Helicopter Sikorsky RH-53D Serial 65-414 Register 9-2703 6-2703 used by hava darya (iranian navy aviation). Built 1977. Aircraft history and location Aircraft History 6-2703 hava darya Sikorsky S-65C-4 c/n 65-414 ff? accepted USN as RH-53D 160101 unk xfer FMS to Iranian Navy as 6-2703, 1978 status unk. 9-2703 hava darya 2017-12-18 A OIIIfrom 2nd Air Base Bushehr Send Updates Use APP to upload photo @ (optional) When Now? / / Send