- Date
- December 31, 1978
- Place
- Boulder City, NV · BOULDER CITY, NV
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Takeoff
- Aircraft
- N8523FBell 47J2A
- Status
- Completed · report January 11, 1979
- Report
- Brief approved by the director
- FAA report
- 19781231038319A
- Case key
- 139105
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3433 78/12/31 NR.BOULDER CITY,NV BELL 47J2A CR- 0 0 1 MISCELLANEOUS COMMERCIAL, AGE 40, 2724 TIME - 1130 N8523F PX- 0 0 1 FERRY TOTAL HOURS, 527 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION BOULDER CITY,NV LOCAL TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION TAKEOFF: VERTICAL HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES MISCELLANEOUS ACTS,CONDITIONS - WARPED MISCELLANEOUS ACTS,CONDITIONS - LOW COMPRESSION FACTOR(S) TERRAIN - ROUGH/UNEVEN COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- #3 CYL AND #6 CYL.
Aircraft
- Registration
- N8523F
- Reported as
- Bell 47J2A
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
N8523FRegistration cancelled May 14, 2013 · Bell 47J-2AAirframe modelBell 47J-2AEngine modelLycoming VO-540 series
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 N8523F · 2
Matched to the same aircraft by N-number and date.
NTSB MIA87LA224Accident · No injuriesLimited investigationFinal reportOrlando, FLDuring the apch to land the tail rotor drive assy failed resulting in a momentary loss of control. The plt then autorotated & landed on the company helipad, during which the helicopter sustained substantial damage. Examination of the tail rotor drive assy…NTSB MKC76DCD54Accident · No injuriesClosedKeokuk, IA