RAF Geilenkirchen on a map from 1956 - The approach areas of the three British airfields Geilenkirchen,
Wildenrath and
Brüggen are protected by restricted areas. The white "E" in the circle symbolizes the
Eureka radio beacon, used by the British at this time. The square around the airport symbol with the "V" underneath shows an VHF direction finder. The black star stands for the coded beacons which is characteristical for British airfields