- Date
- April 22, 1977
- Place
- Hartsdale, NY · HARTSDALE, NY
- Injuries
- 1 fatal, 1 serious
- Damage
- Destroyed
- Phase of flight
- Maneuvering
- Aircraft
- N472FWBell 47G-4A
- Status
- Completed · report December 1, 1977
- Report
- Brief approved by the director
- FAA report
- 19770422037699A
- Case key
- 152495
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3315 77/4/22 HARTSDALE,NY BELL 47G-4A CR- 1 0 0 MISCELLANEOUS ATP,FLIGHT INSTR., AGE TIME - 1700 N472FW PX- 0 1 0 POLICE PATROL 27, 2447 TOTAL HOURS, 515 DAMAGE-DESTROYED OT- 0 0 0 IN TYPE, INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION MANHATTAN,NY LOCAL TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: LOW PASS COLLIDED WITH: FENCE,FENCEPOSTS LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: OTHER ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: MAIN ROTOR GEAR BOX MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND FIRE AFTER IMPACT REMARKS- FLOAT EQUIPPED.BOLTS UNSEATED & TURNED ON PROP FLANGE.ENGINE OVERHAUL PROCEDURES INADEQUATE.
Aircraft
- Registration
- N472FW
- Reported as
- Bell 47G-4A
- 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.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.