The captain of the coast guard plane that was involved in a collision with a Japan Airlines aircraft this week at Tokyo's Haneda airport may have not heard the exchanges between the JAL plane and the airport traffic controller as his radio may have been set at a different frequency, a transport ministry official said Saturday.According to the transcript of the radio communications released Wednesday by the ministry, the tower controller, who determines when planes can enter the runway and take off, gave clearance to the JAL plane to land before the deadly accident occurred at one of Japan's…READ FULL ARTICLE