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-...
|Automatic Direction Finding|
Автоматическая радиопеленгация adf;
|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...
|Above Ground Level|
Над землей, над уровнем земли; высота над местностью, геометрическая [истинная] высота agl; высота от уровня земной;
|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...
|domestic air defense identification zone|
An adiz within the united states along an international boundary of the united states.
|coastal air defense identification zone|
An adiz over the coastal waters of the united states.
|distant early warning identification zone|
- An adiz over the coastal waters of the state of alaska. adiz locations and operating and flight plan requirements for civil aircraft operations are specified in far part 99.
- Зона оп...
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... поперечное; профиль крыла;
|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. ...
|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.
- 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 os...
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
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 (...
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.
- Air technical intelligence service
- Air traffic integration system
- Automatic terminal information service
- Arizona transportation information system (adot)
AUTOMATIC TERMINAL INFORMATION SERVICE; automated terminal information service; air technical intelligence service; air traffic integration system; arizona transportation information system (adot); automated tool identification system;
|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...
An aircraft, often wingless, with unpowered rotary airfoil blades that auto-rotate and serve as wings as they move through the air when mounted on a powered aircraft (or, in some cases, a glider)....
Automatic rotation of rotary blades from a helicopter in an unpowered glide or the forward movement of an autogyro.
|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; скорость,земная индикаторная;
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.
|class g airspace|
Airspace not designated as class a, b, c, d or e controlled airspace. uncontrolled airspace;
A padded, protective rim around an open cockpit.
A cockpit control that changes the pitch of a helicopter's rotor blades; used in climbing or descending. винта и газом двигателя); общий шаг несущего винта;
A circular duct on a radial engine into which exhaust gases from its cylinders are safely discharged.
|common traffic advisory frequency|
A frequency designed for the purpose of carrying out airport advisory practices while operating to or from an airport without an operating control tower. the ctaf may be a unicom, multicom, fss, o... ctaf;
- An air carrier operator operating under 14 cfr 135 that carries passengers on at least five round trips per week on at least one route between two or more points according to its published fli...
- A bearing as indicated by the horizontal angle between the compass needle and the centerline of the aircraft. a compass course is equal to a true course ± variation and deviation; also equal t...
- The north point at which a liquid compass needle points, rather than geographical, or true, north. compare magnetic north.
- Компасный север c/n construction number заводской номер cn;
|cone of silence|
- Click the adcock page.
-  space directly above a radio transmitter where its signal is indistinct or cannot be heard.  space directly below a sonar where submarines cannot be de...
A hydraulically-controlled propeller that governs an engine at its optimum speed by the blade pitch being increased or decreased automatically.
Navigation in which altitude and flight path can be maintained by visual reference to the ground and its landmarks. similar to vfr.
Contact flight in and around mountainous areas following visual reference to the terrain's countours.
vapor trail; condensation trail;
- Trailing streak of condensed water vapor created in the air by heat from an aircraft engine at high altitudes; aka vapor trail.
- Condensation trail
Generally, that airspace from 18,000' mean sea level (msl) up to and including flight level (fl) 600 (60,000' pressure altitude), including the airspace overlying the waters within 12 nautical mil... pca; positive control area;
Generally, that airspace from the surface to 10,000' msl surrounding the nation's busiest airports in terms of airport operations or passenger enplanements. the configuration of each class b airsp... tca; terminal control area;
Generally, that airspace from the surface to 4,000' msl above the airport elevation surrounding those airports that have an operational control tower, are serviced by a radar approach control, and... arsa; airport radar service area;
Generally, that airspace from the surface to 2,500' msl above the airport elevation surrounding those airports that have an operational control tower. the configuration of each class d airspace ar... ata;
Generally, if the airspace is not class a, b, c, or d, and is controlled airspace, it is class e airspace. class e airspace extends upward from either the surface or a designated altitude to the o... general controlled airspace;
Having two main landing wheels at the front and a tailwheel or tailskid at the rear as opposed to having a tricycle gear with three main wheels. such an aircraft is popularly called a taildragger.... taildragger;
- A circular, removable fairing around an aircraft engine (generally radial) for the purposes of streamling or cooling; aka ring cowling.
- A short fitting used to join two pieces of pi...
A controllable louvre to regulating airflow through an engine's cowling.
сноситься ветром; снос; угол сноса; cangrejo; тележка мостового крана;
- A rudder-controlled yawing motion to compensate for a crosswind in maintaining a desired flight path, as in a landing approach.
- Сноситься ветром; снос; угол сноса
- A louse...
Crew training air force common traffic advisory frequency; crew training air force;
- In pioneer flight before radio, beacons, and accurate maps, flying distances much by instinct and guesswork, and referring to whatever landmarks were below, was quite routine. the "dead" part ...
Descending flight with engine and propeller stopped.
The difference in angular settings [angles of attack] of the wings of a biplane or multiplane.
A triangularly-shaped aircraft wing having a low aspect ratio, a sharply-tapered leading edge, a straight trailing edge, and a pointed tip.