[Federal Register Volume 64, Number 108 (Monday, June 7, 1999)] [Notices] [Page 30370] From the Federal Register Online via the Government Publishing Office [www.gpo.gov] [FR Doc No: 99-14332] ----------------------------------------------------------------------- DEPARTMENT OF TRANSPORTATION Federal Aviation Administration [Docket No. 120-XX] Proposed Advisory Circular on Initial Air Carrier Operational Approval for Use of Digital Communication Systems AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Request for comments on proposed Advisory Circular (AC) for Initial Air Carrier Operational Approval for Use of Digital Communication Systems. ----------------------------------------------------------------------- SUMMARY: The proposed AC is intended to provide an acceptable means, but not the only means, for operational approval to use digital communications systems, including data link and voice communication (e.g., via satellite), for air traffic service and related capabilities for operators conducting operations under Title 14 of the Code of Federal Regulations (14 CFR), parts 121, 125, 129, and 135. DATES: Comments must be received on or before August 6, 1999. ADDRESSES: Send all comments and requests for copies of the proposed AC to: Federal Aviation Administration, Flight Technologies and Procedures Division (Attention AFS-410), 800 Independence Avenue, SW., Washington, DC 20591. This draft AC may also be accessed on the Internet at www.faa.gov/AVR/afs/afs410/afs410.htm. FOR FURTHER INFORMATION CONTACT: Don Streeter, AFS-410, at the above address, telephone (202) 267-9093 (8 a.m. to 5 p.m. EST). Issued in Washington, DC on June 1, 1999. L. Nicholas Lacey, Director, Flight Standards Service. [FR Doc. 99-14332 Filed 6-4-99; 8:45 am] BILLING CODE 4910-13-M