Wednesday, September 15, 2021

Stinson 108-3 Voyager, N6476M: Accident occurred September 12, 2021 at Port Alsworth Airport (PALJ), Alaska

This is preliminary information, subject to change, and may contain errors. Any errors in this report will be corrected when the final report has been completed.

The National Transportation Safety Board did not travel to the scene of this accident.

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Anchorage, Alaska

Location: Port Alsworth, AK 
Accident Number: ANC21LA086
Date & Time: September 12, 2021, 09:00 Local 
Registration: N6476M
Aircraft: Stinson 108-3 
Injuries: 1 None
Flight Conducted Under: Part 91: General aviation - Personal

On September 12, 2021, about 0900 Alaska daylight time, a Stinson 108-3 airplane, N6476M, was substantially damaged when it was involved in an accident near Port Alsworth, Alaska. The pilot was not injured. The airplane was operated by the pilot as a Title 14 Code of Federal Regulations Part 91 personal flight.

The pilot reported that he was landing at his private airstrip, and after touchdown, during the landing roll, the right brake “went flat” as he applied the brakes to slow the airplane’s ground roll. The airplane subsequently veered to the left, impacted a stump, and then it nosed over, sustaining substantial damage to the fuselage and left wing.

The airplane was equipped with Cleveland 30-52 double puck brakes.

An initial postaccident examination by the pilot revealed the right brake torque plate had fractured. A detailed examination of the torque plate is pending.

Aircraft and Owner/Operator Information

Aircraft Make: Stinson 
Registration: N6476M
Model/Series: 108-3
Aircraft Category: Airplane
Amateur Built:
Operator: On file
Operating Certificate(s) Held: None
Operator Designator Code:

Meteorological Information and Flight Plan

Conditions at Accident Site: VMC 
Condition of Light: Day
Observation Facility, Elevation: PALJ,260 ft msl 
Observation Time: 08:53 Local
Distance from Accident Site: 0 Nautical Miles
Temperature/Dew Point: 12°C /7°C
Lowest Cloud Condition:
Wind Speed/Gusts, Direction: 8 knots / , 70°
Lowest Ceiling: Broken / 8000 ft AGL 
Visibility: 30 miles
Altimeter Setting: 29.58 inches Hg
Type of Flight Plan Filed: None
Departure Point: Port Alsworth, AK 
Destination: Port Alsworth, AK

Wreckage and Impact Information

Crew Injuries: 1 None 
Aircraft Damage: Substantial
Passenger Injuries:
Aircraft Fire: None
Ground Injuries: 
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude: 60.2,-154.32

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