Casualties unknown

Airplane Strikes Tidal Ravine After Landing in Restricted Area (N8466Y)

FT Richardson, AK, US

On July 8, 1994, a Piper PA-18-150 (registration N8466Y) was involved in an aviation accident near FT Richardson, AK. Investigators recorded the probable cause as: THE PILOT'S SELECTION OF UNSUITABLE TERRAIN FOR LANDING. A FACTOR WHICH CONTRIBUTED TO THE ACCIDENT WAS THE PILOT'S IMPAIRMENT. 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 pilot landed an airplane adjacent to flags in a restricted area on Ft. Richardson, striking a tidal ravine and collapsing the main gear. The pilot failed a field sobriety test and refused blood or urine tests.

Incident Details

The pilot stated that he saw people in a boat in Knik Arm and thought they needed help. He believed he saw a marked runway, so he landed next to the flags. The landing area was adjacent to a survey line in a restricted area within the Ft. Richardson Artillery Impact Area.

Landing and Damage

During the landing roll, the airplane struck a tidal ravine. The main gear collapsed, and both wings bent downward with the wingtips touching the ground.

Sobriety Testing

The pilot failed a field sobriety test administered by the Ft. Richardson Military Police. They administered an HGN (Horizontal Gaze Nystagmus) test, and during the test the pilot's eyes displayed a lack of smooth pursuit, and maximum deviation occurred at 35%. The pilot would not submit to blood or urine tests.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001206X01638. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.