Helicopter Bell 222 Serial 47083 Register PT-HTH N23021 used by Bell Helicopter. Built 1982. Aircraft history and location Aircraft History N23021 Bell Helicopter Bell 222 cn 47083, ff:? reg Bell Helicopters as N23021, 1982 PT-HTH - xfer Braziil as PT-HTH, unk w/o unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send