Additional weather information : domestic and flag air carriers.

Bibliographic Details
Corporate Author:	United States. Federal Aviation Administration
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : Dept. of Transportation, Federal Aviation Administration, [1977]
Series:	Advisory circular ; AC no. 121-25
Subjects:	Airplanes > Climatic factors > Forecasting. Meteorology in aeronautics. Weather forecasting.
Online Access:	https://purl.fdlp.gov/GPO/LPS109817

Description
Item Description:	Title from PDF caption (viewed Mar. 6, 2009). "9/16/77." Electronic resource.
Physical Description:	5 pages : digital, PDF file.
Format:	Mode of access: Internet at the FAA web site. Address as of 3/6/09: http://www.airweb.faa.gov/Regulatory%5Fand%5FGuidance%5FLibrary/rgAdvisoryCircular.nsf/0/f28d235dfd44721e862569f1005f7f10/$FILE/ac-121-25.pdf ; current access available via PURL.