Narrative:The Douglas DC-3A cargo plane suffered a failure of the no.2 engine, shortly after takeoff from San Juan-Luis Muñoz Marín International Airport in Puerto Rico. The flight crew flew a right downwind leg to return to runway 10 for landing. The propeller was feathered but the flight crew were not able to maintain altitude. As the aircraft turned to base leg, control was lost and the DC-3 crashed into Laguna San José in a right vertical bank.
Probable Cause:
PROBABLE CAUSE:"
Airspeed .. inadequate .. pilot in command
Aircraft handling .. improper .. pilot in command
CONTRIBUTING FACTORS
Terrain condition .. water, rough
Engine assembly,ring .. failure, total
Comm/nav equipment, transmitter .. failure, total
Engine assembly, bearing .. failure, total
Engine assembly, master rod .. failure, total"
Sources:
» Aviation Letter 238
» ICAO Adrep Summary 5/88 (#44)
» NTSB
Photos

accident date:
22-07-1986type: Douglas C-53 (DC-3)
registration: N27PR
Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does
not display the exact flight path.
Distance from San Juan-Luis Muñoz Marín International Airport to Saint Kitts-Golden Rock Airport as the crow flies is 367 km (230 miles).
Accident location: Approximate; accuracy within a few kilometers.
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.