- Date
- July 31, 1977
- Place
- Rubicon Spring, CA · RUBICON SPRING, CA
- Injuries
- 3 minor
- Damage
- Substantial damage
- Phase of flight
- Takeoff
- Aircraft
- N337RHBell 47G3B1
- Status
- Completed · report October 18, 1977
- Report
- Brief approved by the director
- FAA report
- 19770731026649A
- Case key
- 146247
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 ---------------------------------------------------------------------------------------------------------------------------- 3-2174 77/7/31 RUBICON SPRING,CA BELL 47G3B1 CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 30, 2353 TIME - 1000 N337RH PX- 0 0 2 AIR TAXI-PASSG TOTAL HOURS, 224 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION RUBICON SPRING,CA LOON LAKE,CA TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION TAKEOFF: RUNNING COLLIDED WITH: TREES LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION POWERPLANT - IGNITION SYSTEM: SPARK PLUG MISCELLANEOUS ACTS,CONDITIONS - CARBON DEPOSITS POWERPLANT - ENGINE STRUCTURE: CRANKCASE MISCELLANEOUS ACTS,CONDITIONS - LOW COMPRESSION FACTOR(S) WEATHER - HIGH DENSITY ALTITUDE COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-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 85 WIND DIRECTION-DEGREES WIND VELOCITY-KNOTS 90 5 TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN VFR NONE REMARKS- LEAD,OIL,AND CARBON FOULING.
Aircraft
- Registration
- N337RH
- Reported as
- Bell 47G3B1
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
N337RHRegistration cancelled Nov 12, 2009 · Bell 47G-3B-1Airframe modelBell 47G-3B-1Engine modelLycoming TVO-435-GIA
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 N337RH · 2
Matched to the same aircraft by N-number and date.