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A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

The speed of an aircraft relative to the air. Among the common conventions for qualifying airspeed are: indicated airspeed ("IAS"), calibrated airspeed ("CAS"), true airspeed ("TAS"), equivalent airsp…
297 questions
Air Traffic Control (ATC) is a service of ground-based controllers that directs and coordinates aircraft to improve safety and efficiency.
37 questions
The defined routes through the air that aircraft follow to get from place to place.
32 questions
Questions about the regulatory or physical status of an aircraft being capable of safe flight
38 questions
Airworthiness Directives (ADs) are legally enforceable regulations issued by the FAA to correct an unsafe condition.
25 questions
The instrument which indicates the aircraft's altitude, usually based on atmospheric pressure, but sometimes on radar or GPS data instead.
119 questions
A measurement of vertical distance. Usually measured at either Mean-Sea-Level (MSL) or Above-Ground-Level (AGL).
256 questions
8 questions
questions about planes that can land on both water and land.
7 questions
Questions regarding the aviation regulations of the National Civil Aviation Agency of Brazil (Agência Nacional de Aviação Civil -
2 questions
Usually refers to the angle between the oncoming air and the wing.
169 questions
Questions about the inspections required every year in order to (hopefully) make sure that your aircraft won't fall apart while you're trying to use it.
2 questions
for questions related to ATC/ATM services providers, e.g. FAA in the US, Departamento de Controle do Espaço Aéreo in Brazil, Eurocontrol in Netherlands/North of Germany...
3 questions
Questions about antennae, the typically-long-and-thin things used by aircraft to send and/or receive radio signals (for communication and/or navigation and/or other things as well).
27 questions
Systems that aim to prevent ice from forming on the outer surface of an aircraft, especially the wings, engine intakes, windows, and propellers (as applicable).
50 questions
For questions about the 6-engined cargo airplane created by Antonov.
29 questions
The Antonov An-124 Ruslan is a large, strategic airlift, four-engined aircraft that was designed in the 1980s by the Antonov design bureau in the Ukrainian SSR, then part of the Soviet Union.
1 question
3 questions
The phase of flight in which an aircraft is lining up with the runway and preparing to land.
285 questions
Auxiliary Power Unit. A device for providing alternate power to an aircraft, usually located in the aircraft's tail.
70 questions
3 questions
ARINC 429 is both an electrical bus standard and a data transfer standard for aircraft avionics.
42 questions
A system that helps to stop an aircraft after landing. Typically a cable engaged by a hook on the aircraft.
7 questions
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Use for the aerodynamic aspect ratio
9 questions
For questions about the ASTERIX air traffic control standard.
4 questions
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Software designed to simulate Air Traffic Control operations (Center/Enroute, Terminal (TRACON), or Tower).
10 questions
For questions about Air Traffic Flow Management (ATFM), also known as ATFCM for Air Traffic Flow and Capacity Management.
5 questions
Automatic terminal information service, a continuous broadcast of recorded information in airports and their surroundings. Broadcasts weather information, active runways, available approaches, NOTAMs …
20 questions
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