SEA91LA083

NTSB accident investigation · Aeronca 11AC · Port Orchard, WA · April 12, 1991

Accident · No injuriesLimited investigationFinal report
Date
April 12, 1991, 13:30 local (20:30 UTC)
Place
Port Orchard, WA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N85948Aeronca 11AC
Weather
Visual (VMC) · Day
Status
Completed · report May 5, 1993
Report
Approved by Office Director
Case key
41410

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

The loss of engine power due to contaminated fuel system.

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
Fluid,fuel - contaminationCause
In flight collision with terrain/waterDescent - emergency
In flight collision with terrain/waterLanding - flare/touchdown

Analysis

The acft engine quit a 2200 ft MSL in cruise flt. The pilot initited a forced landing and the acft impacted obstacles on the ground. Examination of the wreckage revealed contamination of the acft fuel system.

Aircraft

Registration
N85948
Reported as
Aeronca 11AC
Category
Airplane
Serial number
360
Engine
Continental A65-8F, 65 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
John D. Gracie
Registered owner
John D. Gracie
Airworthiness certificate
Standard, Utility
Departed
S50 · Auburn, WA
Destination
PWT · Bremerton, WA

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
40
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Flight hours
448 total · 60 in this make and model · 321 as pilot in command · 8 in the last 90 days · 7 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
340° at 5 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
63 °F, dew point 36 °F
Altimeter
30.00 inHg
Observed at
PWT, 5 nm away