“Cessna 642SP, Squawk 4425”

Ever wonder where the term “Squawk” comes from?  I actually never paid it much attention, but when you think about it, it’s a pretty strange term.

Thank you Bob Doyle for bringing attention to this article on the development of aircraft surveillance systems.

If you want to find the answer, take a look at this short piece.  Hint:  It has something to do with parrots.


Click Here for the pdf

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