- Date
- October 8, 1973
- Place
- Forks, WA · FORKS, WA
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N5161BBell 47F-2
- Status
- Completed · report December 6, 1973
- Report
- Brief approved by the director
- FAA report
- 19731008033599A
- Case key
- 188285
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3177 73/10/8 FORKS,WASH BELL 47F-2 CR- 0 0 1 NONCOMMERCIAL COMMERCIAL, AGE 45, 5407 TIME - 1330 N5161B PX- 0 0 0 CORP/EXEC TOTAL HOURS, 330 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION FORKS,WASH LOCAL TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: MAIN ROTOR IN FLIGHT: HOVERING COLLISION WITH GROUND/WATER: CONTROLLED LANDING: LEVEL OFF/TOUCHDOWN PROBABLE CAUSE(S) ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY MISCELLANEOUS ACTS,CONDITIONS - IMPROPER CLEARANCE-TOLERANCE TERRAIN - ROUGH/UNEVEN EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- CLUTCH SHOES,PN 47-G20-609-05 WERE GLAZED. M/R SYSTEM WOULDNT ENGAGE. STUMP COVERED AREA.
Aircraft
- Registration
- N5161B
- Reported as
- Bell 47F-2
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
N5161BRegistration cancelled Dec 17, 2014 · 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.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N5161B · 3
Matched to the same aircraft by N-number and date.