Casualties unknown

Aircraft Strikes Terrain After Pilot Attempts Climbing Right Turn (N9633B)

Salida, CO, US

On August 6, 1993, a Cessna 172RG (registration N9633B) was involved in an aviation accident near Salida, CO. Investigators recorded the probable cause as: THE CLIMB CAPABILITY OF THE AIRPLANE BEING EXCEEDED AND THE PILOT'S DECISION TO TURN INTO THE RISING TERRAIN. A FACTOR WAS THE HIGH DENSITY ALTITUDE. 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 pilot executing a 360-degree climbing right turn to clear a mountain pass lost consciousness, and the aircraft impacted trees and rising terrain. Witnesses reported normal engine operation. Density altitude at the site was 14,300 feet.

Flight Details

According to the pilot, the flight proceeded routinely until he decided to perform a 360-degree climbing turn to gain altitude and clear a mountain pass at 10,500 feet. He initiated a right turn to climb, but that was the last event he recalled.

Witness Observations

Witnesses observed the airplane turning right into rising terrain and trees. They heard the aircraft impact the trees and the ground. Both the pilot and witnesses stated that the engine appeared to be operating normally throughout the event.

Environmental Conditions

The temperature at the accident site elevation was 65 degrees Fahrenheit, and the density altitude was calculated to be 14,300 feet. Notably, a left turn would have directed the airplane toward descending terrain.

Frequently asked questions

What happened in the 6 Aug 1993 Cessna 172RG accident near Salida, CO?

A pilot executing a 360-degree climbing right turn to clear a mountain pass lost consciousness, and the aircraft impacted trees and rising terrain. Witnesses reported normal engine operation. Density altitude at the site was 14,300 feet.

What aircraft was involved and where did it happen?

The accident on 6 Aug 1993 involved a Cessna 172RG, registration N9633B, at Salida, CO.

What was the probable cause of the accident?

THE CLIMB CAPABILITY OF THE AIRPLANE BEING EXCEEDED AND THE PILOT'S DECISION TO TURN INTO THE RISING TERRAIN. A FACTOR WAS THE HIGH DENSITY ALTITUDE.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X13148. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.