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Definition
| Airport/Facility Directory |
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| Enroute Flight Advisory Service |
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| Air Route Traffic Control Center |
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| Automatic Terminal Information Service |
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Definition
| Temporary Flight Restrictions |
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| Aeronautical Information Manual |
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| Certificated Flight Instructor |
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Definition
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| Common Traffic Advisory Frequency |
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| Emergency Locator Transmitter |
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| Federal Aviation Regulations |
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| Automatic Direction Finder |
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| Maximum Lift-to-Drag Ratio |
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| Land and hold short operations |
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| marginal visual flight rules |
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| coordinated universal time (Zulu time) |
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Definition
| automated weather observing station |
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Definition
| pilot’s operating handbook |
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Definition
| visual approach slope indicator |
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Definition
| Minimum altitudes that must be maintained during flight, specified by the FARs. In congested areas, this is 1,000 feet above any obstacle within 2,000 feet of you aircraft. In uncongested areas, this is at least 500 feet of any person, vessel, vehicle, or structure. |
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| Occurs when the fuel/air mixture is ignited in advance of the normal timed ignition and is usually caused by a residual hotspot in the cylinder. |
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Definition
| A set of visual indicators which provide traffic pattern information at airports without operating control towers. |
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| The barometric pressure setting used to adjust a pressure altimeter for variations in existing atmospheric pressure and temperature. |
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| Term used by the controller to assign your aircraft a code, as well as to indicate which transponder function you should select. |
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| Established and maintained by aligning the wing of the miniature airplane on the turn coordinator with the turn index. At this rate, you will turn 3 degrees per second and complete a 360 degree turn in two minutes. |
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Definition
| Engine driven part of the vacuum (suction) system that expels air. |
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Definition
| The maximum speed at which you can use full, abrupt control movement without overstressing the airframe. |
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Definition
| Spirals of air created by an airfoil when generating lift. Vortices from medium to heavy aircraft may be extremely hazardous to small aircraft. |
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Definition
| A 'side-to-side' rotation of an aircraft around the vertical axis. This effect is produced by the rudder. |
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Definition
| A transponder code that is paired with pressure altitude information. |
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Definition
| International radio distress signal. When repeated three times, it indicated imminent and grave danger and that immediate assistance is requested. |
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Definition
| That part of total drag created by the form or shape of airplane parts. Parasite drag increases with an increase in airspeed. |
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Definition
| That part of total drag which is created by the production of lift. Induced drag increases with a decrease in airspeed. |
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Definition
| A small hole, or port, in the skin of an aircraft at a suitable location where the disturbance to the airflow is the least. |
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Definition
| Any surface, such as a wing, which provides aerodynamic force when it interacts with a moving stream of air. |
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| Provides electrical power to all the systems in the aircraft. |
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Definition
| An uncontrolled, explosive ignition of the fuel/air mixture within the cylinder’s combustion chamber. |
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Definition
| An airport which has an operating control tower, sometimes called a tower airport. |
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| An instrument consisting of a curved glass tube, housing a glass ball, and damped with a fluid similar to kerosene. It may be used to indicate inclination, as a level, or, as used in the turn indicators, to show the relationship between gravity and centrifugal force in a turn. |
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| The highest point of an airport’s usable runways measured in feet or meters above mean sea level to an accuracy of 1 ft (1/2 m). |
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| beacon installed at an airport or aerodrome to indicate its location to aircraft pilots at night. |
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Definition
| Provides a source of heated air to the carburetor intake to prevent or remove accumulation of carburetor ice. |
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Definition
| occurs when there is humid air, and the temperature drop in the venturi causes the water vapor to freeze. |
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Definition
| a self-contained, engine driven unit that supplies electrical current to the spark plugs which is completely independent of the airplane’s electrical system. |
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Definition
| an aircraft with retractable landing gear, controllable speed propeller, movable/adjustable flaps |
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Term
| High Performance Airplane |
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Definition
| an airplane with more than 200 horsepower, or retractable landing gear, flaps, and controllable-pitch propeller. |
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Definition
| A constant speed propeller is a type of propeller that can change its blade pitch to take better advantage of the power supplied by an engine |
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Definition
| Consists of radar traffic advisories provided to VFR aircraft by air traffic control on a workload permitting basis. |
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Definition
| influence on aircraft performance which occurs while you are flying close to the ground, resulting from a reduction in upwash, downwash, and wingtip vortices which provide a corresponding decrease in induced drag. |
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Definition
| ratio of the load supported by the airplane’s wings to the actual weight of aircraft and its contents. |
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Definition
| the distance an airplane will travel forward without power in relation to altitude lost. |
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| the difference between true direction and magnetic direction. |
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Definition
| resultant reaction when a force is applies to the rim of a rotating disk which acts in the direction of rotation and approximately 90 degrees ahead of the point where force is applied. |
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| an air traffic control clearance which allows you to operate within the lateral boundaries of the surface areas of Class B, C, D, or E airspace when the ceiling is less than 1,000 feet above ground level and/or visibility is below 3 statute miles. While operating under special VFR, you must maintain 1 statute mile visibility and remain clear of clouds. |
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| the angle between the airfoil’s chord line and the relative wind. |
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| a propeller with no movement of the blades. |
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| when flying above 3,000 feet AGL on magnetic headings 1-179 degrees, you must fly at odd thousand-foot altitudes plus 500 feet, and vice versa. |
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| repeat the last transmission |
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