Helicopter Sikorsky S-76C Serial 760483 Register JA6903 used by Kaijō Hoan-chō JPCG (Japanese Coast Guard). Aircraft history and location Aircraft History JA6903 Kaijō Hoan-chō 2005-01-10 A RJSN accident S-76C+ type Coast Guard /MH903 from Oct98 w/o 52km WSW off Niigata airport Send Updates Use APP to upload photo @ (optional) When Now? / / Send