Dillingham - Lake Chikuminuk

The commercial pilot departed under special VFR conditions on a CFR part 135 flight for a remote lake. During the flight, low clouds, rain, and fog were present in an area of mountainous terrain along the route of flight. The pilot stated that he intended to utilize a narrow mountain pass to transit the area, and as he entered the mountain pass, discovered that the ceiling and visibility would not allow safe passage. He said that he made an emergency 180 degree turn in an attempt to exit the pass, and subsequently collided with terrain. After initial impact, the airplane slid downhill about 100 feet, and came to rest on a 35 degree slope. The pilot stated that weather conditions at the time of the accident consisted of: Ceiling, 500 foot overcast; visibility, 2 miles with rain and fog; wind 360 degrees, at 8 knots. The pilot noted that there were no pre accident anomalies with the airplane.

Flight / Schedule

Dillingham - Lake Chikuminuk

Registration

N139F

MSN

1375

Year of Manufacture

1944

Date

September 2, 1998 at 10:02 AM

Type

CRASH

Flight Type

Charter/Taxi (Non Scheduled Revenue Flight)

Flight Phase

Flight

Crash Site

Mountains

Crash Location

New Stuyahok Alaska

Region

North America • United States of America

Coordinates

59.4513°, -157.3147°

Crash Cause

Human factor

Narrative Report

On September 2, 1998 at 10:02 AM, Dillingham - Lake Chikuminuk experienced a crash involving Grumman G-44 Widgeon, operated by Fresh Water Adventures, with the event recorded near New Stuyahok Alaska.

The flight was categorized as charter/taxi (non scheduled revenue flight) and the reported phase was flight at a mountains crash site.

3 people were known to be on board, 0 fatalities were recorded, 3 survivors were identified or estimated. This corresponds to an estimated fatality rate of 0.0%.

Crew on board: 2, crew fatalities: 0, passengers on board: 1, passenger fatalities: 0, other fatalities: 0.

The listed crash cause is human factor. The commercial pilot departed under special VFR conditions on a CFR part 135 flight for a remote lake. During the flight, low clouds, rain, and fog were present in an area of mountainous terrain along the route of flight. The pilot stated that he intended to utilize a narrow mountain pass to transit the area, and as he entered the mountain pass, discovered that the ceiling and visibility would not allow safe passage. He said that he made an emergency 180 degree turn in an attempt to exit the pass, and subsequently collided with terrain. After initial impact, the airplane slid downhill about 100 feet, and came to rest on a 35 degree slope. The pilot stated that weather conditions at the time of the accident consisted of: Ceiling, 500 foot overcast; visibility, 2 miles with rain and fog; wind 360 degrees, at 8 knots. The pilot noted that there were no pre accident anomalies with the airplane.

Aircraft reference details include registration N139F, MSN 1375, year of manufacture 1944.

Geospatial coordinates for this crash are approximately 59.4513°, -157.3147°.

Fatalities

Total

0

Crew

0

Passengers

0

Other

0

Crash Summary

The commercial pilot departed under special VFR conditions on a CFR part 135 flight for a remote lake. During the flight, low clouds, rain, and fog were present in an area of mountainous terrain along the route of flight. The pilot stated that he intended to utilize a narrow mountain pass to transit the area, and as he entered the mountain pass, discovered that the ceiling and visibility would not allow safe passage. He said that he made an emergency 180 degree turn in an attempt to exit the pass, and subsequently collided with terrain. After initial impact, the airplane slid downhill about 100 feet, and came to rest on a 35 degree slope. The pilot stated that weather conditions at the time of the accident consisted of: Ceiling, 500 foot overcast; visibility, 2 miles with rain and fog; wind 360 degrees, at 8 knots. The pilot noted that there were no pre accident anomalies with the airplane.

Cause: Human factor

Occupants & Outcome

Crew On Board

2

Passengers On Board

1

Estimated Survivors

3

Fatality Rate

0.0%

Known people on board: 3

Operational Details

Schedule / Flight

Dillingham - Lake Chikuminuk

Flight Type

Charter/Taxi (Non Scheduled Revenue Flight)

Flight Phase

Flight

Crash Site

Mountains

Region / Country

North America • United States of America

Aircraft Details

Registration

N139F

MSN

1375

Year of Manufacture

1944