[Federal Register Volume 70, Number 37 (Friday, February 25, 2005)]
[Notices]
[Page 9439]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 05-3608]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration


Nickel-Cadmium and Lead-Acid Batteries

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION:  Notice of availability.

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SUMMARY: This notice announces the availability of, and requests 
comments on, a proposed Technical Standard Order (TSO) on nickel-
cadmium and lead-acid batteries. These batteries power aircraft 
equipment (emergency and standby systems, plus engine or APU starting). 
The TSO prescribes minimum performance standards for these batteries to 
be identified with the marking ``TSO-C173.''

DATES: Comments must be received on or before March 28, 2005.

ADDRESSES: Send all comments on this proposed TSO to: Technical 
Programs Branch, AIR-120, Aircraft Engineering Division, Aircraft 
Certification Service, Attn: File No. TSO-C173, Federal Aviation 
Administration, 800 Independence Avenue SW., Washington, DC 20591.
    You may deliver comments to: Federal Aviation Administration, Room 
804, 800 Independence Avenue SW., Washington, DC 20591.

FOR FURTHER INFORMATION CONTACT: Mr. Lee Nguyen, AIR-120, Room 804, 
Federal Aviation Administration, 800 Independence Avenue SW., 
Washington DC 20591. Telephone (202) 267-9937.

SUPPLEMENTARY INFORMATION:

Comments Invited

    You are invited to comment on the proposed TSO by submitting 
written data, views, or arguments to the above address. Comments 
received may be examined, both before and after the comment closing 
date, in room 804 at the above address, weekdays except Federal 
holidays, between 8:30 a.m. and 4:30 p.m. The Director, Aircraft 
Certification Service, will consider all comments received on or before 
the closing date before issuing the final TSO.

How To Obtain Copies

    You may download a copy of proposed TSO-C173 from the FAA Web site 
at: http://www.airweb.faa.gov/rgl. At the Web page, select ``Technical 
Standard Orders.'' At the TSO page, select ``Proposed TSOs.'' For a 
paper copy of the proposed TSO, or for further assistance, contact the 
individual listed in FOR FURTHER INFORMATION CONTACT.

    Issued in Washington, DC, on February 17, 2005.
Susan J.M. Cabler,
Acting Manager, Aircraft Engineering Division, Aircraft Certification 
Service.
[FR Doc. 05-3608 Filed 2-24-05; 8:45 am]
BILLING CODE 4910-13-M