1969-09-06: De Havilland DHC-6 Twin Otter — Interior Airways — Sagwon, United States of America

2 fatalities • Sagwon, United States of America • Landing (descent or approach)

Probable cause

Improper IFR operation on behalf of the crew which resulted in an uncontrolled collision with ground. The following factors were considered as contributing: - Low ceiling, - Weather considerably worse than forecast.

— NTSB Determination

Accident narrative

On final approach to Sagwon on a cargo flight from Fairbanks, the crew encountered poor weather conditions with low clouds. While descending to a height of 175 feet, the aircraft struck the ground in an approximately 30° bank near level pitch attitude and crashed. Both crew members were killed.

Probable cause (official findings): Improper IFR operation on behalf of the crew which resulted in an uncontrolled collision with ground. The following factors were considered as contributing: - Low ceiling, - Weather considerably worse than forecast.

Frequently asked questions

What happened in the 1969-09-06 De Havilland DHC-6 Twin Otter accident near Sagwon, United States of America?

On final approach to Sagwon on a cargo flight from Fairbanks, the crew encountered poor weather conditions with low clouds. While descending to a height of 175 feet, the aircraft struck the ground in an approximately 30° bank near level pitch attitude and crashed. Both crew members were killed. Probable cause…

Were there any fatalities in the 1969-09-06 De Havilland DHC-6 Twin Otter accident?

The accident was fatal, resulting in 2 fatalities.

What aircraft was involved and where did it happen?

The accident on 1969-09-06 involved a De Havilland DHC-6 Twin Otter, registration N2711N, operated by Interior Airways, at Sagwon, United States of America.

What was the probable cause of the accident?

Improper IFR operation on behalf of the crew which resulted in an uncontrolled collision with ground. The following factors were considered as contributing: - Low ceiling, - Weather considerably worse than forecast.

Loading the flight search…