ANC84LA015

NTSB accident investigation · Stinson 108 · Skwentna, AK · November 10, 1983

Accident · No injuriesLimited investigationFinal report
Date
November 10, 1983, 16:30 local (20:30 UTC)
Place
Skwentna, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N97155Stinson 108
Weather
Visual (VMC) · Dusk
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Case key
4256

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

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(partial) - nonmechanicalClimb - to cruise
Fluid,fuel - waterCause
Aircraft preflight - inadequatePilot in commandCause
Fluid,fuel - iceCause
Forced landingLanding - flare/touchdown
On ground/water collision with objectLanding - roll
Object - tree(s)Factor

Analysis

After takeoff the eng lost 50% of its power & a forced landing was made in trees. The plt believed the eng failure was due to water/ice in fuel.

Aircraft

Registration
N97155
Reported as
Stinson 108
Category
Airplane
Serial number
108-155
Airframe hours
1,752
Engine
Franklin 6A4-150, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Andrew Cizek
Airworthiness certificate
Standard, Normal
Last inspection
Annual · May 6, 1983 · 41 hours before
Destination
Anchorage, AK
Airport
Skwentna, runway 9, 3,500 × ft, gravel

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
21
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
187 total · 143 in this make and model · 141 as pilot in command · 9 in the last 90 days · 4 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Dusk
Wind
Calm
Visibility
50 statute miles
Lowest ceiling
None
Temperature
18 °F, dew point 5 °F