Title from PDF title screen (viewed Feb 23, 2009).
"04/21/03."
Mode of access: Internet at the FAA web site. Address as of 2/23/09: http://www.airweb.faa.gov/Regulatory%5Fand%5FGuidance%5FLibrary/rgAdvisoryCircular.nsf/0/c83d3e4ceb74e1df86256d1600587657/$FILE/AC120-79.pdf; current access available via PURL.