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Questions tagged [terminology]

For questions about words, phrases and definitions that are specific to aviation or used in a different way in aviation.

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71 views

What is the difference between flight watch and home reserve?

Can anyone explain the difference between 'flight watch' and 'home reserve' with regards to flight and duty periods. This is in regards to a charter operation, where crew members are on standby at ...
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84 views

What does “lower flatness” mean in airfoil terminology?

What does lower flatness mean in these parameters of a Glenn Martin airfoil?
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3answers
356 views

What is the area between the taxiway and runway shown in the picture below?

Is this the Arresting area? I'm not too sure what you call this area
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1answer
230 views

What is the difference between an aileron and a flap?

I have already been searching Google for the difference between an aileron and a flap, but I am not much satisfied, so now I am asking here on SE. What is the difference between an aileron and flap? ...
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2answers
201 views

Is there a specific aviation term for suicide by pilot?

CFIT, controlled flight into terrain, refers to an aircraft being unintentionally flown into the ground. Is there any term specific for suicide by pilot? CFIT would not apply to that situation.
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1k views

What is a hypernym for the ascending and descending legs of a flight?

If an airline flight is everything that happens in between your starting and ending gates. What is the generic term for each time the plane ascends or descends during an air route? In layman terms, ...
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2answers
203 views

What is the name of the system that replaced stairs for disembarking aircraft?

Back in the day, or in old airports, or airports that have not upgraded their systems, passengers disembarked in aircraft using stairs, through rain and or snow and extreme weather, sometimes having ...
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1answer
736 views

What is altitude above surface / ASFC?

ASFC is an acronym frequently seen in official European publications, e.g. used by the French AIS: Also in some ICAO ones, e.g in Annex 4 (Aeronautical Charts) to the Chicago Convention: The ...
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1answer
101 views

Launch control equivalent while take-off

What is the proper term used when the plane is stopped and the engine is ramped up and after a certain thrust is reached, it suddenly starts off with a jerk.
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1answer
99 views

Can we use ECI coordinates for an airplane?

It is taught for navigation systems (like an airplane) on Earth we us ECEF (earth-centered, earth-fixed) and for space systems (like a satellite) we use ECI (earth-centered inertial). But why is ECEF ...
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2answers
171 views

What device in western countries allows ATC to get clearances or search flight plans automatically?

In Korea, there is a device called 'Flight data terminal' which enable air traffic controller to get clearance or search certain flight plans automatically. But I found that there is no 'FDT' in ...
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1answer
114 views

What does “Constant wind condition during flight” mean?

What is constant wind condition during flight? Is it zero wind velocity at an instant (say at level flight) or wind with constant speed, say 20 m/sec (at steady level flight or whatever it is) Which ...
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1answer
222 views

What is the meaning of AFT in airworthiness directives?

What is the meaning of AFT in airworthiness directives?
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1answer
65 views

Is the National Aviation Authority the same as the Civil Aviation Authority?

Are the NAA (National aviation authority) and the CAA (Civil aviation authority) the same organisation? According Wikipedia it looks like they are the same organisation.
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1answer
327 views

Is a pilot responsible for CTAF announcements in this scenario? [closed]

A Cessna 525 Citation Jet is coming in to land and a single-engine Cessna 150 is taking off at a small airport with no ATC. The Cessna 150 stays in continued radio contact and the Cessna 525 Citation ...
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2answers
943 views

Why is there conflicting nomenclature for the 1,000 ft runway markings?

The two thick solid lines on runways at 1,000 ft from the end of the threshold are called "fixed-distance markers" in some documentation, and in others, it is called the "touchdown zone marker". Are ...
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1answer
285 views

Gage or Gauge? Which is correct in the aviation industry? [closed]

Gage or Gauge? Some official aviation sources seem to use the spelling "gage" whether referencing cockpit instruments or aircraft maintenance tooling. However, more broad English sources note that "...
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2answers
163 views

Are there FAA rules about changing an airport name from Municipal to Regional?

Are there any FAA requirements to be met or stipulations for an airport to change its name from Municipal to Regional?
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1answer
3k views

What is the difference between en route and airway?

I am studying about airway now. But there are multiple terms that mean airway like enroute or air route. I don't know exactly what the difference is between them. Airway, en route, air route, air ...
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4answers
183 views

Is falling a mode of flying? [closed]

I frequently observe people arguing (on this very web site) about the question if falling is a mode of flying or not. It appears to me that the majority of people have a strong opinion that it is not. ...
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2answers
430 views

Would an ASTERIX decoder be “radar data processing” or “surveillance data processing”?

I am not an air traffic controller, I am a software engineer. I developed an ASTERIX decoder, the application will just extract all the information and save it in a text file. I am just wondering how ...
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105 views

What does pre/post modification mean in Airbus MPD?

What is the difference between POST MOD (with partial mod i.e SXXXX) and PRE MOD (with partial mod) in the applicability column of an Airbus MPD (Maintenance Planning Document)?
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171 views

What is the ASTERIX terminology for an atomic piece of information?

The ASTERIX standard defines the smallest piece of metadata information: Data Item: The smallest unit of information in each Data Category. And the implementation equivalent: Data Field: ...
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253 views

Is there a term for the general design used in most modern fighters?

Is there a term that encompasses the overall design of modern fighters (e.g. F-15, F/A-18, F-14, Su-27, Su-30,33,35,37, Mig-29, J-11, etc.), with dual vertical stabilizers, leading edge extensions, ...
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2answers
114 views

How can we define that an Engine or Airplane is ETOPS compliance?

What is the process for obtaining ETOPS certification for an engine or aircraft?