Helicopter Bell 206L-4 Long Ranger Serial 52144 Register JA6172 used by Keisatsu-chō JNPA (National Police Agency). Aircraft history and location Aircraft History JA6172 Keisatsu-chō 2002-06-12Niigata Prefectural Police Nov95-Jul02 w/o 12jun02 Niigata prefectural police aviation unit Send Updates Use APP to upload photo @ (optional) When Now? / / Send