- Date
- February 27, 1965
- Place
- Bishop, CA · BISHOP, CA
- Injuries
- 1 minor, 2 uninjured
- Damage
- Destroyed
- Phase of flight
- Standing
- Aircraft
- N73998Bell 47G3B1
- Status
- Completed · report April 5, 1965
- Report
- Brief approved by the director
- Case key
- 179765
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 ---------------------------------------------------------------------------------------------------------------------------- 2-0077 65/2/27 NR.BISHOP CALIF BELL 47G3B1 CR- 0 0 1 NONCOMMERCIAL COMMERCIAL, FL.INSTR., TIME - 0800 N73998 PX- 0 0 2 BUSINESS AGE 45, 5154 TOTAL HOURS, DAMAGE-DESTROYED OT- 0 0 0 15 IN TYPE, NOT INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION COLLIDED WITH: DIRT BANK STATIC: IDLING ROTORS PROBABLE CAUSE(S) WEATHER - DOWNDRAFT,UPDRAFTS PILOT IN COMMAND - EXERCISED POOR JUDGMENT FACTOR(S) TERRAIN - SNOW-COVERED EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND SKY CONDITION CEILING AT ACCIDENT SITE OVERCAST 12000 VISIBILITY AT ACCIDENT SITE OBSTRUCTIONS TO VISION AT ACCIDENT SITE 5 OR OVER(UNLIMITED) NONE TEMPERATURE-F WIND DIRECTION-DEGREES 20 360 WIND VELOCITY-KNOTS TYPE OF WEATHER CONDITIONS 50 VFR TYPE OF FLIGHT PLAN NONE FIRE AFTER IMPACT REMARKS- ENCOUNTERED DOWNDRAFT THAT EXCEEDED AIRCRAFT CLIMB CAPABILITY-IMPROPER SELECTION OF ROUTE OF FLIGH
Aircraft
- Registration
- N73998
- Reported as
- Bell 47G3B1
- 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.
Other investigations on N73998 · 4
Matched to the same aircraft by N-number and date.
NTSB CHI94T#A04Accident · No injuriesFinal reportMedina, MNNTSB CHI91DER13Accident · No injuriesFinal reportMaple Grove, MNThe pilot's failure to maintain directional control of the helicopter during the forced landing. Related factors are the loss of engine power, loss of rotor RPM, the eroded compressor blades, the pilot's operation with known deficiencies in equipment and…NTSB DEN79FQA37Accident · No injuriesClosedSocorro, NMNTSB DEN76FAQ06Accident · No injuriesClosedBelen, NM