Helicopter Sikorsky S-52-1 Serial 52-001 Register NC92823 NX92823 used by Sikorsky Helicopters. Built 1949. Aircraft history and location Aircraft History NX92823 Sikorsky Helicopters Sikorsky S-52-1, c/n 52-001, ff:? reg Sikorsky as S-52-1, NX92823, 1949. NC92823 Sikorsky Helicopters reg Sikorsky as NC92823, unk wfu & cannibalized, presumed scrapped, unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send