Authorities in Mississippi are investigating after a small plane crashed in Forrest County, injuring the pilot.

The Forrest County Sheriff’s Office said it received reports of an ultralight aircraft crashing in a field around 4:34 p.m. Thursday, WDAM-TV reported.

A man, the aircraft’s only occupant, was transported to Forrest General Hospital in Hattiesburg. His injuries are not believed to be life-threatening, authorities said. Authorities have not released the man’s name.

There’s no word on what caused the crash. The sheriff’s office is investigating along with the Federal Aviation Administration Flight Standards Division Office in Jackson.