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Pilot Mistakes Audible Horn, Lands with Gear Up (N9440T)

Kaiser, MO, US

On June 26, 1989, a Cessna 210 (registration N9440T) operated by Butler, Jack V. was involved in an aviation accident near Kaiser, MO. No fatalities were reported. Investigators recorded the probable cause as: The pilot inadvertently forgot to lower the landing gear. 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

During final approach, the pilot heard an audible horn interpreted as a stall warning and continued the landing, resulting in a gear-up landing. The aircraft slid to a stop on the runway, sustaining substantial fuselage and propeller damage.

Accident Details

During final approach, the pilot reported that while nearing stall speed, he heard an audible horn. He interpreted this sound as the stall warning horn and continued his landing approach. Consequently, the aircraft landed with the landing gear still retracted.

Aftermath

The aircraft slid to a stop on the runway. Post-accident inspection revealed substantial damage to the fuselage and propeller.

Landing Gear Functionality

During the post-accident investigation, the landing gear was tested and found to have functioned normally in all phases.

Pilot Statement

The pilot stated that he inadvertently forgot to lower the landing gear.

Probable cause

The pilot inadvertently forgot to lower the landing gear.

Related events

Same aircraft family

All Cessna 210 accidents →

Frequently asked questions

What happened in the 26 Jun 1989 Cessna 210 accident near Kaiser, MO?

During final approach, the pilot heard an audible horn interpreted as a stall warning and continued the landing, resulting in a gear-up landing. The aircraft slid to a stop on the runway, sustaining substantial fuselage and propeller damage.

Were there any fatalities in the 26 Jun 1989 Cessna 210 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 26 Jun 1989 involved a Cessna 210, registration N9440T, operated by Butler, Jack V., at Kaiser, MO.

What was the probable cause of the accident?

The pilot inadvertently forgot to lower the landing gear.

More accident analyses

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X28644. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.