Casualties unknown

Aircraft Overruns Runway After Landing in Icing Conditions (N8663K)

Frankfort, IL, US

On February 16, 1986, a Cessna 340A (registration N8663K) operated by Soren P. Korsgard was involved in an aviation accident near Frankfort, IL. 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

After descending through icing conditions, the pilot was advised the runway was slippery. Landing 600-700 ft down the 3,176 ft runway, braking deteriorated from poor to nil, leading to an overrun.

Incident Overview

Following a descent through icing conditions, the pilot of an aircraft was informed by the UNICOM operator that the active runway was 'slippery'. The pilot landed approximately 600-700 feet down the 3,176-foot runway. During the rollout, the braking action deteriorated from poor to nil.

Attempt to Decelerate

In an effort to slow the aircraft, the pilot directed one main gear tire into snow along the edge of the runway. Despite this action, the aircraft continued beyond the end of the paved surface.

Final Position

The aircraft came to a stop approximately 100 feet into a field adjacent to the runway.

Frequently asked questions

What happened in the 16 Feb 1986 Cessna 340A accident near Frankfort, IL?

After descending through icing conditions, the pilot was advised the runway was slippery. Landing 600-700 ft down the 3,176 ft runway, braking deteriorated from poor to nil, leading to an overrun.

What aircraft was involved and where did it happen?

The accident on 16 Feb 1986 involved a Cessna 340A, registration N8663K, operated by Soren P. Korsgard, at Frankfort, IL.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X32830. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.