ANC12CA076

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

Accident · No injuriesData collectionFinal report
Date
July 18, 2012, 15:20 local (23:20 UTC)
Place
Whittier, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N3764ZPiper PA-18-150
Defining event
Landing-landing roll: Collision during takeoff/land
Weather
Visual (VMC) · Day
Status
Completed · report October 9, 2012
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA FSDO-03
FAA report
20120718015229A
Case key
84377

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 failure to maintain clearance from brush during landing, which resulted in a loss of control.

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.

Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotPiper PA-18-150: 160 casesAll aircraft: 9,295 casesProbable cause
Object/animal/substance: tree(s)Environmental issues › Physical environment · Contributed to outcomePiper PA-18-150: 19 casesAll aircraft: 933 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 reported that, while landing on a remote gravel bar, the right wingtip of the airplane struck brush, and the airplane ground looped to the right. During the ground loop, the left wing dragged on the ground, which resulted in substantial damage to the left wing.

Factual narrative

The pilot reported that while landing on a remote gravel bar, the right wingtip of the airplane struck brush, resulting in a ground loop to the right. During the ground loop, the left wing dragged on the ground resulting in substantial damage to the left wing.

Aircraft

Registration
N3764Z
Reported as
Piper PA-18-150
Category
Airplane
Serial number
18-7527
Airframe hours
4,328
Engine
Lycoming O-320 SERIES, 160 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Williams Michael J
Registered owner
Williams Michael J
Airworthiness certificate
Standard, Normal
Last inspection
Annual · August 18, 2011
Departed
4AK6 · Wolf Lake, AK
Destination
Whittier, 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
53
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Without waivers/limitations
Last flight review
September 21, 2011
Seat
Front
Flight hours
534 total · 310 in this make and model · 508 as pilot in command · 22 in the last 90 days · 16 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
60 statute miles
Lowest ceiling
None
Temperature
64 °F

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 N3764Z · 2

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