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| Definition Of: |
Outer Marker
(See also Compass Locator, Glideslope, Instrument Landing System, Localizer, Middle Marker) A marker beacon at or near the glideslope intercept altitude of an Instrument Landing System (ILS) approach. It is keyed to transmit two dashes per second on a 400 Hz tone, which is received aurally and visually by compatible airborne equipment. The OM is normally located four to seven miles from the runway threshold on the extended centerline of the runway. (FAA4)
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Transportation Dictionary INDEX:
List of Terms: Terms beginning with "A", Page 1 |
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Page Number:
1 2 3 4 5 6 A: Page 1 of 6.
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