Glossary

ALL - A9 B2 C3 F2 G1 I1 L2 R2 S3 T2 U2 11 E1 O1

  • Outer marker

    Part of the ILS system. The outermarker is a marker beacon transmitting on a special frequency. This beacon turns a light on in the cockpit if flown over. This beacons ( inner marker, middle marker,outer marker) will be replaced by DME ( distances) readings in future.