Air Traffic Control Approach Transponder 
Pilot Institute
FEBRUARY 28, 2025
Lets say youre cruising at 10,000 feet when Air Traffic Control (ATC) instructs you to “squawk 1200.” Pilots and ATCs daily use transponder codes, also known as squawk codes. Lets examine the key transponder codes, what they mean, and how useful they can be when used correctly.
One Mile at a Time
APRIL 27, 2025
He told her he believed that air traffic control wanted them to turn left, toward the east river bank. This is where the details are really concerning. It was their last communication. The Black Hawk was 15 seconds away from crossing paths with the jet. Warrant Officer Eaves then turned his attention to Captain Lobach.
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Aerotime
JULY 9, 2024
Having completed the oceanic crossing part of the journey, and as the flight crossed the English Channel at 20:55, the crew of DL266 reported a loss of cabin pressure and set the 7700 internationally recognized emergency code on the transponder.
AV Web
APRIL 22, 2025
After all, its equipped with a modern Garmin avionics suite: a G500 PFD/MFD, GTN 750 and GTN 650 navigators and importantlya GTX 33ES remote ADS-B transponder. As it turns out, air traffic controllers dont always display ADS-B data on their screens. Good to go, right? Apparently not.
Pilot Institute
DECEMBER 12, 2024
Talking to air traffic control (ATC) while flying IFR is challenging in the beginning, but with time and practice, you can master it! You cant rely on visual cues to avoid other traffic – or even navigate accurately. Key in the code to your transponder so that ATC knows who you are. The squawk code.
Plane and Pilot
JULY 3, 2024
Setting up for an approach, taxiing at a busy airfield with complicated diagrams, during the actual takeoff and landing, or receiving an updated weather briefing in flight are a few examples of this. Traffic information systems in our panels—or fed to our EFB—help us predict other traffic that may be nearby through awareness of its position.
Flight Training Central
JUNE 17, 2024
Flight Following is an aircraft flying under VFR that is taking advantage of Air Traffic Control (ATC) services. Flight following is a relatively simple concept–it’s an aircraft flying under VFR that is taking advantage of Air Traffic Control (ATC) services. So what is flight following?
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