FLIGHT VIBRATION SURVEY OF XC-123D AIRCRAFT
Technical documentary rept.
AERONAUTICAL SYSTEMS DIV WRIGHT-PATTERSON AFB OH
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An XC-123D aircraft, SN 53-8068, was surveyed at Wright-Patterson Air Force Base, Ohio to determine the vibration environment existing throughout the vehicle under all flight conditions expected in service. Approximately 24,300 data points were obtained from 23 separate locations on the vehicle during four test flights. The data obtained in this survey were evaluated to determine the adequacy of vibration test requirements for aircraft equipment as contained in Specification Nr. Mil-E-5272C. The data indicated that the vibration testing requirements of this specification were adequate with the exception of the very light pieces of equipment which were attached to the fuselage sidewalls in the vicinity of the prop plane.