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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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6
votes
1answer
434 views

Why is this chart called a Short Field Effort Takeoff Ground Roll and not simply a Short Field Takeoff Ground Roll?

What does the word 'effort' mean in this context?
2
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4answers
31k views

What is the true meaning of the word “wilco” when used on the radio? What is its origin?

Pilots often learn to use the word "wilco" on the radio through contextual interpretation. During my experience as a pilot communicating on the radio I have often observed pilots using the word "wilco"...
10
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2answers
7k views

What is the true meaning of the word “roger” when used on the radio? What is its origin?

When pilots learn to talk on the radio they can generally learn that the word "roger," when used on the radio, is a way to acknowledge that a message was received. What is the textbook definition of ...
18
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2answers
14k views

What is the difference between a fix, a waypoint and an intersection?

It seems these terms are used interchangeably. Are they the same thing? Do they all refer to the points in space that are given 5-letter names?
1
vote
1answer
447 views

What is the meaning of segment in MTRs?

Military Training Routes (MTRs) with no segment above 1,500' AGL shall be identified by four number characters (IR1206/VR1207) MTRs that include one or more segments above 1,500' AGL shall be ...
7
votes
2answers
5k views

What's the difference between fog, fog banks, and fog patches?

My meteorology textbook (from Pooley's Air Pilot's Manual series) has a list of abbreviations used in met reports and forecasts. They include: FG for "fog" BCFG for "fog patches" PRFG for "fog banks" ...
22
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2answers
12k views

Why do we call it an apron?

Where did the term apron come from? Follow up question as suggested by @Pyritie.
19
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2answers
5k views

Why do we call it a ramp?

Airport ramps are close to level, not inclined. What is the history and etymology of this aviation term?
5
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2answers
1k views

Does tailless means no tail at all?

When I was reading about the HAL Tejas I observed that it was described as a "tailless" plane. However I could see a tail in the picture. After careful reading I am assuming that being tailless means ...
5
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2answers
2k views

Should people flying UAVs be called “Operators” or “Pilots”?

I'm wondering if there is any formal/official definition* pertaining to the title given to people controlling Unmanned Aerial Vehicles? Are they "more" correctly titled Operators or Pilots? *As set ...
20
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3answers
4k views

What does the term “tanker” mean when used in regards to a passenger airliner?

In a comment on this answer: Airlines will tanker fuel if it's substantially cheaper at another airport I've wondered what that term meant before, and now this comment leads me to think that ...
6
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3answers
1k views

Jettison and Dump fuel - Do they have separate meanings?

According to the definitions, is there any difference between Jettison and Dump fuel? Does one of them use a different procedure, or they are simply synonyms?
1
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2answers
1k views

What's the technical name of the side window on Boeing and on Embraer?

On Airbus, the window beside the Captain and the First Officer has the technical name of SIDE WINDOW. What's the name on other aircraft, or they have the same specification?
4
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1answer
12k views

What is the difference between an air carrier and a commercial operator?

I am currently studying for my commercial and I've been seeing both of these terms used interchangeably. Is there a difference?
15
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4answers
45k views

What is the difference between a nacelle and a cowling?

I see these terms used almost interchangeably. To my understanding they both refer to the covering of an engine. Is there a technical difference between the two?
8
votes
4answers
12k views

What are the differences between air brakes, spoilers and lift dumpers?

So many people use these words interchangeably, but after a little searching on Google, I found they are not quite the same thing. All the links I read explain things in a misleading way which pushed ...
9
votes
1answer
3k views

What does YF stand for?

I know that F=fighter, A=attack, F/A=fighter/attack, B=bomber. I can not find any information on what YF stands for. This type of aircraft is usually an experimental aircraft, but why do modern ...
5
votes
4answers
16k views

What is fly-by-wire?

What exactly does the term "fly-by-wire" mean? Where did it originate? I understand that it refers to control systems. If an aircraft is not fly-by-wire, what is it? That is, what are the alternatives?...
16
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4answers
7k views

What is a canard?

While browsing this Stack Exchange, I regularly come across mentions of canards. I am not familiar with this term, and Google only gives information about ducks when I search for "canard". So, what is ...
26
votes
3answers
7k views

Why do we call moving an aircraft on the ground “taxi”?

We all know what "taxi" means to general public -- a car which carries you from A to B in exchange for your paying a fare. "Taxi" also means to drive an aircraft on the ground. Why do we call it that?...
26
votes
2answers
95k views

What is the difference between centre of pressure, aerodynamic centre and neutral point?

I have just started learning some aerospace concepts, and I am not able to understand the difference between the three terms centre of pressure, aerodynamic centre and neutral point. What are their ...
10
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2answers
1k views

Is there a name for the area for aircraft to back track near the runway threshold?

Some airports have an area, on the threshold, used to back track the aircraft, mainly because of the their wingspan, they look like a half wheel. Is there any designation for this area?
18
votes
5answers
6k views

Is there a difference between “aerobatic” and “acrobatic” flight?

I hear and read both the terms "aerobatic" and "acrobatic" used to describe the more extreme maneuvers such as spins, rolls, loops and more. My questions is about the terms themselves. It seems that ...
4
votes
2answers
2k views

What does the NetJets “QS” stand for?

Every NetJets aircraft that I've seen has a tail number ending in QS. Knowing aircraft operators, I'm sure it stands for something, but I don't know what. What does the QS stand for in NetJets tail ...
17
votes
1answer
8k views

What is the difference between “sensitive” and “non-sensitive” altimeters?

In this answer reference was made to "sensitive" and "non-sensitive" altimeters. What is the definition of each, what are the differences, and why would one be used in preference to the other? And ...
2
votes
2answers
164 views

Fuel price actually used in the industry [closed]

I know it's a bit off-topic but I guess some of the terminology used in the aircraft community is the same as in marine transportation. I know that both aircraft and marine vessels use fuel. But if I'...
9
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2answers
5k views

What is needed to certify an aerodrome as an airport in Canada?

So here. All airports are aerodromes. All aerodromes are not airports. Difference between Airport and Aerodrome: An aerodrome or airdrome is any place from where flight operations can take place....
5
votes
1answer
943 views

What does QBD stand for? [duplicate]

I recently heard the term QBD which the Aviation Dictionary explains is the fuel endurance in terms of hours. If it is an acronym, what is its expansion? If not, what is it derived from?
6
votes
5answers
14k views

Why is port-starboard terminology used in aviation?

I am not a pilot - just a student & play Ace Combat sometimes Intrigued by the words Starboard & Port-side I researched why these words are used instead of the simple ones, I found that: ...
14
votes
3answers
7k views

Regarding N1 and N2, what does the “N” stand for?

I initially phrased this question in a comment to another question regarding what N1 and N2 mean, hoping it would be that sort of low-hanging fruit that is easily answerable and not worth a proper ...
16
votes
4answers
35k views

What is the difference between slice, segment and leg?

I have heard of the terms slice, segment and leg. Since I am a newbie in travel industry, I would like to know and understand the basic differences between the three. Could someone please explain ...
2
votes
1answer
2k views

What are the meanings of these terms related to instrument flight?

Please describe and define the following terms: Homing 0 degree relative bearing Tracking Hold Entry Holding pattern What are its uses and purposes? Any one to suggest a thorough instrument book as ...
17
votes
1answer
1k views

If an airplane touches down short of the runway, and doesn't reach it, is it still a runway excursion?

In light of the two recent incidents where aircraft landed roughly 1000 ft short of their intended runways, Air Canada AC-624 at Halifax and Asiana OZ-162 at Hiroshima, I started thinking the ...
20
votes
1answer
19k views

What is the difference between aviation “accident” and “incident”?

When I hear speaking about aviation crashes, sometimes I hear about "accidents" and other times about "incidents". What distinguishes them? Is there an international standard that determines how ...
8
votes
3answers
2k views

Is “General Aviation” a well-defined term in the US, in the EU and/or elsewhere?

In this earlier question I tentatively assume that GA means civil aircraft operations other than scheduled passenger transport - what I think of as "airliner" operation though it could include quite ...
11
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2answers
2k views

What is the correct name for this ILS Indicator?

What is the correct terminology for the name of the aircraft instrument that looks like this?
10
votes
1answer
3k views

Why is it called “base” leg?

When flying a circuit, the leg after downwind and before final is called base. Where does this name come from?
11
votes
1answer
1k views

What does a “hard stand departure” mean?

I am reading a table explaining how to plan multiple diversion returns from an individual station: widebody gate departures - xx minutes narrow body gate departures - xx minutes all hard ...
33
votes
3answers
60k views

What is the difference between “flight level” and “altitude”?

I have seen references to "FL180" and "FL300", and I know that they stand for Flight Level 180 and Flight Level 300. I've also seen references to "an altitude of 18000ft" or "an altitude of 30000ft". ...
8
votes
1answer
685 views

What does “500 and 1” mean?

In this AVWeb article, numerous references are made to 500 and 1, with other references to 3,000 and 5. Based on the statement <...
5
votes
1answer
753 views

Is this “bearing” sentence utterly incorrect?

There is often tremendous confusion between bearing, track and similar terms. On Wikipedia, I saw the following sentence: NOTE CAREFULLY, THE FOLLOWING SENTENCE IS WRONG... In aerial navigation, ...
6
votes
2answers
2k views

What do taxiway lane, taxiway strip and taxiway shoulder mean?

I am developing a game which involves an airport simulation. And I am looking into the general rules that traffic control has for busy airports and am also confused on the terminology of a taxiway. ...
2
votes
1answer
1k views

What is the difference between Fly-By and Short-Turn?

By all definitions that my team and I have found, fly-by and short-turn (with respect to military unmanned air vehicle waypoint based flight) mean the same thing. Briefly, this allows the pilot to ...
9
votes
2answers
1k views

Is an engine surge classed as an engine fire?

Sometimes flames come out from the exhaust due to bearing distress or turbine blade fracture. Can such flames/fire be considered an engine fire?
17
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5answers
1k views

What exactly is a “drone”?

I was under the impression that things like this: and soon this and even this Are drones. When and how did the media and the general public get the idea that these: Are also drones? I'm not ...
15
votes
3answers
5k views

What's an “altitude engine”?

FAR 91.205(b)(8) says that you need a manifold pressure gauge for each "altitude engine", whatever that means. What's an "altitude" engine?
9
votes
1answer
938 views

What does it mean for a payload to be “caged”?

If an aircraft has a movable payload (e.g. camera) attached to it, two of the status modes are caged and stowed. Stowed indicates the payload is retracted and or in a locked position. What is ...
48
votes
4answers
8k views

What is a running rabbit?

My father used to work as an air traffic controller, and often I heard mention of a 'running rabbit'. Obviously, vermin on the runways of airports can be a bad thing, but I don't think he was ...
8
votes
2answers
2k views

How do engineers log airplane maintenance?

Is there an encoding system that replaces the vagueness of natural language when it comes to logging aircraft problems or repairs that took place at a specific site on the airplane? So, instead of ...
37
votes
2answers
14k views

What do jet pilots say during the takeoff as they are speeding down the runway?

I was watching a documentary on youtube and the pilots always say something that sounds like "B1E" when they have enough speed to take off. What exactly are they saying, and why do they say it?