Airworthiness approval of traffic alert and collision avoidance systems (TCAS II) and Mode S transponders.

Bibliographic Details
Corporate Author:	United States. Federal Aviation Administration
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : U.S. Dept. of Transportation, Federal Aviation Administration, [1993]
Series:	Advisory circular ; AC no. 20-131A
Subjects:	Airplanes > Collision avoidance. Air traffic control > Electronic equipment > Certification > United States.
Online Access:	https://purl.fdlp.gov/GPO/LPS104226

Available Online