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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4
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1answer
56 views

Difference between ETA and On-Block time?

I see that the definition of the ETA (Estimated Time of Arrival) according to Eurocontrol is: (SESAR) the time computed by the FMS for the flight arriving at a point related to the destination ...
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2answers
163 views

How is ATC handed for private rural airstrips? [duplicate]

In rural Australia there are farms that have private airstrips. My question is when an aircraft wishes to land at such a strip (for example a flying doctor) who handles the landing aspects of ATC. ...
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2answers
4k views

Why would an airliner make a 90° course change?

Why would this airliner be doing a 90° course change at cruising altitude? I saw this while waiting for a traffic light to change. 9 Jan 2020 1:42 pm (18:42 UTC) at Virginia Beach, VA, coordinates: ...
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3answers
107 views

What is the proper phraseology for a clearance with a named obstacle departure procedure?

The Phoenix Mesa-Gateway Airport (KIWA) has a named obstacle departure procedure - the Phoenix Departure. What's the correct phraseology for when clearance assigns it to you? Is it "N123AB, cleared ...
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1answer
137 views

Are Helicopters allowed near busy airports? [closed]

Are Helicopters allowed near busy airports or any airports at all and if not why not
30
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4answers
7k views

Why are there many pilots who don't say “mayday, mayday, mayday” to declare an emergency?

I've been listening to some ATC from some major commercial pilots and in every video where there's been some confusion about declaring an emergency they've used some terminology other than "mayday, ...
6
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2answers
1k views

Can a IFR flight plan be amended or cancelled whilst in flight?

I'm asking, because ForeFlight states in their demo training video that an IFR filed flight plans can only be amended or cancelled up to 47 minutes prior to it being filed (and up to 2 hours after, ...
-2
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2answers
119 views

When does a pilot ask for landing clearance, and when do they recieve it? [duplicate]

Could a pilot flying directly overhead of the airport gain landing clearance, Could a pilot on the wrong end of runway heading get landing clearance, Or would they require approach instructions, or ...
2
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2answers
121 views

Is a Mode C or S Transponder a type of Mode 3 Transponder?

Mode A transponders are sometimes referred to as Mode 3/A transponders. According to NATO STANAG 4193 (not publicly available, summary from Wikipedia), the "3" in that description refers to the mode ...
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3answers
138 views

How long is a climb leg in a step-climb cruise flight segment allowed to take, according to regulations (FAA/EASA)?

I am working on a trajectory optimisation program for commercial, large aircraft, in which I want to incorporate realistic air traffic control regulations. One of the constraints I want to incorporate ...
5
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1answer
427 views

What terminologies are used when ATC instructs a pilot to stop or proceed with his transmission?

If some pilot forgets to release his mic button, distracting everyone on the frequency, what terminology can be used by an ATC to stop it? And if another pilot stop transmitting his message until the ...
5
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1answer
242 views

Is there absolutely any way (hook or crook) to listen to ATC in India, especially Bangalore?

We can listen to various ATC radios across the world, but I really want to listen to the ATC at VOBL.
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4answers
325 views

Does a pilot need clearance to enter the traffic pattern?

In one video, I saw a Cessna that got its instructions to enter the pattern along with landing clearance, but I saw another where the pilot just flew in and got clearance somewhere around late-...
13
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1answer
2k views

What happens if a crew complies but does not read back ATC instructions?

For example, a commercial airliner is inbound and is in the traffic pattern; ATC instructs the aircraft to reduce speed to 160 knots, which the airliner does. ATC notice the aircraft has complied but ...
8
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3answers
1k views

When can a taxi clearance allow me to cross multiple runways?

I was just reading the FAA instrument procedures handbook and saw the paragraph below in Ch 1. I'm puzzled by this, because I routinely get "Cross runways XX right and XX left on Alpha" as part of my ...
4
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4answers
412 views

Is a 40-year-old person too old to start an ATC career?

My wife: is 40 years old is a mother of two (able to do five things simultaneously / in the same time) has been working as an English and French teacher for her whole career (19+ last years) has very ...
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2answers
48 views

Is the capacity of an airspace sector related to the number of routes it crosses?

I've been searching for data about the capacity of sectors for my PhD research but somehow can't find any...the only thing I found is the routes it crosses ....can we conclude that it's the capacity ...
3
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1answer
255 views

last 747 flight path, was this hand flown? How was this communicated with ATC? [duplicate]

Elal's last 747 flight made this nice path of a 747, how was this done? Could this be entered into the computer and flown? or was this hand flown The path looks quite neat Also what is the ATC ...
6
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1answer
206 views

How is the Flight Plan Data transferred into an aircraft/plane?

I know that pilots have to fill the ICAO standard flight plan and send it to the relevant CAA to be checked, updated if needed and finally approved before the flight takes off. what I am looking for ...
2
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1answer
130 views

What is the difference between “Bay” and “Stand”?

When should we use the word Stand and when Bay for ATC taxi clearance?
7
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1answer
480 views

How would an aircraft fly PIKES ONE departure procedure of Denver Airport?

I was examining FAA's departure procedures and I noticed PIKES ONE SID (chart and continuation) which serves Denver Airport. In the description, it states: TAKEOFF ALL RUNWAYS: Fly assigned ...
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1answer
446 views

Can I listen to control tower frequencies on a ham radio legally [duplicate]

Is there a frequency I can tune into to listen to airport I’m in Durham by RDU AIRPORT and would like to listen in on a ham radio only legally
11
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2answers
4k views

Is there a minimal approach speed for airliners during rush hour?

For busy airport, sequencing can be complexe. If the ATC put all aircraft in front of each other with the correct separation (which can be really small for busy airports) in final, if the airliners' ...
0
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1answer
95 views

How to match ATC requirements to work in EU?

My Brazilian boyfriend is finally planning to move into the EU zone (he actually got an Italian passport). He would be glad to keep his work as an Air Traffic Controller but despite his 10 years ...
4
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1answer
84 views

How does density altitude affect Taxi-Out Time?

To keep things brief, for a data exploration project, I calculated density altitude for a couple airports and used flight statistics from https://www.transtats.bts.gov/ONTIME/Departures.aspx. I was ...
6
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2answers
126 views

Why did the tower at a Class D airport not set me up with flight following on the ground?

On a trip I had a few days ago I had contacted the ground controller at Santa Fe Municipal (KSAF), a Class D airport, to arrange for a VFR departure to the southwest and requested VFR flight following....
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1answer
244 views

What do these symbols indicate on the ATC display?

I just got found ATC controller display on the internet and could you tell me what are these symbols indicating? For example the ones I highlighted in red?
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1answer
124 views

How could I match the surrounding traffics displayed with their radio communication

If I have a traffic display I could see the traffics in proximity of my aircraft and meanwhile I could listen to their voice communication. So how could I match the traffic shown in the display with ...
3
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2answers
204 views

When should I notify ATC when I notice that I may have conflicting traffic?

Let us say I am flying at FL100 with heading 360 and I noticed that ATC just cleared another aircraft to climb to FL100 with heading 270, and we may have a converging path if we proceed with our ...
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0answers
59 views

Are there any scenarios that a controller clear different aircraft at the same altitude? [duplicate]

In the real world, are there any scenarios that the controller clear the same altitude or flight level to different aircraft at the same time?
6
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1answer
399 views

What are ATC-side procedures to handle a jammed frequency?

A few days ago, I was flying into my base airport in the USA with a control tower, and something/someone was jamming the frequency with what the tower thought was a hot mic after I had established ...
2
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1answer
214 views

What did this ATC call mean?

Audio Clip There is a rwy 24 in this airport. I'm not sure but the aircraft callsign likes 'TBN3BV'. I tried to find what the aircraft type is but I couldn't. Does somebody know what type of aircraft ...
33
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3answers
9k views

What can a pilot do if an air traffic controller is incapacitated?

I watched this video: where a Las Vegas controller is on duty alone and suffers a stroke. The pilots become quite uncomfortable with the situation and basically ...
33
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2answers
8k views

What did the controller say during my approach to land (audio clip)?

I recorded this ATC audio clip during a recent flight. I'm not sure but he may be saying, 6CP, cancel lining clearance......(missing)....traffic will be in position. Can you complete this ...
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0answers
151 views

Is “margin final” an ATC instruction in USA?

I was south-east of the airport and the active runway was 24. The ATC said, "Make straight in and remain south." And then he said, "Margin final, cleared [to] land." What is margin final? I'm an ...
2
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1answer
116 views

Is there any current and/or upcoming technology that alerts Air Traffic Controllers in case of loss of aircraft separation?

Currently doing an assignment and it to analyse an accident where older atc systems could have been at fault. In 1995 there was an incident where two aircraft came closer than the then current ...
13
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2answers
2k views

What is the procedure to follow for “traffic not in sight”?

What would be the proper procedure to follow, when in the pattern or approaching an airport, if ATC gives you the position of an aircraft and you do not have them in sight? Do you just report "not in ...
21
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7answers
7k views

Can two aircraft be allowed to stay on the same runway at the same time?

My understanding is that the runway should always be cleared, and occupied by no more than a single aircraft for takeoff and/or landing at any given time. Is there any scenario in which ATC can ...
10
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6answers
3k views

What will be the immediate action by the pilot and ATC if any plane blocks the runway while landing?

Suppose, if the Airport has only one runway and one plane is trying to take off at the end of the runway and other plane trying to land from the other end of the runway. Due to any reason if the ...
5
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1answer
113 views

What is special about the ICAO Caribbean region for VFR climb/descent?

In the FAA JO 7110.65 that provides rules for air traffic control, the following limitations are listed for VFR climb and descent: 8−8−5. VFR CLIMB AND DESCENT a. In the Houston, Miami, and ...
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1answer
90 views

Georgian Airways Flight Delay - Did LGW refuse flight and why? [closed]

Hi Our flight was delayed for 8 hours due to bad weather at Gatwick but there was no bad weather. I believe the airline was rejected by Gatwick due to a chance for holding if a storm came in. Is there ...
2
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2answers
157 views

What is the proper procedure to change VFR altitude when changing heading from east to west?

When you fly from west to east, sometimes your route heads west to avoid obstacles or to clear class B or C airspace. According to hemispheric rule, let's pretend I selected 7500 feet for VFR to the ...
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4answers
217 views

What kind of waypoints/routes are used to prepare a flight plan in practice?

I have noticed that FAA provides data delivery service where both waypoints and ATS routes are available to download. By looking at the files, I realize that there are a variety of waypoints and ...
10
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1answer
239 views

Which commercial aircraft can fly Micro-SLOP procedures?

"Strategic Lateral Offset Procedures (SLOP) are approved procedures that allow aircraft to fly on a parallel track to the right of the centre line relative to the direction of flight to mitigate ...
3
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1answer
160 views

How can I get 'lead point' for aircraft to intercept final course?

As controller, I always wonder when should I instruct aircraft to turn. The aircraft does not turn at right angles as soon as instructed, but rather has turning radius. So, I tried to find the formula ...
18
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2answers
2k views

May the tower use the runway while an emergency aircraft is inbound?

I have a question regarding an aircraft in emergency. Of course it will have priority for landing but if the position of this aircraft is very far, like for example 20 minutes or more away, would the ...
2
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3answers
350 views

What is the standard report when pilots exiting and clearing the runway

Let us say I landed on runway 7 and will exit the runway thru taxiway Charlie, is that a standard report like "(Aircraft ID) taxing clear RW7 at Charlie"?
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2answers
197 views

Are there locations/altitudes with minimum speed requirements?

For example, a slower aircraft operating on the North Atlantic Track System would have an operational impact on surrounding/overtaking aircraft as well as potentially increasing ATC workload to ensure ...
0
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1answer
149 views

Are Transponder Mode A and C still in use?

Are the ATC transponder Mode A and Mode C still in use (according to ICAO or FAA rules)?
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1answer
444 views

What was the motivation for revoking the licence to the pilots of Northwest flight 188?

This video describes Northwest flight 188, where two pilots overshot their destination by 150 miles, without contacting ATC for an hour. They cited 'cockpit distractions' as the reason and ...