- Date
- February 17, 1984, 08:10 local (16:10 UTC)
- Place
- Alma, OR
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N633BAerospatiale AS-341G
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19840217004079A
- Case key
- 39875
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
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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 stated he lost partial power on a x-country flt, during cruise, and initiated an autorotation. At about 200 to 300 ft AGL he reduced the throttle to idle. During flare the rotor RPM decayed and the acft landed hard and rolled over. The pilot stated that the fuel filter had backed off.
Aircraft
- Registration
- N633B
- Reported as
- Aerospatiale AS-341G
- Category
- Helicopter
- Serial number
- 1040
- Airframe hours
- 4,905
- Engine
- Astazou 111A, 494 horsepower, turbo shaft
- Damage
- Substantial damage
- Flight
- Part 135
- Registered owner
- Bohemia Lumber Company
- Airworthiness certificate
- Standard, Normal
- Last inspection
- 100 hour · October 3, 1983 · 22 hours before
- Departed
- EUG · Eugene, OR
- Destination
- OTH · North Bend, OR
- Airport
- None
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
- 50
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Right
- Flight hours
- 5,116 total · 4,848 in this make and model · 68 in the last 90 days · 3 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 230° at 5 knots
- Visibility
- 5 statute miles
- Lowest ceiling
- None
- Temperature
- 30 °F, dew point 28 °F
- Altimeter
- 30.00 inHg
- Observed at
- EUG, 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.