Casualties unknown

Aircraft Mushs into Terrain After Valley Airstrip Takeoff (N78680)

Aspen, CO, US

On September 17, 1984, a Cessna 172K (registration N78680) operated by Mountain View Airmotive was involved in an aviation accident near Aspen, CO. 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

After departing a valley airstrip in mountainous terrain, the pilot climbed straight ahead toward rising terrain instead of circling to gain altitude. Approaching a mountain pass, the aircraft was observed climbing below highway level and mushed into terrain.

Flight Details

The pilot departed from a valley airstrip situated in mountainous terrain. Rather than following the normal procedure of circling to gain altitude, the pilot elected to climb straight ahead, heading toward rising terrain.

Accident Sequence

As the aircraft approached a mountain pass, it was observed climbing at an altitude below the level of a nearby highway. No attempt to reverse course was noted. Subsequently, the aircraft mushed into the terrain.

Investigation Findings

During the investigation, the pilot cited adverse winds at the pass as a contributing factor. The investigation also revealed that the density altitude at the time was 14,664 feet.

Frequently asked questions

What happened in the 17 Sept 1984 Cessna 172K accident near Aspen, CO?

After departing a valley airstrip in mountainous terrain, the pilot climbed straight ahead toward rising terrain instead of circling to gain altitude. Approaching a mountain pass, the aircraft was observed climbing below highway level and mushed into terrain.

What aircraft was involved and where did it happen?

The accident on 17 Sept 1984 involved a Cessna 172K, registration N78680, operated by Mountain View Airmotive, at Aspen, CO.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X41025. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.