Ranchi: Jharkhand Chief Minister Arjun Munda and five others including his wife Meera miraculously survived when their helicopter crashed at Ranchi's Birsa Munda Airport on Wednesday. The helicopter, Agusta AW 109 with twin engines, crash landed at the Birsa Munda Airport at 12:30 pm while trying to make an emergency landing following a technical snag in the rotor.