Casualties unknown

Aircraft Crashes into Utah Lake During Night Approach (N8580S)

Provo, UT, US

On December 2, 1984, a Cessna 182H (registration N8580S) was involved in an aviation accident near Provo, UT. 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 private pilot being checked out in a club aircraft and a commercial pilot lost control while maneuvering for spacing on final approach to Runway 31 at Provo Airport, crashing into Utah Lake.

Accident Overview

The accident occurred over Utah Lake during a dark night as the aircraft was on final approach to Runway 31 at Provo Airport (PVU). The aircraft was being operated by a non-instrument rated private pilot in the left seat, who was undergoing a checkout in the flying club aircraft by a commercial pilot.

Sequence of Events

While on final approach, the flying pilot maneuvered the aircraft to achieve spacing from a second aircraft. A witness observed two aircraft over the lake. One of the aircraft, which was turning toward the airport, then descended straight down into the water.

Post-Accident Examination

Examination of the wreckage revealed that the aircraft contacted the water in a left-wing-low, nose-low attitude. The surrounding terrain to the northwest, west, and south provided no significant lighting that could be used for visual horizon reference.

Environmental Conditions

The accident took place at night over a large body of water (Utah Lake), with minimal ambient lighting from the surrounding terrain to serve as a visual horizon reference.

Frequently asked questions

What happened in the 2 Dec 1984 Cessna 182H accident near Provo, UT?

A private pilot being checked out in a club aircraft and a commercial pilot lost control while maneuvering for spacing on final approach to Runway 31 at Provo Airport, crashing into Utah Lake.

What aircraft was involved and where did it happen?

The accident on 2 Dec 1984 involved a Cessna 182H, registration N8580S, at Provo, UT.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X41752. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.