Chris Cline, owner of Foresight Energy LLC, poses for a portrait inside an elevator to the mine at Foresight Energy LLC's Shay coal mine in Carlinville, Illinois, U.S., on Tuesday, June 21, 2010.

Billionaire West Virginia coal executive and philanthropist Chris Cline died in a helicopter crash Thursday, according to his alma mater, Marshall University. He was 60.

The Associated Press reported that Cline and six other people were killed when their chopper went down in Walker's Bay, in the Abaco Islands, on its way from the Bahamas to Florida. NBC News has not independently confirmed that Cline was on board but Marshall University said in a statement he was killed in a helicopter crash.