Casualties unknown

Engine Failure and Forced Landing in Salt Water (N12LH)

Hyannis, MA, US

On September 7, 1984, a Beech J35 (registration N12LH) was involved in an aviation accident near Hyannis, MA. 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

Approximately 30 minutes after departure, the engine began running rough and stopped. The pilot performed a gear-down forced landing in salt water about 6 minutes from the destination airport.

Incident Details

According to the pilot, about 30 minutes after departure, the engine began running roughly. Approximately one minute later, the engine stopped completely. The pilot subsequently conducted a forced landing with the landing gear extended into salt water. The landing occurred about six minutes from the destination airport.

Examination Findings

Following the incident, Federal Aviation Administration (FAA) personnel examined the wreckage. The examination revealed that the electric fuel pump was inoperative. Additionally, the left magneto did not fire when the engine was rotated. The auxiliary fuel tanks were found to contain no usable fuel, while both main fuel tanks were nearly full. No other mechanical malfunctions were noted.

Frequently asked questions

What happened in the 7 Sept 1984 Beech J35 accident near Hyannis, MA?

Approximately 30 minutes after departure, the engine began running rough and stopped. The pilot performed a gear-down forced landing in salt water about 6 minutes from the destination airport.

What aircraft was involved and where did it happen?

The accident on 7 Sept 1984 involved a Beech J35, registration N12LH, at Hyannis, MA.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X41207. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.