http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Approval of flight management systems in transport category airplanes
Title from PDF file caption (viewed Nov. 24, 2008).
Mode of access: Internet at the FAA web site. Address as of 11/24/08: http://www.airweb.faa.gov/Regulatory%5Fand%5FGuidance%5FLibrary/rgAdvisoryCircular.nsf/0/72c371337e518b46862569b200752610/$FILE/AC25-15.pdf ; current access available via PURL.
United States. Federal Aviation Administration.