What the 4-digit code every commercial aircraft broadcasts actually tells air traffic control

Every commercial flight has a squawk code. Learn why there are only 4,096 codes, what 7500, 7600, and 7700 mean, and how ATC ...
Travel + Leisure on MSN

This 4-digit Airplane Code Helps Air Traffic Controllers Spot Emergencies in Seconds—Here’s What Travelers Need to Know

It has nothing to do with birds—though that’s closer to the truth than you may think.
Hosted on MSN

Why do pilots use the term squawk instead of transponder code?

Airlines today have many unique and quirky practices that may seem unusual to people outside aviation. In particular, to anyone listening to air traffic control communications for the first time, the ...

RAF plane 'declares emergency' over Liverpool as pilot issues squawk alert

The T-6 aircraft took off from Anglesey Airport in Wales and indicated a general emergency on board while flying over ...
SlashGear

What Is Jet Squawking? (And How Does It Work?)

Have you ever walked through an airport, seen the departures listings, and wondered how on earth air traffic controllers (ATCs) stay on top of everything? With 45,000 daily flights in the U.S. alone, ...

Southwest Flight Declares Emergency, Issues International Distress Code Before Diverting to Honolulu

A Southwest aircraft lands. The flight crew issued a squawk 7700 code signaling an in-flight emergency and landed in Honolulu ...