|Above Ground Level|
Над землей, над уровнем земли; высота над местностью, геометрическая [истинная] высота agl;
ceiling; abs clg;
- The maximum altitude above sea level at which an aircraft can maintain level flight under standard air conditions.
- Теоретический потолок (л а)
Any stall made to occur at other than 1g.
Mechanical and electrical units mounted on an engine necessary for its operation, such as starter, magnetos, fuel pumps, etc.
National low-frequency radio navigation system (c.1930-c.1950) replaced by an omnirange (vor) system. it consisted of four segmented quadrants broadcasting morse code "a" (dot-dash) and "n" (dash-...
|adiabatic lapse rate|
The rate at which ascending air cools and descending air warms, given that no heat is added or taken away. the rate for dry air (dalr) is based on 5.4° f per 1000' altitude (1° per 100 meters). mo...
Yaw generated when the ailerons are used. the lifting wing generates more drag, causing an airplane to yaw (turn) toward it.
Above Ground Level; airborne gun laying; airborne gun laying (radar); arrester-gear landing;
- Above ground level, as a measurement of altitude above a specific land mass, and differentiated from msl.
- Above ground level
- Airborne gun laying
- Airborne gun l...
|air defense identification zone|
- The area of airspace over land or water, extending upward from the surface, within which the ready identification, the location, and the control of aircraft are required in the interest of nat...
|air route traffic control center or "center"|
A facility established to provide air traffic control service to aircraft operating on ifr flight plans within controlled airspace and principally during the en route phase of flight. when equipme... artcc;
|air speed indicator|
An instrument or device that measures the air speed of an aircraft through an air mass, but not its ground speed.
An aircraft operator who conducts operations for hire or compensation in accordance with far part 135 in an aircraft with 30 or fewer passenger seats and a payload capacity of 7,500# or less. an a...
The shape of any flying surface, but principally a wing, as seen in side-view ("cross-section"). its characteristics are center of pressure (cp), drag (cd), lift (cl), lift-drag ratio (l/d), and m...
|airport traffic control tower|
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. au... ATCT;
- Trademark name of alcoa for high-strength sheet aluminum clad with a layer (approximately 5.5% thickness per side) of high-purity aluminum, popularly used in airplane manufacture.
Airspace which may contain a high volume of pilot training activities or an unusual type of aerial activity, neither of which is hazardous to aircraft. alert areas are depicted on aeronautical cha...
Devised for reasons of clarity in aviation voice radio, this is the current nato version in global use: alfa bravo charley delta echo foxtrot golf hotel india juliet kilo lima mike november oscar ... phonetics; алфавит;
a; amph; амфибия;
- A seaplane or floatplane with retractable wheels for use on land, as well. the latter spelling was used in the '20s and '30s but has since fallen out of favor.
- Самолет-амфибия; амфи...
|angle of attack|
The acute angle at which a moving airfoil meets the airstream.
|angle of incidence|
- The angle at which an airfoil is normally fixed in relation to the longitudinal axis of an aircraft.
- Same as "approach angle"
- The angle between an incident ray and the no...
The downward angle of a wing in relation to a horizontal cross-section line cathedral; cathedral.; безгранный;
- Radio navigation
- Управление заходом на посадку [при заходе на посадку]
- Управление заходом на посадку
Aerospace research applications center army radar approach control; army radar approach control (aaf); aviation rulemaking advisory committee; aerospace research applications center;
In aircraft weight and balance, as well as load distribution, it is the distance from the center of gravity (c/g) to some point. for computations, arms measured forward from the c/g are positive (...
|army radar approach control|
class c; airport service radar area;
- A vacuum-powered panel instrument that displays pitch and roll movements about the lateral and longitudinal axes; aka attitude indicator.
- A device for indicating the horizon, as a b...
The ratio of the span to the chord of an airfoil—a high-aspect ratio wing has wide span and narrow chord, and vice-versa for a low-aspect ratio wing.
tower/airport traffic control tower; airport traffic control tower;
AUTOMATIC TERMINAL INFORMATION SERVICE; automated terminal information service; air technical intelligence service; air traffic integration system; arizona transportation information system (adot);
- Air technical intelligence service
- Air traffic integration system
- Automatic terminal information service
- Arizona transportation information system (adot)
Automatic rotation of rotary blades from a helicopter in an unpowered glide or the forward movement of an autogyro.
|Automatic Direction Finding|
Автоматическая радиопеленгация adf;
|AUTOMATIC TERMINAL INFORMATION SERVICE|
- Continuous broadcast of recorded non-control information in selected terminal areas, to improve controller effectiveness and to relieve frequency congestion by automating repetitive transmissi...
|balanced control surface|
A movable control surface, as an aileron or rudder, having an added physical extension or weights forward of the hinge-point to reduce forces on a joystick or yoke. elephant ears;
Since the pressure of a fluid is proportional to its velocity, airflow over the upper surface of an airfoil causes suction [lift] because the airstream has been speeded up in relation to positive ...
Hot air at high pressure, usually from the bypass section of a gas turbine engine, for de-icing, heating, and other uses.
- The design or control of slotted or perforated wings with suction methods to reduce undesirable aerodynamic effects caused by the boundary layer—that region adjacent to the boundary where shea...
An engine fairing, generally circular, with welts or compound shapes in its surface to accommodate cylinder heads.
Wing strut attached to the fuselage.
The indicated airspeed of an aircraft, corrected for position and instrument error. cas is equal to true airspeed in standard atmosphere at sea level. compare indicated airspeed and true airspeed.... true airspeed; cas;
The convex or concave curvature of an airfoil.
An arrangement in which the horizontal stabilizer and elevators of an aircraft are mounted in front of the main wing(s).
ceiling and visibility unlimited;
- Ceiling and visibility unlimited; ideal flying weather.
- Ceiling and visibility unlimited
An air route traffic control center. artcc;
|center of gravity (c/g)|
The longitudinal and lateral point in an aircraft where it is stable; the static balance point.
An airport operating under far part 139. the faa issues airport operating certificates to all airports serving scheduled or unscheduled air carrier aircraft designed for more than 30 passenger sea...
The measurable distance between the leading and trailing edges of a wingform.