- Date
- August 10, 1970
- Place
- Estacada, OR · ESTACADA, OR
- Injuries
- 3 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N7939SBell 47G-4A
- Status
- Completed · report June 11, 1971
- Report
- Brief approved by the director
- Case key
- 110780
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3217 70/8/10 ESTACADA,OREG BELL 47G-4A CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR., TIME - 1000 N7939S PX- 0 0 2 CTR PASSG-D AGE 27, 1600 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 1000 IN TYPE, NOT INSTRUMENT RATED. NAME OF AIRPORT - BURNT GRANITE FS DEPARTURE POINT INTENDED DESTINATION USFS RANGER STA ESTACADA,OREG TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: LOW PASS COLLIDED WITH: OBJECT LANDING: POWER-ON LANDING PROBABLE CAUSE(S) POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS TERRAIN - HIGH VEGETATION TERRAIN - HIDDEN OBSTRUCTIONS PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT REMARKS- USFS CONTRACT FLT. ENG LOST PWR FOR UNDET REASON. L SKID HIT ROCK HIDDEN BY TALL GRASS.
Aircraft
- Registration
- N7939S
- Reported as
- Bell 47G-4A
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Burnt Granite Fs
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.