What is a Squawk Box in Aviation?
A “squawk box” is an essential piece of aviation communications. Its technical name is a transponder. It’s a radio frequency identification (RFID) device that send a signal, or “squawk,” to air traffic control (ATC) radar systems. The squawk helps controllers identify each radar blip as a specific flight. It is a critical tool that communicates between an aircraft and ATC. The transponder helps identify the aircraft, transmits its altitude, and alerts ATC to emergencies. Both pilots and controllers must understand how a squawk box works and its unique role in maintaining safe flight operations. In this article, I’ll share the origin and functions of a squawk box, the meaning of squawk codes, and practical applications. I’ll also include related aviation … Read more