Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1804 Register 4894 H-64 154894 used by Air America. Aircraft history and location Aircraft History 154894 Air America Sikorsky UH-34D ordered by USN under MDAP as 154894 to Air America. For H-64 see also sa315b 2302 105cb-4 S-689 H-64 Air America 1968-01-1313jan68 4894 - RLAF Send Updates Use APP to upload photo @ (optional) When Now? / / Send