Questions tagged [air-traffic-control]

Air Traffic Control (ATC) is a service of ground-based controllers that directs and coordinates aircraft to improve safety and efficiency.

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23
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2answers
6k views

How do airplanes maintain separation over large bodies of water? [duplicate]

I have read that the oceans are big enough that ground radar stations only reach so far out. I assume that means after a certain distance from the coast they leave ATC services. Do airplanes employ ...
3
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2answers
135 views

Flight Following into Class C Airport where I'm Landing

I want to fly into a Class C airport and do a full stop taxi back. I'll be approaching the airport with flight following. When ATC hands me off to approach control for the airport I'll be landing at,...
2
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1answer
105 views

Which air traffic controller is responsible for a taxiway between parallel runways?

When an airport use two runways that are parallel at the same time, my question is which tower controller owns the "ground space" between the runways?
8
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5answers
373 views

If I'm cleared to land without any specific instructions on how to enter the pattern, what should I do?

I learned at an uncontrolled airport. I thought I had controlled communications down pretty well, but I upset the tower controller today. Situation: I was coming from the southeast, and tower told me “...
4
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2answers
160 views

Can Transition Altitude (TA) and Transition Level (TL) be equal?

In Europe, is it possible that Transition Altitude and Transition Level are equal, that is, TA=8000 ft and TL=FL080? In that scenario, at 8000 feet, what pressure (QNH or QNE) should be set in the ...
4
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1answer
98 views

Does the flight always switch to TRACON on a go-around in class B airspace?

I have been listening to class B go-around ATC recordings. After the initial climb of the go-around, the tower gives the flight a heading and altitude. Then, on some recordings I hear the tower say &...
2
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1answer
86 views

What is the difference between SoCal Approach, SoCal Departure and SoCal TRACON?

I've heard these 3 terms in ATC recordings and on web pages. Do they all use the same frequencies and the same controllers?
-9
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1answer
141 views

Is this free flight data really correct? [closed]

In recent years, I'm being terrorized by airplanes flying over here all the time at low height. For this reason, I'm trying to set up a little notification system to see if these are actually "...
0
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1answer
67 views

How to pass ATPL as an ATC? [closed]

i have graduated from Nation Aviation Academy and my occupation is Air Traffic Control. But to become a pilot was my childhood dream. So my question is, is it possible to pass atpl exams in this ...
8
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3answers
2k views

Flight Levels shall be transmitted by pronouncing each digit separately. And how should be FL200 transmitted?

It is a huge doubt I have, because I have seen on CAP 413, FL 200, transmitted as flight Level two hundred, and how should then transmit it on Europe (out of UK) and on The USA airspace?
13
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4answers
2k views

What is the difference between “affirm” and “acknowledged”?

Recently, I've watched Air Force One and I heard ATC and the pilots say "Acknowledged." instead of "affirm" or "affirmative" as I've learned.. Is it common to say both? ...
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3answers
86 views

When a Tower and the Approach Control closes who takes over the airspace?

When a Tower and the Approach Control closes, who takes over the airspace? and also what about When a Tower, within an Approach Control, closes, who takes over the airspace?
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0answers
30 views

Where can I obtain a .KML file for a TRACON’s area of responsibility?

I want an overlay on my moving map for the radar service areas of a TRACON facility. Are there any sites that host this for free?
1
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1answer
94 views

Are taxi-way routing details saved?

I am currently working on taxi-way route optimization. Are there any systems that store the taxi routes taken by the aircraft either by hour or by day or by airplane?
5
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1answer
197 views

When is a pilot REQUIRED to report Negative Contact?

Where I can find the regulation or AIM section that specifically states when a pilot is required to report negative contact? It appears that different airports in the US have slightly different ...
-3
votes
1answer
124 views

Why do airplanes circle three times in a holding pattern? [closed]

Why do airplanes circle three times in a holding pattern? I tried to look for information about it, but I did not figure out why a pilot would specifically do it three times?
21
votes
4answers
7k views

Can you request a new squawk code if you don’t like the one being assigned?

Just out of curiosity. If you get assigned a squawk code and you don’t like it out of superstition or other negative associations you have with it, can you request a new one?
9
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2answers
2k views

From an ATC perspective, what is an “arrival gate”?

I have seen reference to ATC assigned "arrival gates". As a passenger, an "arrival gate" is something like B12 or ...
0
votes
1answer
160 views

“Turn right, report heading”?

I can't say anything about authenticity, but here is a quote Tower: “Delta Zulu Romeo, turn right now and report your heading.” Pilot: “Wilco. 341, 342, 343, 344, 345…” Is such an instruction even ...
6
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1answer
261 views

How are both squawk and altitude transmited when operating a Transponder in Mode C?

I know that in Mode $3$ (which includes Mode A and Mode C) the aircraft transmits $12$ information pulses. That corresponds to $2^{12}=4096$ squawk combinations in Mode A which are sent to ATC to ...
-4
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2answers
124 views

What happen if the glide slope beacon removed for maintenance? [closed]

it about aircraft navigation system (ILS), when the aircraft about to landing but unfortunately the glideslope beacon being removed.
0
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3answers
127 views

What exactly is an ATC clearance and how is it requested?

What exactly does it mean to get an ATC clearance? I’m asking the question because I read point 8015 of the Standardised European Rules of the Air (SERAs), which states that ATC clearances are ...
4
votes
1answer
230 views

What is the difference between a waypoint and a significant point in an airspace?

I know ATS routes are made up of waypoints, but what are Significant Points used for? Is there a difference, or are they really just two names for the same thing?
16
votes
1answer
4k views

What is typical ATC procedure when a non-pilot calls from a commercial flight for help?

"This is ShinyWings 123, I'm not a pilot, the pilot and copilot are unconscious. Help." Probably a day air traffic controllers dream of with dread, when a member of cabin crew, or even worse,...
26
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1answer
5k views

Are there any drawbacks to requesting progressive taxi every time?

Unless you know the airport like your own backyard, it seems like requesting progressive taxi would always be the safest option to essentially eliminate the possibility of taking a wrong turn or ...
1
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1answer
184 views

Why do VFR-flights need a clearance in class D airspace?

I ask myself why VFR-traffic has to get ATC-clearances in class D airspace, because as far as I know, ATC doesn’t provide separation for VFR-traffic in this airspace class... So why for example is a ...
0
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2answers
114 views

What purpose does a control area really serve related to managing air traffic flow?

I can understand that we have control zones at busy airports to streamline the flow of landing and departing traffic. But in Control areas of many airports i have seen that routes go straight through ...
2
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2answers
174 views

When not cleared straight in for a VOR approach, how is this type of procedure executed?

You are flying to the GDM VOR on a 097 heading. The ATC clears you for the approach, but does not specify straight in. The procedure turn is marked by the barb and specifies remaining within 10nm. My ...
-2
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1answer
136 views

Is 1,000ft vertical separation in a sparse airspace increasing risk unnecessarily? [closed]

On Saturday the 8th of August 2020 at 19:40:10 UTC, two flights flying in opposite directions, in the same corridor over India were vertically separated by just 1,000ft. The flights were SQ322 from ...
1
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1answer
90 views

What are the Radarless approach control services in the United States?

I was recently in Twin Falls, ID at KTWF. There is no radar for approach control services. All instrument approaches are full procedures and aircraft must report all requested fixes. There is Salt ...
3
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1answer
245 views

How challenging is it to land a plane on a tabletop runway?

Yesterday(August 7 2020), an Air India Express plane skidded of the runway(Dubai - Kozhikode, IN) and fell almost 30 feet below from the tabletop runway and broke into two pieces. It was also heavily ...
5
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2answers
273 views

Why doesn't Ketchikan, AK have a control tower?

Why doesn't Ketchikan International Airport (PAKT) in Alaska have a control tower? The special flight rules applicable to the area (14 CFR 93 Subpart M) seem to make it clear that traffic management ...
31
votes
4answers
5k views

What kind of assistance can another aircraft provide to an incapacitated pilot?

A recent incident unfolded as follows: An aircraft overflew the planned destination and did not respond to radio calls on any frequency. ATC decided the pilot might be incapacitated and asked another ...
7
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2answers
175 views

Can climbing above RVSM airspace cause temporary loss of separation with an aircraft in RVSM airspace?

Consider Aircraft A cruising at FL400 and Aircraft B cruising at FL410. Both in close proximity, heading in the same direction. Ignore altitude for direction of flight issue. When aircraft B requests ...
4
votes
2answers
422 views

How do I obtain permission to fly in surface class E airspace under FAR-103?

I'm a paramotor pilot operating under FAR 103, and I'm trying to determine who I need to ask for permission to fly in class E airspace that extends to the surface and is designated for an airport. For ...
2
votes
3answers
141 views

Does aircraft/ATC get any information directly from a weather balloon?

We have been launching radiosonde (a meteorological instrument containing GPS and other sensors to measure meteorological variables attached to a balloon filled with Hydrogen) to obtain meteorological ...
1
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2answers
158 views

Is there a legal requirement for planes to start from the ground?

If I could somehow store a plane inside another plane, would I be allowed to start the second plane somewhere in the air? Maybe different countries have different laws for this kind of aviation? I ...
2
votes
1answer
174 views

What altitude restrictions are there in Class C airspace?

So if I'm flying into a Class C airspace, I call approach and I establish radio contact and tell them I want to land, then I enter the airspace. If I'm still talking to approach and haven't been ...
1
vote
2answers
107 views

Descend via STAR, after getting crossing restriction previously

The ATC issues "Cross BHAWK at FL240" initially. After few minutes, the ATC instructs "Descend Via FYTTE5 arrival". Should we comply with the crossing restriction at BHAWK, or the ...
32
votes
2answers
5k views

Should I contact ATC if I don't have a transponder?

The flight school I usually rent from is under the shelf of class C airspace. If you're going out to a practice area, the standard procedure is to contact approach control and get a squawk code, so ...
0
votes
1answer
53 views

Is there a benefit to representing a SID/STAR in 3D?

There are several examples of 2D representations of SIDs and STARs on the web. I have yet to encounter a 3D representation of one. Does one currently exist? Are there any benefits of representing a ...
1
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2answers
184 views

What does “Request Boxing Vectors” means?

I have heard on a request from a pilot: "- Request boxing vectors!" What's the meaning of this non standard phraseology?
0
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2answers
130 views

Are being +30 and having a Ph.D. considered as barriers to become an air traffic controller in NAV CANADA? [closed]

The requirements to apply to the training phase of NAV CANADA (to become an air traffic controller) are listed here, in which no upper bound corresponding to the age and the education level of a ...
25
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2answers
5k views

How can this kind of confusion about taxi instructions occur?

A few days ago, I (a student pilot on a solo) had landed on runway 9 for a full stop taxi back. The taxi instructions were "alpha to 27 remain on this frequency". I missed some words in between these ...
38
votes
2answers
14k views

Why is a Cessna C560 circling Washington DC during the protests?

Right now according to FlightRadar24 there is a Cessna C560 circling Washington DC. It took off from Manassas Regional Airport and has been circling ever since. No other identification is listed. ...
4
votes
3answers
805 views

How does ATC direct aircraft on ground from the parking to the runway?

For medium size airports, ATC will direct aircraft with a single message like this "Taxi to runway 29 via Papa, Sierra". I was wondering if it was the same thing for bigger airports (like ...
9
votes
3answers
2k views

What does “Raven” [phonetic] means when used by ATC?

What is the meaning of "Raven" [phonetic] heard in use at Reagan National Airport? Most recently heard: The ATC will say "proceed direct raven" or "direct raven maintain" whatever altitude; or "...
0
votes
2answers
206 views

How would fighter jets make contact with a previously hijacked aircraft?

For example, a plane is hijacked but civilians regain control, they know how to change the plane's frequency but no procdeures - i.e. dont know guard frequencies. There are fighter jets alongside who ...
2
votes
2answers
194 views

How to Tell Flight Following You Want to Change Your Destination?

I want to fly the LAX Coastal VFR Transition Route northbound, and I want to do the whole thing with flight following. When I get near Van Nuys airport, I'll need to tell ATC (flight following) that ...
2
votes
1answer
219 views

How should I make a downwind departure from a towered airport?

I'll be departing from a towered (Class D) airport, and I need to make a left downwind departure and turn right off the downwind leg to exit the pattern. I've done this with a CFI, and I've also made ...

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