Current procedures for collecting and reporting U.S. general aviation accident and activity data [electronic resource] / National Transportation Safety Board.
Published
Washington, D.C. : National Transportation Safety Board, [2005]
Mode of access: Internet from the NTSB web site. Address as of 03/03/09: http://www.ntsb.gov/publictn/2005/SR0502.pdf ; current access is available via PURL.