Title from PDF caption (viewed Feb 18, 2009). "4/24/96."
Technical Details:
Mode of access: Internet at the FAA web site. Address as of 2/18/09: http://www.airweb.faa.gov/Regulatory%5Fand%5FGuidance%5FLibrary/rgAdvisoryCircular.nsf/0/a38f4e77bdeafcfa862569bc0057d083/$FILE/ac120-64.pdf; current access available via PURL.