ANC85FA085

NTSB accident investigation · Cessna C-207A · Golovin, AK · May 16, 1985

Accident · FatalField investigationFinal report
Date
May 16, 1985, 13:45 local (21:45 UTC)
Place
Golovin, AK
Injuries
2 fatal, 3 serious
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N73635Cessna C-207A
Weather
Instrument (IMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19850516075129A
Case key
4406

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.

In flight encounter with weatherClimb - to cruise
In-flight planning/decision - improperPilot in commandCause
PressurePilot in commandCause
Weather condition - obscurationFactor
Vfr flight into imc - continuedPilot in commandCause
Weather evaluation - poorPilot in commandCause
Judgment - poorPilot in commandCause
Improper use of equipment/aircraftPilot in commandCause
Weather evaluation - poorCompany/operator managementFactor
In flight collision with terrain/waterManeuvering
Terrain condition - high terrainFactor
Terrain condition - snow coveredFactor
Weather condition - cloudsFactor
Weather condition - whiteoutFactor
Visual/aural perceptionPilot in commandFactor

Analysis

According to the pilot-in-command, he was attempting to fly through a mountain saddle. As he turned towards the mountain and began his climb the weather deteriorated rapidly with ceilings zero, visibility zero and severe turbulence. The airplane struck the side of a 1707 foot high mountain at the 1590 foot level on a magnetic heading of 015 degrees. The pilot-in-command stated that just prior to impact he could not see anything.

Aircraft

Registration
N73635
Reported as
Cessna C-207A
Category
Airplane
Serial number
20700610
Airframe hours
5,132
Engine
Lycoming IO-520-F, 300 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Registered owner
David Olson
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · April 2, 1985 · 85 hours before
Departed
GLV · Golovin, AK
Destination
ELI · Elim, AK
Flight plan
Company VFR
Airport
Unknown

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
30
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
4,280 total · 420 in this make and model · 4,150 as pilot in command · 209 in the last 90 days · 79 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Day
Wind
100° at 24 knots, gusting 29
Visibility
15 statute miles
Lowest ceiling
400 ft overcast
Temperature
34 °F, dew point 30 °F
Altimeter
29.00 inHg
Observed at
OME, 71 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.