- Date
- September 26, 1964
- Place
- Pomona, CA · POMONA, CA
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Approach
- Aircraft
- N5193BBell 47G2
- Status
- Completed · report January 26, 1965
- Report
- Brief approved by the director
- Case key
- 184141
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
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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 ---------------------------------------------------------------------------------------------------------------------------- 2-0778 64/9/26 POMONA CALIF BELL 47G2 CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR., TIME - 1251 N5193B PX- 0 0 1 AIR TAXI-PASSG AGE 38, 3500 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 2200 IN TYPE, NOT INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION COLLISION WITH GROUND/WATER: UNCONTROLLED LANDING: FINAL APPROACH PROBABLE CAUSE(S) PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL) ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER DIRECTIONAL CONTROL PROBLEM REMARKS- LOSS OF ANTI TORQUE CONTROL -FORWARD SLEEVE LOCK NUT OF TAIL ROTOR DRIVE SHAFT NOT SECURED
Aircraft
- Registration
- N5193B
- Reported as
- Bell 47G2
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
N5193BRegistration cancelled Mar 3, 2008 · Bell 47G-2Airframe modelBell 47G-2Engine modelLycoming VO-435 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 N5193B · 6
Matched to the same aircraft by N-number and date.
NTSB FTW02LA264Accident · 1 fatalLimited investigationFinal reportEdmondson, ARThe pilot's failure to maintain clearance from the high voltage power lines.NTSB CHI95LA003Accident · Minor injuriesLimited investigationFinal reportDecatur, ILthe failure of the roller springs in the freewheeling unit of the transmission which caused the unit to disengage.NTSB NYC70DFM16Accident · No injuriesClosedDanbury, CTNTSB LAX70F0025Accident · 2 fatalClosedHollywood, CANTSB LAX68A0022Accident · Minor injuriesClosedCamarillo, CANTSB UNK64X1672Accident · Serious injuriesClosedGlendora, CA