At about 01:30 EDT, a Cessna 208B was substantially damaged during landing at Hamilton International Airport. The pilot was uninjured. The pilot was conducting a scheduled Part 135 cargo flight between Akron, Ohio, and Hamilton. Investigators said the pilot flew the Back Course Runway 30R approach and touched down about halfway down the wet runway. The airplane continued off the end of the runway and collided with part of the high intensity runway lighting system.