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Re:Passenger with “no idea how to fly” lands plane after pilot incapac...
on Wednesday May 11, 2022 @05:52PM (#31346349)
1200 is VFR. That doesn’t mean null. 7500, 7600, and 7700 are used for various emergency purposes. These are transponder codes, not radio channels. It’s a code returned when the transponder is painted with interrogative radar.