Floatplane strike with shoreline during takeoff

Casualties unknown • Anaktuvuk Pass, AK, US

A float-equipped aircraft struck a lakeshore during takeoff, leading to structural failure upon landing at a destination airport.

What happened

A pilot operating under Title 14, CFR Part 135 was transporting passengers from a remote lake in a float-equipped airplane. During the takeoff sequence, the pilot reached a predetermined point where an aborted takeoff would no longer be possible without striking the shoreline. To avoid hitting the shore, the pilot continued the takeoff attempt and successfully became airborne; however, the aircraft's floats struck the edge of the lake immediately after liftoff.

Following the impact, the pilot expressed concern regarding potential damage to the float structure. Consequently, the pilot elected to divert the flight and land on a hard surface runway at the destination airport. During this landing, the float structure collapsed, resulting in substantial damage to the fuselage. There were no injuries reported.

The investigation

The investigation found no mechanical anomalies with the aircraft prior to the accident.

Probable cause

The pilot continued the takeoff after passing the point of no return to avoid striking the shoreline, which resulted in the floats contacting the shore and subsequent structural failure during landing.

Frequently asked questions

What happened in the 2006-08-02 DE Havilland DHC-2 MK.1 accident near Anaktuvuk Pass, AK?

A float-equipped aircraft struck a lakeshore during takeoff, leading to structural failure upon landing at a destination airport.

What aircraft was involved and where did it happen?

The accident on 2006-08-02 involved a DE Havilland DHC-2 MK.1, registration N4040W, operated by Brooks Range Aviation Inc, at Anaktuvuk Pass, AK.

What was the probable cause of the accident?

The pilot continued the takeoff after passing the point of no return to avoid striking the shoreline, which resulted in the floats contacting the shore and subsequent structural failure during landing.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20060817X01200. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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