A fixed wing plane is a conventional airplane as opposed to a helicopter or autogyro. the blades of a helicopter or autogyro are considered to be rotating wings.
Bernie Karik on Fox now. Says police will go to level 3 which brings police in from the outlying areas. They will remain on high alert until they are convinced this isn't terrorism. Says they will assume they will lose everything above the strike zone and concern will be to get people out who are trapped.