ANC90LA139

NTSB accident investigation · Cessna 180 · Soldotna, AK · August 11, 1990

Accident · No injuriesLimited investigationFinal report
Date
August 11, 1990, 12:15 local (20:15 UTC)
Place
Soldotna, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N52098Cessna 180
Weather
Visual (VMC) · Day
Status
Completed · report November 9, 1992
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19900811033339A
Case key
5424

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

Loss of engine power due to fuel exhaustion caused by inflight siphoning of fuel.

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) - nonmechanicalCruise - normal
Fuel system,tank - looseFactor
Fluid,fuel - siphoningCause
Fluid,fuel - exhaustionCause
Forced landingDescent - emergency
In flight collision with objectDescent - emergency
Object - tree(s)

Analysis

The airplane made a forced landing into the trees following an engine failure. About 5 minutes earlier, the pilot reportedly saw fuel siphoning from the right fuel tank filler cap. The bottom of the right fuel bladder was found to be not securely fastened. The pilot reported that the fuel tanks were almost empty immediately after the accident.

Aircraft

Registration
N52098
Reported as
Cessna 180
Category
Airplane
Serial number
18052498
Engine
Continental O-470-R25A, 230 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
John D Amundsen
Registered owner
Unknown
Departed
NONE · Drift River, AK
Airport
NONE

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
41
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land, Single-engine sea
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Flight hours
3,000 total · 900 in this make and model · 2,950 as pilot in command · 20 in the last 90 days · 20 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
45° at 3 knots
Visibility
100 statute miles
Lowest ceiling
None
Temperature
70 °F, dew point -0 °F

FAA reports on this event · 1

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