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PMDG 737NGX to SQUAWKBOX 4 mode sel

FSUIPC Support

(@fsuipc-support)

Posts: 173

Moderator

Topic starter

Here is a script for automatic sync transponder switch in PMDG 737ngx for squawkbox, so when you switch it to on(any mode except standby) SB4 also go to on and off if in standby.

Don’t know if it can work in 777 as well but if the offsets are the same it will.

Attachment : 737NGXSB4.zip

[Originally contributed in old SimMarket support forums by user dcutugno]

Posted : November 14, 2025 1:43 pm

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