Helicopter Sikorsky S-55C Serial 55-707 Register JA7153 used by Kaijō Hoan-chō JPCG (Japanese Coast Guard). Built 1954. Aircraft history and location Aircraft History For JA7153 see also 1953 S-55C 55-586 JA7153 Kaijō Hoan-chō 1954-04-20Sikorsky S-55C, c/n 55-707, ff:16Apr64 del Japanese Coast Guard as JA7153, 20Apr54 wfu & b/u 20Apr64. Send Updates Use APP to upload photo @ (optional) When Now? / / Send