ANC07CA074

NTSB accident investigation · Piper PA-18 · King Salmon, AK · August 7, 2007

Accident · No injuriesData collectionFinal report
Date
August 6, 2007, 16:45 local (Aug 7, 2007, 00:45 UTC)
Place
King Salmon, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N39302Piper PA-18
Weather
Visual (VMC) · Day
Status
Completed · report December 20, 2007
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
Anchorage FSDO
Case key
66389

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 inadequate compensation for a crosswind during the takeoff roll, which resulted in a loss of control, and an on-ground encounter with terrain. A factor in the accident was a crosswind.

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.

Loss of control - on ground/waterTakeoff - roll/run
Compensation for wind conditions - inadequatePilot in commandCause
Weather condition - crosswindFactor
On ground/water encounter with terrain/waterTakeoff - roll/run
Terrain condition - ground

Analysis

The commercial certificated pilot was departing from an off-airport site in a tailwheel-equipped airplane in a left crosswind during a Title 14, CFR Part 91 personal flight. The pilot reported that during the northwesterly takeoff roll, the airplane's left wing lifted and the right wing struck the ground, which pivoted the airplane to the right. The airplane sustained structural damage to the right wing and empennage. The pilot noted that there were no preaccident mechanical anomalies with the airplane.

Factual narrative

The commercial certificated pilot was departing from an off-airport site in a tailwheel-equipped airplane in a left crosswind during a Title 14, CFR Part 91 personal flight. The pilot reported that during the northwesterly takeoff roll, the airplane's left wing lifted and the right wing struck the ground, which pivoted the airplane to the right. The airplane sustained structural damage to the right wing and empennage. The pilot noted that there were no preaccident mechanical anomalies with the airplane. The pilot did not complete the NTSB Pilot/Operator Aircraft Report (NTSB Form 6120.1) as requested.

Aircraft

Registration
N39302
Reported as
Piper PA-18
Category
Airplane
Serial number
18-7777
Engine
Lycoming O-320, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
William H. Woodin
Registered owner
William H. Woodin
Airworthiness certificate
Standard, Normal
Departed
King Salmon, AK
Destination
AKN · King Salmon, AK
Airport
runway 270

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
53
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine sea, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Seat
Front
Flight hours
6,000 total · 100 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
270° at 18 knots, gusting 24
Visibility
10 statute miles
Lowest ceiling
1,100 ft broken
Temperature
59 °F, dew point 50 °F
Altimeter
30.25 inHg
Observed at
EII, 20 nm away