I've done some testing and I think I've isolated the issue. If I start a flight in the sim, restart couatl (else I can't open GSX menu, there is always the message "Couatl engine has not started"), open the GSX menu and select anything the VDGS works correctly. However, if I click on "reposition aircraft" and select an action (boarding, refueling or catering) there is this problem. The workaround is to click on Reset position and everything works well after. The VDGS doesn't like that my position changes suddenly. It could be good if this was fixed because it demands a lot of steps :
- start the sim
- restart couatl
- open GSX menu and "reposition aircraft"
- open GSX menu and "reset position"
- open GSX menu and select ...
It's 5 minutes of handlings that could be saved...
Thank you for your response aal763, I just don't understand the difference even after googling it. The ETD I choose on simbrief corresponds at the time the airplane leaves the ground right ? I don't understand how the VDGS could indicate something that happens 20 min after. If it were 10 minutes before takeoff I would understand since pushback and taxi can take time, but 20 min after I don't. Like you said, it will probably be fixed.