Casualties unknown

Light Aircraft Crashes in Mountainous Terrain During IMC (N2134M)

Bridgeport, CA, US

On January 30, 1986, a Piper PA-28-161 (registration N2134M) was involved in an aviation accident near Bridgeport, CA. Investigators recorded the probable cause as: The pilot's decision to continue flight into instrument meteorological conditions in mountainous terrain, which resulted in controlled flight into terrain. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 4 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-06-20Data APIEditorial standards

A light aircraft disappeared while flying under a cloud layer in instrument meteorological conditions over mountainous terrain, with wreckage found near Conway Summit.

What happened

The flight was operating over rugged, mountainous terrain when the pilot encountered instrument meteorological conditions (IMC) along the planned route. Visual reference was lost as weather conditions deteriorated.

A witness on the ground observed the aircraft flying at an altitude of approximately 200 feet above ground level beneath a cloud layer. Shortly after this observation, the aircraft disappeared from view while passing through a snow shower.

The investigation

Emergency search operations were initiated immediately following the loss of contact. Search teams located the wreckage later in the day after weather conditions improved sufficiently to allow for safe access to the area.

The crash site was identified at an elevation of 8,800 feet, located approximately one mile west of Conway Summit. The terrain at the location is characterized by steep slopes and significant vertical relief, which likely complicated the initial search efforts.

Findings

The primary factors contributing to the accident include the encounter with instrument meteorological conditions in mountainous terrain and the low altitude flight below cloud cover. The combination of reduced visibility and complex topography created hazardous flying conditions that exceeded the operational limits of the aircraft or pilot capabilities at that time.

Safety message

Pilots operating in mountainous regions must remain vigilant for rapidly changing weather conditions. Flying below cloud layers in IMC presents extreme risks due to potential terrain collision and spatial disorientation. Strict adherence to instrument flight rules and maintaining safe altitudes above obstacles are critical for survival in such environments.

Probable cause

The pilot's decision to continue flight into instrument meteorological conditions in mountainous terrain, which resulted in controlled flight into terrain.

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Frequently asked questions

What happened in the 30 Jan 1986 Piper PA-28-161 accident near Bridgeport, CA?

A light aircraft disappeared while flying under a cloud layer in instrument meteorological conditions over mountainous terrain, with wreckage found near Conway Summit.

What aircraft was involved and where did it happen?

The accident on 30 Jan 1986 involved a Piper PA-28-161, registration N2134M, at Bridgeport, CA.

What was the probable cause of the accident?

The pilot's decision to continue flight into instrument meteorological conditions in mountainous terrain, which resulted in controlled flight into terrain.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20010110X00194. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.