sentences:  In 1957, a ministry working party reviewing the Air Navigation Order concluded that it was anomalous to regulate the use of the Civil Air Ensign when no special regulations were required to control the use of its maritime equivalent, the Red Ensign.All mention of the Civil Air Ensign was therefore omitted from the Air Navigation Order 1960.It was part of the livery, as the tail logo, of the Civil Aviation Flying Unit (CAFU) and its predecessors from 1944 to 1982.