Casualties unknown

Pilot Returns After Loud Bang and Smoke; Fire Erupts in Engine Compartment (N563PR)

Vieques, PR, US

On October 4, 1991, a Piper PA-32-260 (registration N563PR) operated by Alas Del Caribe was involved in an aviation accident near Vieques, PR. Investigators recorded the probable cause as: Exhaust pipe separated from muffler, allowing engine exhaust to escape into engine compartment. 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 2026-06-10Data APIEditorial standards

After takeoff, a pilot heard a loud bang and smelled smoke. Returning for an uneventful landing, ground crews extinguished an engine compartment fire that burned through the baggage area. FAA inspectors found an exhaust pipe separation.

Incident Description

Shortly after departure from the airport, the pilot of the aircraft heard a loud bang coming from the engine area. Simultaneously, the pilot began to smell smoke. In response, the pilot elected to return to the airport. The subsequent landing was uneventful.

Post-Landing Fire

After the aircraft had landed, the pilot exited the aircraft. Ground crews on the scene then extinguished a fire that had erupted in the engine compartment. The fire had burned through the baggage compartment, causing damage.

Investigation Findings

Following the incident, FAA inspectors examined the aircraft. Their examination indicated that the exhaust pipe had separated from the muffler. This separation allowed engine exhaust to escape into the engine compartment.

Probable cause

Exhaust pipe separated from muffler, allowing engine exhaust to escape into engine compartment.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X18350. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.