pointSixtyFive

MIDDLE MARKER

Pilot/Controller Glossary with JO 7110.65BB, Change 3, effective July 9, 2026 · Official text on faa.gov

A marker beacon that defines a point along the glideslope of an ILS normally located at or near the point of decision height (ILS Category I). It is keyed to transmit alternate dots and dashes, with the alternate dots and dashes keyed at the rate of 95 dot/dash combinations per minute on a 1300 Hz tone, which is received aurally and visually by compatible airborne equipment.

See INSTRUMENT LANDING SYSTEM (ILS); MARKER BEACON.

Refer to AIM.

In the 7110.65

Used in 2 paragraphs of JO 7110.65BB.

  1. 3-3-7Far Field Monitor (FFM) Remote Status Unit
  2. 3-7-5Precision Approach Critical Area