MIL-H-8501A (AMENDMENT 1), MILITARY SPECIFICATION: HELICOPTER FLYING AND GROUND HANDLING QUALITIES, GENERAL REQUIREMENTS FOR (03 APR 1962) [NO S/S DOCUMENT]

MIL-H-8501A (AMENDMENT 1), MILITARY SPECIFICATION: HELICOPTER FLYING AND GROUND HANDLING QUALITIES, GENERAL REQUIREMENTS FOR (03 APR 1962) [NO S/S DOCUMENT]., This amendment forms a part of Military Specification MIL-H-8601A, 7 September 1961, and has been approved by the Department of Defense and is mandatory for use by the Departments of the Army, the Navy, and the Air Force.