Casualties unknown

1989-06-29: Cessna 310Q (N7509Q) — Crestone, CO

Crestone, CO, US

On June 29, 1989, a Cessna 310Q (registration N7509Q) was involved in an aviation accident near Crestone, CO. Investigators recorded the probable cause as: IMPROPER IN-FLIGHT PLANNING/DECISION BY THE PILOT AND HIS FAILURE TO ATTAIN SUFFICIENT ALTITUDE TO SAFELY CLEAR THE MOUNTAINS. CONTRIBUTING FACTORS WERE: MOUNTAINOUS TERRAIN, BOX CANYON, AND 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 1781061362Data APIEditorial standards

An aircraft traveling from California to Pennsylvania crashed in a box canyon near Mount Eureka, prompting an investigation into the circumstances of the accident.

What happened

The pilot and passengers were conducting a flight from California to Pennsylvania, which included scheduled refueling stops at Pagosa Springs, Colorado, and Omaha, Nebraska. At approximately 10:30 MDT, the pilot placed a telephone call to his daughter in Omaha to communicate that the aircraft would be arriving in the early afternoon.

When the flight failed to arrive in Omaha as expected, relatives reported the aircraft as overdue. Following this report, the wreckage was located within a box canyon at an elevation of approximately 12,000 feet. The canyon where the debris was found terminates at Mount Eureka, which has an elevation of 13,931 feet. At the time of the accident, weather conditions in the area were reported as clear with 50 miles of visibility.

The investigation

A post-crash examination of the aircraft and its engines was conducted. This inspection revealed evidence of normal operation for both the airframe and the powerplants.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X28548. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.