MIL-H-8501A, MILITARY SPECIFICATION: HELICOPTER FLYING AND GROUND HANDLING QUALITIES, GENERAL REQUIREMENTS FOR (07 SEP 1961) [NO S/S DOCUMENT]

MIL-H-8501A, MILITARY SPECIFICATION: HELICOPTER FLYING AND GROUND HANDLING QUALITIES, GENERAL REQUIREMENTS FOR (07 SEP 1961) [NO S/S DOCUMENT]., This specification covers the design requirements for flying and ground handling qualities of U.S. military helicopters.