http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Requirements for 760 channel VHF radio for aeronautical operations
Title from PDF caption (viewed Jan. 12, 2009).
AC 90-50C, VHF Radio Frequency Assignment Plan for Aeronautical Operations dated 3/10/86, is cancelled.
Mode of access: Internet at the FAA web site. Address as of 1/12/09: http://www.airweb.faa.gov/Regulatory%5Fand%5FGuidance%5FLibrary/rgAdvisoryCircular.nsf/0/9221056a32b2feea862569d80049629a/$FILE/AC90-50D.pdf ; current access available via PURL.
Requirements for 760-channel VHF radio for aeronautical operations
United States. Federal Aviation Administration.