Casualties unknown

2001-06-28: Grumman G-164 (N364Y) — Valley Aviation — Willow, AK

Willow, AK, US

On June 28, 2001, a Grumman G-164 (registration N364Y) operated by Valley Aviation was involved in an aviation accident near Willow, AK. Investigators recorded the probable cause as: A loss of engine power for an undetermined reason. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 3 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 1781061362Data APIEditorial standards

A certificated commercial pilot loaded 300 gallons of diesel fuel into the hopper tank. During departure, engine power loss occurred at 75 feet. The airplane landed, overran the runway, and struck trees. Estimated gross weight was 700 pounds over maximum.

Accident Overview

A certificated commercial pilot was operating an accident airplane during a departure from runway 31. The pilot had loaded approximately 300 gallons of diesel fuel into the airplane's hopper tank. During the climb, about 75 feet above the runway, the pilot reported that the engine began to lose power. Emergency engine procedures were attempted but did not restore power.

Sequence of Events

The airplane subsequently landed back on the runway, approximately 100 feet from the threshold. It continued off the end of the runway and collided with a stand of trees. A witness reported that the engine appeared to be operating normally as the airplane climbed to about 50 feet above the runway, after which it eventually settled back onto the runway.

Weight Assessment

A Federal Aviation Administration (FAA) inspector, in conjunction with the accident pilot, estimated the gross weight of the accident airplane during the accident flight to be approximately 700 pounds over the maximum allowable gross weight.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20010712X01403. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.