- Date
- June 23, 1964
- Place
- Vivian, LA · VIVIAN, LA
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N4734SBell 47G
- Status
- Completed · report February 4, 1965
- Report
- Brief approved by the director
- Case key
- 183509
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 2-0216 64/6/23 VIVIAN LA BELL 47G CR- 0 0 1 MISCELLANEOUS COMMERCIAL, AGE 34, 800 TIME - 1700 N4734S PX- 0 0 0 TEST TOTAL HOURS, 400 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. NAME OF AIRPORT - VIVIAN TYPE OF ACCIDENT PHASE OF OPERATION MISCELLANEOUS IN FLIGHT: HOVERING HARD LANDING LANDING: POWER-ON LANDING PROBABLE CAUSE(S) ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL) EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT FIRE AFTER IMPACT REMARKS- PILOT LOST ANTITORQUE CONTROL.TAIL ROTOR DRIVE LOCK NUT NOT SECURED,DOWELL PIN MISSING FROM SHAFT.
Aircraft
- Registration
- N4734S
- Reported as
- Bell 47G
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Vivian
N4734SRegistration cancelled Dec 11, 2012 · Bell 47GAirframe modelBell 47GEngine modelFranklin 6V4 series
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Other investigations on N4734S · 4
Matched to the same aircraft by N-number and date.