Helicopter Westland Sea King Mk.42 Serial wa 733 Register IN501 used by Bharatiya Nau Sena (Indian Navy). Aircraft history and location Aircraft History IN501 1971 Bharatiya Nau Sena Westland Sea King Mk.42, cn WA 733, ff? del Indian Navy as IN501, unk Send Updates Use APP to upload photo @ (optional) When Now? / / Send