TH-67 CreekBell TH 67 Creek helicopter model. The Bell TH 67 Creek is a helicopter used for initial entry rotary wing training. It replaced the aging UH 1H, which had been the Army's interim trainer since the 1988 retirement of the TH 55 Osage. In the tactical portion of pilot training, the OH 58 Kiowa is still the helicopter used. Mahogany wood. Rotorspan 16 1 2 inches, length 16 inches.