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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Can ATC assign speed adjustment to aircraft on final approach course?

According to FAA Order 7110.65AA, 5−7−1.b. Do not assign speed adjustment to aircraft: 4. Inside the final approach fix on final or a point 5 miles from the runway, whichever is closer to the runway. ...
iop0453's user avatar
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7 votes
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Where does FlightAware obtain the filed flight plans under the "Flight Data" section?

Visit the FlightAware page for a random flight, say https://www.flightaware.com/live/flight/QFA570 Now under the "Flight Data" section, sometimes we'll see an entry called "Route" ...
iaexo's user avatar
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Should ATC have souls, fuel, and cargo info before the emergency?

We know how stressful and how fast a situation can become fatal. One of the things that bothers me is when a pilot declares an emergency and I hear ATC asking information they should have already (...
Gabe's user avatar
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Frontier Flight 1929 3/21/24 DIVERTED - HELP FIND ATC RECORDING

My family was on frontier flight 1929 on 3/21/24 from PWM. It was diverted back to PWM within minutes of take off. I am trying to find the ATC recording for the reason why it was diverted. Can anyone ...
Travis Brestelli's user avatar
4 votes
2 answers
303 views

Aircraft continuously circling before landing (not holding)

On Flightradar24 I saw an Airbus 320 circling a lot before landing. My best guess is for some reason the aircraft had to stay in air for longer time due to unknown reasons. If this is the case, why ...
Dev's user avatar
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22 votes
5 answers
7k views

Is it acceptable to abbreviate “Foxtrot” to “Fox”?

My instrument instructor pointed out that I’ve been saying “Four Seven Fox” instead of “Four Seven Foxtrot”. I realize I’ve been doing this for years now, but this is the first I’ve ever been called ...
user's user avatar
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2 votes
1 answer
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Do departure procedure speed restrictions override airspace speed restrictions?

This is a speed restriction found on the BNGOS 3 RNAV Departure Procedure out of KOPF: SPEED: ACCELERATE TO 250 KT, IF UNABLE, ADVISE ATC Opa Locka airport is Class D and is also below the Miami ...
Lnafziger's user avatar
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How impactful could an ATC-specific speech-to-text AI model be for the aviation industry?

Various initiatives, such as the European SESAR 3 program, the Airbus Speech Recognition Challenge, or Appareo's technology, highlight a growing interest in tailored Automatic Speech Recognition (ASR) ...
A R's user avatar
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Why does ATC in the US say "heavy" after callsigns but usually not in Europe?

In the United States, you'll often hear the word "heavy" after call signs used for wide-body planes over the radio during air traffic control (ATC) communications. However, in Europe, this ...
Herbert sandla 's user avatar
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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
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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
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17 votes
2 answers
2k views

who determines and at what point how a (larger) airport is configured for operations for the day?

This question is mostly in the context of commercial / scheduled as opposed to GA or other traffic. It's pretty apparent that "turning around" an airport in the sense of which runways are ...
ljwobker's user avatar
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26 votes
2 answers
11k views

Should I telephone tower to tell them I'm alive?

Yesterday I had a somewhat stressful flight out of a busy airport back to my local airfield. After take-off the navigation "equipment" (a tablet) failed, the controller asked me for my ...
Cloud's user avatar
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4 answers
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Why are we still using audio to communicate between ATC and Pilot?

Amidst the recent Japan Airlines 516 crash at Haneda and multiple others in history like the famous KLM/PanAm at Tenerife, it has always bothered me that these accidents were so easily preventable ...
Gabe's user avatar
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2 votes
2 answers
171 views

Origins and Efficiency of the Phonetic Alphabet in Aviation

I’m curious about the history and practicality of the phonetic alphabet (Alpha, Bravo, Charlie, Delta, Echo, etc.) used in aviation communication. While I recognise its universal application in ...
tedioustortoise's user avatar
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1 answer
132 views

How might ATC phrase an instruction to a pilot to maintain a certain speed and establish glide path?

What might an ATC say to instruct a pilot to maintain a certain speed and establish glide path? My attempts (as someone who does not know much at all about how a plane is piloted) are: "Maintain ...
Pearl6527's user avatar
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0 votes
1 answer
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How might an ATC ask a pilot to check the weather conditions at a certain location?

(Working on a translation that involves radio communications dialogue.) Say the location is X nautical miles from the aircraft to a direction that's between the Y o'clock and Z o'clock direction, what ...
Pearl6527's user avatar
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0 votes
2 answers
138 views

What might an air traffic controller say to approve a request from a pilot for a certain heading?

I'm translating something that involves radio communications dialogue. Two questions, actually: How would a pilot request a particular heading? (Does this ever happen?) E.g. something like "...
Pearl6527's user avatar
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4 votes
1 answer
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How are international departure clearances issued from an air traffic flow management perspective?

Recently, there was an incident involving a Lufthansa A350 flying to SFO which had to divert to OAK due to (at least what seems to me like) poor traffic management. In a nutshell, the approach ...
lxgr's user avatar
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4 votes
3 answers
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Do civilian aircraft transiting through controlled airspace designated for military airports typically talk to the tower of that airport? (USA)

The general point of this question is to understand how civilian aircraft operate around controlled airspace designated for military airports, in terms of communications, in the US. I think the best ...
quiet flyer's user avatar
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3 votes
1 answer
557 views

What rules for guiding air traffic should I learn for the FEAST II radar test?

I recently passed FEAST I exams to become an air traffic controller. Next round of tests is a FEAST II radar test. What general rules used for air traffic guidance should I learn in order to be ...
Francis L.'s user avatar
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4 votes
2 answers
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What is the difference between VFR and IFR in class G airspace?

What is the difference, and how would an outsider discern, whether a flight was conducted under Visual Flight Rules or Instrument Flight Rules in class G airspace? (United States, FAA jurisdiction, ...
Michael Hall's user avatar
5 votes
2 answers
184 views

What determines the name of the runway if it is not active (for atc instructions)

I was not succesful with finding an answer to this anywhere on the web. Let’s assume we have multiple runways in the airport and ATC controller gives us instructions to cross certain runway that is ...
pedrouan's user avatar
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2 votes
1 answer
219 views

Localizer beam protection

During mixed operation, will an aircraft crossing the end of the runway affect the localizer transmission? (Istanbul airport, source.) For instance, when runway 17L is in use, will an aircraft ...
ilayda's user avatar
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8 votes
2 answers
2k views

Mandatory Reports to ATC on an Approach

An instructor recently told me a required radio call to ATC is to tell them when you are established on course on final approach. His point was that this tells ATC when to switch you to tower. While I ...
Name's user avatar
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1 vote
2 answers
429 views

Can I share ACARS messages online?

ACARS messages are transmitted via radio just like normal ATC communications are. In the UK, for example, it is illegal to listen to and broadcast ATC chatter. Does the same apply to ACARS? If an ...
user38116's user avatar
  • 553
3 votes
1 answer
155 views

What is the specification of control cap (control tower) glass in FAA?

Does anyone know where I can find the specification of glass for control tower?
Luna Jung's user avatar
0 votes
2 answers
200 views

What approach method does tower possible to give me?

I'm a student pilot. ATC is a difficult part for me. So far when I fly cross-country, the only VFR approach I hear from ATC is "straight to runway XX". Is there any other approach the ATC ...
demonguy's user avatar
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10 votes
3 answers
4k views

Why might a flight have the same departure airport as its destination?

I am not very familiar with the world of air traffic. Recently I have been granted access to OpenSky Network. As I am trying to understand the "flight" dataset, I have come across a few ...
Quant_in_becoming's user avatar
1 vote
1 answer
74 views

How to calculate the amount of differential cable delay between a four port directional antenna and a single port Omni directional antenna in TCAS II?

I want to select the amount of differential cable delay between the top (4-port directional) antenna and the bottom (1-port Omni-directional) antenna in the TCAS II RBP-7G connector pin. In the ACSS ...
Vignesh V's user avatar
-1 votes
1 answer
68 views

How to calculate the Traffic Advisory (TA) range limit above the maximum altitude limit (take 16000 ft) of an aircraft?

Let us consider an aircraft(A) with 16000 ft maximum altitude limit. Above which it cannot achieve 0.25 G vertical acceleration with 1500 FPM. Now, my question is if there is an aircraft(B) flying in ...
Vignesh V's user avatar
1 vote
1 answer
114 views

Is there any top document for ATC glossary?

I have been searching for some official documents that have all ATC phrases, because I wanted to refresh some of the phrases for ATC, but I was not able to find any other than: Eurocontrol ...
HelloWorld7894's user avatar
1 vote
1 answer
161 views

How Can I Know If An Airport/ Airfield Is Equipped To Operate During A Power Outage

My buddy was asked this by an IP. Is there a way to see in any publication that an airport is equipped to operate during a power outage? Or a way to see if a airfield has backup power?
B Bryan's user avatar
  • 13
0 votes
3 answers
242 views

Landing without explicit permission

What will happen if civilian ATC suddenly sees unknown plane which request landing due to emergency. Can ATC just forbid such land? If yes, what they do? What if it's foreign military plane?
Tauri's user avatar
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4 votes
2 answers
198 views

Are matching/duplicate marker names on a flight plan errors and/or occurrences most systems deal with?

It is reported that Nats, formerly known as National Air Traffic Services in the UK, has explained the recent national delays on matching marker names on a flight plan: In its initial report ...
User65535's user avatar
  • 309
0 votes
1 answer
193 views

Cleared straight in approach

I was flying IFR (in a simulator with Vatsim ATC) cleared direct to ROXXE on the RNAV 04 at KAVP at 4000 on a course of 275. The controller said "Cross ROXXE at or above 4000, cleared straight in ...
Tom's user avatar
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1 vote
1 answer
174 views

Can I identify as a student pilot when I'm not? [duplicate]

A few months ago, my original flying instructor took me to a busy airport (Gloucester) as I wasn't comfortable going there by myself for the first time as a low-hours pilot who only really uses grass ...
Cloud's user avatar
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30 votes
1 answer
7k views

Why would a pilot request that ATC dim the runway lights?

In this clip, the pilot requests dimmed runway lights. Tower, you able to reduce the runway lights, please? [Tower dims runway lights] Thank you much This seems like ...
cocomac's user avatar
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1 vote
1 answer
1k views

What does 3 blinking red lights on a small aircraft indicate?

I live by Lackland Air Force Base in San Antonio, Tx and have lived here 18 years and was also Airborne in the Ay and I just saw a small private aircraft fly above me with 3 flashing lights with 2 on ...
Felix Perez's user avatar
1 vote
0 answers
87 views

Mode S Transmission from Boeing 737 Integrated Standby Flight Display (ISFD) data?

During a recent flight, while in communication with London control*, we received a query about our RVSM (Reduced Vertical Separation Minima) compliance. Both the Captain's and First Officer's ...
tedioustortoise's user avatar
0 votes
0 answers
94 views

What is the EOBT validity period, if any, for non-CDM airports?

The validity period for the EOBT in CDM compliant airports is +/- 15 minutes from the TOBT. My understanding is that EOBT does not exist in non-CDM airports, so is there any validity period? I assume ...
user38116's user avatar
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3 votes
1 answer
175 views

Examples of non-direct flight tracks (ETOPS, political instability, etc.)

Flights don't always follow the great circle route (the shortest distance between two points on the globe) for a number of reasons: Political Instability Airspace Closures ETOPS Limits Geography (eg. ...
Wasserwaage's user avatar
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0 votes
2 answers
579 views

Low visibility in progress and low visibility in force [closed]

Are Low visibility in progress and low visibility in force different?
ilayda's user avatar
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4 votes
1 answer
213 views

Bordering towered airspaces

I'm looking for guidance on radio communications when taking off from Delta airspace and flying into Charlie that starts where the Delta ends. My aircraft can only monitor one frequency at a time. Can ...
Mandela008's user avatar
11 votes
3 answers
1k views

ATC Phraseology “fly heading” vs “turn [direction] heading”

This may be a UK/CAA phraseology quirk, but I’ve heard controllers use the phrase “fly heading 090” and “turn right/left, heading 090” seemingly interchangeably. When would a controller use each ...
Craig Watson's user avatar
1 vote
1 answer
586 views

What is a Tromboning arrival procedure?

I only know that Tromboning is a RNAV arrival procedure which has the trombone shape, and it's an application of CDO (Continuous Descent Operation) along with Point Merge Procedure. Can you give me ...
Harry Huynh's user avatar
5 votes
1 answer
361 views

Can I fly to a class D airport with an NPPL?

I wish to fly into Bristol (EGGD) in a Microlight. I can see they have a VFR approach procedure here. Can I do this? If so, what are the prerequisites? Assuming filing a flight plan is one of them.
Cloud's user avatar
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3 votes
1 answer
688 views

What frequencies are used to transmit ADS-B messages?

Presently, ADS-B messages are broadcast on 1090 Mhz Mode S Extended Squitter VHF Data Link Mode-4 (VDL-4) Universal Access Transceiver (UAT) 978 Mhz First 2 Frequencies have relevant ICAO standards ...
Krishna Kanth's user avatar
0 votes
3 answers
377 views

Can ATC tell someone to leave the airspace because they called them by the wrong name?

I will preface this question by saying that the story in question is anecdotal, told by an instructor at an airfield I was visiting. I will obfuscate the callsigns and airfield in question. Apparently,...
Cloud's user avatar
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1 vote
1 answer
139 views

Who are the audience of ADS-B?

If an aircraft has only Mode-A xpdr, then ATC with the help of Primary radar (for Position determination) and secondary radar (for receiving squawk), places a blip(only squawk code/callsign, position-...
Krishna Kanth's user avatar

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