Casualties unknown

Pilot Diverts Due to Weather, Wreckage Found Southeast of Alternate (N3171S)

Glasgow, MT, US

On January 2, 2004, a Cessna 182G (registration N3171S) was involved in an aviation accident near Glasgow, MT. Investigators recorded the probable cause as: Loss of aircraft control resulting in an in-flight collision with terrain. Factors include marginal weather and dark night conditions. 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 pilot and three passengers diverted to an alternate airport after receiving a weather update. The airplane was later located southeast of the intended alternate.

Flight Details

The pilot and three passengers were completing the final leg of a round robin cross-country flight that had originated earlier in the day. The final leg had been in progress for approximately 2 hours and 30 minutes when the pilot received an in-flight weather update for the route.

Weather Update

The weather specialist reported low ceilings and low visibilities along the intended route. Additionally, the specialist reported that VFR flights were not recommended due to an AIRMET for IFR conditions, icing conditions, and areas of mountain obscuration.

Diversion and Search

Subsequent to receiving the updated weather information, the pilot reported that he was diverting to an alternate airport northwest of his location. After the airplane failed to arrive at the planned destination, an ALNOT (Alert Notice) was issued for the missing airplane.

Wreckage Location

The airplane wreckage was later located southeast of the intended alternate airport. Infrared weather satellite imagery showed areas of enhanced widespread cloud cover and cloud tops northwest of the accident location on the night of the accident. Dark night conditions prevailed at the time of the accident.

Conditions

No further details about the aircraft, occupants, or the extent of damage were provided in the source information.

Frequently asked questions

What happened in the 2 Jan 2004 Cessna 182G accident near Glasgow, MT?

A pilot and three passengers diverted to an alternate airport after receiving a weather update. The airplane was later located southeast of the intended alternate.

What aircraft was involved and where did it happen?

The accident on 2 Jan 2004 involved a Cessna 182G, registration N3171S, at Glasgow, MT.

What was the probable cause of the accident?

Loss of aircraft control resulting in an in-flight collision with terrain. Factors include marginal weather and dark night conditions.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20040113X00059. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.