(KAIR)--An Atchison County Memorial Day ATV accident required helicopter transport for one.

Atchison County Sheriff Jack Laurie, in a release, said it happened Monday morning around 10:00 at 109 High Street in Lancaster.

Deputies responded to the scene and found that 18-year-old Nathan Myers, of Lancaster, had been a passenger on the rear of the northbound 4-wheeler when he fell off.

Suffering a head injury from the fall, Myers was flown by LifeNet to the University of Kansas Hospital, in Kansas City, Kansas, for treatment.

Both Myers and the operator of the ATV, identified as 20-year-old Atchison resident Jacob Kenworthy, were not wearing helmets.

Kenworthy was not hurt.