Casualties unknown

Ground Loop After Tailwind Gust During Landing at Telluride (N3799Z)

Telluride, CO, US

On September 30, 1999, a Piper PA-18-150 (registration N3799Z) operated by Blake C. Freeland was involved in an aviation accident near Telluride, CO. Investigators recorded the probable cause as: An encounter with a sudden tailwind gust windshift during landing roll, resulting in an inadvertent ground loop. 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 2026-06-10Data APIEditorial standards

During landing at Telluride, after a normal touchdown, the airplane encountered a tailwind gust when the tail was lowered, resulting in a ground loop. The pilot had checked winds and they were calm.

Flight Preparation

Prior to takeoff from Montrose, Colorado, the pilot contacted Telluride airport, located 33.3 nautical miles to the south, and asked an airport employee about the weather conditions. The employee advised that the wind was calm.

Landing

Before landing at Telluride, the pilot listened to the airport's Automated Surface Observing System (ASOS), which again indicated calm wind. He then confirmed this with the airport's windsock. The touchdown and initial rollout on runway 09 were normal. However, after the aircraft's tail was lowered onto the runway, the airplane encountered a tailwind gust and ground looped.

Post-Accident Observations

When the pilot exited the aircraft, he noted that the winds were out of the west.

Airport Information

Telluride airport has no recorded weather reporting facility. The closest weather facility is located at Montrose. At 1053, the winds were reported from 290 degrees at 6 knots. According to the FAA's Airport/Facility Directory, all landings at Telluride should be performed on runway 09 to avoid populated areas.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X19749. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.