Helicopter Sikorsky CH-54A Tarhe Serial 64-021 Register 67-18419 used by US Army Aviation Army. Built 1967. Aircraft history and location Aircraft History 67-18419 US Army Aviation 1981-08-16Sikorsky S-64A, c/n 64-021, ff? del US Army as CH-54A 67-18419 unk w/o 16Aug81. Send Updates Use APP to upload photo @ (optional) When Now? / / Send