4 fatalities

Aircraft Disappears en Route After Encountering Weather Near Key West (N39677)

Sanibel Island, FL, US

On March 12, 1984, a Piper PA-28-235 (registration N39677) was involved in an aviation accident near Sanibel Island, FL. 4 people were killed. 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

An aircraft failed to reach its destination after encountering bad weather. Radar data showed a descent and loss of contact. Two occupants were recovered; two were presumed fatally injured. The aircraft was presumed destroyed.

Incident Overview

An aircraft failed to arrive at its intended destination after departing from Key West, Florida. Investigators reviewed satellite imagery showing weather and cloud cover along the route between the departure and destination airports. Radar data indicated that an aircraft departed Key West at approximately 1700 hours, proceeding northbound at 4,500 feet until it encountered adverse weather conditions.

Flight Path Details

According to radar records, after encountering bad weather, the aircraft turned southwest for about 7 miles, then turned north and climbed to 4,900 feet. Shortly thereafter, the aircraft lost 1,700 feet of altitude in 24 seconds, after which radar contact was lost. Positive identification of the aircraft was not made.

Occupants and Aircraft Status

The bodies of two of the occupants were recovered; the other two occupants were presumed to have been fatally injured. The aircraft was presumed to have been destroyed during a crash in the vicinity of the last radar position.

Frequently asked questions

What happened in the 12 Mar 1984 Piper PA-28-235 accident near Sanibel Island, FL?

An aircraft failed to reach its destination after encountering bad weather. Radar data showed a descent and loss of contact. Two occupants were recovered; two were presumed fatally injured. The aircraft was presumed destroyed.

Were there any fatalities in the 12 Mar 1984 Piper PA-28-235 accident?

The accident was fatal, resulting in 4 fatalities.

What aircraft was involved and where did it happen?

The accident on 12 Mar 1984 involved a Piper PA-28-235, registration N39677, at Sanibel Island, FL.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X39108. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.