1 fatality

Pilot Reports Engine Failure Before Ditching; Aircraft Missing (N3RB)

Grand Isle, United States of AmericaFlight

On September 17, 1985, a Swearingen SA226T Merlin III (registration N3RB) operated by Air Parcel Express was involved in an aviation accident near Grand Isle, United States of America in flight. One person was killed. Investigators recorded the probable cause as: The reason for the occurrence was undetermined. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-11Data APIEditorial standards

A pilot reported losing an engine and being unable to maintain altitude 100 miles south of Grand Isle, Louisiana. After descending to 1,500 feet and preparing to ditch, no further contact or ELT signals were received. The aircraft wreckage has not been located.

Incident Overview

A distress message was received from a pilot reporting that the aircraft was 100 miles south of Grand Isle, Louisiana. The pilot stated that one engine had been lost and the aircraft was unable to maintain altitude. Shortly thereafter, a second message indicated that the aircraft had descended to 1,500 feet and the pilot was preparing to ditch the aircraft in the water.

Distress Messages and Loss of Contact

Following the second message, no further communications were received from the pilot. Additionally, no signals from the aircraft's emergency locator transmitter (ELT) were detected. The absence of contact and ELT signals suggests that the aircraft may have entered the water as planned or experienced an uncontrolled descent.

Current Status

As of the latest information, the aircraft wreckage has not been located. The official investigation classified this occurrence as a missing aircraft with an unknown phase of operation. The reason for the occurrence remains undetermined.

Probable cause

The reason for the occurrence was undetermined.