Casualties unknown

Aircraft Contacts Snow-Covered Terrain After Takeoff in Uncontrolled Descent (N5637K)

Columbia Falls, MT, US

On December 6, 1985, a Beech 35-B33 (registration N5637K) was involved in an aviation accident near Columbia Falls, 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

An aircraft contacted snow-covered terrain in an uncontrolled descent about three minutes after takeoff. The pilot, not instrument rated, had received weather briefings indicating VFR flight not recommended.

Incident Overview

An aircraft entered an uncontrolled descent and contacted snow-covered terrain approximately three minutes after taking off. According to the investigation, the last radar contact occurred at 2130 MST, with the aircraft having departed at about 2128 MST.

Weather and Briefing

Before departure, the pilot obtained a weather briefing from the Kalispell, Montana, National Weather Service and updated briefings from the Missoula and Great Falls Flight Service Stations for a proposed night visual flight rules (VFR) flight to Ogden, Utah. The weather briefings indicated that VFR flight was not recommended. At Kalispell, the weather conditions were reported as sky partially obscured, measured ceiling 100 feet overcast, and visibility 2 miles with fog.

Communications

The pilot requested a special VFR clearance to Ogden. The controller asked if the pilot wanted "flight following all the way," to which the pilot responded affirmatively. However, the pilot was never issued a special VFR clearance.

Pilot Qualifications

The pilot was not instrument rated.

Frequently asked questions

What happened in the 6 Dec 1985 Beech 35-B33 accident near Columbia Falls, MT?

An aircraft contacted snow-covered terrain in an uncontrolled descent about three minutes after takeoff. The pilot, not instrument rated, had received weather briefings indicating VFR flight not recommended.

What aircraft was involved and where did it happen?

The accident on 6 Dec 1985 involved a Beech 35-B33, registration N5637K, at Columbia Falls, MT.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X38387. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.