en

outer marker

1

Terminological databases

Lennunduse terminibaas

ID 735274 Last modified 03.05.2024
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Domain air trafficradio navigation systems
kaugmarker
OM
outer marker
outer marker beacon
out marker
OM
  • an ILS (instrument landing system) navigational facility in the terminal area navigation system located at 4 to 7 miles (6 to 11 km) from the runway edge on the extended centerline
    Good to know
    • It transmits a 75-MHz fan-shaped radiation pattern, modulated at 400 Hz (fan markers and station markers radiate at 3000 Hz, whereas middle markers do so at 1300 Hz), keyed at two dashes per second, and received by compatible airborne equipment. It indicates to the pilot, both aurally and visually, that he or she is passing over the facility and can begin the final approach.
Good to know
  • Valdkond ICAO lisade põhjal loodud klassifikaatori järgi: Lennundusside (telekommunikatsioon)
Related
kaugmarker
Usage examples
  • Kaugmarker (OM) asub tavaliselt 4-7 NM, keskmarker 0,6 NM ja lähimarker asub keskmarkeri ja raja läve vahel, 250-1500 ft raja lävest. Kaugmarker tähistab glissaadi sisenemise punkti ja selle ületamisel võib kuulda signaali sagedusel 400 Hz 2 kriipsu sekundis, kriipsudega sünkroonselt vilgub sinine markeri lamp armatuurlaual.
OM abbreviation
outer marker
Usage examples
  • The outer marker shall be located so as to provide height, distance and equipment functioning checks to aircraft on intermediate and final approach.
outer marker beacon
Usage examples
  • As mentioned, an outer marker beacon transmitter is located 4–7 miles from the threshold. It transmits a 75 MHz carrier wave modulated with a 400 Hz audio tone in a series of dashes.
out marker
OM abbreviation

Metroloogia terminibaas

ID 1121212 Last modified 06.12.2024
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Domain metrologymeasuring instruments
kaugmarkermajakas preferred
kaugmarker
outer marker beacon preferred
outer marker
OM
  • markermajakas, mis on kasutusel lennunduses, tavaliselt koos riistmaandumissüsteemiga, et anda pilootidele võimalus kindlaks määrata kindlaksmääratud marsruudil sihtkoha asukoht
  • beacon used in aviation, usually in conjunction with an instrument landing system, to give pilots a means to determine position along an established route to a destination such as a runway
kaugmarkermajakas preferred
Usage examples
  • Kaugmarkermajakas on selline marker, mis identifitseerib ja fikseerib tavaliselt lennumasina lõpliku lähenemise ja asub samal kursil/maandumisraja keskjoonel 4 meremiili kuni 7 meremiili enne raja läve.
kaugmarker
outer marker beacon preferred
outer marker
OM abbreviation

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