20 fatalities

Aircraft Crashes into Sea After Bird Strike During Initial Climb (N187SA)

Contadora Island, PanamaTakeoff (climb)

On April 18, 1990, a De Havilland DHC-6 Twin Otter (registration N187SA) operated by Aeroperlas was involved in an aviation accident near Contadora Island, Panama during takeoff. 20 people were killed. Investigators recorded the probable cause as: Failure of the right engine and subsequent loss of control during initial climb following a bird strike. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 3 related events involving the same aircraft type or operator are linked below.

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

An aircraft collided with a flock of birds after takeoff from Contadora Island Airport. The right engine failed, causing the plane to lose speed and roll right before crashing 1,500 meters offshore. Two passengers were rescued, while 20 others were killed.

Incident Overview and Immediate Aftermath An aircraft encountered a flock of birds while climbing after departing from Contadora Island Airport. During this initial climb phase, the collision resulted in several birds striking the right engine, which subsequently failed. The engine failure caused the aircraft to lose speed and roll to the right, ultimately leading to a crash in the sea approximately 1,500 meters offshore. Rescue efforts recovered two passengers, while 20 other occupants were killed in the incident. ## Official Findings The official investigation determined that the probable cause of the accident was the failure of the right engine and the subsequent loss of control during the initial climb, which occurred following the bird strike.