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Definitions Acronyms: Difference between revisions
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; OBS : Omni Bearing Selector, part of a VOR gauge, used to rotate the course card | ; OBS : Omni Bearing Selector, part of a VOR gauge, used to rotate the course card | ||
; OM : Outer Marker, part of ILS, beacon that provides range information, 4-7NM from runway threshold | ; OM : Outer Marker, part of ILS, beacon that provides range information, 4-7NM from runway threshold | ||
; PAPI : [[Precision Approach Path Indicator]][http://en.wikipedia.org/wiki/Precision_Approach_Path_Indicator | ; PAPI : [[Precision Approach Path Indicator]] ([http://en.wikipedia.org/wiki/Precision_Approach_Path_Indicator PAPI]), similar to VASI, but more precise, uses four lights | ||
; PD : Primary Display | ; PD : Primary Display | ||
; PF : Pilot Flying, the person that currently controls the airplane, can be either Captain or F/O | ; PF : Pilot Flying, the person that currently controls the airplane, can be either Captain or F/O | ||