Helicopter Sikorsky H-19B Chickasaw Serial 55-617 Register N5096V 52-7526 used by US Air Force USAF. Built 1954. Aircraft history and location Aircraft History 52-7526 US Air Force 1954-01Sikorsky S-55 c/n 55-617, ff:? del USAF as H-19B, 52-7526, Jan54. N5096V - 1969-06 Trans Alaska Helicopters at Anchorage, AK Jun69 w/o 12aug71 at Valdez, Alaska Send Updates Use APP to upload photo @ (optional) When Now? / / Send