Title from PDF file caption (viewed Dec. 16, 2008).
Mode of access: Internet at the FAA web site. Address as of 12/16/08: http://www.airweb.faa.gov/Regulatory%5Fand%5FGuidance%5FLibrary/rgAdvisoryCircular.nsf/0/5e773d29b1f398e2862569d60074b576/$FILE/AC43-7.pdf; current access available via PURL.