FAA AC 91-50:1977
FAA AC 91-50:1977 Importance Of Transponder Operation And Altitude Reporting Gives information and guidance concerning the importance of transponder operation and altitude reporting in the National Airspace System (NAS).
Table of Contents
1PURPOSE2BACKGROUND
3TRANSPONDERANDALTITUDEREPORTINGREQUIREMENTS
(FAR91.24)
4AIRWORTHINESSREQUIREMENT