[Federal Register: August 10, 1999 (Volume 64, Number 153)]
[Notices]               
[Page 43579]
From the Federal Register Online via GPO Access [wais.access.gpo.gov]
[DOCID:fr10au99-131]                         



[[Page 43579]]



DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

 
Proposed Technical Standard Order (TSO)--C135, Transport Airplane 
Wheels and Wheel and Brake Assemblies

AGENCY: Federal Aviation Administration, DOT.

ACTION: Notice of availability of proposed technical standard order and 
request for comments.

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SUMMARY: This notice announces the availability of and request comments 
on a proposed technical standard order (TSO) pertaining to transport 
airplane wheels and wheel and brake assemblies. The proposed TSO 
prescribes the minimum performance standards that transport category 
airplane wheels and wheel and brake assemblies must meet to be 
identified with the applicable TSO marking. this notice provides 
interested persons an opportunity to comment on the proposed TSO 
concurrently with a notice of proposed rulemaking and a proposed 
advisory circular on the same subject, published elsewhere in this 
issue of the Federal Register.

DATES: Comments must be received on or before November 8, 1999.

ADDRESSES: Send all comments on the proposed technical standard order 
to the Federal Aviation Administration, Attention: Mahinder Wahi, 
Propulsion/Mechanical Systems Branch, ANM-112, Transport Airplane 
Directorate, 1601 Lind Avenue SW., Renton, WA 98055-4056. Comments may 
be examined at the above address between 7:30 a.m. and 4:00 p.m. 
weekdays, except Federal holidays.

FOR FURTHER INFORMATION CONTACT: Mahinder Wahi, at the above address, 
telephone (425) 227-2142; facsimile (425) 227-1320; e-mail 
mahinder.wahi@faa.gov.

SUPPLEMENTARY INFORMATION:

Comments Invited

    Interested persons are invited to comment on the proposed TSO by 
submitting such written data, views, or arguments as hey desire to the 
above specified address. Comments must identify the title and number of 
the TSO (TSO-C135) and submit comments in duplicate to the address 
specified above. All comments received on or before the closing date 
for comments will be considered by the Director, Aircraft Certification 
Service, before issuing the final TSO.

Background

    As stated above, this proposed TSO prescribes he minimum 
performance standards that transport category airplane wheels and wheel 
and brake assemblies must meet to be identified with the applicable TSO 
marking. Information provided in an appendix to the TSO include the 
minimum performance specifications, general design specifications, 
minimum performance under standard test conditions, and data 
requirements.
    The material contained in the proposed TSO was developed by the 
Braking Systems Harmonization Working Group of the Aviation Rulemaking 
Advisory committee to ensure consistent application of the standards 
proposed under separate notice, ``Revision of Braking Systems 
Airworthiness Standards to Harmonize with European Airworthiness 
Standards to Harmonize with European Airworthiness Standards for 
Transport Category airplanes,' and a corresponding proposed Advisory 
Circular (AC-25.735-IX, ``Brakes and Braking Systems Certification 
Tests and Analysis'' published elsewhere in this issue of the Federal 
Register. the corresponding advisory material and TSO developed by the 
JAA are AMJ 25.735 and JTSO-C135.

How To Obtain Copies

    A copy of proposed TSO-C135 may be obtained by contacting the 
person named above under For Further Information Contact.

    Issued in Washington, D.C. on August 3, 1999.
James C. Jones,
Manager, Aircraft Engineering Division, Aircraft Certification Service.
[FR Doc. 99-20520 Filed 8-9-99; 8:45 am]
BILLING CODE 4910-13-M