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190-01004-04 Rev. C
GTN 625/635/650 Cockpit Reference Guide (CRG)
Transponder
Special Squawk Codes
The selected squawk code will always be in use. As you change a squawk code,
the original code will be sent until you are fi nished selecting the new code.
The table below lists special squawk codes:
Squawk Code
Description
1200
Default VFR code in the USA
7500
Hijacking
7600
Loss of Communications
7700
Emergency
Special Squawk Codes
NOTE:
While 1200 is the default VFR squawk code, the installer can
confi gure any code to the VFR key. This is to support international
operations where 1200 may not be used.
Summary of Contents for GTN 625
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