Helicopter Westland Sea King Mk.42B Serial wa 994 Register IN531 used by Bharatiya Nau Sena (Indian Navy). Built 1989. Aircraft history and location Aircraft History IN531 Bharatiya Nau Sena 1989-08l/n aug89 at Yeovil f/f 13/08/1989, d/d 25/06/1990 to Indian Navy as IN531 Send Updates Use APP to upload photo @ (optional) When Now? / / Send