A Falcon 20D corporate jet, registered N28Rk, was destroyed when it crashed on Great Inagua Island, Bahamas. Both pilots were killed. The airplane departed Higuero/La Isabela-Dr. Joaqu¡n Balaguer Airport (JBQ), Dominican Republic at 23:41 UTC, 19:41 local time. Planned destination was Fort Lauderdale-Executive Airport, FL (FXE). The flight was en route at FL280 it began a rapid descent near Great Inagua Island, Bahamas, with no report of an emergency declared or mayday call. Local time was about 19:30, some fifty minutes into the flight. The airplane impacted rough, bushy terrain at a high rate of speed and approximately a 45 degree angle. An explosion occurred and debris was spread over a large area. The cockpit voice recorder housing was found but the casing was destroyed and the contents were not located. PROBABLE CAUSE: The probable cause of this accident has been determined as loss of control. CONTRIBUTING FACTORS Undetermined. Insufficient wreckage of the aircraft were recovered to make a conclusive determination as to the cause of the accident.