FAA-H-8083-25C · Source PDF page 478
Glossary
Glossary · PHAK page G-2
Searchable transcription
Aeronautical chart. A map used in air navigation containing Airplane Flight Manual (AFM). A document developed
all or part of the following: topographic features, hazards and by the airplane manufacturer and approved by the Federal
obstructions, navigation aids, navigation routes, designated Aviation Administration (FAA). It is specific to a particular
airspace, and airports. make and model airplane by serial number and it contains
operating procedures and limitations.
Aeronautical decision-making (ADM). A systematic
approach to the mental process used by pilots to consistently Airplane Owner/Information Manual. A document
determine the best course of action in response to a given developed by the airplane manufacturer containing general
set of circumstances. information about the make and model of an airplane. The
airplane owner’s manual is not FAA approved and is not
Agonic line. An irregular imaginary line across the surface of specific to a particular serial numbered airplane. This manual
the Earth along which the magnetic and geographic poles are is not kept current, and therefore cannot be substituted for
in alignment, and along which there is no magnetic variation. the AFM/POH.
Ailerons. Primary flight control surfaces mounted on the Airport diagram. The section of an instrument approach
trailing edge of an airplane wing, near the tip. Ailerons control procedure chart that shows a detailed diagram of the
roll about the longitudinal axis. airport. This diagram includes surface features and airport
configuration information.
Aircraft. A device that is used, or intended to be used, for
flight. Airport/Facility Directory (A/FD). See Chart Supplement
U.S.
Aircraft altitude. The actual height above sea level at which
the aircraft is flying. Airport surface detection equipment (ASDE). Radar
equipment specifically designed to detect all principal
Aircraft approach category. A performance grouping of features and traffic on the surface of an airport, presenting the
aircraft based on a speed of 1.3 times the stall speed in the entire image on the control tower console; used to augment
landing configuration at maximum gross landing weight. visual observation by tower personnel of aircraft and/or
vehicular movements on runways and taxiways.
Air data computer (ADC). An aircraft computer that
receives and processes pitot pressure, static pressure, and Airport surveillance radar (ASR). Approach control
temperature to calculate very precise altitude, indicated radar used to detect and display an aircraft’s position in the
airspeed, true airspeed, and air temperature. terminal area.
Airfoil. Any surface, such as a wing, propeller, rudder, or Airport surveillance radar approach. An instrument
even a trim tab, which provides aerodynamic force when it approach in which ATC issues instructions for pilot
interacts with a moving stream of air. compliance based on aircraft position in relation to the final
approach course and the distance from the end of the runway
Air mass. An extensive body of air having fairly uniform as displayed on the controller’s radar scope.
properties of temperature and moisture.
Air route surveillance radar (ARSR). Air route traffic
AIRMET. Inflight weather advisory issued as an amendment control center (ARTCC) radar used primarily to detect
to the area forecast, concerning weather phenomena of and display an aircraft’s position while en route between
operational interest to all aircraft and that is potentially terminal areas.
hazardous to aircraft with limited capability due to lack of
equipment, instrumentation, or pilot qualifications. Air route traffic control center (ARTCC). Provides ATC
service to aircraft operating on IFR flight plans within
Airplane. An engine-driven, fixed-wing aircraft heavier than controlled airspace and principally during the en route phase
air that is supported in flight by the dynamic reaction of air of flight.
against its wings.
Airspeed. Rate of the aircraft’s progress through the air.
G-2