No fatalities

Precautionary Landing Results in Gear Collapse and Tree Strike (N9139H)

Okeechobee, FL, US

On May 23, 1989, a Cessna 172M (registration N9139H) operated by General Aviation Int'l Corp. was involved in an aviation accident near Okeechobee, FL. No fatalities were reported. Investigators recorded the probable cause as: THE PILOT'S POOR PREFLIGHT PREPARATION WHEN HE FAILED TO RECHECK WEATHER CONDITIONS AFTER HE DELAYED TAKEOFF BECAUSE OF THUNDERSTROMS. ALSO, THE PILOT'S POOR INFLIGHT DECISION TO LAND OFF-AIRPORT RATHER THAN RETURN TO THE DEPARTURE AIRPORT. 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 who was advised to wait due to thunderstorms departed later without rechecking weather, encountered a storm, and performed a precautionary landing during which the nose gear struck a dirt mound and wings hit trees.

Preflight Briefing and Departure

Prior to departure, the pilot was briefed by Flight Service Station (FSS) personnel that thunderstorms were present along the intended route of flight. The FSS advised the pilot to wait one hour for the weather to move eastward. The pilot did not contact the FSS again before departing.

The flight departed 1 hour and 29 minutes after the briefing.

In-Flight Weather Encounter

While north of Lake Okeechobee, Florida, the flight encountered weather associated with a thunderstorm. With darkness approaching, the pilot elected to perform a precautionary landing.

Landing Accident

During the landing roll, the nose gear collided with a mound of dirt, causing it to collapse. Subsequently, both wings collided with trees before the airplane came to a stop.

Frequently asked questions

What happened in the 23 May 1989 Cessna 172M accident near Okeechobee, FL?

A pilot who was advised to wait due to thunderstorms departed later without rechecking weather, encountered a storm, and performed a precautionary landing during which the nose gear struck a dirt mound and wings hit trees.

Were there any fatalities in the 23 May 1989 Cessna 172M accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 23 May 1989 involved a Cessna 172M, registration N9139H, operated by General Aviation Int'l Corp., at Okeechobee, FL.

What was the probable cause of the accident?

THE PILOT'S POOR PREFLIGHT PREPARATION WHEN HE FAILED TO RECHECK WEATHER CONDITIONS AFTER HE DELAYED TAKEOFF BECAUSE OF THUNDERSTROMS. ALSO, THE PILOT'S POOR INFLIGHT DECISION TO LAND OFF-AIRPORT RATHER THAN RETURN TO THE DEPARTURE AIRPORT.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X28381. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.