RTCA, Inc.; New Document Releases

DEPARTMENT OF TRANSPORTATION

RTCA, Inc.; New Document Releases

Pursuant to section 10(a)(2) of the Federal Advisory Committee Act

(Pub. L. 92-463, 5 U.S.C., Appendix I), notice is hereby given for

information on the release of RTCA/DO-225, and Change 2 to RTCA/DO-210.

Information is as follows:

RTCA DO-225--VHF air ground communications system improvements

alternatives study and selection of proposals for future action--This

report represents a broad study of very high frequency (VHF) air-ground

communications system improvements. The study includes: (1) Gaining an

understanding of the present VHF air-ground communications system, (2)

developing future Air Traffic Service (ATS) and Aeronautical

Operational Control (AOC) communications functional requirements and

desirable features, (3) studying present system improvements, (4)

selecting a future system candidate to pursue towards implementation,

and (5) developing recommendations resulting from this study. Seven

candidate future system alternatives were evaluated against future

system requirements and desirable features and as a result of this

study, six recommendations to pursue present and future system

improvements were adopted.

US $60.00 for US/Canada/Mexico; US $75.00 for all other countries.

Plus applicable shipping and handling.

Change to RTCA DO-210, parts A&B--Minimum operational performance

standards for aeronautical mobile satellite services (AMSS)--To provide

the user community with the most current and technically correct

information available, Change 2 was developed to incorporate new data

that applies to FANS implementation; to clarify the measurement

procedure of Section 2.4.4.2.4, and to improve several diagrams by

providing more detailed information. The change has also been designed

to produce a clean ``cut and paste'' revision for document users.

US$20.00 for US/Canada/Mexico; US$30.00 for all countries. Plus

applicable shipping and handling charges.

Persons wishing to obtain information should contact the RTCA

Secretariat, 1140 Connecticut Avenue, N.W., Suite 1020, Washington,

D.C. 20036; (202) 833-9339. Any member of the public may present a

written statement to the committee at any time.

Issued in Washington, D.C., on November 22, 1994.

David W. Ford,

Designated Officer.

[FR Doc. 94-29479 Filed 11-29-94; 8:45 am]

BILLING CODE 4910-13-M