- Date
- June 17, 1977
- Place
- Mt Vernon, WA · MT VERNON, WA
- Injuries
- 1 serious
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N5330VHiller Acft 12C
- Status
- Completed · report November 30, 1977
- Report
- Brief approved by the director
- FAA report
- 19770617031139A
- Case key
- 146809
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3390 77/6/17 MT VERNON,WA HILLER ACFT 12C CR- 0 1 0 NONCOMMERCIAL PRIVATE, AGE 51, 400 TIME - 1259 N5330V PX- 0 0 0 PRACTICE TOTAL HOURS, 20 IN TYPE, DAMAGE-DESTROYED OT- 0 0 0 NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION MT VERNON,WA LOCAL TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: NORMAL CRUISE HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION POWERPLANT - IGNITION SYSTEM: MAGNETOS MISCELLANEOUS ACTS,CONDITIONS - GROUNDED PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC. PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- L MAG-P LEAD GNDD. R MAG-OIL LKG PAST SEAL INTO BRKR ASSY. DNWIND AUTOROTATION.
Aircraft
- Registration
- N5330V
- Reported as
- Hiller Acft 12C
- 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.
Other investigations on N5330V · 3
Matched to the same aircraft by N-number and date.