Casualties unknown

Helicopter Spins, Descends, and Burns on Ramp After Takeoff (N5736B)

Salt Lake City, UT, US

On November 8, 1991, a Bell 206B (registration N5736B) operated by Classic Helicopter Service was involved in an aviation accident near Salt Lake City, UT. Investigators recorded the probable cause as: THE PILOT FAILED TO MAINTAIN DIRECTIONAL CONTROL. FACTORS TO THE ACCIDENT WERE: INADEQAUTE REMEDIAL ACTION, OVER CONFIDENCE IN PERSONAL ABILITY, AND LACK OF RECENT EXPEREINCE. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

A helicopter lifted off from a parking ramp, began spinning, ascended to about 200 feet, then rapidly descended with erratic pitch and changed rotor behavior, impacting the ramp and catching fire.

Takeoff and Ascent

At the start of the flight, the helicopter lifted off from a parking ramp. Immediately after becoming airborne, it began spinning as it climbed to an altitude of approximately 200 feet.

Descent and Impact

According to multiple witnesses, at the peak of the climb, the rate of rotation slowed and the helicopter started a rapid descent. Observers noted pitch angle differences in the main rotor blades, along with a decrease in main rotor rotation. The helicopter's pitch angle—nose-up and nose-down movements—was described as erratic. Just before impact, the helicopter stabilized and was no longer rotating when it struck the ramp, located a few hundred yards from the takeoff point. Upon impact, the helicopter became engulfed in flames.

Witness Observations

Witnesses provided differing accounts of the direction of the spin. Some reported that the helicopter was spinning to the left, while others reported that it was spinning to the right.

All Bell 206 accidents →

Frequently asked questions

What happened in the 8 Nov 1991 Bell 206B accident near Salt Lake City, UT?

A helicopter lifted off from a parking ramp, began spinning, ascended to about 200 feet, then rapidly descended with erratic pitch and changed rotor behavior, impacting the ramp and catching fire.

What aircraft was involved and where did it happen?

The accident on 8 Nov 1991 involved a Bell 206B, registration N5736B, operated by Classic Helicopter Service, at Salt Lake City, UT.

What was the probable cause of the accident?

THE PILOT FAILED TO MAINTAIN DIRECTIONAL CONTROL. FACTORS TO THE ACCIDENT WERE: INADEQAUTE REMEDIAL ACTION, OVER CONFIDENCE IN PERSONAL ABILITY, AND LACK OF RECENT EXPEREINCE.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X18521. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.