STEUBEN — Authorities and military personell are still investigating what caused a Wisconsin-based fighter jet to crashed in a national forest in Delta County while on a training mission and searchers are continuing to look for the pilot, who was the only person aboard.

The F-16 Fighting Falcon assigned to the Wisconsin Air National Guard’s 115th Fighter Wing at Truax Field Air National Guard Base in Madison crashed about 8 p.m. Tuesday, the Wisconsin Department of Military Affairs said in a statement.

The 115th Fighter Wing participated in a coordinated search effort with local emergency responders, the U.S. Coast Guard and other government agencies overnight. Search and rescue efforts on the ground, in the air, and in the water continued, the department said.

As of Thursday morning, there were no new developments in the search for the pilot nor in the investigation as to why the plain crashed.

The Daily Press has reached out to the Wisconsin Department of Military Affairs and will continue to cover the story as it develops.