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Casualties unknown

Landing Gear Failure During Off-Airport Landing (N2940K)

Port Alsworth, AK, US

On September 15, 1995, a Cessna 180 (registration N2940K) was involved in an aviation accident near Port Alsworth, AK. Investigators recorded the probable cause as: Failure of the main landing gear wheel that had been modified for a tundra tire. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-06-19Data APIEditorial standards

The pilot reported a landing gear failure while landing at an off-airport site. The left main wheel split during rollout, causing the nose to dig in and the aircraft to nosedown.

What happened

The pilot reported that he was attempting to land his airplane at an off-airport site. The aircraft's main landing gear wheels had been modified to accept oversize tundra tires. During the landing roll, the left wheel split apart and separated from the main landing gear leg. The left main landing gear stub subsequently dug into the ground, and the airplane nosed down.

The investigation

The pilot reported that he was attempting to land his airplane at an off-airport site. The aircraft's main landing gear wheels had been modified to accept oversize tundra tires. During the landing roll, the left wheel split apart and separated from the main landing gear leg. The left main landing gear stub subsequently dug into the ground, and the airplane nosed down.

Findings

The pilot reported that he was attempting to land his airplane at an off-airport site. The aircraft's main landing gear wheels had been modified to accept oversize tundra tires. During the landing roll, the left wheel split apart and separated from the main landing gear leg. The left main landing gear stub subsequently dug into the ground, and the airplane nosed down.

Structural failure

Frequently asked questions

What happened in the 15 Sept 1995 Cessna 180 accident near Port Alsworth, AK?

The pilot reported a landing gear failure while landing at an off-airport site. The left main wheel split during rollout, causing the nose to dig in and the aircraft to nosedown.

What aircraft was involved and where did it happen?

The accident on 15 Sept 1995 involved a Cessna 180, registration N2940K, at Port Alsworth, AK.

What was the probable cause of the accident?

Failure of the main landing gear wheel that had been modified for a tundra tire.

More accident analyses

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001207X04410. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.