Technology Glossary : F

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  • F
  • F D FD
    Flight Director
  • F D D I
    Fiber Distributed Data Interface.
  • FA
    Final Approach
  • FAA
    Federal Aviation Administration
  • FAC
    Full Aperture Calibrator
  • Facilities
    Term used by telecommunication engineers to indicate communications systems
    Telecommunications provider that owns its facilities in Connecticut.
  • Facsimile Fax
    The electronic transmission of printed material by electronic means over a telephone system. An image is scanned at a transmitting...
  • Facsimile Machine fax
    A telecopying device that electronically transmits written or graphic material over telephone lines to produce "hard copy" at a remote...
    Full Authority Digital Engine Control
  • FAF
    Final Approach Fix
  • FAIL
    FMC Fail
  • Failure
    The inability of a system, subsytem, unit or part to perform within previously specified limits.
  • fan
    The fan is the first component in a turbofan. The fan pulls air into the engine. The large spinning fan...
  • FANS
    Future Air Navigation Systems
  • FAQ
    List of frequently asked questions and their answers.
  • FAR
    Federal Aviation Regulations (federal rules under which flight operations are conducted)
  • FAR
    Federal Acquisition Regulation
  • FAST
    Final Approach Spacing Tool
  • FBO
    Fixed Based Operator
  • FCC
    Federal Communications Commission.
  • FCC
    Federal Communications Commission
  • FCC
    Flight Control Computer
  • FCC Number
    Sequential number assigned by the Secretary
  • FCC Record
    A bi-weekly comprehensive compilation of decisions, reports, public notices and other documents released by the Commission. The FCC Record replaced...
    Standards-based display format for communicating between videoconference systems from different vendors.
  • FCU
    Flight Control Unit
    Flight Data Acquisition and Management System
  • FDC
    Flight Data Company
  • FDR
    Flight Data Recorder
    Future European Air Traffic System
  • FEB
  • Federal Communications Commission FCC
    The FCC was established by the Communications Act of l934 and is charged with regulating interstate and international communications by...
  • Feed
    This refers to a satellite transmission of a package or documentary.
  • FEMA Federal Emergency Management Agency
    one of the three federal agencies that administer EAS; the Federal agency responsible for civil defense. It is the Federal...
  • FF
    Fuel Flow
  • FGS C
    Flight Guidance System/Computer
  • FHSS
    Frequency-Hopping Spread Spectrum
  • Fiber Optic Cable
    Bundled glass rods (fibers) that are extremely thin and flexible and are capable of transmitting voice, video, and data signals...
  • Fiber Optics
    A light wave or optical communications system in which electrical information is converted to light energy, transmitted to another location...
    A means for transmitting digital information (voice, video, data) over high purity, hair-thin fibers of glass in the form of...
  • Fiber Optics
    A method for the transmission of information (sound, video, data) in which light is modulated and transmitted over high purity,...
  • field of view
    The solid angle through which an instrument is sensitive to radiation. See instantaneous field of view, and resolution.
  • Figure 8 Cable
    An aerial cable configuration in which the conductors and the steel strand which supports the cable are integrally jacketed. A...
  • File
    a block of information stored on a magnetic media such as a floppy or hard disk or a tape. A...
  • File Transfer Protocol FTP
    A standard Internet protocol for transferring files from one computer to another.
  • Filled Cable
    A cable construction in which the cable core is filled with a gel material that will prevent moisture from entering...
  • Filtering
    Filtering is the process of controlling access to a network by analyzing the incoming and outgoing packets. A filter lets...
  • FIPS Number
    a five character ASCII code in the EAS headers that represents those counties affected by an EAS activation, as defined...
  • FIR
    Flight Information Region
  • Firewall
    An electronic boundary (or physical piece of hardware) that prevents unauthorized users and/or packets of data or information (e.g., files...
  • Firewall
    an electronic boundary that prevents unauthorized users and/or packets of data or information (e.g., files and programs) from accessing a...
  • Fix
    Position in space usually on aircraft's flight plan
  • Fixed Service
    Radio-communications service between specified fixed points.
  • Fixed Wireless
    These "computers" are wireless devices or systems that are in fixed locations, such as an office or home, as opposed...
  • FL
    Flight Level
  • Flash
    a popular authoring software developed by Macromedia. It is used to provide much in the way of web animation. It...
  • Flat file database
    a database where information is stored in a single table (e.g., a table in which there is a list of...
  • Flat Rate
    A method of pricing in which a fixed rate is charged for a given service, regardless of usage. The fixed...
  • FLCH
    Flight Level Change
    Flight Data Replay and Analysis System
  • Floppy disk
    see Diskette.
  • FLT
  • FM Cable Service
    The offering of FM radio signals over a cable system for a fee. A cable is connected to the...
  • FMA
    Flight Mode Annunciator: display on or near the PFDs of the current modes of autoflight system
  • FMC
    Flight Management Computer (also FMCS - FMC System)
  • FMGC
    Flight Management Guidance Computer
  • FMGS
    Flight Management Guidance System
  • FMS
    Flight Management System
    A Commission term, a Further Notice of Proposed Rule Making is issued by the Commission to further clarify and seek...
  • FO
    First officer
  • focal plane
    In an instrument such as the Enhanced Thematic Mapper Plus (ETM+), the plane occupied by the detectors, and on which...
  • focal point
    The point toward which light rays converge to form an image after passing through a lens or having been reflected...
  • Footprint
    The area of the earth's surface where a particular satellite's signal can be received. A footprint can cover one-third of...
  • Footprint
    The area in which a specific transmission can be received. Some footprints cover as much as one-third of the earth,...
  • FOQA
    Flight Operations Quality Assurance
  • forces of flight
    lift, drag, gravity, thrust
  • FPA
    Flight Path Angle
  • FPA
    Focal Plane Array
  • FPM
    Feet Per Minute
  • FQIS
    Fuel Quantity Indicating System
  • FR
  • FRA
    Flap Retraction Altitude
  • FRA
    Federal Railroad Administration
  • Frame
    A packet of transmitted information. The frame contains all of the necessary information to indicate the origin and destination, control...
  • frame
    Any individual member of a continuous sequence of images.
  • Frame rate
    Frequency with which video frames are displayed on a monitor, typically described in frames-per-second (fps). Higher frame rates improve the...
  • Frame Relay
    A packet-switching protocol for connecting devices on a Wide Area Network (WAN). Frame relay networks in the United States support...
  • Frames
    A feature supported by most modern web browsers than enables the web site author to divide the browser display area...
  • Franchise Authority
    The franchise authority is the local body, usually a local government enity, that enters into a contractual agreement with a...
  • Freeware
    Software, which is free to users and is avail-able from many locations on the Internet.
  • FREQ
  • Frequency
    A measurement of the number of electromagnetic waves that pass a given point in a given time period. It is...
  • Frequency Division Multiplexing
    FDM. Combining analog circuits by assigning each a different carrier frequency and merging them into a single communication signal.
    A signaling method that varies the carrier frequency in proportion to the amplitude of the modulating signal.
  • Frequency Modulation FM
    A means of adding voice or data to a radio frequency transmission by varying the carrier frequency. Broadcast stations in...
    A signaling method that varies the carrier frequency in proportion to the amplitude of the modulating signal.
  • Frequency Modulation FM
    Radio transmission covering 88-108 megahertz on the broadcast band. FM is less susceptible to interference than AM broadcasting, and is...
  • Frequently asked questions FAQs
    a listing of questions typically asked along with the answers to the questions. This list is prepared to help novice...

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