5 fatalities

Aircraft Crashes Near Glenwood Springs After Pilot Becomes Lost; Five Killed (N711AH)

Glenwood Springs, United States of AmericaFlight

On March 2, 1974, a Mitsubishi MU-2 Marquise (registration N711AH) operated by Capital National Corporation was involved in an aviation accident near Glenwood Springs, United States of America in flight. 5 people were killed. Investigators recorded the probable cause as: Collision with trees and terrain after the pilot became lost/disoriented. Factors: improper in-flight decisions or planning, misjudged speed and clearance, low ceiling, downdrafts and updrafts, high obstructions, snow covered terrain. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary report: the U.S. National Transportation Safety Board (NTSB) historical archive (1962-1981)Updated 2026-07-04Data APIEditorial standards

While descending to Aspen Airport, a pilot encountered marginal weather and became lost. The aircraft struck trees and crashed on a snow-covered mountain. Two passengers were seriously injured and five others were killed.

Accident Details

While descending to Aspen Airport, the pilot encountered marginal weather conditions. Passing below the clouds, he became lost. While completing a last turn to the left, the airplane struck trees and crashed on a snow covered mountain located near Glenwood Springs, northwest of Aspen. The wreckage was found two days later in an isolated area.

Injuries and Occupants

Two passengers were seriously injured while five other occupants were killed.

Probable Cause

The official probable cause is collision with trees and terrain after the pilot became lost/disoriented. The following factors were reported: improper in-flight decisions or planning, misjudged speed and clearance, low ceiling, downdrafts and updrafts, high obstructions, and snow covered terrain.

Frequently asked questions

What happened in the 2 Mar 1974 Mitsubishi MU-2 Marquise accident near Glenwood Springs, United States of America?

While descending to Aspen Airport, a pilot encountered marginal weather and became lost. The aircraft struck trees and crashed on a snow-covered mountain. Two passengers were seriously injured and five others were killed.

Were there any fatalities in the 2 Mar 1974 Mitsubishi MU-2 Marquise accident?

The accident was fatal, resulting in 5 fatalities.

What aircraft was involved and where did it happen?

The accident on 2 Mar 1974 involved a Mitsubishi MU-2 Marquise, registration N711AH, operated by Capital National Corporation, at Glenwood Springs, United States of America.

What was the probable cause of the accident?

Collision with trees and terrain after the pilot became lost/disoriented. Factors: improper in-flight decisions or planning, misjudged speed and clearance, low ceiling, downdrafts and updrafts, high obstructions, snow covered terrain.