[Federal Register Volume 68, Number 44 (Thursday, March 6, 2003)]
[Notices]
[Page 10774]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 03-5291]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration


Airborne Navigation Sensors Using the Global Positioning System 
Augmented by the Local Area Augmentation System

AGENCY: Federal Aviation Administration, DOT.

ACTION: Notice of availability and request for public comment.

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SUMMARY: This notice announces the availability of and requests 
comments on a draft Technical Standard Order (TSO) C-162, Local Area 
Augmentation System Very High Frequency Data Broadcast Equipment. The 
draft TSO tells manufacturers seeking TSO authorization or letter of 
design approval what minimum performance standards (MPS) their Very 
High Frequency (VHF) data broadcast (VDB) equipment using the Global 
Positioning System (GPS) augmented by the Local Area Augmentation 
System (LAAS) must first meet for approval and identification with the 
applicable TSO marking.

DATES: Submit comments on or before April 8, 2003.

ADDRESSES: Send all comments on the proposed TSO to: Federal Aviation 
Administration, Aircraft Certification Service, Room 815, AIR-130, 800 
Independence Avenue, SW., Washington, DC 20591. You may deliver 
comments to: Federal Aviation Administration, 800 Independence Avenue, 
SW., Room 815, Washington, DC 20591.

FOR FURTHER INFORMATION CONTACT: Mr. Bruce DeCleene, Federal Aviation 
Administration, Aircraft Certification Service, Room 815, AIR-130, 800 
Independence Avenue, SW., Washington, DC 20591, Telephone: (202) 385-
4640, Fax: (202) 385-4651.

SUPPLEMENTARY INFORMATION:

Comments Invited

    You are invited to comment on the draft TSO listed in this notice 
by submitting written data, views, or arguments, to the address listed 
above. Your comments should be identified as ``Comments to TSO C-162.'' 
You can examine comments on the draft TSO before and after the closing 
date, at the Federal Aviation Administration, Room 815, 800 
Independence Avenue, SW., Washington, DC 20591, weekdays except Federal 
Holidays between 8:30 a.m. and 4:30 p.m. All communications received on 
or before the closing date will be considered by the Director of the 
Aircraft Certification Service before issuing the final TSO.

Background

    The FAA is pursuing differential GPS technology under the LAAS 
program. LAAS ground facilities will be consistent with the 
International Civil Aviation Organization standards for Ground-based 
Augmentation Systems for GPS that support Category I precision 
approaches and the positioning service. RTCA has developed standards 
for airborne navigation equipment using LAAS. Two new TSOs have been 
drafted based upon the RTCA standards. One TSO is for the VHF data 
broadcast receive function; the other is for the position and 
navigation function.

How To Obtain Copies

    You may get a copy of the draft TSO from the Internet at: http://av-info.faa.gov/tso/Tsopro/Proposed.htm. You may also request a copy 
from Mr. Bruce DeCleene. See section entitled FOR FURTHER INFORMATION 
CONTACT for complete address.

    Issued in Washington, DC, on February 28, 2003.
Susan J.M. Cabler,
Deputy Manager, Aircraft Engineering Division, Aircraft Certification 
Service.
[FR Doc. 03-5291 Filed 3-5-03; 8:45 am]
BILLING CODE 4910-13-M