NTSB Identification: DEN73FTC05
14 CFR Part 91 General Aviation
Aircraft: ALOUETTE III, registration: N6874----------------------------------------------------------------------------------------------------------------------------
FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1246 72/8/8 GREYBULL,WYO ALOUETTE III CR- 0 1 0 MISCELLANEOUS COMMERCIAL, FL.INSTR.,
TIME - 1130 N6874 PX- 0 0 0 FERRY AGE 45, 9932 TOTAL HOURS,
DAMAGE-SUBSTANTIAL OT- 0 0 0 65 IN TYPE, NOT
INSTRUMENT RATED.
DEPARTURE POINT INTENDED DESTINATION
CODY,WYO GREYBULL,WYO
TYPE OF ACCIDENT PHASE OF OPERATION
MISCELLANEOUS IN FLIGHT: NORMAL CRUISE
COLLISION WITH GROUND/WATER: UNCONTROLLED IN FLIGHT: UNCONTROLLED DESCENT
PROBABLE CAUSE(S)
ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: ENGINE DRIVE SHAFT
MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: SUBSTANDARD QUALITY CONTROL
FACTOR(S)
MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
SUSPECTED MECHANICAL DISCREPANCY
PITCH CONTROL PROBLEM
REMARKS- MAIN DRIVE SHAFT FAILED DUE TO FAULTY MACHINING.SHAFT SEPARATED,WENT THRU ROTOR HEAD ASSY.
Index for Aug1972 | Index of months