Helicopter Bell 412 Serial 33095 Register 4R-HTB SUH-4204 used by Sri Lanka Air Force. Aircraft history and location Aircraft History SUH-4204 Sri Lanka Air Force Sri Lanka air force ex CH525 1988 N3202A to 4R-HTB 4R-HTB - Helitours Sri Lanka Send Updates Use APP to upload photo @ (optional) When Now? / / Send