English 
25
Apr
Apr
What Is a “Squawk” Code and Why Do We Need Them?
The use of the word “SQUAWK” comes from the system’s origin in WORLD WAR II- IDENTIFICATION FRIEND OR FOE (IFF) system, which was named with the code “PARROT”. The PARROT check is generally done after the aircraft is airborne or while on the runway. The primary goal of a squawk is to provide effective communication […]
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