ANC83LA184

NTSB accident investigation · Piper PA-18 · Port Alsworth, AK · September 23, 1983

Accident · No injuriesLimited investigationFinal report
Date
September 23, 1983, 08:30 local (16:30 UTC)
Place
Port Alsworth, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N3873ZPiper PA-18
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19830923053909A
Case key
4179

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.

In flight collision with terrain/waterManeuvering
In-flight planning/decision - improperPilot in commandCause
Weather condition - high windFactor
Weather condition - gustsFactor
Weather condition - windshearFactor
Weather condition - downdraftFactor
Weather condition - turbulenceFactor
Terrain condition - mountainous/hillyFactor
Clearance - not maintainedPilot in commandCause

Analysis

Reportedly, the plt was looking at an area in mountainous terrain near an off arpt landing area when he encountered windshear & a downdraft while turning. He stated that the alft dropped 400 ft & he applied full power; however, the left wing struck the ground before he could recover. The acft then cartwheeled & came to rest upside down. The plt reported that there was turbulence & the wind was from 360 deg at 30 gusting 35 KTS.

Aircraft

Registration
N3873Z
Reported as
Piper PA-18
Category
Airplane
Serial number
18-7661
Airframe hours
3,489
Engine
Lycoming O-320, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
John Michael Rank
Registered owner
Nelson J. Stimaker
Airworthiness certificate
Standard, Normal
Last inspection
Annual · December 16, 1982 · 160 hours before
Departed
Z30 · Port Alsworth, AK

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
36
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine sea, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Front
Flight hours
2,114 total · 1,016 in this make and model · 1,971 as pilot in command · 376 in the last 90 days · 120 in the last 30 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
360° at 30 knots, gusting 35
Visibility
15 statute miles
Lowest ceiling
None
Temperature
30 °F

FAA reports on this event · 1

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