Questions tagged [radio-communications]

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

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3
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3answers
115 views

How do you write 'to', 'then', or 'via' in IFR clearances shorthand symbols?

Although there are NO restrictions about the usage of shorthand symbols, still it would be useful when I fly with another person together, so I studied those symbols and got some doubt points. If ...
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0answers
30 views

SOUND-OFF: Bose A20 ANR + BT vs. Faro Stealth 2 ANR + BT [closed]

Alright, Bose A20 & the Faro Stealth 2 (TWO). Both feature active noise reduction (ANR) and Bluetooth wireless for mobile / music / alerts. Bose A20 = $1000 Faro Stealth 2 ANR = $450 Who has ...
5
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1answer
396 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 ...
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0answers
145 views

Is there a specific reason Delta Airlines is allowed to have a call sign that's also code word in the NATO phonetic alphabet?

This is a followup to Is there any specific reason why Delta Air Lines doesn't have its own callsign? I was... "helpfully" informed that, um, actually, Delta Airlines does have its own callsign, it's "...
26
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4answers
6k views

Is there any specific reason why Delta Air Lines doesn't have its own callsign?

Many airlines have their own callsigns for use over the radio. A British Airways plane is called "Speedbird", US Airways was "Cactus", etc. So why doesn't Delta Air Lines do the same? It would seem to ...
2
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1answer
131 views

Why are the VHF and UHF airbands directly adjacent to frequency bands used by vital radionavigation aids?

Of the three main frequency ranges used by aircraft for radio communications (HF, VHF, and UHF), two (VHF and UHF) have their aircraft-radio-communications frequencies clumped together into a ...
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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2answers
240 views

Is a cIearance only valid once it's accepted?

I've read somewhere that "a clearance is not valid until read back correctly," but I can't remember where or find a specific rule saying that. I understand some clearances can be accepted with "Wilco"...
2
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1answer
135 views

Why is VHF still used? [duplicate]

I have a rather easy(?) question. Why is VHF radio still the main communication method between the ATC and pilot? Is it because there is no better solution at the moment? Best regards
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1answer
123 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 ...
6
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1answer
369 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 ...
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0answers
90 views

Why would it be logical to call clearance delivery prior to CTAF during an instrument approach?

I am quoting this directly from the FAA's Instrument Procedures Handbook publication. "The communication strip provided near the top of FAA approach charts gives flight crews the frequencies that ...
3
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1answer
176 views

Do aircraft really have text communication over FMC?

I saw a photography that is obviously Photoshopped that sparked my curiosity Does aircraft have text messages transmission? Can text messages or text strings be transported over the air like ...
12
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1answer
188 views

How do you communicate with a military drone operator over radio?

This article (and other similar ones) states: In remarks at the White House on Thursday, US President Donald Trump said the drone had flown to within 1,000 metres of the USS Boxer and had ignored "...
5
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2answers
918 views

How do aircraft making HF transmissions avoid stepping on other HF users?

HF radio (High Frequency; the portion of the radio spectrum extending from 3 to 30 megahertz (MHz),1 although only some of this slice is available for aeronautical use) is the backbone of long-range ...
1
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1answer
99 views

When should I request clearance to return to altitude, after leaving cruise altitude?

I can not understand the term”cruise” perfectly. I know I should request ATC clearance to return to cruise altitude, if I leave cruise altitude to out side of the block. Ex) Cleared cruise altitude ...
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2answers
148 views

How feasible digital radio communications would be? [closed]

Its been over 100 years since we first flew and we still use analog radio with parasites and "radio effect" which changes your sound. Why don't we ditch the old system and make a mandate a new law ...
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3answers
159 views

Can ADS-B used for voice communications?

Everyone knows the radio communications doesnt sound great altough they work perfectly. But can the brand new ADS-B communications be used for carrying audio signal? Would it be clearer? The ADS-B ...
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2answers
343 views

What is the proper ICAO phraseology to activate a flight plan?

OK, so you have a flight plan filed (over internet, phone, company or however), go to the aircraft and get in the cockpit. So you call the controller and request IFR or VFR as appropriate. What is ...
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1answer
121 views

What kind of microphones does aviation use?

Do they use the dynamic ones or cheap ribbon ones? Also why are these microphones so small? I guess they dont use condensers. (I am yet to see an 3.5mm jack (which is used both on the C172 and the ...
0
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1answer
249 views

What causes harsh noise during TX/RX on VHF radio?

I am running some trial radio test on PAE VHF main radio and during TX from ATC there is harsh noise at the background even though TX is 5/5. Likewise for the incoming RX from aircrafts. So I swapped ...
7
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4answers
353 views

Are ham radio contacts allowed from inside an airplane?

This question probably lies in the middle ground between Amateur Radio.SE and Aviation.SE. I have seen a couple of videos where ham radio contacts are made with people on board a commercial aircraft ...
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2answers
126 views

What are the Area Control Center (ACC) frequencies for Germany?

I'm looking for the frequencies of all Area Control Centers (ACC) in Germany. What are they, or where are they published?
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2answers
201 views

What is a metering frequency and why would an airport have it?

I just read a post from a pilot complaining about how he thought a metering frequency was useless. It has something to do with being on the ground at an airport. What is it, what purpose does it ...
6
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2answers
266 views

How do messages get from the destination airport to a pilot?

A captain waiting in her airliner for take-off at an airport might inform her passengers: We'll be waiting another ten minutes before we're able to take off, as traffic is very busy at [destination]...
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4answers
2k views

An appropriate way to practice ATC communications

I'm a PPL trainee and I'm looking for a way to improve my radio communication. https://www.liveatc.net/ is a great way to practice but I can't fully understand the conversation between the unit and ...
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1answer
107 views

Where is the radio PTT button on a Robinson R22 helicopter?

I have some combination of joysticks and a rudder that I'm trying to use for helicopter flight simulation on my PC. Where is the radio PTT button on a Robinson R22 helicopter?
11
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4answers
2k views

When communicating altitude with a '9' in it, should it be pronounced “nine hundred” or “niner hundred”?

It sounds a little odd, but trying to understand if that's the recommended way to communicate. E.g. 9900 "Nine-thousand-nine-hundred" vs "Niner-thousand-niner-hundred"
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2answers
313 views

Is any readback required when ATC uses the phrase “RADAR CONTACT”? [duplicate]

As the title says, is a readback required? I've heard some people say that it's not required, while some others say we should readback our call sign only. Some even say just push the transmission knob ...
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3answers
3k views

Do airline pilots ever risk not hearing communication directed to them specifically, from traffic controllers?

I gather pilots communicate regularly with air traffic controllers within air traffic controllers' jurisdiction or airspace as they enter the space, during their time in that space and as they leave. ...
4
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3answers
291 views

What is the meaning of “Steer 1-2-0” in WWII texts?

I am reading some texts about WWII and English operators tell the pilots to "Steer 1-2-0". Can anyone help with the meaning of 'steer' here? Is it a synonym of 'direction', 'heading' or 'vector'?
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1answer
263 views

What does the ATC term “a company traffic” mean? [duplicate]

During my flight training I often heard the term "a company traffic" in radio calls from the ATC like: N123AB a company traffic is joining downwind runway 24 ...
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1answer
58 views

Current FMS with COMM tunning function capability?

I am currently more familiar with GARMIN 1000 systems than with the ones that are used nowadays in airliners. I know that you can tune a NAV aid from the FMC in an airliner. Actually, modern FMS ...
14
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2answers
646 views

How late can a landing clearance be given?

I regularly fly VFR in an (EASA-) airport where the tower is sometimes rather busy and the frequency full which led a few times to me receiving landing clearances as late as 10-20ft AGL above the ...
6
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2answers
242 views

Do left and right mic buttons control both headset microphones?

The aircraft I was flying today has a push to talk integrated button on each control yoke. I was sitting in the right seat, but my headset was plugged into the jacks on the left side of the cockpit. ...
4
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2answers
860 views

How do I pick the right ATC channel to listen to my flight?

I'm trying to listen to my flight's ATC communications (flying United out of SFO). What is the difference between ramp, ground, and departure channels? Ground and departure have multiple frequencies, ...
6
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3answers
324 views

How do I figure out the right pronunciation for transitions?

For example, the CNERY transition,* how exactly is this pronounced? On the VATSIM community, it seems there's a huge debate on what this is called. Some people say CONNERY, and some people say SCENERY....
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1answer
276 views

What phraseology does ATC use with jet fighter pilots? [closed]

What do they usually say or ask when the fighter pilot wants to take off, when it's in the air, and what is the reply from the fighter pilot?
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1answer
129 views

Need more volume with my aviation headset (David Clark OneX). I wear hearing aids

Does anyone know of a way to get more volume out of my David ClarK ANR aviation headset. I wear hearing aids and often fly in older airplanes with older radios that are scratch/weak/etc. I select ...
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2answers
558 views

When is 'heavy' used in callsign?

I have heared at ATC communication that some aircraft uses a heavy word in the call sign. What does heavy means? When it is used? Is it used when aircraft is heavier than 200-300 tons?
2
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1answer
84 views

Which pilot (pilot flying, pilot monitoring) handles CPDLC (operates CPDLC interface)?

This question relates to commercial flights, typical two-pilot crew: In some airspaces, e.g. North Atlantic, pilots and Air Traffic Control use Controller Pilot Data Link Communication (CPDLC, ...
4
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1answer
942 views

What steps are needed to communicate with ATC on an A320?

In the description to this video, Captain Joe says that it took this inexperienced person 20 minutes to establish radio contact with ATC (in an A320 simulator). This seems like an awful lot of time ...
36
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6answers
14k views

Why do we say certain things three times (e.g., “Mayday, Mayday, Mayday”), rather than two or four?

Repetition is a key characteristic of communication in the control tower, cockpit, and control room. Some phrases, like "Mayday" get repeated. The speaker says the same thing three times. We know ...
2
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2answers
232 views

While flying, how do I contact someone who is on the ground?

As a regular General Aviation pilot, how do I contact or relay a simple message to someone on the ground? For example, to update a friend, family member, or taxi company with an ETA or a meeting point....
0
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1answer
156 views

What is this dome used for? [duplicate]

I have seen this dome on the top of some 737-800 airplanes and am curious to know what is it for. Is the a communication antenna for the satellite connection and in-flight internet that some airlines ...
5
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2answers
817 views

How unusual were MH370's final ATC exchanges?

There are 2 noteworthy occurrences in the ATC radio transcript within just minutes of a 3rd noteworthy, quite unprecedented occurrence in aviation history: At 01:07:55 MH370 unnecessarily reported ...
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1answer
77 views

Restore air traffic controllers' instructions from aircraft tracks

Is it possible to understand what commands had been given to an aircraft if you look at its track containing information about lat, lon, altitude, speed and course? Is there anyone who has already ...
2
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2answers
275 views

Is the whole world's airspace covered by ATC? [closed]

I'm an enthusiast and have only flown flight/atc simulators (on the VATSIM network). Obviously sometimes the airspace you are flying in is not covered by any ATC (so I have to set my frequency to ...
4
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1answer
507 views

When flying in uncontrolled airspace, which ATC frequency should I contact if I have an emergency?

Question 1: If I am flying in uncontrolled airspace and I have an emergency, should I report on 121.5MHz if no ATC is within line of sight communication (which means I cannot hear the ATC and the ATC ...
0
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1answer
154 views

Please provide some expert commentary to the aborted flight of the German chancellor [closed]

This week the German chancellor's plane (an Airbus A340-300) had to abort the flight due to loss of communications. The newspaper write they only had a satellite phone left1: Die ...