NTSB Identification: FTW73DRG66
14 CFR Part 91 General Aviation
Aircraft: BELL 47G, registration: N2772----------------------------------------------------------------------------------------------------------------------------
FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
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3-0651 73/4/4 SAN ANTONIO,TEX BELL 47G CR- 0 0 1 INSTRUCTIONAL COMMERCIAL, AGE 29, 202
TIME - 1000 N2772 PX- 0 0 0 TRAINING TOTAL HOURS, 21 IN TYPE,
DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED.
NAME OF AIRPORT - STINSON
DEPARTURE POINT INTENDED DESTINATION
SAN ANTONIO,TEX LOCAL
TYPE OF ACCIDENT PHASE OF OPERATION
PROPELLER/ROTOR FAILURE: MAIN ROTOR IN FLIGHT: HOVERING
HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING
PROBABLE CAUSE(S)
PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: MAIN ROTOR GEAR BOX
MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
REMARKS- TRANSMISSION SEIZED DUE PINION GR FAILURE IN UPPER PLANETARY SYS.TAIL ROTOR DRIVE SHEARED.
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