Questions tagged [radio-communications]

Radio is the primary way that pilots communicate with air traffic control and with other aircraft.

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16
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3answers
3k views

Why are turbine-powered aircraft “considered ready for takeoff”?

In an answer given to How can I politely remind ATC that I'm waiting for instructions or clearance? by @Mark, he quoted part of AIM regs: 4-3-14. Communications a. Pilots of departing aircraft ...
9
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8answers
15k views

Is it possible to use normal headphones for passengers in a light aircraft?

I'm just finishing up my private license and am looking forward to taking some friends up in a Cessna 172. I've invested in a nice aviation headset for myself, but, as none of my friends are pilots, ...
12
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4answers
7k views

What happens when a takeoff clearance is cancelled by the ATC?

Let's say an commercial passenger jet is accelerating down the runway, taking off. The ATC receives some signal that he/she should cancel all takeoff clearances. Exactly what happens in the control ...
5
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4answers
1k views

How often is communication lost with aircraft?

I just read the NTSB press release of Northwest Airlines Flight 188 that flew more than one hour without making any radio contact. I imagine there may be many causes for losing radio contact with the ...
7
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6answers
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How do you calculate the maximum distance to communicate with tower control?

I'm stuck on the following riddle found on the geocaching web site: A helicopter pilot is flying at an altitude of 1981 meters. He is heading inbound an airfield 335 meters high. There are no ...
5
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2answers
2k views

How to choose an aviation headset?

I am currently working on my private pilot license and am using a headset from the flight school. I am coming up to my first solo and thinking about purchasing my first headset. There are many ...
44
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4answers
20k views

Who has the higher authority, the pilot in command or ATC?

I'm sure many people have heard about the communication between a Delta flight 2244 and Atlanta tower being on news today. When the Controller informs the Pilot he is on a wrong taxi-way, things get ...
10
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1answer
8k views

Is there a button that pilots push to transmit on the radio?

Is there any button which needs to be pressed when the pilot or co-pilot wishes to talk to ATC? Normally in videos on YouTube they don't seem to be doing anything special other than speaking, but I ...
8
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2answers
497 views

Is it legal to fly without a radio in Germany?

Most people in the aviation world know that it's legal to fly a Super Cub without a radio in the US. Is it legal in other parts of the world, specifically Germany? I stumbled across this section in a ...
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5answers
7k views

How did aircraft communicate during early air travel?

During the initial era of air travel how do the pilots/Navigation officers would communicate with ground stations? Do they use radio communication? Or Telegraph was used?
10
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1answer
3k views

What means do airline ground staff have to converse with pilots in flight?

It seems that airline operational staff on the ground have the ability to initiate verbal communication with airline pilots on at least some airliners, in flight. Obviously pilots can communicate ...
15
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3answers
4k views

Why shouldn't you use HF radio while refueling?

FCOM limitations for many aircraft state: DO NOT USE HF RADIO WHILE REFUELING Why is this? I have heard from people that it's because most of the big airliners have a 'notch' antenna for HF; it's ...
28
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2answers
19k views

What does ATC mean when they refer to “company”?

Listening to LiveATC there are references by various ATC entities (towers, approach, etc) to "company". To what does this refer?
33
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6answers
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How would an airplane land if the on-board radio breaks down?

Is there a special protocol for a situation where the on-board radio communication equipment suddenly breaks down? Would the pilot be able to land on a busy towered airfield or would they be forced to ...
7
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1answer
1k views

Am I required to have my Radiotelephone Operator's Restricted Certificate (Aeronautical) on-board the aircraft with me?

Is there a Canadian law or regulation which requires me to have my Radiotelephone Operator's Restricted Certificate (Aeronautical) on-board the aircraft with me? This is what I've found so far: ...
7
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3answers
3k views

Is there a general radio frequency in Class G for broadcasting intentions?

Let’s say you’re in class G and doing some aerobatics. Is there any standard frequency you might use (perhaps MULTICOM on 122.9?) to communicate your intentions? Assume you’re not using flight ...
15
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3answers
3k views

Why do we no longer have a navigation officer on modern commercial flights?

In the olden days there used to be a navigation officer in commercial airlines who had the tasks of navigation and radio communication. But, in modern commercial airliners there is no navigation ...
17
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3answers
21k views

What exactly are the functions of an aviation headset?

All I know from Google searching is that they provide hearing protection and ATC communication maybe? Do pilots have to attach them or are they wireless? Who can the pilot reach using them? How much ...
10
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1answer
692 views

Are there regulations or adverse effects regarding Bluetooth in the cockpit?

Are there any FAA regulations concerning wireless Bluetooth headsets in the cockpit of any aircraft? Moreover, I'm interested in finding out if the Bluetooth protocol (IEEE 802.15.1) will adversely ...
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0answers
113 views

Anyone estimating possible paths of MH370 quantitatively? [duplicate]

I had posted the question below on a New York Times article, but did not get any useful replies. The series of six successful Inmarsat pings known to exist, MAY carry enough information to say if the ...
11
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2answers
6k views

How do pilots/controllers deal with overlapping transmissions on the radio?

A disadvantage of the analogue radio1 used for communication is that it does not receive when it transmits. Everybody is trained to wait until the frequency is quiet before starting to talk, but it's ...
2
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1answer
297 views

Is there a list of what information different airlines track about their flights?

It has been suggested in the media and in some answers here that airlines vary in the information they track about the status of their flights. Is there a publicly available resource that lists what ...
43
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3answers
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Why do pilots have the ability to turn off the transponder in-flight?

These days, when reading news about missing Malaysia Airlines Boeing 777-200, I keep coming across a scenario where pilot might have deliberately turned off the transponder which is used for the ...
13
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2answers
3k views

Do bluetooth aviation headsets and/or music negatively affect safety?

I'm in the process of getting my private pilot's license, and I've come to the point where it's probably time to think about buying a headset. As I understand it there are a few options ranging from ...
14
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2answers
12k views

What is the difference between “closed traffic” vs “stay in the pattern” request?

My instructor made "request right closed traffic..." call before practicing a series of landings. Just wondering, what is the difference between this request and a "stay in the pattern..." request? ...
13
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1answer
3k views

If the radio fails, can a pilot contact the tower by cell phone? [duplicate]

Is it an accepted practice to notify the tower of a radio failure by cell phone, and use the cell phone as a radio, or are there other ways of dealing with radio failure?
9
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1answer
2k views

Can airline pilots communicate with dispatchers?

Is it possible for airline pilots to communicate with dispatchers? If so, what methods do they use? A special radio channel?
13
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1answer
754 views

Can St. Elmo's Fire cause instruments to fail?

Can St. Elmo's Fire on an aircraft cause instruments to fail or give erratic readings, primarily with glass cockpits? Are there backup instruments that would not be affected? Does it affect radio ...
6
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3answers
2k views

Is a “T” (Tango) prefix required before the registration number for Part 135 flights?

After September 11th, the FAA required all Part 135 air carrier flights to prefix their registration number with a "T" and use the "Tango November" prefix on the radio. Every once in a great while (...
31
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3answers
65k views

“What's our vector, Victor?”: What does this mean?

In Airplane there is a famous sequence: ...
13
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3answers
24k views

What are pilot position reports?

I do a lot of shortwave radio listening, and I often listen to MWARA air traffic radio transmissions based out of San Francisco for flights crossing the Pacific Ocean. When giving position reports the ...
13
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1answer
26k views

What is “clearance delivery” meant for?

I was recently having a conversation where the term "clearance delivery" popped up, and was talking about his time flying into PHX, but in all of my time flying, I've never heard of the term before! ...
22
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1answer
62k views

How do I contact Flight Service while in flight?

How do I contact a Flight Service Station (FSS) in the United States in order to receive weather information or open a flight plan after I've already departed.
12
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3answers
2k views

How do I clear an aircraft to exit a hold?

I'm learning ATC and one question is worrying me.. How do I tell a pilot to exit a hold and continue inbound... Eg: pilot has entered hold and done one orbit. and started the second, and I want the ...
20
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1answer
914 views

Practice Pans - are there any genuine reasons not to use them?

I'm a low time PPL. In my personal opinion, practice pans, perhaps one or two a year, are a good thing. Practice in a procedure that builds confidence removes one more item from the pucker factor ...
5
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3answers
1k views

How should a Traffic Control Tower notify aircraft that their frequency just changed?

What is the policy for ATC towers to notify aircraft the frequency they broadcast and monitor on has changed? How do they do it, if radio isn't available (because they just changed their frequency)?
22
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4answers
26k views

Why is 121.5 called “guard”?

What is a "guarded" frequency and how does it differ from a frequency that's unguarded?
22
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6answers
19k views

Is there a dedicated emergency frequency?

Coast patrol has a dedicated frequency for emergency that must be watched at almost all hours, and even if I recall, it had a "dead silent period" to prioritise whatever emergency might be reported. ...
8
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1answer
234 views

Who's in charge of running VOLMET stations worldwide?

Are the broadcasters private individuals, governments, companies? Are they required to function 24/7 and if they don't, are the owners fined?
14
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2answers
5k views

What is the proper procedure for leaving class D airspace?

So one thing that always struck me as kind of odd was when you depart a class D tower (VFR) and you get your departure instructions, that's kind of ... it. You just go on your merry way and switch off ...
48
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3answers
13k views

How can I politely remind ATC that I'm waiting for instructions or clearance?

(background: low-hour, low-experience, private pilot.) I've got an issue regarding talking to air traffic controllers, especially when I think they may have messed up, yet still giving them the ...
5
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2answers
574 views

What does the German AZF radio license test comprise of in the oral examination?

I understand you're required to have an AZF-license, on top of a BZF-license to do IFR radio transmissions in Germany; I also figure the test is similar to the BZF license with a written and an oral ...
11
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3answers
984 views

What is an easy format for giving pilot reports?

Is there a technique anyone has to make it easier to give PIREPs (mnemonics, etc?) I'd like to be able to give them while I fly but I can never find the expected format handy, so it ends up being a ...
16
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5answers
8k views

Is it required to contact approach when flying VFR into a Class D airfield?

Is it required when under VFR to contact an airfield's approach when approaching to land at a class D? KDLH is my example airfield. They possess independent radar approach and departure (same ...
15
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3answers
820 views

Is English sufficient for international aviation?

Is it possible to fly internationally understanding only English for radio communications? Are there exceptions?
27
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5answers
17k views

Which ATC instructions should be repeated back by the pilot?

AIM 4-4-7 (b) says: Pilots of airborne aircraft should read back those parts of ATC clearances and instructions containing altitude assignments, vectors, or runway assignments as a means of ...
12
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3answers
3k views

What ATC entities does a commercial airliner communicate with?

As a private pilot, I am familiar with tower, ground, approach and departure control, but I am aware that there are other entities like clearance, pushback and center. If I were flying a commercial ...
36
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4answers
76k views

When are winds given with respect to true vs. magnetic north?

Wind information can be reported by various sources (ATIS, METAR, TAF, spoken on the radio, etc). I was taught that officially some of these sources are relative to magnetic north and others to true ...
43
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2answers
4k views

What does it mean when the controller uses the word “request”?

I recently had the opportunity to fly a PAR approach into Büchel Airbase in Germany. It was a ton of fun and I'll definitely try it again when I get the chance. However, as we were getting set up for ...

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