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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. (Questions about standard words, phrases, and abbreviations used by pilots and ATC specifically in radio transmissions should usually use the [phraseology] tag instead.)

17 votes
3 answers
6k views

Are missiles aircraft?

So, at work we have had an ongoing debate for several months now about whether missiles are aircraft or not. We all agree that they're not airplanes of course, but... are they to be considered ...
Opifex's user avatar
  • 305
14 votes
1 answer
3k views

What does a letter "R" means in a helipad?

What does it means when a helipads has a letter "R" and a arrow? Here are some examples and the link to google maps: https://www.google.com/maps/search/heliport/@35.4638657,139.6262343,40m/...
Gabe's user avatar
  • 3,739
1 vote
1 answer
182 views

How are military aviators call signs made?

Military aviators always have a call sign that they are referred to as. I would like to know how they are picked? Is it their personality, surname or what?
James Bolus's user avatar
6 votes
4 answers
3k views

What is a "rapid changes in gravitational force"

I've been reading an article on the BBC Website about the 21/May/2024 incident on Singapore Airlines. According to this article: "The rapid changes in G over the 4.6 seconds duration resulted in ...
Stormcloud's user avatar
2 votes
2 answers
242 views

Lightoff to speak about an engine start

Why is the term lightoff (or light-off) used to describe the moment an engine ignite/is started ? I'm wondering why the suffix 'off' is used in an 'ON' sense (start, ignition) ? Is there a ...
Vincent's user avatar
  • 21
7 votes
2 answers
153 views

When was the word "aerodynamics" first used?

Aerodynamics comes from two Greek words: aer (air) and dinamike (dynamics). In this link it says The word “aerodynamics” itself was not officially documented until 1837 I don't know if that is ...
22flower's user avatar
  • 1,958
1 vote
1 answer
316 views

What is the difference between gross weight and MTOW in an aircraft specification?

On Wikipedia you often find aircraft specified with a separate "gross weight" and "MTOW". The term "gross weight" implies "weight with maximum fuel and payload"....
Abdullah is not an Amalekite's user avatar
2 votes
1 answer
310 views

Definition of long-haul flight

Who determined the definition of what a "long-haul" flight is? By implication, this presupposes definitions of "short-haul" and possible "medium-haul"/"extra-long-...
toonarmycaptain's user avatar
3 votes
3 answers
47k views

Do ATC say "Climb to XXXX on standard" or "Climb to standard XXXX" or something else?

Do ATC say "Climb to XXXX on standard" or "Climb to standard XXXX" or something else? By "standard" I'm referring to altimeter pressure settings (set to standard pressure)...
Pearl6527's user avatar
  • 373
0 votes
0 answers
92 views

Does the following sound realistic as callouts during takeoff?

“Set power.” “Power is set.” “80 knots.” “Check.” “Constant power.” “V1.” “Rotate.” “V2.” “Positive rate.” “Gear up.” I am unsure about "Constant power." The original text I am translating ...
Pearl6527's user avatar
  • 373
7 votes
2 answers
5k views

Is there a common name for ailerons, elevators and rudder?

Since ailerons, elevators and rudder are all designed in a similar way, that is, they are attached to a fixed structure from where they move in both direction on that particular axis. For example on a ...
Gabe's user avatar
  • 3,739
0 votes
1 answer
237 views

How do these lines sound as ATC communications?

These are translated lines from a fictional story in Chinese, written by someone who (like me) does not work in aviation and therefore does not have firsthand knowledge of these things. Therefore, it ...
Pearl6527's user avatar
  • 373
1 vote
1 answer
100 views

What is the definition of in-flight for the purposes of a fire?

Reading 49 CFR 830.5 I am trying to determine the definition of "in flight" and "in-flight" used in the Immediation Notification sections 49 CFR 830.5(a)(4) "In-flight fire&...
Tim's user avatar
  • 13
0 votes
1 answer
123 views

Coordinate system in aircraft. Question about step between lines

Good day! Can you help me? I doing a restoration of the plane's geometry. I want to do restoration use a theory. But I have not information about step (size) between B.L. (W.L.) lines. As example - ...
Ruslan Pala's user avatar
0 votes
1 answer
137 views

Could someone help me make this checklist-execution dialogue sound correct?

I am translating from Chinese a dialogue that involves two pilots going through an approach checklist. However, all the information I could find on the internet seemed to be for flight simulators (I ...
Pearl6527's user avatar
  • 373

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