NHTSA Interpretation File Search
Overview
NHTSA's Chief Counsel interprets the statutes that the agency administers and the standards and regulations that it issues. Members of the public may submit requests for interpretation, and the Chief Counsel will respond with a letter of interpretation. These interpretation letters look at the particular facts presented in the question and explain the agency’s opinion on how the law applies given those facts. These letters of interpretation are guidance documents. They do not have the force and effect of law and are not meant to bind the public in any way. They are intended only to provide information to the public regarding existing requirements under the law or agency policies.
Understanding NHTSA’s Online Interpretation Files
NHTSA makes its letters of interpretation available to the public on this webpage.
An interpretation letter represents the opinion of the Chief Counsel based on the facts of individual cases at the time the letter was written. While these letters may be helpful in determining how the agency might answer a question that another person has if that question is similar to a previously considered question, do not assume that a prior interpretation will necessarily apply to your situation.
- Your facts may be sufficiently different from those presented in prior interpretations, such that the agency's answer to you might be different from the answer in the prior interpretation letter;
- Your situation may be completely new to the agency and not addressed in an existing interpretation letter;
- The agency's safety standards or regulations may have changed since the prior interpretation letter was written so that the agency's prior interpretation no longer applies; or
- Some combination of the above, or other, factors.
Searching NHTSA’s Online Interpretation Files
Before beginning a search, it’s important to understand how this online search works. Below we provide some examples of searches you can run. In some cases, the search results may include words similar to what you searched because it utilizes a fuzzy search algorithm.
Single word search
Example: car
Result: Any document containing that word.
Multiple word search
Example: car seat requirements
Result: Any document containing any of these words.
Connector word search
Example: car AND seat AND requirements
Result: Any document containing all of these words.
Note: Search operators such as AND or OR must be in all capital letters.
Phrase in double quotes
Example: "headlamp function"
Result: Any document with that phrase.
Conjunctive search
Example: functionally AND minima
Result: Any document with both of those words.
Wildcard
Example: headl*
Result: Any document with a word beginning with those letters (e.g., headlamp, headlight, headlamps).
Example: no*compl*
Result: Any document beginning with the letters “no” followed by the letters “compl” (e.g., noncompliance, non-complying).
Not
Example: headlamp NOT crash
Result: Any document containing the word “headlamp” and not the word “crash.”
Complex searches
You can combine search operators to write more targeted searches.
Note: The database does not currently support phrase searches with wildcards (e.g., “make* inoperative”).
Example: Headl* AND (supplement* OR auxiliary OR impair*)
Result: Any document containing words that are variants of “headlamp” (headlamp, headlights, etc.) and also containing a variant of “supplement” (supplement, supplemental, etc.) or “impair” (impair, impairment, etc.) or the word “auxiliary.”
Search Tool
NHTSA's Interpretation Files Search
| Interpretations | Date |
|---|---|
ID: 10-001391 217OpenMs. Fiona Murphy New Product Development Manager L.M. INNOV8s 4-7 Steeple Industrial Estate Antrim, County Antrim N. Ireland, BT41 1AB Dear Ms. Murphy: This responds to your letter asking about the applicability of Federal Motor Vehicle Safety Standard (FMVSS) No. 217, Bus Emergency Exits and Window Retention and Release, to your product, the Firefly, which you describe as an emergency window breaker device for buses and coaches. By way of background, the National Highway Traffic Safety Administration (NHTSA) is authorized under the National Traffic and Motor Vehicle Safety Act (49 U.S.C. Chapter 301, Safety Act) to issue and enforce safety standards applicable to new motor vehicles and items of motor vehicle equipment manufactured for sale, sold, offered for sale or imported into the United States of America. Unlike the case in many countries, NHTSA does not approve motor vehicles or motor vehicle equipment, nor do we endorse any commercial products. Thus, manufacturers are required to certify that their vehicles and equipment meet all applicable standards. Under the Safety Act, manufacturers also must ensure that their products are free from safety-related defects. Your letter asks whether your emergency window breaker device meets FMVSS No. 217. Information attached to your letter describes the Firefly, as the only product in the world specifically designed to work on double glazing and it also breaks single glazing and as an alternative to emergency hammers. The Firefly can be retrofitted to windows by permanently fixing into position with an industrial strength adhesive. Graphics you provide show the Firefly placed on the upper left hand corner of a window. The Firefly is operated by pulling down on a cover, exposing a red button. Pushing the exposed red button breaks the glass. Your letter does not explain how the glass is broken. With this background, I will now address your questions. I am enclosing a copy of FMVSS No. 217 so that you can better understand our answers. Question One: You ask whether FMVSS No. 217s window retention requirements restrict the types of glass that can be fitted in buses and coaches. FMVSS No. 205, Glazing Materials, specifies requirements for glazing material used in all motor vehicles (including buses). The regulation allows laminated, tempered, multiple glazed and rigid plastic materials to be used in bus passenger side windows. The window retention test requirement of FMVSS No. 217 ensures that the glazing and bonding material used in the exit have minimum retention capabilities. Question Two: Your second question asks whether the emergency exit window must be an open able window, or whether an emergency hammer can be fitted in the vehicle to be used to break the designated emergency exit window on the bus/coach. The exit must be capable of being opened without an emergency hammer. FMVSS No. 217 establishes operating forces, opening dimensions, and markings for bus emergency exits, (including emergency exit windows) to provide a means of readily accessible emergency egress. The standard specifies how many and what type of emergency exits must be provided at a minimum, where the exits must be located, and how they must be configured, opened, and identified to occupants. For buses other than school buses, S5.3.1 states that each emergency exit shall be releasable by operating one or two mechanisms located within certain regions specified in the standard. S5.3.2 requires that each emergency exit shall allow manual release of the exit using certain force applications. S5.3.2 further states Each exit shall have not more than two release mechanisms. In the case of exits with one release mechanism, the mechanism shall require two force applications to release the exit. In the case of exits with two release mechanisms, each mechanism shall require one force application to release the exit. At least one of the force applications for each exit shall differ from the direction of the initial motion to open the exit by not less than 90 degrees and no more than 180 degrees. As you can see from these requirements, FMVSS No. 217 requires emergency exit windows to be releasable by release mechanisms. An emergency hammer is not considered a release mechanism of the exit. Among other concerns, the hammer might not be present when the occupant has to release the emergency exit, and the force needed to hammer open an exit might be excessive for some occupants. With regard to the Firefly, it does not appear that a bus with the Firefly would meet FMVSS No. 217 requirements. Even if we were to consider the Fireflys breaking of the glass as releasing the exit and the red button as the release mechanism, it appears that the number and type of force applications needed to release the emergency exit do not meet the standards requirements. Your website www.fireflysafety.com (Frequently Asked Questions) indicates that a pin must be removed from the red button to trigger the Firefly. FMVSS No. 217 does not permit complex motions to activate a release mechanism, such as those involved in removing a pin. We also note that a companion requirement in FMVSS No. 217 that applies to school buses
(see S5.3.3.2) states: Each release mechanism shall operate without the use of remote controls or tools. We would consider a pin to be a tool, and a release mechanism that is dependent on the removal of the pin would not meet S5.3.3.2. Even if a pin were not part of the design, the mechanism must have two force applications to release the exit. The Firefly does not appear to meet this requirement. In addition, an emergency exit must be operable for the life of a vehicle. Your website indicates that the Firefly breaks the window glazing by way of an armed firing mechanism that has a life of about ten years. Our understanding is that buses in the U.S. can have a service life of 20 years or longer. An emergency exit that was only operable for some portion of the on-the-road life of the vehicle would raise safety concerns. If you have any further questions, please contact Dorothy Nakama at this address or at (202) 366-2992. Sincerely, O. Kevin Vincent Chief Counsel Enclosure Dated: 7/19/2010 |
2010 |
ID: 10785Open Mr. Terry M. Habshey Dear Mr. Habshey: This responds to your March 6, 1995 letter to Philip Recht, our former Chief Counsel, and your telephone conversations with Walter Myers of my staff in which you requested a "new D.O.T. number." As discussed below, we are unable to provide you a tire manufacturer's identification mark since the operations you perform on tires are not sufficient to make you the manufacturer of the tires. You explained that your company is a global exporter of tires, particularly to third world countries, but that you intend to distribute tires domestically in the future. You stated that you obtain new tires from different manufacturers consisting of original equipment overruns, blems, etc., and that by a new process you intend to remove "most" of the information from the tire sidewalls. The new process includes removing a thin layer of rubber from the tire sidewall, then vulcanizing a layer of new rubber onto the sidewall. The new layer will contain a new "registered" trade name, logo, and "identifying marks along with the size, safety information, mounting instructions, maximum and minimum inflating instructions, etc." You emphasized that all tires will be new and meet "all minimum standards established by the Department of Transportation." Before addressing your request, let me first provide some background information. Chapter 301 of Title 49, U.S. Code (hereinafter Safety Act), authorizes the National Highway Traffic Safety Administration (NHTSA) to issue Federal motor vehicle safety standards (FMVSS) applicable to new motor vehicles and new items of motor vehicle equipment sold in or imported into the United States. Tires are considered motor vehicle equipment. The Safety Act establishes a self-certification system in which manufacturers certify that their products comply with all applicable FMVSSs effective on the date of manufacture. In the case of tires, manufacturers reflect that certification by molding the letters "DOT" into or onto the sidewalls of all their tires manufactured for sale in the United States. The FMVSSs are not applicable to tires intended solely for export, labeled for export on the tires and on the outside of the container, and exported. See 49 U.S.C. '30112(b)(3); 49 Code of Federal Regulations (CFR) 571.7(d)). Accordingly, you are free to export any tires you want, whether or not they comply with the FMVSSs and after whatever modifications you make to them. That is not the case, however, with tires distributed for sale in the United States. FMVSS No. 109, New pneumatic tires and FMVSS No. 110, Tire selection and rims, specify performance standards and labeling requirements for new passenger car tires and rims. FMVSS No. 119, New pneumatic tires for vehicles other than passenger cars and FMVSS No. 120, Tire selection and rims for motor vehicles other than passenger cars, specify performance standards and labeling requirements applicable to tires and rims for vehicles other than passenger cars. 49 CFR Part 574, Tire identification and recordkeeping, requires new tire manufacturers to permanently mold into or onto one tire sidewall a tire identification number (TIN) and specifies methods by which new tire manufacturers and new tire brand name owners shall maintain records of tire purchasers. 49 CFR Part 575.104, Uniform tire quality grading standards (UTQGS), requires new motor vehicle and new tire manufacturers and brand name owners to provide information to consumers concerning the relative performance of passenger car tires in the areas of treadwear, traction, and temperature resistance. The UTQGS grades are also required to be molded into or onto the tire sidewall. The labeling requirements specified in the regulations referred to above apply to the actual tire manufacturers and/or brand name owners, and the required information, including the DOT symbol and the TIN, must appear on all new tires before they can be sold to their first retail purchasers. A tire distributor or dealer cannot legally remove any of the required information from new tire sidewalls. The required information on new tires is intended for safety purposes, purchaser information, and to enable this agency to identify the manufacturer in the event of a noncompliance or defect in a tire line or lot. A "manufacturer" is defined in 49 U.S.C. '30102(a)(5) as one who manufactures or assembles motor vehicles or equipment or one who imports motor vehicles or equipment for resale. The operations you describe would not be sufficient to make you the manufacturer of the tires in question. According to your letter, you would, for marketing reasons, remove a thin layer of the surface area of the sidewalls of the tires so that most of the existing information is removed. You would then apply a new thin layer of rubber containing new information. Your operations would thus not be changing the basic tire as such but simply changing the labeling. A change in labeling would not change who manufactured the tire. Thus, since you would not be a manufacturer of tires, you may not obtain a manufacturer's identification mark in accordance with 49 CFR '574.6. Only tire manufacturers or retreaders may obtain that mark. 49 U.S.C. '30122(b) prohibits manufacturers, distributors, dealers, and/or motor vehicle repair businesses from knowingly making inoperative any part of a device or element of design installed on or in a motor vehicle or item of equipment in compliance with applicable FMVSSs unless that individual reasonably believes that the vehicle or equipment will not be used when the device or element is inoperative. Thus, removal of the labeling information required to be marked on tire sidewalls in accordance with the standards and regulations discussed above could be a violation of '30122(b), which could subject the violator to civil penalties of up to $1000 per violation, or up to $800,000 for a series of related violations. In summary, the Safety Act does not apply to tires intended solely for export. Thus, those tires are not required to comply with any FMVSSs. However, all new or retreaded tires sold or imported into the United States for sale must comply with all applicable FMVSSs and regulations as discussed above. Distributors and dealers may not remove any of the labeling information required to be marked on new tires by the actual manufacturers and/or brand name owners of those tires. Removal of that information could make inoperative an element of design on those tires, which could constitute a violation of 49 U.S.C. '30122(b). I hope this information is helpful to you. Should you need additional information or have further questions, please feel free to contact Mr. Myers at this address or at (202) 366-2992. Sincerely,
John Womack Acting Chief Counsel Ref:109#110#119#120#574#575 d:5/24/95
|
1995 |
ID: 06-003601asOpenMr. Dennis G. Moore President Sierra Products Inc. 1113 Greenville Road Livermore, CA 94550 Dear Mr. Moore: This responds to your letter requesting interpretation of Federal Motor Vehicle Safety Standard (FMVSS) No. 108, Lamps, Reflective Devices, and Associated Equipment. Specifically, you asked several questions relating to the standards requirements for effective projected luminous lens area, including the permissibility of using light-emitting diodes (LEDs) to meet those requirements. Our responses to those questions are set forth below. We note that your letter also raised concerns regarding the agencys enforcement of these requirements of Standard No. 108. We are referring the enforcement-related aspects of your letter to our Office of Vehicle Safety Compliance, which will respond to those questions in a separate letter. By way of background, the National Highway Traffic Safety Administration is authorized to issue FMVSSs that set performance requirements for new motor vehicles and items of motor vehicle equipment (see 49 U.S.C. Chapter 301). This agency does not provide approvals of motor vehicles or motor vehicle equipment, nor do we endorse any commercial products. Instead, manufacturers are required to certify that their vehicles and equipment meet applicable standards. Also, it is unlawful for dealers to sell motor vehicles or motor vehicle equipment that do not meet applicable standards. Your first question seeks clarification of the legal definition of Effective Projected Luminous Lens Area or Effective Light Emitting Surface including whether there have been any recent amendments or interpretations to that aspect of the standard. Both terms are defined in 49 CFR 571.108 S4. Effective light-emitting surface means that portion of a lamp that directs light to the photometric test pattern, and does not include transparent lenses, mounting hole bosses, reflex reflector area, beads or rims that may glow or produce small areas of increased intensity as a result of uncontrolled light from an area of degree radius around a test point. Effective projected luminous lens area (EPLLA) means the area of the orthogonal projection or the effective light-emitting surface of a lamp on a plane perpendicular to a defined direction relative to the axis of reference. Unless otherwise specified, the direction is coincident with the axis of reference. These definitions were most recently updated in a final rule published in the Federal Register (69 FR 48805) on August 11, 2004. That rule amended the standard for turn signal lamps, stop lamps, taillamps, and parking lamps to increase compatibility with the requirements of the Economic Commission for Europe (ECE) and to improve the visibility of these lamps. In that rulemaking, the definition for effective light-emitting surface was added to the standard, and the definition of effective projected luminous lens area was modified to its current state (69 FR 48814). In your letter, you also asked if the EPLLA requirements for stop or turn signal lamps are 7 inches (50 cm/sq) for vehicles less than 80 inches wide and 11 5/8 inches (75 cm/sq) for vehicles over 80 inches wide. The answer to this question is that these are the minimum requirements. In relevant part, S5.1.1.26 of the standard provides: On a motor vehicle whose overall width is less than 80 inches: (a) The effective projected luminous lens area of a single compartment stop lamp, and a single compartment rear turn signal lamp, shall be not less than 50 square centimeters (7 square inches). (b) If a multiple compartment lamp or multiple lamps are used to meet the photometric requirements for stop lamps and rear turn signal lamps, the effective projected luminous lens are of each compartment or lamp shall be at least 22 square centimeters, provided the combined area is at least 50 square centimeters (7 square inches). With regard to vehicles over 80 inches wide, S5.1.1 of FMVSS No. 108 refers to Table I of the standard (Required Motor Vehicle Lighting Equipment Other Than Headlamps), which in turn refers to SAE J1395 (rev. April 1985) (Turn Signal Lamps for Use on Motor Vehicles 2032 mm or More in Overall Width). Paragraph S5.3.2 of SAE J1395 states that the functional lighted lens area of a single lamp shall be at least 75 cm sq. You also asked whether there are EPLLA requirements for taillamps, side marker lamps, clearance lamps, and identification lamps. Specifically, you asked whether a manufacturer could use one or two Red Dots of LED light to fulfill FMVSS #108 requirements. The answer is that there is no minimum EPLLA for these lamps. We note, however, that under S5.3 of the standard, these lamps must meet the visibility requirements specified in paragraph S5.3.2, which includes meeting the area requirements listed in Figure 19 or the candela requirements listed in Figure 20. Alternatively, paragraph S5.3.2.4 permits lamps to be located such that they meet the visibility requirements specified in any applicable SAE Standard. The applicable SAE Standards are listed in FMVSS No. 108 in Tables I and III. These tables incorporate by reference SAE J585e (rev. Sept. 1972) with regard to tail lamps, and SAE J592e (rev. July 1977) with regard to side marker, clearance, and identification lamps. Paragraph S3.6 of SAE J585e (rev. Sept. 1977) specifies the photometric requirements for tail lamps, and paragraph S3.4 of SAE J592e (rev. July 1977) specifies the photometric requirements for the other lights. If the photometric requirements of the respective SAE standards incorporated by reference are met by one or more LEDs, then such a lamp would meet the relevant requirements of FMVSS No. 108. If you have any additional questions, please feel free to contact Ari Scott of my staff at (202) 366-2992. Sincerely, Anthony M. Cooke Chief Counsel ref:108 d.11/15/06 |
2006 |
ID: 1984-3.16OpenTYPE: INTERPRETATION-NHTSA DATE: 08/28/84 FROM: AUTHOR UNAVAILABLE; Frank Berndt; NHSTA TO: Utilimaster Corporation TITLE: FMVSS INTERPRETATION TEXT: This responds to your June 29, 1984, letter to the National Highway Traffic Safety Administration concerning Federal Motor Vehicle Safety Standard (FMVSS) No. 207, Seating Systems, FMVSS No. 210, Seat Belt Assembly Anchorages, and FMVSS No. 108, Lamps, Reflective Devices, and Associated Equipment. According to your letter, your company manufactures parcel delivery vans, step vans, and cargo trailers. One of your customers requested the installation of side-facing seats in the cargo area of the vehicle, and you asked whether FMVSS No. 207 and FMVSS No. 210 apply to these seats. As explained below, Standard No. 207 specifies no requirements for side-facing seats unless they have a hinged or folding back. Standard No. 210 does apply to these seats. Standard No. 207 specifies performance requirements for seats, their attachment assemblies, and their installation, to minimize the possibility of seat failure resulting from crash forces. This standard is applicable to seats installed in vehicles including vans, but section 4.2 of Standard No. 207 excludes side-facing seats from the general seat strength requirements of the standard. However, there are other requirements in the standard which may apply to side-facing seats. For example, paragraph S4.3 requires a restraining device if the seat has a hinged or folding seat or seat back. You asked whether side-facing seats in the cargo area are required to meet Standard No. 210. Standard No. 210 exempts side-facing seats from its strength requirements specified in S4.2, but all other requirements of the standard apply to side-facing seats. We strongly recommend that belt anchorages for side-facing seats be of at least equivalent strength to anchorages for forward and rearward facing seats, since the strength specifications are only minimum performance requirements. You asked what kind of testing is required for side-facing seats to determine compliance with FMVSS No. 207 and FMVSS No. 210. As discussed above, side-facing seats are excluded from the performance requirements of Standard No. 207. Regarding the testing of the seats to FMVSS No. 210, a manufacturer is permitted to use whatever test procedures or method of evaluation he chooses to assure its vehicles are in compliance with this and all Federal motor vehicle safety standards. The legal requirement under the National Traffic and Motor Vehicle Safety Act (15 U.S.C. 1391, et seq.) is that the manufacturer exercise due care to determine that his vehicles will be in compliance with all applicable standards when tested by the agency in accordance with the test procedures specified in those standards. Whether a manufacturer has in fact exercised due care cannot be determined by the agency in advance of the actual events leading to the certification of compliance. Your last question concerned FMVSS No. 108, Lamps, Reflective Devices, and Associated Equipment. You stated that Virginia requires additional side marker lights than that required by Standard No. 108, and requested the agency to advise you on whether a state can specify more requirements than the standard. We assume that Virginia's requirement is a general one which applies to vehicles other than those procured for the state's own use. Section 103(d) of the National Traffic and Motor Vehicle Safety Act of 1966 (15 U.S.C. 1392(d)) states that: Whenever a Federal motor vehicle safety standard established under this title is in effect, no State or political subdivision of a State shall have any authority either to establish, or to continue in effect, with respect to any motor vehicle or item of motor vehicle equipment any safety standard applicable to the same aspect of performance of such vehicle or item of equipment which is not identical to the Federal standard. . . Nothing in the section shall be construed to prevent the Federal Government or the government of any State or political subdivision thereof from establishing a safety requirement applicable to motor vehicles or motor vehicle equipment procured for its own use if such requirement imposes a higher standard of performance than that required to comply with the otherwise applicable Federal standard. Pursuant to 15 U.S.C. 1392(d), Federal Motor Vehicle Safety Standard No. 108, Lamps, Reflective Devices, and Associated Equipment, had been established, effective January 1, 1972, as the Federal standard for lighting devices both as original and replacement equipment on motor vehicles. You indicated in the attachment to your letter that the vehicles for which Virginia is requiring the additional side marker lamps are less than 30 feet in overall length. Section S4.1.1.3 of Standard No. 108 specifies that "Intermediate side marker devices are not required on vehicles less than 30 feet in overall length." Since the State standard prescribes mounting of side marking lights other than that required by the Federal standard, the State standard is preempted by the National Traffic and Motor Vehicle Safety Act. Your final question asked whether there are any States other than Virginia that have different requirements than FMVSS No. 108. In general, under Section 103(d) of the Safety Act States are prohibited from imposing safety standards applicable to the same aspect of performance governed by FMVSS No. 108. The limited exception in @103(d) allows States to promulgate requirements applicable to motor vehicles or motor vehicle equipment procured for the State's own use which impose a higher standard of performance than the Federal standard. States may also regulate aspects of performance of motor vehicles or motor vehicle equipment which are not governed by a Federal Motor Vehicle Safety Standard. For example, there is no preemption of a State's right to specify requirements for lighting equipment, such as foglamps, not currently included in Standard No. 108. UTILIMASTER June 29, 1984 Frank Berndt National Highway Traffic Safety Administration Dear Mr. Berndt: Utilimaster is a commercial truck manufacturer of parcel delivery vans, step vans, and cargo trailers and we have some questions for you. We have an application where the customer would like to have side-facing seats in the cargo area. Do we need to meet FMVSS 207 or 210 and what kind of testing of these seats is required? Also, we have a question on FMVSS 108. I had a call from a Virginia dealer stating they require additional side marker lights. Can a State require more lighting and does any other State have different standards than FMVSS 108? Dan Pugh Product Engineer (Graphics omitted) |
|
ID: 7743Open Under Secretary Dear Mr. Under Secretary: This responds to your letter concerning United States tire regulations. You stated that some companies have been reported to be dumping defective and rejected tires in your country. In response to that situation, the Ministry of Commerce and Industry issued a decree requiring that all imported tires must be new, must comply with international standards, and must be accompanied by a quality certificate issued by an independent, officially recognized authority which has the capability of testing and proving the quality of the tires in accordance with the standards. You stated that you have been unable to obtain such a certificate from the United States, but have received one from a company called Societe Generale de Surveillance, which issues a certificate for each shipment separately and does only visual tests and not laboratory testing. You stated that you have studied this agency's tire standards and posed a series of questions to us which I will endeavor to answer below. By way of background information, under the National Traffic and Motor Vehicle Safety Act of 1966, ("Safety Act," 15 U.S.C. 1381 et seq.), the National Highway Traffic Safety Administration (NHTSA) is authorized to issue Federal motor vehicle safety standards for new motor vehicles and new motor vehicle equipment. Tires are considered motor vehicle equipment. All motor vehicles and items of motor vehicle equipment manufactured or imported for sale in the United States must comply with all applicable safety standards. Manufacturers of motor vehicles and motor vehicle equipment must certify that their products meet all applicable safety standards. All new tires sold in the United States for use on passenger cars must be certified as complying with Standard No. 109 (49 CFR Part 571.109), and all new tires sold for use on other motor vehicles must be certified as complying with Standard No. 119 (49 CFR Part 571.119). These standards specify performance requirements (strength, endurance, high speed performance, and for passenger car tires only, resistance to bead unseating), marking requirements (treadwear indicators and labeling information), and tire and rim matching information requirements. The process of certifying compliance with the applicable safety standards under the Safety Act is considerably different in the United States than in other countries. For example, the European nations require manufacturers to deliver tires to a governmental entity for testing. After the governmental entity tests the tires, the government approves those tires for use and assigns an approval code to the tires. The Safety Act, on the other hand, establishes a "self-certification" process for tires sold in the United States. Under this process, the tire manufacturer, not a governmental entity, certifies that its tires comply with applicable safety standards. The Safety Act does not require that a manufacturer base its certification on a specified number of tests. A manufacturer is only required to exercise due care in certifying its tires. It is the responsibility of the individual tire manufacturer to determine initially what test results, computer simulations, engineering analyses, or other information it needs to enable it to certify that its tires comply with Federal tire safety standards. Once a manufacturer has determined that its tires meet all requirements of the safety standards, it certifies such compliance by molding the letters "DOT" onto at least one sidewall of each certified tire. This agency does not perform any pre-sale testing or approval of tires. Rather, NHTSA randomly tests certified tires to determine whether the tires do, in fact, comply with applicable standards. For these enforcement checks, NHTSA purchases tires "off the shelf" from retail tire dealers and tests those tires according to the procedures specified in the standards. If the tires pass the tests, no further action is taken. If the tires fail the tests and are determined not to comply with the standards, the tire manufacturer is required to remedy the noncompliance without charge. With the above background in mind, I now turn to your specific questions: 1. Must all tires manufactured and sold in the United States bear the "DOT" mark? Answer: Yes, assuming that the tires are intended for use on motor vehicles. The "DOT" symbol molded onto at least one side of the tire is the manufacturer's certification that that tire complies with all applicable safety standards. 2. What are the bases for granting the right to use the "DOT" mark by tire manufacturers? Answer: The use of the "DOT" symbol on tires is a requirement imposed on tire manufacturers and not a right which is granted. 3. Is the "DOT" symbol required for tires intended both for domestic consumption and for export? Answer: NHTSA's safety standards do not apply to motor vehicles or motor vehicle equipment which are intended solely for export. Therefore, the "DOT" symbol is required only for tires intended for use in the United States. 4. Is there a validity time for the use of the "DOT" symbol? Answer: No. The symbol constitutes the manufacturer's certification that, at the time a new tire is manufactured, that tire complies with all applicable Federal safety standards. 5. What is the relationship between your administration and the Department of Transportation concerning the implementation of the "DOT" symbol? Answer: NHTSA is a subordinate agency of the United States Department of Transportation. 6. What are the legal responsibilities of manufacturers by using the "DOT" symbol? Answer: As indicated above, by placing the "DOT" symbol on a tire the manufacturer certifies that, under the provisions of the Safety Act, the tire complies with all applicable Federal safety standards. 7. What are the responsibilities of manufacturers in case of violations of the "DOT" symbol's role? Answer: If a tire is determined not to comply with a safety standard, the manufacturer is required to remedy the noncompliance without charge. In addition, violations of Safety Act provisions may result in civil fines. I hope that the information in this letter is helpful to you. Should you have any further questions, however, please feel free to contact Mr. Walter Myers of my staff at this address or by telephone at (202) 366-2992, FAX (202) 366- 3820. Sincerely,
Paul Jackson Rice Chief Counsel Enclosure Ref:#109#119#571#574 d:11/13/92 |
1992 |
ID: 1983-3.9OpenTYPE: INTERPRETATION-NHTSA DATE: 09/26/83 FROM: AUTHOR UNAVAILABLE; Frank Berndt; NHTSA TO: Flyer Industries Limited -- Moni Marcus, Chief Engineer TITLE: FMVSS INTERPRETATION ATTACHMT: 4/5/83 letter from Frank Berndt to Flyer Industries Limited TEXT:
Moni Marcus, P.Eng. Chief Engineer Flyer Industries Limited 64 Hoka Street Box 245 Transcona P.O. Winnipeg, Manitoba Canada R2C 3T4
Dear Mr. Marcus:
This responds to your letter to Mr. Kratzke of my staff, asking for a clarification of the requirements of Standard No. 217, Bus Window Retention and Release (49 CFR S 571.217). You stated that your company's transit bus models use eight large windows as emergency exits to satisfy the emergency exit requirements of Standard No. 217, and that the entrance and exit doors are not classified as emergency doors. Accordingly, you stated that the entrance and exit doors do not "have to be tested for Standard No. 217 requirements." This is not wholly correct.
Standard No. 217 sets forth two basic requirements. These are (1) window retention requirements, which must be met by all windows in a new bus, except for the windshield, and (2) requirements applicable to emergency exits. As I pointed out in a letter to Mr. Moss, of your staff, the window retention requirements apply to all front door glazing which exceeds 8 inches in diameter, and this agency does test such glazing for compliance with the standard. Hence, while you may be correct in asserting that a door not designated as an emergency door would not be tested for compliance with the emergency exit requirements, you are incorrect if you are asserting that the glazing on such a door would not be tested for compliance with the window retention requirements.
Your letter went on to state that, although your entrance and exit doors are not classified as emergency exits, most local transit authorities have requested you to add a decal instructing people how to open the doors in case of an emergency. You then stated your opinion that the addition of these decals would not change the status of the doors to emergency exits, so the doors would not be required to meet the Standard No. 217 push force requirements applicable to emergency doors. This conclusion is incorrect. Standard No. 217 specifies minimum criteria for emergency exits which must be met by all new buses, and your letter states that your transit bus models do not need to count the entrance and exit doors on the buses to satisfy these criteria. Thus, absent other factors, those doors would not be required to comply with the portions of the standard applicable to emergency doors. However, affixing a decal, such as the one enclosed with your letter, in the area of those doors is labeling the door as an emergency exit. It is reasonable for riders of the bus to assume that a door which is labeled by the manufacturer with instructions in case of an emergency and which is intended by the local transit authority to be used as an exit in case of an emergency is in fact a door which can be used as an emergency exit. Given the likelihood of the use of the door as an emergency exit when it is so labeled, it is important that the door comply with the requirements applicable to emergency doors in Standard No. 217, and this agency has uniformly required this of all doors labeled with instructions for use in case of an emergency. For your information, I have enclosed a copy of a letter reaching this same conclusion which was sent to another manufacturer. Contrary to the understanding expressed in your letter, this agency has never sent a letter to a manufacturer stating that doors labeled with emergency instructions were not subject to the requirements of Standard No. 217 applicable to emergency doors.
Should you need any further information or have further questions on this subject, please contact Mr. Kratzke at this address or at (202) 426-2992.
Sincerely,
Frank Berndt Chief Counsel
Enclosure
August 12, 1983
Dear Mr. Krazke:
Re: Clarification of FMVSS - 217
As per our discussion on the phone, Flyer's transit bus models 900, 901 and 902 are equipped with 8 large windows and 3 fixed ones. The eight large windows are classified as emergency exits and they satisfy the FMVSS - 217 requirement of:
51 seats x 67 = 3,417 square inches (minimum) Therefore, the entrance and exit doors are not classified as emergency exits and do not have to be tested for FMVSS - 217 requirements.
Both emergency exit windows and fixed windows were tested in 1980, and approved by your department - see Report No. 217-OYS (copy attached).
The question remaining is that most transit authorities have been requesting that bus manufacturers add a decal instructing people how to open the doors in case of an emergency. (Copy of decal drawings attached). In our view, the decals do not change the status of the doors to an emergency door status and, therefore, they are still not required to meet FMVSS - 217 push forces.
My understanding is that this interpretation has been given to other bus manufacturers before and we at Flyer would like to have a similar clarification from your office to straighten the records out specifically in regard to the letter marked NOA-30 and sent to Mr. Bill Moss, Flyer's test engineer by Mr. Frank Berndt (copy attached).
Your assistance on the phone was greatly appreciated and I hope to hear from you soon.
Yours truly,
Moni Marcus, P.Eng. Chief Engineer FLYER INDUSTRIES LIMITED
Enclosure (4//5/83 letter from Frank Berndt to Flyer Industries Limited Omitted here.) |
|
ID: nht90-1.80OpenTYPE: INTERPRETATION-NHTSA DATE: 03/20/90 FROM: STEPHEN P. WOOD -- ACTING COUNSEL, NHTSA TO: R.M. COOPER -- V.P, ENGINEERING, GILL G CORPORATION TITLE: NONE TEXT: This response to your letter asking this agency to consider a problem your company faces with respect to Standard 217, Bus Window Retention and Release (49 CFR @ 571.217). More specifically, you asked how some of your buses could be certified as complyi ng with the emergency exit labeling requirements set forth in Standard 217 for buses other than school buses. I apologize for the delay in this response. Paragraph S5.5.1 of Standard 217 provides that, in buses other than school buses, each push-out window or other emergency exit shall have the designation "Emergency Exit" followed by concise operating instructions, describing each motion necessary to unl atch and open the exit, located within 6 inches of the release mechanism. The purpose of this requirement is to identify for bus occupants the location and explain the use of specially-installed emergency exits. As I understand your letter, you have no difficulties providing appropriate instructions in the specified location. Paragraph S5.5.1 continues with the following language: When a release mechanism is not located within an occupant space of an adjacent seat, a label . . . that indicates the location of the nearest release mechanism shall be placed within the occupant space. The terms "adjacent seat" and "occupant space" are defined in S4 of Standard 217 as follows: "Adjacent seat" means a designated seating position located so that some portion of its occupant space is not more than 10 inches from an emergency exit, for a distance of at least 15 inches measured horizontally and parallel to the exit. "Occupant space" means the space directly above the seat and footwell, bounded vertically by the ceiling and horizontally by the normally positioned seat back and the nearest obstruction of occupant motion in the direction the seat faces. You stated that many of your buses have seats that face the aisle and that back up against windows designated as emergency exits. These aisle-facing seats are "adjacent seats" with respect to the emergency exits. The release mechanism for the emergency exit is not within the "occupant space" for these aisle-facing seats, since the release mechanisms are behind, not above, these seats. You enclosed a group of photographs to further illustrate this situation. Since the release mechanism for the emergency exit is not within the occupant space of these adjacent aisle-facing seats, paragraph S5.5.1 of Standard 217 requires a label indicating the location of the release mechanism for the emergency exit to be plac ed within the occupant space for these seats. You have noted that the occupant space for these seats does not include any place to which this label could be attached. The nearest obstruction of occupant motion in the direction the aisle-facing seats fa ce is the aisle facing seat on the opposite side of the bus. There are no intervening objects other than narrow vertical stanchions in the center of the aisle. Additionally, you suggested that placing the label on the floor or ceiling of the bus would not serve the purposes of this requirement, since those locations would not be readily visible to the seated occupant in an emergency situation. In response to your letter, we have carefully considered the labeling requirements of S5.5.1 as they apply to aisle-facing seats in front of windows that serve as emergency exits. The final rule adopting this additional labeling requirement explained th at NHTSA was concerned that an occupant of an adjacent seat might hinder egress through an emergency exit if the occupant did not know how to use the emergency exit. See 37 FR 9394, at 9395; May 10, 1972. In instances in which the release mechanism its elf is not within the occupant space of an adjacent seat, a label within the occupant space directing the occupant of the seat to the emergency exit instructions will help reduce the likelihood that the occupants would inadvertently obstruct egress throu gh the emergency exits. NHTSA's goal of minimizing the likelihood of inadvertent obstruction of emergency exits is equally applicable to forward-facing and aisle-facing seats. However, the means of achieving that goal (i.e., placing a label within the occupant space of an adjac ent seat, if the release mechanism is not within that occupant space) may not be equally successful for forward-facing and aisle-facing seats. The agency did not focus upon aisle-facing seats when it adopted this labeling requirement. With respect to f orward-facing seats, it is relatively simple to locate a label within the occupant space that will be readily visible both to seated occupants and to persons standing in the aisle, as required by S5.5.2. However, with respect to aisle-facing seats, ther e may not be any location within the occupant space of such seats where a label could be placed so that the label would be visible to occupants of the seat and to persons standing in the aisle. If the labels were not visible in an emergency, such labels would not further NHTSA's goal of minimizing inadvertent obstruction of emergency exits.
Accordingly, we plan to issue a notice proposing to amend and clarify the requirements of S5.5.1 of Standard 217 as they apply to aisle-facing seats. Please note that, unless and until a final rule amending S5.5.1 of Standard 217 becomes effective, the c urrent requirements of S5.5.1 remain in effect for aisle-facing seats. However, the agency believes that it would be inappropriate at this time to enforce the requirement in S5.5.1 that additional information be labeled within the occupant space of aisl e-facing seats given the uncertainty that such labels will serve the purpose for which the labeling requirements were established, as noted above. Accordingly, until the agency makes a final decision on the proposed rulemaking mentioned above, NHTSA wil l not take any enforcement actions against bus manufacturers that do not place a label indicating the location of the nearest emergency exit release mechanism within the occupant space of adjacent aisle-facing seats. |
|
ID: nht92-4.18OpenDATE: September 4, 1992 FROM: Paul Jackson Rice -- Chief Counsel, NHTSA TO: Kevin B. Brown -- EG&G Idaho, Inc. TITLE: None ATTACHMT: Attached to letter dated 5/6/92 from Kevin B. Brown to NHTSA (OCC-7323) TEXT: This responds to your letter concerning 49 CFR 567 requirements for intermediate or final stage manufacture vehicle labeling. I apologize for the delay in responding. You stated in your letter that EG&G Idaho, as prime contractor for the Department of Energy, Idaho Field Office, procures and maintains all government-owned vehicles, and occasionally procures truck chassis purchased through the General Services Administration for subsequent mounting of service bodies. I am pleased to have this opportunity to explain our regulations to you. Before addressing the specific issues raised in the letter, some background information may be helpful. The National Traffic and Motor Vehicle Safety Act of 1966, as amended, 15 U.S.C., S1381-1431 (hereinafter "Safety Act") authorizes this agency to establish Federal motor vehicle safety standards for new motor vehicles and items of motor vehicle equipment. NHTSA, however, does not approve motor vehicles or motor vehicle equipment. Rather, the Safety Act establishes a self-certification process which requires each manufacturer, in the exercise of due care, to ensure and certify that its products meet all applicable Federal safety standards. Thereafter, NHTSA periodically tests vehicles and equipment for compliance with the standards and investigates allegations of safety-related defects. In addition, the Safety Act only requires new vehicles to comply with applicable safety standards. The only provision of the Safety Act that would apply after the first purchase of a vehicle is 15 U.S.C. S1397(a)(2)(A), which states in relevant part that: No manufacturer, distributor, dealer, or motor vehicle repair business shall knowingly render inoperative, in whole or in part, any device or element of design installed on or in a motor vehicle ... in compliance with an applicable Federal motor vehicle safety standard. The first question to be answered is whether EG&G Idaho is a manufacturer. Under 49 CFR 568.3, a final-stage manufacturer is "a person who performs such manufacturing operations on an incomplete vehicle that it becomes a completed vehicle." An incomplete vehicle is "an assemblage consisting, as a minimum, of frame and chassis structure..." that requires "further manufacturing operations, other than the addition of readily attachable components... ." Readily attachable components include items such as mirrors or tire and rim assemblies. Service bodies are not "readily attachable components." Therefore, in installing service bodies on new chassis, EG&G is acting as a final-stage manufacturer under federal regulations. 49 CFR 586.6 establishes certain requirements for final-stage manufacturers, including: (a) Each final-stage manufacturer shall complete the vehicle in such a manner that it conforms to the standards in effect on the date of the manufacture of the incomplete vehicle, the date of final completion, or a date between those two dates. ... (b) Each final-stage manufacturer shall affix a label to the completed vehicle in accordance with S567.5 of this chapter. EG&G must attach the proper label to the completed vehicle as set out in 49 CFR 567.5(c), a copy of which is enclosed for your convenience. According to your letter, EG&G mounts bodies in accordance with the original (i.e., incomplete) manufacturer's instructions or recommendations. In that case, EG&G's certification that the completed vehicle conforms to all applicable safety standards can state simply that the vehicle has been completed in accordance with the prior manufacturer's instructions, per S567.5(c)(7). When EG&G mounts a new body on a new chassis, the resulting vehicle is subject to the Safety Act and the certification requirements of 49 CFR 567 and 568. However, according to your letter, you also mount bodies on "existing used" chassis. 49 CFR 571.7(e) deals with combining new and used components: When a new cab is used in the assembly of a truck, the truck will be considered newly manufactured for purposes of paragraph (a) of this section (stating that safety standards apply to all relevant motor vehicles), the application of the requirements of this chapter, and the (Safety) Act, unless the engine, transmission, and drive axle(s) (as a minimum) of the assembled vehicle are not new, and at least two of these components were taken from the same vehicle. This means that the vehicle resulting from placing a new body upon a used chassis is a used vehicle. If, in addition to adding a new body, the operation also modifies the chassis by adding new components, such as new engine, transmission, suspension, etc., it is more likely that the resulting vehicle would be considered a new vehicle. If your vehicles produced with "existing used chassis" will incorporate the engine, transmission, and drive axle from the existing used chassis, the completed vehicles would be "used" and would not require vehicle certification. Some of our standards, however, apply to individual items of motor vehicle equipment (e.g., brake hoses and fluids, lighting equipment, tires, seatbelt assemblies, glazing). If your converted vehicles incorporate new items of these types of equipment, the items must comply with the applicable Federal safety standards. For example, lights are subject to requirements specified in Standard No. 108, and glazing is subject to requirements specified in Standard No. 205. Finally, you ask whether "EG&G Idaho need(s) to be certificated... ." There is no procedure to certify any manufacturer. It is the manufacturer that must certify that its vehicles meet the applicable federal safety standards. However, you should submit the manufacturer's information required by 49 CFR 566 to NHTSA. This information includes the name and address of the manufacturer (in this case, EG&G), a description of the type of vehicle manufactured, the use for which it is intended, and the fact that EG&G is a final stage manufacturer. I have enclosed a copy of Part 566 for your information. For your information, I have also enclosed a general information sheet for new manufacturers that gives a succinct outline of the relevant NHTSA regulations and explains how to get copies of those regulations. I hope this information is helpful. If you have any further questions or need some additional information on this subject, feel free to contact David Elias of my staff at this address or by telephone at (202) 366-2992. |
|
ID: nht95-2.94OpenTYPE: INTERPRETATION-NHTSA DATE: May 24, 1995 FROM: John Womack -- Acting Chief Counsel, NHTSA TO: Terry M. Habshey -- Oxytire Incorporated TITLE: NONE ATTACHMT: ATTACHED TO 3/6/95 LETTER FROM TERRY M. HABSHEY TO PHILIP RECHT (OCC 10785) TEXT: Dear Mr. Habshey: This responds to your March 6, 1995 letter to Philip Recht, our former Chief Counsel, and your telephone conversations with Walter Myers of my staff in which you requested a "new D.O.T. number." As discussed below, we are unable to provide you a tire man ufacturer's identification mark since the operations you perform on tires are not sufficient to make you the manufacturer of the tires. You explained that your company is a global exporter of tires, particularly to third world countries, but that you intend to distribute tires domestically in the future. You stated that you obtain new tires from different manufacturers consisting of ori ginal equipment overruns, blems, etc., and that by a new process you intend to remove "most" of the information from the tire sidewalls. The new process includes removing a thin layer of rubber from the tire sidewall, then vulcanizing a layer of new rubb er onto the sidewall. The new layer will contain a new "registered" trade name, logo, and "identifying marks along with the size, safety information, mounting instructions, maximum and minimum inflating instructions, etc." You emphasized that all tires will be new and meet "all minimum standards established by the Department of Transportation." Before addressing your request, let me first provide some background information. Chapter 301 of Title 49, U.S. Code (hereinafter Safety Act), authorizes the National Highway Traffic Safety Administration (NHTSA) to issue Federal motor vehicle safety st andards (FMVSS) applicable to new motor vehicles and new items of motor vehicle equipment sold in or imported into the United States. Tires are considered motor vehicle equipment. The Safety Act establishes a self-certification system in which manufact urers certify that their products comply with all applicable FMVSSs effective on the date of manufacture. In the case of tires, manufacturers reflect that certification by molding the letters "DOT" into or onto the sidewalls of all their tires manufactu red for sale in the United States. The FMVSSs are not applicable to tires intended solely for export, labeled for export on the tires and on the outside of the container, and exported. See 49 U.S.C. @ 30112(b)(3); 49 Code of Federal Regulations (CFR) 571.7(d)). Accordingly, you are free to export any tires you want, whether or not they comply with the FMVSSs and after whatever modifications you make to them. That is not the case, however, with tires distributed for sale in the United States. FMVSS No. 109, New pneumatic tires and FMVSS No. 110, Tire selection and rims, specify performance standards and labeling requirements for new passenger car tires and r ims. FMVSS No. 119, New pneumatic tires for vehicles other than passenger cars and FMVSS No. 120, Tire selection and rims for motor vehicles other than passenger cars, specify performance standards and labeling requirements applicable to tires and rims for vehicles other than passenger cars. 49 CFR Part 574, Tire identification and recordkeeping, requires new tire manufacturers to permanently mold into or onto one tire sidewall a tire identification number (TIN) and specifies methods by which new tire manufacturers and new tire brand name owners shall maintain records of tire purchasers. 49 CFR Part 575.104, Uniform tire quality grading standards (UTQGS), requires new motor vehicle and new tire manufacturers and brand name owners to provide informat ion to consumers concerning the relative performance of passenger car tires in the areas of treadwear, traction, and temperature resistance. The UTQGS grades are also required to be molded into or onto the tire sidewall. The labeling requirements specified in the regulations referred to above apply to the actual tire manufacturers and/or brand name owners, and the required information, including the DOT symbol and the TIN, must appear on all new tires before they can be sold to their first retail purchasers. A tire distributor or dealer cannot legally remove any of the required information from new tire sidewalls. The required information on new tires is intended for safety purposes, purchaser information, and to enab le this agency to identify the manufacturer in the event of a noncompliance or defect in a tire line or lot. A "manufacturer" is defined in 49 U.S.C. @ 30102(a)(5) as one who manufactures or assembles motor vehicles or equipment or one who imports motor vehicles or equipment for resale. The operations you describe would not be sufficient to make you the manufa cturer of the tires in question. According to your letter, you would, for marketing reasons, remove a thin layer of the surface area of the sidewalls of the tires so that most of the existing information is removed. You would then apply a new thin laye r of rubber containing new information. Your operations would thus not be changing the basic tire as such but simply changing the labeling. A change in labeling would not change who manufactured the tire. Thus, since you would not be a manufacturer of tires, you may not obtain a manufacturer's identification mark in accordance with 49 CFR @ 574.6. Only tire manufacturers or retreaders may obtain that mark. 49 U.S.C. @ 30122(b) prohibits manufacturers, distributors, dealers, and/or motor vehicle repair businesses from knowingly making inoperative any part of a device or element of design installed on or in a motor vehicle or item of equipment in compliance with applicable FMVSSs unless that individual reasonably believes that the vehicle or equipment will not be used when the device or element is inoperative. Thus, removal of the labeling information required to be marked on tire sidewalls in accordance w ith the standards and regulations discussed above could be a violation of @ 30122(b), which could subject the violator to civil penalties of up to $ 1000 per violation, or up to $ 800,000 for a series of related violations. In summary, the Safety Act does not apply to tires intended solely for export. Thus, those tires are not required to comply with any FMVSSs. However, all new or retreaded tires sold or imported into the United States for sale must comply with all applic able FMVSSs and regulations as discussed above. Distributors and dealers may not remove any of the labeling information required to be marked on new tires by the actual manufacturers and/or brand name owners of those tires. Removal of that information c ould make inoperative an element of design on those tires, which could constitute a violation of 49 U.S.C. @ 30122(b). I hope this information is helpful to you. Should you need additional information or have further questions, please feel free to contact Mr. Myers at this address or at (202) 366-2992. |
|
ID: Wheelchair_rampOpenMr. Paul Collett Dear Mr. Collett: This responds to your letter and phone inquiry in which you asked several questions concerning the applicability of Federal Motor Vehicle Safety Standard (FMVSS) No. 206, Door locks and door retention components, to the modification of a vehicle to accommodate a wheelchair ramp. You first asked if a door latch assembly you described would comply with FMVSS No. 206. You then asked a series of questions based on a comparison of the door system you described and other door assembly designs. I have addressed your questions below. In a conversation with Mr. Chris Calamita of my staff you stated that your company, Liberty Motor Company Inc. (Liberty), installs wheelchair ramps onto the back doors of minivans. Prior to installation of a ramp, you stated that the minivans typically have a "rear tailgate door with hinges at the top" and a single latch system located at the center of the bottom edge of the door. You explained that the installation requires lowering of the vehicle floor and the attachment of a folding ramp. As described in your letter, when the ramp is stowed it acts to "seal the door opening between the bottom of the closed tailgate door and the lowered floor".You further explained that the latch and striker of the original vehicle is removed and reinstalled onto the ramp so that when the back door is closed it latches to the stowed ramp. You raised a variety of issues related to this type of modification. We have read your letter as requesting a response on two main issues: (1) is such a modification compliant with FMVSS No. 206, and (2) would such a modification result in a door system analogous to a cargo-door or "double side door" for purposes of the standard? By way of background, the National Highway Traffic Safety Administration does not approve or certify any motor vehicle or modification of a motor vehicle. Instead, 49 U.S.C. 30115 establishes a "self- certification" process under which each manufacturer is responsible for certifying that its products meet all applicable FMVSSs. Generally, FMVSSs apply to motor vehicles up to their first sale for purposes other than resale (first retail sale). See 49 CFR 30112. After the first retail sale of a vehicle, manufacturers, distributors, dealers, and repair businesses are prohibited from "making inoperative" any device or element of design installed on or in a motor vehicle in compliance with an applicable standard (49 U.S.C. 30122; "make inoperative" provision). 1. Compliance with FMVSS No. 206 In equipping a vehicle with a wheelchair ramp your company would have to ensure that the modification did not take the vehicle out of compliance with all applicable FMVSSs, including FMVSS No. 206. S4.4 of FMVSS No. 206 specifies the requirements for hinged back doors. Each hinged back door system must be equipped with at least one primary latch and striker assembly as defined by the standard. The primary latch and striker assembly must not separate when subjected to the specified forces applied in the specified directions. Another important standard to consider is FMVSS No. 214, Side impact protection. FMVSS No. 214 specifies safety requirements for vehicles subjected to impact by a moving deformable barrier at 33.5 mph. S5.3.2 of that standard specifies that any door (including a rear hatchback or tailgate), which is not struck by the barrier must not disengage from the latched position, must not have its latch separate from the striker, and must not have hinged components separate from each other or from their attachment to the vehicle. The latches and hinge systems of unstruck doors must not pull out of their anchorages. The primary latch and striker provided by the original manufacturer must continue to meet these requirements as re-installed. However, nothing in our standards would expressly prohibit a design such as you described. We note that on December 15, 2004, NHTSA published a notice of proposed rulemaking to update requirements and test procedures specified in the standard (69 FR 75021). If adopted, the proposal would add requirements and test procedures for sliding doors, add secondary latch position requirements for doors other than hinged side doors and back doors, provide a new test procedure for assessing inertial forces, and extend the application of the standard to buses with a gross vehicle weight rating of less than 10,000 pounds. 2. Similar Door Systems You asked a series of questions based on the premise that the back door as modified would be analogous to a cargo-type door or a "[double] side door as found on some extended cab pick-up trucks. " We do not agree that the rear door / ramp system you described would be analogous to either of these door systems for the purposes of FMVSS No. 206.
Cargo-type doors are subject to more abbreviated standards than hinged back doors. Contrary to the definition of "cargo-type doors", your door system is designed primarily to permit wheelchair occupants to enter and exit a vehicle. Further, in extending FMVSS No. 206 to hinged back doors, we rejected the idea of treating hinged back doors as cargo-type doors (60 FR 50124; September 28, 1995). The intent of S4.4 is to prevent the back door ejection of occupants by ensuring the integrity of latch/striker and hinge systems of back doors to reduce the incidence of unintended back door opening (60 FR at 50128). The "double side door" systems described in your letter are located on the side of a vehicle and are therefore subject to the requirements applicable to hinged side doors. The door / ramp system described in your letter is located at the back of a vehicle and is therefore subject to the hinged back door requirements.
The portion of the ramp that acts to secure the back opening would be considered part of the back door system. Therefore, the system described in your letter would be a "hinged back door" for the purpose of FMVSS No. 206. I hope you find this information helpful. If you have any additional questions please contact Mr. Chris Calamita of my staff at (202) 366-2992. Sincerely, Jacqueline Glassman ref:206 |
2005 |
Request an Interpretation
You may email your request to Interpretations.NHTSA@dot.gov or send your request in hard copy to:
The Chief Counsel
National Highway Traffic Safety Administration, W41-326
U.S. Department of Transportation
1200 New Jersey Avenue SE
Washington, DC 20590
If you want to talk to someone at NHTSA about what a request for interpretation should include, call the Office of the Chief Counsel at 202-366-2992.
Please note that NHTSA’s response will be made available in this online database, and that the incoming interpretation request may also be made publicly available.