OMAHA, Neb. -- Authorities have identified an Omaha man who was seriously hurt when he crashed a small plane west of Fargo Tuesday afternoon. 

The North Dakota Highway Patrol says Jeffrey Kloster had just left the West Fargo Municipal Airport when the plane hit treetops and crashed into a soybean field. 

It took fire crews about 40 minutes to free Kloster from the wreckage. 

West Fargo Fire Chief Dan Fuller says it appeared Kloster suffered serious leg injuries and possible internal injuries. 

Kloster is hospitalized in Fargo. His condition is not known. 

The Federal Aviation Administration is investigating the cause of the crash.