Casualties unknown

Private Pilot's Tundra Takeoff Ends in Downdraft-Induced Ground Strike (N3996Z)

False Pass, AK, US

On March 19, 2005, a Piper PA-18 (registration N3996Z) was involved in an aviation accident near False Pass, AK. Investigators recorded the probable cause as: The pilot's inadequate compensation for the wind conditions during the initial climb after takeoff, which resulted in a collision with the ground and subsequent nose over. 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 private pilot experienced a downdraft just after liftoff from a tundra strip, causing the left wing to strike the ground and the airplane to nose over, resulting in substantial damage.

Accident Overview

A private certificated pilot was conducting a departure from an open area of tundra, which measured approximately 800 feet long by 600 feet wide. According to the pilot, the wind was from the southeast at an estimated 10 to 15 knots, and he initiated the takeoff in a southeast direction.

Sequence of Events

The pilot reported that just after liftoff, while the airplane was only a few feet in the air, it encountered a downdraft. The left wing then struck the ground, causing the airplane to collide with the terrain and subsequently nose over.

Aircraft Damage

As a result of the accident, the airplane sustained damage to both wings, the fuselage, the empennage, and the propeller.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20050408X00432. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.