ANC11CA086

NTSB accident investigation · Piper PA-18-150 · Beluga Lake, AK · August 25, 2011

Accident · No injuriesData collectionFinal report
Date
August 24, 2011, 19:10 local (Aug 25, 2011, 03:10 UTC)
Place
Beluga Lake, AK
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N8491YPiper PA-18-150
Defining event
Takeoff: Loss of control in flight
Weather
Visual (VMC) · Day
Status
Completed · report October 17, 2011
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA - Anchorage FSDO
FAA report
20110824021599A
Case key
81599

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 decision to takeoff with an unfavorable wind which resulted in a loss of directional 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
Wind: gustsEnvironmental issues › Conditions/weather/phenomena · Contributed to outcomePiper PA-18-150: 34 casesAll aircraft: 1,199 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

According to the pilot, during takeoff, a gust of wind lifted the airplane's left wing and the right wing struck the ground. The airplane sustained substantial damage to the left wing and empennage. The pilot said there were no mechanical problems with the airplane, and that the accident could have been avoided had he waited for more favorable wind conditions.

Factual narrative

The pilot lost control of the airplane shortly after liftoff, when a gust of wind lifted the left wing and the right wing struck the ground. The airplane sustained substantial damage to the left wing and empennage. The pilot said there were no mechanical problems with the airplane, and that the accident could have been avoided had he waited for more favorable wind conditions.

Aircraft

Registration
N8491Y
Reported as
Piper PA-18-150
Category
Airplane
Serial number
18-8880
Airframe hours
4,615
Engine
Lycoming O-320 SERIES, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
William M. Toney, II
Registered owner
Toney William M
Airworthiness certificate
Standard, Normal
Last inspection
Annual · May 16, 2011 · 15 hours before
Departed
Beluga Lake, AK
Destination
AA06 · Anchorage, AK
Flight plan
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
45
Injuries
None
Certificates
Military, Airline transport
Airplane ratings
Multi-engine land, Single-engine land, Single-engine sea
Instrument ratings
Airplane
Medical
Class 1, With waivers/limitations
Last flight review
April 9, 2011
Seat
Front
Flight hours
11,300 total · 185 in this make and model · 4,800 as pilot in command · 193 in the last 90 days · 66 in the last 30 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
15 knots, gusting 20
Visibility
5 statute miles
Lowest ceiling
1,000 ft overcast
Temperature
50 °F

Docket · 1

The files NTSB released with the investigation on September 1, 2011, on NTSB’s docket system: statements, records, photos and specialists’ reports. 564 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.