Casualties unknown

1996-04-17: Cessna 170B (N39781) — Chicken, AK

Chicken, AK, US

On April 17, 1996, a Cessna 170B (registration N39781) was involved in an aviation accident near Chicken, AK. Investigators recorded the probable cause as: The first pilot's failure to maintain clearance with a tree. Factors in the accident were the first pilot's inadequate preflight planning and preparation and soft snow conditions. 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 1781061362Data APIEditorial standards

A private pilot and an airline transport pilot collided with a tree during takeoff from a 1,400-foot snow airstrip. The left wing struck a tree, damaging the wing spar. The pilots had agreed on roles for directional control and flap operation.

Incident Overview

Two pilots, a certificated private pilot in the left seat and a certificated airline transport pilot/flight instructor in the right seat, were departing from a remote airstrip. The airstrip consisted of a 1,400-foot-long area of compacted snow with a soft and rough surface. The takeoff area sloped uphill approximately 1.5 degrees. The second pilot reported that the wind was from the east at about 10 knots, and the temperature was about 40 degrees Fahrenheit.

Pre-Takeoff Agreement

Before the takeoff, the pilots agreed on a division of responsibilities. The first pilot, in the left seat, was to maintain directional control of the airplane during the takeoff roll. The second pilot, in the right seat, was to manipulate the flaps to shorten the airplane's takeoff roll.

Takeoff and Collision

During the takeoff roll, both pilots reported that they were focused in front of the airplane. The left wing of the airplane struck a tree, resulting in damage to the wing spar.

Pilot Reports

The second pilot provided information about the wind, temperature, and slope. No other details about the aircraft, registration, or occupants were reported in the source. No injuries were mentioned, and no causal factors or conclusions were provided beyond the events described.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001208X05500. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.