- Date
- August 28, 1991, 23:59 local (Aug 29, 1991, 06:59 UTC)
- Place
- Walton, OR
- Injuries
- 3 fatal
- Damage
- Destroyed
- Phase of flight
- Maneuvering
- Aircraft
- N64SFAerospatiale 350 B1
- Weather
- Visual (VMC) · Night/dark
- Status
- Completed · report March 31, 1993
- Report
- Approved by Office Director
- FAA report
- 19910828037879A
- Case key
- 41337
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
The pilot's failure to maintain clearance from terrain.
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
While maneuvering in remote mountainous terrain, on a dark night, with light drizzle and patchy clouds, the helicopter collided with a mountain. The wreckage scattered on a heading opposite the flights destination. The helicopter was destroyed by a post crsh fire and there were no noted mechanical failures or malfunctions.
Aircraft
- Registration
- N64SF
- Reported as
- Aerospatiale 350 B1
- Category
- Helicopter
- Serial number
- 2148
- Engine
- Turbomeca ARRIEL 1, 684 horsepower, turbo shaft
- Damage
- Destroyed
- Fire
- On-Ground
- Flight
- Part 135
- Operator
- Bohemia Inc.
- Registered owner
- Bohemia Inc.
- Last inspection
- 100 hour · July 30, 1991
- Destination
- EUG · Eugene, 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
- 55
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Right
- Toxicology
- Performed
- Flight hours
- 10,277 total · 1,575 in this make and model · 129 in the last 90 days · 50 in the last 30 days
Weather
- Conditions
- Visual (VMC) · Night/dark
- Wind
- Calm
- Visibility
- 12 statute miles
- Temperature
- -0 °F, dew point -0 °F
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.