Sport Flying Books


Pilot Communications
What's so important about communication? Here's what you can do with your plane's communication system:
  • Get up-to-date weather information during your flight
  • Ask ATC to watch over you (called a flight watch) while you're flying through its area
  • Open, change, or close an existing flight plan
  • Talk with other pilots in the area
  • Ask for help or declare an emergency
Wing Tips

Contrary to popular opinion, VFR pilots are not required to file a flight plan with the FAA. Only IFR pilots must do so. However, you may if you wish, and it makes good sense if you expect to fly somewhere where getting lost can be a problem. Many instructors suggest that you always file a flight plan until you have at least 100 hours of flight time.

Sport pilots don’t have to use communication radios, but most soon discover the benefits of knowing and being known. To communicate with other aircraft and the area ATC you'll need equipment and information. Many aircraft have comm (short for “communication”) radios installed. If not, you can buy hand-held comm radios (technically, they are called transceivers) for $200 to $500. The better ones actually are nav-com transceivers that allow you to use VOR navigation aids as well as communicate with ATC and pilots. You can buy them through your local flight school, Sporty's Pilot Shop, King Schools, or other sources.

If you haven't been flying yet or much you might not be aware of how loud an aircraft engine can be, especially when a smaller aircraft is climbing. For this reason, many pilots invest in a headset. It's similar to a headset used to listen to music except that it also includes a microphone and a "talk-no talk" button. Better models can be used to talk with passengers through their headsets, and with a flick of a switch, to ATC or other pilots. Cost is $200 to $800 per set. Tell Santa! He's a pilot!

How will you communicate with ATC and other pilots? It's just like talking on the telephone (remembering that it's a party line). "Bob, this is Dan. I'm about five miles from your house and want to stop by for a soda." However, your flying conversation will go more like this: "Covington Airport, Zodiac four two seven bravo charlie downwind for landing runway two-six Covington." The common communication elements are ...
  • Who you are calling (Covington Airport).
  • Who you are (Zodiac 427BC).
  • Where you are (downwind for landing).
  • What you want to do (land on runway 2-6).

If you're talking with ATC they will acknowledge your call (as soon as they have time) and confirm, deny, or give further directions. If you're in uncontrolled airspace and you're simply announcing your intentions to any other pilots monitoring that frequency, they typically won't respond. Nor will they snicker, so don't be afraid to communicate.

Must you communicate with ATC? Only if you're going into radio-controlled airspace. If you're in Class E or uncontrolled (Class G) airspace you don't have to talk with anyone—though it's a good idea to let everyone in the area know that you're there.

Another important radio you might have in your plane is actually a transmitter only, called a transponder. It helps radar controllers "see" your plane on the radar. ATC radar can pick up airplanes without a transponder but with one, they get a positive identification from your plane. It sends out a signal that identifies you on their radar screen. If you ask for radar service, the controller will say something like "squawk four two one one," which means dial in 4221 (or any number they assign to you) on your transponder. The info will then appear on the ATC radar screen and traffic control can watch over you. If you have a transponder but are not using radar services the standard "squawk" is 1200. This code means you are flying VFR and don't require radar separation, just an angel on your shoulder.

Stall Warning!

Other squawk codes include 7700 (emergency), 7600 (you've lost other communication radios), and 7500 (you're being hijacked!). Don't let anyone play with the transponder or you might find that you suddenly have a jet fighter escort!

If you eventually earn an endorsement to communicate with ATC you’ll need to learn the phonic alphabet, used because some letters and numbers sound similar over a radio. The Aeronautical Information Manual (AIM) includes more information on the phonic alphabet.
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