Casualties unknown

Takeoff from Grass Strip Ends in Tree Strike (N4478L)

Kettle Falls, WA, US

On July 25, 1996, a Cessna 172G (registration N4478L) was involved in an aviation accident near Kettle Falls, WA. Investigators recorded the probable cause as: the pilot's inadequate preflight planning. Factors relating to the accident were: high ambient temperatures; departing from a short, grass runway; and tall trees off the departure end of the airstrip. 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 2026-07-04Data APIEditorial standards

A pilot initiated a takeoff from a 1,850-foot grass airstrip at 82°F. The aircraft barely cleared trees at the runway end, then settled into trees about a quarter-mile away. Density altitude was calculated at 3,000 feet.

Incident Overview

A pilot conducted a takeoff from a grass airstrip measuring 1,850 feet in length. The ambient temperature at the time was approximately 82 degrees Fahrenheit. During the departure, the aircraft barely cleared the trees located at the end of the runway. Shortly thereafter, the aircraft settled into trees approximately one-quarter mile from the end of the airstrip.

Pilot Comments

The pilot reported that there were no problems with the aircraft's engine during the takeoff or subsequent flight. Later, the pilot stated that he should have either waited for lower temperatures before taking off or reduced the fuel load prior to departure.

Density Altitude

Subsequent calculations determined that the density altitude at the time of the event was approximately 3,000 feet.

Damage

The aircraft sustained damage from contact with the trees. No further details about the extent of damage were provided.

Frequently asked questions

What happened in the 25 Jul 1996 Cessna 172G accident near Kettle Falls, WA?

A pilot initiated a takeoff from a 1,850-foot grass airstrip at 82°F. The aircraft barely cleared trees at the runway end, then settled into trees about a quarter-mile away. Density altitude was calculated at 3,000 feet.

What aircraft was involved and where did it happen?

The accident on 25 Jul 1996 involved a Cessna 172G, registration N4478L, at Kettle Falls, WA.

What was the probable cause of the accident?

the pilot's inadequate preflight planning. Factors relating to the accident were: high ambient temperatures; departing from a short, grass runway; and tall trees off the departure end of the airstrip.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001208X06381. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.