The Whitman County Sheriff’s Office responded to the crash around 8:00.  The man was riding a four wheeler by himself and was able to call 911 when he crashed in a stubble field.  Deputies determined that the man went airborne over an eyebrow in the field and crashed.  He was not wearing a helmet.  He was flown to the hospital with non-life threatening injuries.  The sheriff’s office did not release the man’s name.