A ll 15 people who were on a skydiving aircraft were being treated for injuries after the small plane crashed at Cross Keys Airport in Williamstown, New Jersey, on Wednesday, according to a hospital spokesperson.

Some of the people on board were covered in jet fuel and had to be decontaminated before being taken to the hospital, one official said.

Three people were critically injured and 11 others were hurt when a skydiving plane crashed Wednesday afternoon in Monroe Township in Gloucester County near the Cross Keys Airport, officials said at a press conference Wednesday night. The Cessna 208B skydiving aircraft, which had 15 people onboard, went down around 5:30 p.m., according to the FAA.