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Glossary

F - "Foxtrot"
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Facility
Revision: 09 Mar 2022

Definition

A physical building from which air traffic control services are conducted. For example, New York enroute air traffic control services are conducted from a building in Ronkonkoma, NY referred to as the New York ARTCC.

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Feedback
Revision: 21 Feb 2022

Definition

A method of leaving positive or negative comments about another POSCON Member's conduct or performance on the network.

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Feedback Receiver
Revision: 21 Feb 2022

Definition

The user receiving feedback.

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Feedback Submitter
Revision: 21 Feb 2022

Definition

The user submitting feedback about another user.

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Feet Per Minute (FPM)
Revision: 21 Feb 2022

Definition

Feet Per Minute in regards to vertical speed.

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Fixed Airspace Volume (FAV)
Revision: 08 Mar 2022

Definition

A single volume of airspace with vertical and lateral dimensions that do not change based on any special conditions. One or more FAVs are used to define a Sector.

FAVs are typically assigned to a single enroute facility (FIR) in order to define Sectors within that FIR.

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Frames Per Second (FPS)
Revision: 21 Feb 2022

Definition

Is the frequency (rate) at which consecutive images (frames) are captured or displayed. The term applies equally to film and video cameras, computer graphics, and motion capture systems. Frame rate may also be called the frame frequency, and be expressed in hertz. Frame rate in electronic camera specifications may refer to the maximal possible rate, where, in practice, other settings (such as exposure time) may reduce the frequency to a lower number.

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Fault Detection and Exclusion (FDE)
Revision: 21 Feb 2022

Definition

FDE technology allows onboard GPS equipment to automatically detect a satellite failure that effects navigation and to exclude that satellite from the navigation solution.

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Flight Management Systems (FMS)
Revision: 21 Feb 2022

Definition

An integrated system used by flightcrews for flight planning, navigation, performance management, aircraft guidance, and flight progress monitoring.

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Free Flight
Revision: 21 Feb 2022

Definition

A safe and efficient flight operating capability under instrument flight rules (IFR) in which the operators have the freedom to select a path and speed in real time. Air traffic restrictions are imposed only to ensure separation, to preclude exceeding airport capacity, to prevent unauthorized flight through special use airspace, and to ensure safety of flight. Restrictions are limited in extent and duration to correct the identified problem. Any activity that removes restrictions represents a move toward Free Flight.

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