Casualties unknown

2001-01-07: Cessna 152 (N108ES) — Spanish Fork, UT

Spanish Fork, UT, US

On January 7, 2001, a Cessna 152 (registration N108ES) was involved in an aviation accident near Spanish Fork, UT. Investigators recorded the probable cause as: Improper weather evaluation by both the pilot and pilot/passenger, and the pilot's inadvertent VFR flight into IMC resulting in his spatial disorientation. Factors were the pilot rated passenger's spatial disorientation, fog, and night conditions. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 8 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

During a night flight, both the pilot and pilot-rated passenger lost sight of the ground and horizon after takeoff. The airplane descended and impacted a frozen lake, skidding 300 feet before falling through the ice. Neither pilot was instrument rated.

Accident Overview

A pilot and a pilot-rated passenger conducted a local night flight after assessing the weather conditions. The pilot estimated the visibility at 5 miles. Shortly after takeoff, both individuals lost sight of the ground and the horizon.

Pilot and Passenger Accounts

The pilot reported that he felt the passenger/pilot grab the control yoke. When asked, the passenger stated he felt the airplane was turning. The pilot then noticed they were descending. The pilot-rated passenger described being disoriented and said the pilot thought they should descend a little. They were descending when the airplane struck the lake, and they did not see it coming. The passenger made no mention of interfering with the controls. Neither pilot held an instrument rating.

Impact and Witness Observations

The airplane impacted a frozen lake, skidded approximately 300 feet, and then fell through the ice. A witness reported that the visibility was 2 miles in fog at the time of the accident.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20010126X00362. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.