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This is an Abbreviation for Aviation for example General Aviat, Another Abbreviation for Aviation is AVN and as an example you can say “Military AVN”.
Yaw generated when the ailerons are used. The lifting wing generates more drag, causing the plane to yaw toward it.
Above Ground Level. Used in reference to altitude, e.g. 5000 ft AGL. See also MSL.
Hinged portions of the trailing edges of a wing which can change the wing’s lifting properties.
AIM (Airman’s Information Manual)
A primary FAA publication whose purpose is to instruct airmen about operating in the US airspace system.
The speed of an aircraft relative to its surrounding air mass. See: calibrated airspeed; indicated airspeed; true airspeed.
An onboard instrument which registers velocity through the air, in miles per hour or in knots.
An onboard instrument which senses air pressure in order to gauge altitude.
The barometric pressure reading used to adjust a pressure altimeter for variations in existing atmospheric pressure or to the standard altimeter setting (29.92 inches of Hg).
AOA (Angle Of Attack)
The angle between the chord line of the wing of an aircraft and the relative wind.
The recommended speed contained in aircraft manuals used by pilots when making an approach to landing. This speed will vary for different segments of an approach as well as for aircraft weight and configuration.
A defined area on an airport or heliport intended to accommodate aircraft for purposes of loading or unloading passengers or cargo, refueling, parking, or maintenance.
Air Traffic Control. A service operated by appropriate authority to promote the safe, orderly and expeditious flow of air traffic.
attitude indicator; artificial horizon
A vacuum powered instrument which displays pitch and roll movement about the lateral and longitudinal axes.
CAS (Calibrated AirSpeed)
The indicated airspeed of an aircraft, corrected for position and instrument error. Calibrated airspeed is equal to true airspeed in standard atmosphere at sea level.
The height above the earth’s surface of the lowest layer of clouds or obscuring phenomena, under which fighter-bombers can visually work a target, i.e. a 200-foot ceiling would be quite dangerous. Or, in reference to aircraft performance, the maximum altitude an aircraft is able to reach and maintain.
A line drawn from the leading edge of the wing to the trailing edge.
Streaks of condensed water vapor created in the air by aircraft flying at high altitudes.
The controlling influences a pilot exerts on an aircraft’s control surfaces.
The moving, pilot-controllable parts of the air-frame, including flaps, ailerons, rudders and elevators.
A combination of control inputs that cause a maximally efficient turn.
Flying without the aid of engine power.
The upward angle of the airplane’s wings with respect to the horizontal.
The tendency of an aircraft to keep flying the direction its pointed.
dirty; dirty up
Extension of gear, hook, flaps, etc. for slow speed flight or landing.
A condition of being threatened by serious and/or imminent danger and of requiring immediate assistance.
To land safely somewhere other than a runway.
To change from a scheduled landing base to an alternate airfield.
Force created by an airfoil moving through atmosphere, opposite to the direction of motion.
Hinged portion of the horizontal stabilizer, which adds or subtracts lift from the tail, changing the pitch attitude of the aircraft.
Estimated Time of Arrival. The time the flight is estimated to arrive at its destination.
Used when prompt compliance is required to avoid the development of an imminent situation.
Federal Aviation Regulations. The laws under which airmen in the US fly.
FBO (Fixed Base Operator)
The small but important building near the ramp and runways of a small airport, from which airfield activity is coordinated.
Used to mean an aircraft is on proper heading, descent rate, airspeed, and altitude during runway approach prior to landing, or to a target prior to weapons release.
Hinged portions of the wing that act together to increase the lift characteristics of the wing. Most often used to allow slower landings, and shorter takeoffs. Not present in most aerobatic aircraft.
The maneuver performed moments before landing in which the nose of an aircraft is pitched up to minimize the touchdown descent rate. Also ensures that the main landing gear touches before the nose wheel in tricycle geared aircraft.
Where aircraft are parked between missions.
Feet Per Minute. Unit of measure, used for ROC or sometimes speed.
The central part of an aircraft, which besides being a common attachment point for other major components also contains the cockpit/cabin, avionics, and any cargo space.
Landing gear, the undercarriage and wheels of an aircraft.
The speed of an aircraft relative to the surface of the earth.
The horizontal section of the tail, which provides downward lift to balance the weight of the nose.
IAS (Indicated AirSpeed)
The speed of an aircraft as shown on its pitot static airspeed indicator calibrated to reflect standard atmosphere adiabatic compressible flow at sea level uncorrected for airspeed system errors.
Instrument Flight Rules. Weather conditions too poor for flight under VFR.
Intrument Landing System. A precision instrument approach system, generally used to land at fields experiencing weather.
The altitude as shown by an altimeter.
INS (Inertial Navigation System)
A totally self-contained system which requires no information from outside references. Provides aircraft position and navigation information in response to signals resulting from inertial effects on components within the system.
A migrating stream of high-speed winds present at high altitudes.
Knots Indicated Air Speed. IAS, in knots.
One nautical mile per hour, which is about 1.15 stature miles per hour.
Knots True AirSpeed. TAS, in knots.
The axis about which an aircraft pitches, extending out along each wing.
Stability about an airplane’s longitudinal (nose to tail) axis.
Force created by an airfoil moving through atmosphere, perpendicular to the direction of motion.
The ratio of a specified load to the total weight of the aircraft. The specified load is expressed in terms of any of the following: aerodynamic forces, inertia forces, or ground or water reactions.
A pilot’s record of his flying achievements, including flight time, takeoffs, landings, and maneuvers mastered.
The axis about which an aircraft rolls, extending from nose to tail.
The characteristic of returning to the trimmed angle of attack after a displacement.
The international radiotelephony distress signal. When repeated three times, it indicates imminent and grave danger and that immediate assistance is requested.
Minimum Controllable Airspeed. The speed below which your control surfaces do not generate sufficient lift to control the aircraft.
MSL (Mean Sea Level)
The average height of the surface of the sea for all stafes of tide; used as a reference for elevations throughout the U.S.
Nautical Miles. One nautical mile = 1.15 statute miles = 6,080 feet.
The international radio-telephony urgency signal. When repeated three times, indicates uncertainty or alert followed by the nature of the urgency.
Pilot In Command. The pilot responsible for the operation and safety of an aircraft during flight time.
Navigation by visual reference to landmarks.
The angle of the airplane’s longitudinal axis relative to horizontal.
An airfield parking lot for aircraft.
For a given airplane, the airspeed above which it is unsafe to fly. Redlining the plane may over stress or even damage structural elements in the plane.
Rate Of Climb. The speed at which an aircraft is gaining (or losing) altitude, usually measured in hundreds or thousands of FPM.
To change the angle of the plane’s wings relative to horizontal; also, any maneuver in which the aircraft attains every roll attitude.
Rotations Per Minute. A unit of measure for such things as engine speed.
A hinged, movable section of the vertical stabilizer used to control the aircraft’s yaw. Also used as a verb, meaning to angle the rudder in a particular direction.
standard rate turn
A turn of three degrees compass heading per second.
A control in the cockpit which controls the elevators (forward/back axis) and the ailerons (left/right axis).
An onboard instrument which gauges engine speed, in RPMs.
True AirSpeed. The airspeed of an aircraft relative to undisturbed air.
The movement of an airplane under its own power on the surface of an airport.
A road leading from the airplane parking area to the runway; always marked with yellow lines.
The control in the cockpit which controls engine output.
A terminal facility that uses air/ground communications, visual signaling, and other devices to provide ATC services to aircraft operating in the vicinity of an airport or on the movement area.
The traffic flow that is prescribed for aircraft landing at, taxiing on, or taking off from, an airfield.
A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies.
To adjust an aircraft’s trim tabs and thereby relieve the pressure required on the controls to keep the nose in the desired position.
Speed for best angle of climb.
Speed for best rate of climb.
The vertical section of the tail, which helps keep the airplane aligned with its direction of motion.
VSI (Vertical Speed Indicator)
An onboard instrument which gauges rate of climb or descent, in feet per minute.
A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VORTAC station or in terms of latitude/longitude coordinates.
The angle of the plane’s longitudinal axis relative to its direction of motion.
The imaginary vertical axis about which an aircraft yaws.
Greenwich Mean Time, also known as Universal Coordinated Time.