Helicopter Aerospatiale HH-65 Dolphin Serial 6048 Register 6503 4112 used by US Coast Guard USCG. Aircraft history and location Aircraft History For 4112 see also 214ST 28107 4112 US Coast Guard 1985-11USCG HH-65A d/d nov85, to 6503 6503 US Coast Guard 2003 type:HH-65A CGAS Houston Coast Guard Air Station Houston 2008 type:HH-65C CGAS Miami Coast Guard Air Station Miami 2023-08-29 C6503 O'ahu, Hawaii2023-10-11 C6503 O'ahu, Hawaii2024-01-19 C6503 O'ahu, Hawaii2024-03-26 O'ahu, Hawaii2024-04-18 O'ahu, HawaiiCall sign for this aircraft: C6503 Send Updates Use APP to upload photo @ (optional) When Now? / / Send