No fatalities

Crosswind Gust Lifts Wing, Aircraft Noses Over After Departing Runway (N79169)

Sheldon Point, AK, US

On July 29, 1999, a Cessna 172 (registration N79169) operated by Grant Aviation was involved in an aviation accident near Sheldon Point, AK. No fatalities were reported. Investigators recorded the probable cause as: The pilot's inadequate compensation for the gusty crosswind conditions during takeoff. Factors associated with the accident were a crosswind, and wind gusts. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 9 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

During a gusty crosswind takeoff, a gust lifted the left wing, forcing the aircraft off the runway and down an embankment, where it nosed over. The pilot reported no preaccident mechanical issues.

Incident Overview

The solo airline transport pilot was attempting a takeoff in gusty wind conditions with a 90-degree left crosswind. The pilot estimated the wind velocity at 18 knots, gusting to 23 knots.

Sequence of Events

During the takeoff roll, a gust of wind lifted the left wing, causing the aircraft to veer to the right. The aircraft departed the runway, continued down an embankment, and nosed over. The pilot stated that there were no preaccident mechanical problems with the airplane.

Pilot Report

The pilot reported that the crosswind was from 90 degrees left of the takeoff direction, and that the wind was gusty. He attributed the loss of directional control to the gust that lifted the left wing.

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Frequently asked questions

What happened in the 29 Jul 1999 Cessna 172 accident near Sheldon Point, AK?

During a gusty crosswind takeoff, a gust lifted the left wing, forcing the aircraft off the runway and down an embankment, where it nosed over. The pilot reported no preaccident mechanical issues.

Were there any fatalities in the 29 Jul 1999 Cessna 172 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 29 Jul 1999 involved a Cessna 172, registration N79169, operated by Grant Aviation, at Sheldon Point, AK.

What was the probable cause of the accident?

The pilot's inadequate compensation for the gusty crosswind conditions during takeoff. Factors associated with the accident were a crosswind, and wind gusts.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X19141. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.