Casualties unknown

Hard Landing in Gusty Winds Leads to Landing Gear Collapse (N21489)

Grain Valley, MO, US

On September 6, 1984, a Piper PA-28-181 (registration N21489) was involved in an aviation accident near Grain Valley, MO. Investigators recorded the probable cause as: The landing gear collapsed as a result of a hard landing in gusty wind conditions. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 4 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

A hard landing in gusty wind conditions caused the landing gear to collapse. Wind information was available from multiple sources despite a tattered windsock.

Incident

The landing gear collapsed during a hard landing in gusty wind conditions. The aircraft experienced a hard landing, which resulted in the collapse of the landing gear.

Wind Conditions

Although the airport's windsock was tattered, sufficient wind information was available from Flight Service Station (FSS) and UNICOM to alert the pilot to the need for compensation on approach. The nearest weather reporting station, located 18 nautical miles southwest, reported winds from 230 degrees at 15 knots, gusting to 26 knots. Additionally, the fixed-base operator (FBO) at the airport stated that winds were from 200 degrees with gusts to 30 knots.

Available Information

The pilot had access to multiple sources of wind data, including FSS, UNICOM, the nearby weather station report, and the FBO operator's observations. Despite the tattered windsock, the pilot was provided with sufficient wind information to anticipate the gusty conditions.

Probable cause

The landing gear collapsed as a result of a hard landing in gusty wind conditions.

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Frequently asked questions

What happened in the 6 Sept 1984 Piper PA-28-181 accident near Grain Valley, MO?

A hard landing in gusty wind conditions caused the landing gear to collapse. Wind information was available from multiple sources despite a tattered windsock.

What aircraft was involved and where did it happen?

The accident on 6 Sept 1984 involved a Piper PA-28-181, registration N21489, at Grain Valley, MO.

What was the probable cause of the accident?

The landing gear collapsed as a result of a hard landing in gusty wind conditions.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X41170. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.