Helicopter Westland Sea King Mk.42 Serial wa 738 Register IN506 used by Bharatiya Nau Sena (Indian Navy). Aircraft history and location Aircraft History IN506 Bharatiya Nau Sena 1983-06-18Westland Sea King Mk.42, cn WA738, ff? del Indian Navy as IN506, unk w/o 18Jun83. Send Updates Use APP to upload photo @ (optional) When Now? / / Send