ANC87LA150

NTSB accident investigation · Aeronca 7AC · Island Lake, AK · September 14, 1987

Accident · Minor injuriesLimited investigationFinal report
Date
September 14, 1987, 11:30 local (19:30 UTC)
Place
Island Lake, AK
Injuries
2 minor
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N82171Aeronca 7AC
Weather
Visual (VMC) · Day
Status
Completed · report May 27, 1988
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19870914053169A
Case key
4913

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) - nonmechanicalTakeoff - initial climb
Fluid,fuel - contaminationCause
Aircraft preflight - inadequatePilot in commandCause
Loss of control - in flightTakeoff - initial climb
Airspeed - not attainedPilot in commandCause
Stall/mush - inadvertentPilot in commandCause
In flight collision with objectTakeoff - initial climb
Object - tree(s)Factor

Analysis

The pilot stated that during the initial climbout the aircraft lost power, stalled, and crashed into a row of trees near the lake. The pilot also stated it was fuel contamination which caused a partial power loss.

Aircraft

Registration
N82171
Reported as
Aeronca 7AC
Category
Airplane
Serial number
7AC797
Airframe hours
2,200
Engine
Lycoming O-235-C1, 115 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Ronald L. Williams
Registered owner
Ronald L Williams
Airworthiness certificate
Standard, Normal
Last inspection
Annual · October 6, 1986 · 40 hours before

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
43
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Expired
Seat
Front
Flight hours
1,500 total · 141 in this make and model · 1,500 as pilot in command · 25 in the last 90 days · 10 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
60 statute miles
Lowest ceiling
None
Temperature
55 °F, dew point 39 °F
Altimeter
29.00 inHg

FAA reports on this event · 1

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