- Date
- August 11, 1974
- Place
- Mercer Isl, WA · MERCER ISL, WA
- Injuries
- 1 serious, 1 minor, 1 uninjured
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N88ARBell 47G-2A
- Status
- Completed · report January 30, 1975
- Report
- Brief approved by the director
- FAA report
- 19740811025939A
- Case key
- 138619
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 ---------------------------------------------------------------------------------------------------------------------------- 3-4069 74/8/11 MERCER ISL,WASH BELL 47G-2A CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR., TIME - 1346 N88AR PX- 0 1 1 MAPPING/PHOTO AGE 35, 1470 TOTAL HOURS, DAMAGE-DESTROYED OT- 0 0 0 870 IN TYPE, NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION SEATTLE,WASH LOCAL TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: TAIL ROTOR IN FLIGHT: NORMAL CRUISE COLLISION WITH GROUND/WATER: CONTROLLED LANDING: LEVEL OFF/TOUCHDOWN PROBABLE CAUSE(S) ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR GEAR BOX MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER REMARKS- T/R GR BOX SEPARATED FOR UNDET REASON.SANK IN LAKE.
Aircraft
- Registration
- N88AR
- Reported as
- Bell 47G-2A
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Destroyed
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 N88AR · 1
Matched to the same aircraft by N-number and date.