- Date
- August 3, 1973
- Place
- Tonasket, WA · TONASKET, WA
- Injuries
- 3 uninjured
- Damage
- Substantial damage
- Phase of flight
- Takeoff
- Aircraft
- N78255Bell 47G3B2
- Status
- Completed · report December 7, 1973
- Report
- Brief approved by the director
- Case key
- 188898
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3176 73/8/3 NR.TONASKET,WASH BELL 47G3B2 CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 30, 2305 TIME - 1105 N78255 PX- 0 0 2 ASSOC FIRE CTL ACTIVITY TOTAL HOURS, 515 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION OMAK,WASH LOCAL TYPE OF ACCIDENT PHASE OF OPERATION COLLIDED WITH: TREES TAKEOFF: ABORTED PROBABLE CAUSE(S) PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M. PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL FACTOR(S) WEATHER - HIGH DENSITY ALTITUDE TERRAIN - HIGH OBSTRUCTIONS SKY CONDITION CEILING AT ACCIDENT SITE CLEAR UNLIMITED VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE 5 OR OVER(UNLIMITED) NONE OBSTRUCTIONS TO VISION AT ACCIDENT SITE TEMPERATURE-F NONE 70 WIND DIRECTION-DEGREES WIND VELOCITY-KNOTS 20 3 TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN VFR NONE REMARKS- LOST ROTOR RPM.ATMTD LDG ON ROAD,M/R HIT TREE.DENS ALT 5800FT.
Aircraft
- Registration
- N78255
- Reported as
- Bell 47G3B2
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage