ANC86FA115

NTSB accident investigation · Stinson ST108 · Chugiak, AK · July 28, 1986

Accident · Minor injuriesField investigationFinal report
Date
July 27, 1986, 21:49 local (Jul 28, 1986, 05:49 UTC)
Place
Chugiak, AK
Injuries
2 minor
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N75092Stinson ST108
Weather
Visual (VMC) · Dusk
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Case key
4601

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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Analysis

The aircraft lost power in flight and crashed into a wooded area. VMC conditions prevailed and a VFR flight plan was filed. On site examination of the fuel tanks revealed that less than a quart of fuel remained in both tanks.

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) - nonmechanicalDescent - normal
Fluid,fuel - exhaustionFactor
In-flight planning/decision - improperPilot in commandCause
Fuel consumption calculations - misjudgedPilot in commandCause
Judgment - poorPilot in commandCause
Forced landingDescent - emergency
In flight collision with terrain/waterDescent - uncontrolled

Aircraft

Registration
N75092
Reported as
Stinson ST108
Category
Airplane
Serial number
108-4464
Airframe hours
2,298
Engine
Franklin 6A4-165-B3, 165 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Richard D. Madden
Airworthiness certificate
Standard, Normal; Standard, Utility
Last inspection
Annual · September 18, 1985 · 14 hours before
Departed
Kustatan, AK
Destination
Z15 · Birchwood, AK
Flight plan
VFR

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
44
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land, Single-engine sea
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Right
Flight hours
2,033 total · 29 in this make and model · 1,254 as pilot in command · 4 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Dusk
Wind
180° at 5 knots, gusting 10
Visibility
50 statute miles
Lowest ceiling
None
Temperature
70 °F
Altimeter
29.00 inHg