How do I connect my Garmin GDL 39, 39 3D or 39R to ForeFlight Mobile EFB?

To connect your Garmin GDL39, GDL39-3D, or GDL39R to ForeFlight Mobile EFB, you will first need to make sure your unit has firmware version 4.0.0 or later.  Once that is done, pair the GDL to your iPad or iPhone via Bluetooth and then open ForeFlight and tap MORE> DEVICES > GARMIN CONNEXT to confirm connection with the ForeFlight app.