ANC85LA053

NTSB accident investigation · Cessna 207 · Mcgrath, AK · March 11, 1985

Accident · Minor injuriesLimited investigationFinal report
Date
March 11, 1985, 15:35 local (19:35 UTC)
Place
Mcgrath, AK
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N9937MCessna 207
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19850311007999A
Case key
4470

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.

Loss of engine power(total) - mech failure/malfClimb - to cruise
Engine assembly,crankshaft - failure,totalCause
Engine assembly,crankshaft - undeterminedCause
Forced landingDescent - emergency
In flight collision with objectLanding - flare/touchdown
Object - tree(s)

Analysis

The acft contacted trees during a forced landing following an engine failure. Investigation revealed the crankshaft had failed for undetermined reasons. The enging had a total time of 1312 hrs since major overhaul.

Aircraft

Registration
N9937M
Reported as
Cessna 207
Category
Airplane
Serial number
20700753
Airframe hours
3,027
Engine
Continental IO-520-F, 300 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Baker Aviation
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · April 6, 1984 · 61 hours before
Departed
MCG · Mcgrath, AK
Destination
OTZ · Kotzebue, AK
Flight plan
VFR

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
22
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
1,520 total · 70 in this make and model · 1,380 as pilot in command · 55 in the last 90 days · 30 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
160° at 15 knots
Visibility
20 statute miles
Lowest ceiling
None
Temperature
30 °F, dew point 19 °F
Altimeter
29.00 inHg
Observed at
MCG

FAA reports on this event · 1

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