Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1797 Register 3703 H-57 153703 used by Air America. Aircraft history and location Aircraft History 153703 Air America Sikorsky UH-34D ordered by USN under MDAP as 153703 to Air America For H-57 see also S-55C 55-1281 2010 412ep 36536 H-57 Air America 1jun67 For 3703 see also ah-64a PV828 3703 - RLAF Send Updates Use APP to upload photo @ (optional) When Now? / / Send