ANC12CA069

NTSB accident investigation · Piper PA-18-150 · Skwentna, AK · July 6, 2012

Accident · No injuriesData collectionFinal report
Date
July 6, 2012, 12:40 local (20:40 UTC)
Place
Skwentna, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N623JEPiper PA-18-150
Defining event
Landing-landing roll: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report October 9, 2012
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA Anchorage FSDO
FAA report
20120706013389A
Case key
84252

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Probable cause

The pilot's selection of an unsuitable off-airport landing site, which resulted in a loss of control during the landing roll.

Findings · 2

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.

Runway/land/takeoff/taxi surfaceEnvironmental issues › Physical environment · Awareness of conditionPiper PA-18-150: 11 casesAll aircraft: 253 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 pilot was landing his tailwheel-equipped airplane at an off-airport site when the left main landing gear hit a hole and the airplane ground looped, which resulted in substantial damage to the left wing. The pilot said that there were no preaccident mechanical anomalies with airplane.

Factual narrative

The pilot was landing his tailwheel-equipped airplane at an off-airport site when the left main landing gear hit a hole, and the airplane ground looped, sustaining substantial damage to the left wing. The pilot said there were no preaccident mechanical anomalies with airplane. The pilot provided a written statement of events, but did not fill out the National Transportation Safety Board Accident/Incident Reporting Form 6120.1.

Aircraft

Registration
N623JE
Reported as
Piper PA-18-150
Category
Airplane
Serial number
18-8272
Engine
Lycoming O-320 SERIES, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Departed
Anchorage, AK
Destination
Skwentna, 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
62
Injuries
None
Certificate
Private
Airplane ratings
Single-engine sea, Single-engine land
Medical
Class 3, With waivers/limitations
Seat
Front
Flight hours
3,500 total · 1,700 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
10 statute miles
Lowest ceiling
6,500 ft broken
Temperature
55 °F, dew point 48 °F
Altimeter
29.82 inHg
Observed at
PATK, 37 nm away

Docket · 1

The files NTSB released with the investigation on August 22, 2012, on NTSB’s docket system: statements, records, photos and specialists’ reports. 63 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.