Helicopter Bell 206L-4 Long Ranger Serial 52090 Register JA6144 used by Keisatsu-chō JNPA (National Police Agency). Aircraft history and location Aircraft History JA6144 Keisatsu-chō 1994-10Ibaraki Prefectural Police Oct94-Jul15 Ibaraki prefectural police aviation unit Send Updates Use APP to upload photo @ (optional) When Now? / / Send