At least five of the 15 people on board a skydiving aircraft were injured after the small plane went off the runway at Cross Keys Airport in Williamstown, New Jersey, on Wednesday.

WILLIAMSTOWN, N.J. (WPVI) -- Fourteen people were injured after a single-engine skydiving plane crashed on Wednesday in Gloucester County, New Jersey. The call came in around 5:25 p.m. for a mass casualty incident at Cross Keys Airport, located on the 1500 block of North Tuckahoe Road in Williamstown.

There were 15 people on the plane when it "went off the runway while departing" Cross Keys Airport around 5:30 p.m., the FAA said.