ANC09CA082

NTSB accident investigation · Piper PA-18-150 · Kaktovik, AK · August 14, 2009

Accident · No injuriesData collectionFinal report
Date
August 14, 2009, 10:00 local (18:00 UTC)
Place
Kaktovik, AK
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N83278Piper PA-18-150
Defining event
Takeoff: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report December 29, 2009
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA FSDO
FAA report
20090814048259A
Case key
74533

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 pilot's selection of unsuitable terrain for takeoff, which resulted in a loss of control and collision with terrain.

Findings · 3

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedPiper PA-18-150: 98 casesAll aircraft: 3,958 casesProbable cause
Terrain: rough terrainEnvironmental issues › Physical environment · Decision related to conditionPiper PA-18-150: 19 casesAll aircraft: 442 cases

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The airline transport pilot was on a Title 14, CFR Part 91, personal cross-country flight when the accident occurred. The pilot said during takeoff from an off-airport site, the airplane hit a bump and became airborne prematurely. When the airplane settled to the ground, she said the right main landing gear wheel landed in a depression, and the right main landing gear collapsed. The pilot said the right wing struck the ground, and the airplane veered to the right. The left main landing gear which collapsed, side-loading allowing the left wing to hit the ground. She said there were no known mechanical problems with the airplane prior to the accident. She said the airplane sustained substantial damage to both wings.

Factual narrative

The airline transport pilot was on a Title 14, CFR Part 91, personal cross-country flight when the accident occurred. The pilot said during takeoff from an off-airport site the airplane hit a bump, and became airborne prematurely. When the airplane settled to the ground, she said the right main landing gear wheel landed in a depression, and the right main landing gear collapsed. The pilot said the right wing struck the ground, and the airplane veered to the right, side-loading the left main landing gear which collapsed, allowing the left wing to hit the ground. She said there were no known mechanical problems with the airplane prior to the accident. She said the airplane sustained substantial damage to both wings. Due to the remote location the airplane has not been examined by the NTSB. The pilot did not submit the required 6120.1 Pilot/Operator Aircraft Accident/Incident Report.

Aircraft

Registration
N83278
Reported as
Piper PA-18-150
Category
Airplane
Serial number
18-7709047
Engine
Lycoming O-320 SERIES, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Mkt LLC, doing business as Alaska Flyers
Registered owner
Mkt LLC
Airworthiness certificate
Standard, Normal
Departed
Kaktovik, AK
Destination
Barter Island, AK
Flight plan
Company VFR

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
39
Injuries
None
Certificate
Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Medical
Class 2, With waivers/limitations
Seat
Front
Flight hours
2,500 total · 500 in this make and model

Weather

Conditions
Visual (VMC) · Day
Visibility
10 statute miles

Docket · 1

The files NTSB released with the investigation on October 25, 2009, on NTSB’s docket system: statements, records, photos and specialists’ reports. 40 KB in all.

FAA reports on this event · 1

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

Other investigations on N83278 · 1

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