- Date
- August 9, 1966
- Place
- Bishop, CA · BISHOP, CA
- Injuries
- 3 serious
- Damage
- Destroyed
- Phase of flight
- Initial climb
- Aircraft
- N8528FBell 47G3B1
- Status
- Completed · report April 11, 1967
- Report
- Brief approved by the director
- Case key
- 122461
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 ---------------------------------------------------------------------------------------------------------------------------- 2-0724 66/8/9 NR.BISHOP CALIF BELL 47G3B1 CR- 0 1 0 MISCELLANEOUS AIRLINE TRANSPORT, AGE TIME - 1735 N8528F PX- 0 2 0 OTHER PUBLIC 35, 5395 TOTAL HOURS, DAMAGE-DESTROYED OT- 0 0 0 2400 IN TYPE, NOT INSTRUMENT RATED. NAME OF AIRPORT - BARCROFT LAB. TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION TAKEOFF: INITIAL CLIMB COLLIDED WITH: OBJECT LANDING: OTHER PROBABLE CAUSE(S) POWERPLANT - EXHAUST SYSTEM: EXTERNAL SUPERCHARGER MISCELLANEOUS ACTS,CONDITIONS - IMPROPER CLEARANCE-TOLERANCE PWR PLT-TURBINE WHEEL RUBBED AGAINST CASE HOUSING. FACTOR(S) WEATHER - HIGH DENSITY ALTITUDE TERRAIN - ROUGH/UNEVEN PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND 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 60 WIND DIRECTION-DEGREES WIND VELOCITY-KNOTS 270 8 TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN VFR NONE FIRE AFTER IMPACT REMARKS- STRUCK LARGE ROCK.
Aircraft
- Registration
- N8528F
- Reported as
- Bell 47G3B1
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Destroyed
- Airport
- Barcroft Lab.
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.