Helicopter Sikorsky YH-18 Serial 52-006 Register N54066 49-2889 used by US Army Aviation Army. Built 1951. Aircraft history and location Aircraft History 49-2889 US Army Aviation 1951-03-29Sikorsky S-52-2, c/n 52-006, ff:? acc 29Mar51 del US ARMY as YH-18A, 49-2889, 04Apr51. [xfer USMC & redesig HO5S-1, BuNo?, unk]. N54066 - Sikorsky S-52-2 wfu & reg US as S-52-2, N54066, unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send
