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outer marker
Definição1
A marker beacon at or near the glideslope intercept altitude of an 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.
Fonte1
FEDERAL AVIATION ADMINISTRATION. Pilot/controller glossary (P/CG). 2014. Disponível em: https://www.faa.gov/air_traffic/publications/atpubs/pcg/index.htm. Acesso em: 10 jun. 2014.
Nota adicional1
NA1: Acronym in English: OM.
Subárea1
Air Navigation Aids
Related Term
inner marker
Português
marcador externo