ANC90LA143

NTSB accident investigation · Piper PA-18-150 · Aniak, AK · August 12, 1990

Accident · FatalLimited investigationFinal report
Date
August 12, 1990, 00:00 local (08:00 UTC)
Place
Aniak, AK
Injuries
2 fatal
Damage
Substantial damage
Phase of flight
Unknown
Aircraft
N3946ZPiper PA-18-150
Weather
Visual (VMC) · Day
Status
Completed · report October 2, 1992
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Case key
5427

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

Pilot lost control of the airplane as a result of encountering severe weather either during takeoff or landing. Contributing to the accident was the severe weather, rough water surface, and self-induced pressure to fly by the pilot.

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.

In flight encounter with weatherUnknown
Weather condition - high windCause
Weather condition - gustsCause
Weather condition - water,roughCause
Directional control - not maintainedPilot in commandCause
In flight collision with terrain/waterUnknown
Terrain condition - water,roughCause
Nose overUnknown

Analysis

The float-equipped airplane was found floating upside down in a lake where the pilot and passenger had been hunting. Strong winds, rough swells, and water spouts reportedly existed.

Aircraft

Registration
N3946Z
Reported as
Piper PA-18-150
Category
Airplane
Serial number
18-7804
Engine
Lycoming O-320-A2B, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
James O. Ekstedt
Last inspection
Annual · August 25, 1989
Airport
NONE

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
62
Certificate
Private
Airplane ratings
Single-engine sea, Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Toxicology
Performed
Flight hours
5,100 total

Weather

Conditions
Visual (VMC) · Day
Wind
70° at 30 knots, gusting 40
Visibility
3 statute miles
Temperature
55 °F, dew point -0 °F

Other investigations on N3946Z · 1

Matched to the same aircraft by N-number and date.