Casualties unknown

Aircraft Swerves Off Runway and Ground Loops During Landing Practice (N9959G)

Osage City, KS, US

On March 29, 1985, a Cessna 188 (registration N9959G) was involved in an aviation accident near Osage City, KS. 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 2026-06-10Data APIEditorial standards

During a practice landing, an aircraft swerved off the runway, ground looped, and sustained substantial damage. The pilot reported asymmetric braking, but no mechanical issues were found.

Accident Overview

A pilot was practicing landings at an airport when, during the landing roll on the third attempt, the aircraft swerved off the runway. After departing the runway surface, the aircraft ground looped and sustained substantial damage.

Pilot Report

The pilot reported that the brakes grabbed asymmetrically, pulling the aircraft off the runway.

Witness Observations

Witnesses stated that the pilot had difficulty handling the aircraft during the landing attempts.

Mechanical Inspection

A visual inspection of the aircraft revealed no mechanical discrepancy.

Conclusion

The accident was limited to the reported circumstances; no further causal factors were identified in the source.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X36022. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.