Valley Shore Emergency Dispatch received a 911 call reporting the accident Friday evening.
An ATV crashed in the area of 150 Rock Landing Road in Haddam.
The Haddam Neck Volunteer Fire Department responded to the scene and found the victim unconscious.
Lifestar was requested to the scene, and the victim was airlifted and taken to Hartford Hospital.
The scene was still active as of 7:30 p.m. As of 7 a.m., State Police Troop F is reporting that the injuries were non-life-threatening.