Approval of offshore standard approach procedures, airborne radar approaches, and helicopter en route descent areas.
Series: Advisory circular -- AC no. 90-80B.
Publisher: U.S. Dept. of Transportation, Federal Aviation Administration
Published: 1999
Place of publication: Washington, D.C. (800 Independence Ave., S.W., Washington 20591)
Language: eng
Subjects: Helicopters -- United States -- Airworthiness.; Helicopters -- United States -- Landing.
Notes: Cover title.

"Advisory circular 90-80A, Approval of offshore helicopter approaches, dated October 21, 1988, is cancelled"--P. [i].

Shipping list no.: 99-0312-P.

"4/12/99."