- Date
- March 12, 1984, 11:00 local (19:00 UTC)
- Place
- Forest Grove, OR
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N62377Hiller UH-12E
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19840312006619A
- Case key
- 39881
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
The plt reported that while hovering, during an external load operation, the eng lost power & blue smoke & flames exited the back of the helicopter. The helicopter then struck trees before coming to rest. During an investigation, the eng started normally & was run to 56% (N1) & 88% (N2). No contaminents were found in the fuel sys.
Aircraft
- Registration
- N62377
- Reported as
- Hiller UH-12E
- Category
- Helicopter
- Serial number
- 1152
- Airframe hours
- 10,602
- Engine
- Allison 250-C20B, 305 horsepower, turbo shaft
- Damage
- Substantial damage
- Flight
- Other work use · Part 133
- Registered owner
- Mountain Air Helicopters
- Airworthiness certificate
- Special, Restricted (Special)
- Last inspection
- 100 hour · March 10, 1984 · 0 hours before
- Departed
- Forest Grove, OR
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.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 43
- Certificate
- Commercial
- Airplane ratings
- Single-engine land, Multi-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Left
- Flight hours
- 6,008 total · 3,500 in this make and model · 6,000 as pilot in command · 140 in the last 90 days
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 180° at 16 knots
- Visibility
- 10 statute miles
- Lowest ceiling
- 3,200 ft broken
- Temperature
- 46 °F, dew point 45 °F
- Altimeter
- 29.00 inHg
- Observed at
- HIO, 25 nm away
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 N62377 · 3
Matched to the same aircraft by N-number and date.