Helicopter Westland Sea King Mk.42 Serial wa 735 Register IN503 used by Bharatiya Nau Sena (Indian Navy). Aircraft history and location Aircraft History IN503 Bharatiya Nau Sena 1981-02-01Westland Sea King Mk.42, cn WA735, ff? del Indian Navy as IN503, unk w/o 01feb81. ditched at sea Send Updates Use APP to upload photo @ (optional) When Now? / / Send