Helicopter Sikorsky S-55 Serial 55-160 Register N413A used by Los Angeles Airways LAA. Built 1952. Aircraft history and location Aircraft History N413A Los Angeles Airways 1952-06-06Sikorsky S-55 c/n 55-160, ff:? del Los Angeles Airways as N413A, 06Jun52. Send Updates Use APP to upload photo @ (optional) When Now? / / Send