DEN90LA014

NTSB accident investigation · Cessna 206F · Opheim, MT · October 27, 1989

Accident · No injuriesLimited investigationFinal report
Date
October 27, 1989, 12:30 local (18:30 UTC)
Place
Opheim, MT
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N33211Cessna 206F
Weather
Visual (VMC) · Day
Status
Completed · report June 25, 1992
Report
Approved by Office Director
FAA report
19891027048529A
Case key
17862

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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Probable cause

Pilot's failure to maintain terrain clearance while executing a low pass.

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.

In flight collision with terrain/waterManeuvering
Low pass - attemptedPilot in commandFactor
Terrain condition - mountainous/hilly
Clearance - not maintainedPilot in commandCause
Diverted attentionPilot in command
Terrain condition - ravine
Nose overOther

Analysis

The pilot stated he and the pax were en route to opeim, MT, when he experienced an engine failure. He executed an emergency landing in an open field and the airplane nosed over. Postaccident examination of the engine revealed no evidence of a mechanical malfunction or failure that would have prevented normal engine operation. Several 'spent' rifle cartridges were found in the airplane. Examination of the airplane revealed the flaps were in the up position at the time of impact. The impact marks revealed the airplane touched down, struck a ravine, became airborne and impacted the uphill side of the ravine before nosing over.

Aircraft

Registration
N33211
Reported as
Cessna 206F
Category
Airplane
Serial number
U2060271
Airframe hours
3,807
Engine
Continental IO-520-A, 285 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Prunty, Thomas J.
Airworthiness certificate
Standard, Normal
Last inspection
Annual · October 30, 1989 · 40 hours before
Departed
GGW · Glascow, MT
Destination
500 · Opheim, MT

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, Single-engine sea
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
4,000 total · 1,100 in this make and model · 4,000 as pilot in command · 200 in the last 90 days · 100 in the last 30 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
360° at 10 knots
Visibility
50 statute miles
Lowest ceiling
None
Temperature
50 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.