The DGCA has launched a probe into the helicopter accident in Ranchi in which Jharkhand Chief Minister Arjun Munda suffered injuries. Director General of Civil Aviation E K Bharat Bhushan said Assistant Director (Air Safety) Sanit Kumar has been appointed as the Investigating Officer. The twin-engined helicopter, Agusta AW 109, crash-landed at the Birsa Munda Airport at 12:30 pm while trying to make an emergency landing following a technical problem. Official sources said all aspects of the accident, including the reported technical snag, would be investigated by the DGCA probe panel, adding the chopper turned turtle after hitting the ground.