- Date
- June 28, 1976
- Place
- Tygh Valley, OR · TYGH VALLEY, OR
- Injuries
- 1 fatal, 1 serious
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N9123FHughes 369HS
- Status
- Completed · report December 17, 1976
- Report
- Brief approved by the director
- FAA report
- 19760628036999A
- Case key
- 155139
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3281 76/6/28 NR.TYGH VALLEY,OR HUGHES 369HS CR- 0 1 0 NONCOMMERCIAL COMMERCIAL, AGE 50, 8000 TIME - 1445 N9123F PX- 1 0 0 PLEASURE/PERSONAL TRANSP TOTAL HOURS, 1100 IN DAMAGE-DESTROYED OT- 0 0 0 TYPE, NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION WAMIC,OR LOCAL TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: NORMAL CRUISE COLLIDED WITH: TREES LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) POWERPLANT - FUEL SYSTEM: OTHER MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE MISCELLANEOUS ACTS,CONDITIONS - RPM-UNCONTROLLABLE-OVERSPEED PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING FACTOR(S) TERRAIN - HIGH OBSTRUCTIONS TERRAIN - ROUGH/UNEVEN EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND FIRE AFTER IMPACT REMARKS- POWER TURBINE GOVERNOR DIAPHRAGM RUPTURED. THROTTLE IDLE CUT-OFF. FIRE 5-6 HRS AFTER ACCDT.
Aircraft
- Registration
- N9123F
- Reported as
- Hughes 369HS
- Category
- Helicopter
- Engine
- turbo shaft
- 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.