Garmin GTN 650 Cockpit Reference Guide - Page 11

Transponder - installation specials

Page 11 highlights

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 finished selecting the new code. The table below lists special squawk codes: Squawk Code 1200 7500 7600 7700 Description Default VFR code in the USA Hijacking Loss of Communications Emergency Special Squawk Codes NOTE: While 1200 is the default VFR squawk code, the installer can configure any code to the VFR key. This is to support international operations where 1200 may not be used. 190-01004-04 Rev. C GTN 625/635/650 Cockpit Reference Guide (CRG) 5

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5
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 finished 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
configure any code to the VFR key.
This is to support international
operations where 1200 may not be used.