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Pilot/Controller Glossary

3/29/18

PCG F−2

FINAL APPROACH FIX− The fix from which the

final approach (IFR) to an airport is executed and

which identifies the beginning of the final approach

segment. It is designated on Government charts by

the Maltese Cross symbol for nonprecision

approaches and the lightning bolt symbol,

designating the PFAF, for precision approaches; or

when ATC directs a lower-than-published

glideslope/path or vertical path intercept altitude, it is

the resultant actual point of the glideslope/path or

vertical path intercept.

(See FINAL APPROACH POINT.)
(See GLIDESLOPE INTERCEPT ALTITUDE.)
(See SEGMENTS OF AN INSTRUMENT

APPROACH PROCEDURE.)

FINAL APPROACH-IFR− The flight path of an

aircraft which is inbound to an airport on a final

instrument approach course, beginning at the final

approach fix or point and extending to the airport or

the point where a circle-to-land maneuver or a missed

approach is executed.

(See FINAL APPROACH COURSE.)
(See FINAL APPROACH FIX.)
(See FINAL APPROACH POINT.)
(See SEGMENTS OF AN INSTRUMENT

APPROACH PROCEDURE.)

(See ICAO term FINAL APPROACH.)

FINAL APPROACH POINT− The point, applicable

only to a nonprecision approach with no depicted

FAF (such as an on airport VOR), where the aircraft

is established inbound on the final approach course

from the procedure turn and where the final approach

descent may be commenced. The FAP serves as the

FAF and identifies the beginning of the final

approach segment.

(See FINAL APPROACH FIX.)
(See SEGMENTS OF AN INSTRUMENT

APPROACH PROCEDURE.)

FINAL APPROACH SEGMENT−

(See SEGMENTS OF AN INSTRUMENT

APPROACH PROCEDURE.)

FINAL APPROACH SEGMENT [ICAO]− That

segment of an instrument approach procedure in

which alignment and descent for landing are

accomplished.

FINAL CONTROLLER− The controller providing

information and final approach guidance during PAR

and ASR approaches utilizing radar equipment.

(See RADAR APPROACH.)

FINAL GUARD SERVICE− A value added service

provided in conjunction with LAA/RAA only during

periods of significant and fast changing weather

conditions that may affect landing and takeoff

operations.

FINAL MONITOR AID− A high resolution color

display that is equipped with the controller alert

system hardware/software used to monitor the no

transgression zone (NTZ) during simultaneous

parallel approach operations. The display includes

alert algorithms providing the target predictors, a

color change alert when a target penetrates or is

predicted to penetrate the no transgression zone

(NTZ), synthesized voice alerts, and digital mapping.

(See RADAR APPROACH.)

FINAL MONITOR CONTROLLER− Air Traffic

Control Specialist assigned to radar monitor the

flight path of aircraft during simultaneous parallel

(approach courses spaced less than 9000 feet/9200

feet above 5000 feet) and simultaneous close parallel

approach operations. Each runway is assigned a final

monitor controller during simultaneous parallel and

simultaneous close parallel ILS approaches.

FIR−

(See FLIGHT INFORMATION REGION.)

FIRST TIER CENTER− An ARTCC immediately

adjacent to the impacted center.

FIS−B−

(See FLIGHT INFORMATION

SERVICE−BROADCAST.)

FIX− A geographical position determined by visual

reference to the surface, by reference to one or more

radio NAVAIDs, by celestial plotting, or by another

navigational device.

FIX BALANCING− A process whereby aircraft are

evenly distributed over several available arrival fixes

reducing delays and controller workload.

FLAG− A warning device incorporated in certain

airborne navigation and flight instruments indicating

that:

a. Instruments are inoperative or otherwise not

operating satisfactorily, or