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.

The outcome "could have been much worse," said the representative of Skydive Cross Keys, which has operated since 1994 at Cross Keys Airport in Williamstown. It said a Cessna 208B carrying 15 people developed "mechanical issues" at roughly 3,000 feet, minutes after taking off at about 5:30 p.m. on Wednesday.