- Date
- December 1, 1969
- Place
- Clarkstown, NY · CLARKSTOWN, NY
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N8593FBell 47G-5
- Status
- Completed · report May 22, 1970
- Report
- Brief approved by the director
- Case key
- 107186
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 ---------------------------------------------------------------------------------------------------------------------------- 3-4435 69/12/1 CLARKSTOWN,NY BELL 47G-5 CR- 0 0 1 MISCELLANEOUS COMMERCIAL, FL.INSTR., TIME - 0930 N8593F PX- 0 0 0 FERRY AGE 36, 1508 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 1012 IN TYPE, NOT INSTRUMENT RATED. NAME OF AIRPORT - RAMAPO VALLEY DEPARTURE POINT INTENDED DESTINATION NEW YORK,NY SPRING VALLEY,NY TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: NORMAL CRUISE COLLIDED WITH: TREES LANDING: FINAL APPROACH PROBABLE CAUSE(S) POWERPLANT - LUBRICATING SYSTEM: LINES,HOSES,FITTING MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE MISCELLANEOUS ACTS,CONDITIONS - OIL EXHAUSTION-ENGINE LUBRICATION SYSTEM POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE TERRAIN - HIGH OBSTRUCTIONS PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- HOSE FROM OIL COOLER TO ENG BROKE.CAUSED OIL EXHAUSTION AND FAILURE OF NR 2 CONNECTING ROD BEARING
Aircraft
- Registration
- N8593F
- Reported as
- Bell 47G-5
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Ramapo Valley
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 N8593F · 3
Matched to the same aircraft by N-number and date.