Casualties unknown

Helicopter Crash in Open Field During Marginal Weather (N55LW)

Sula, MT, US

On January 6, 1983, a Bell 206B III (registration N55LW) was involved in an aviation accident near Sula, MT. 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 helicopter crashed tail low and rolled over in an open field during marginal weather. The pilot held an expired student certificate and medical, and lacked a helicopter rating. Witnesses reported poor visibility and snow.

Accident Details

The helicopter crashed tail low and rolled over in an open field. The accident occurred during marginal weather conditions. Examination of the wreckage did not reveal any specific reason for low rotor RPM just prior to ground impact.

Pilot Information

The pilot was flying on an expired student certificate and an expired medical certificate. According to a pilot who had worked with him, the pilot had no helicopter rating.

Weather Conditions

Witnesses stated that the weather conditions at the time of the accident included poor visibility and snow falling.

Wreckage Examination

Investigators examined the wreckage but found no specific reason for the low rotor RPM observed just before the helicopter struck the ground.

Frequently asked questions

What happened in the 6 Jan 1983 Bell 206B III accident near Sula, MT?

A helicopter crashed tail low and rolled over in an open field during marginal weather. The pilot held an expired student certificate and medical, and lacked a helicopter rating. Witnesses reported poor visibility and snow.

What aircraft was involved and where did it happen?

The accident on 6 Jan 1983 involved a Bell 206B III, registration N55LW, at Sula, MT.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X41970. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.