Casualties unknown

Cessna 172 Spins After Wing Strikes Tree During Creek Bed Taxi (N7489D)

Chickaloon, AK, US

On August 24, 2002, a Piper PA-18 (registration N7489D) was involved in an aviation accident near Chickaloon, AK. Investigators recorded the probable cause as: The pilot's decision to taxi too fast for the terrain conditions, which resulted in the right wing striking a tree and subsequent loss of control. 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 2026-06-10Data APIEditorial standards

A pilot taxiing for takeoff on a creek bed after an unloading stop struck a tree with his right wing, causing a sharp spin and landing gear collapse.

What happened

The pilot reported that he had landed on a creek bed to unload a passenger and supplies. After completing the unloading, he began taxiing for takeoff with the intention of retrieving another load of supplies. During this maneuver, his right wing struck a tree.

The impact caused the airplane to spin sharply to the right. As a result of the spin, the left main landing gear collapsed, and the left wing subsequently struck the ground. The pilot indicated that he was likely taxiing too fast for the terrain conditions and had a tailwind at the time of the incident.

The investigation

Examination of the airplane revealed damage to the left wing spar and the landing gear.

Probable cause

The pilot's decision to taxi too fast for the terrain conditions, which resulted in the right wing striking a tree and subsequent loss of control.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20020904X01514. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.