Federal Aviation Administration

AC 91-50 - Importance of Transponder Operation and Altitude Reporting

Document Information

91-50 - Importance of Transponder Operation and Altitude Reporting

Date Issued
August 24, 1977
Responsible Office
AFS-820
Description
Provides information and guidance concerning the importance of transponder operation and altitude reporting in the National Airspace System.

Page Last Modified: 06/17/10 15:21 EDT

This page can be viewed online at: http://www.faa.gov/regulations_policies/advisory_circulars/