Paris ( CNN ) -- Three Americans died when a private jet crashed at a small airport in the south of France , a local official said Friday . Two men , ages 24 and 51 , and a 30-year-old woman were on board the plane when it crashed at Castellet airport , said Didier Couve , a spokesman for the Prefecture of the Var department . The three were the only people on the plane , Couve said . The airplane , a Gulfstream IV , belonged to Universal Jet Aviation , a charter company with three U.S. locations and one in London . `` Universal Jet Aviation confirms an aviation accident involving one of our Gulfstream IV aircrafts at Le Castellet , France , and we currently have no further details concerning the circumstances of this incident , '' said a member of the charters department , who declined to give his name , citing company policy . `` There were no passengers on board the aircraft although the flight crew was lost . We are cooperating with all investigative agencies . Our focus at this time is supporting the needs of the crew and their families . '' A spokeswoman for the airport said emergency services are on site . The plane crashed at the end of the runway , she said . The aerodrome is between the cities of Marseille and Toulon , on the Mediterranean coast . NTSB : Cockpit weather displays could mislead private pilots . Small plane with unresponsive pilot crashes into Gulf of Mexico . CNN 's Alexander Felton and Ines de La Cuetara contributed to this report .
NEW : Charter company confirms Two crew members , no passengers on board . three men and a woman were killed , official says . The private jet crashed at the end of a runway at CNN airport . The small airport is in the south of Toulon , near France .