Airworthiness and operational approval of airborne systems to be used in lieu of a ground proximity warning system(s) (GPWS).

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, [1981]
Series:Advisory circular ; AC 20-112
Subjects:
Online Access:https://purl.fdlp.gov/GPO/LPS104082
Description
Item Description:Title from PDF file caption (viewed Oct. 15, 2008).
Electronic resource.
Physical Description:5 pages : digital, PDF file.
Format:Mode of access: Internet at the FAA web site. Address as of 10/15/08: http://www.airweb.faa.gov/Regulatory%5Fand%5FGuidance%5FLibrary/rgAdvisoryCircular.nsf/0/8ee77ba4c51b3f3d862569bd00499af4/$FILE/AC20-112.pdf ; current access available via PURL.