Importance of transponder operation and altitude reporting.

Author/creator United States
Format Electronic
Publication Info[Washington, D.C.] : Dept. of Transportation, Federal Aviation Administration, [1977]
Description2 p. : digital, PDF file
Supplemental Contenthttps://purl.fdlp.gov/GPO/LPS107894
Subjects

SeriesAdvisory circular ; AC no. 91-50
United States. Federal Aviation Administration. Advisory circular ; AC 91-50. ^A500611
General noteTitle from PDF caption (viewed Jan. 22, 2009).
General note"8/24/77."
General noteGPO Cataloging Record Distribution Program (CRDP).
Technical detailsMode of access: Internet at the FAA web site. Address as of 1/22/09: http://www.airweb.faa.gov/Regulatory%5Fand%5FGuidance%5FLibrary/rgAdvisoryCircular.nsf/0/276607e86c52126c862569e70077c8d1/$FILE/AC91-50.pdf; current access available via PURL.
Issued in other formUnited States. Federal Aviation Administration. Importance of transponder operation and altitude reporting 2 p.
GPO item number0431-A-27 (online)
Govt. docs number TD 4.8/5:91-50