You noticed your screen fading to black at 30,000 feet in X-Plane 11. The oxygen tank is functioning properly. Check the passcode settings and ensure you're using the correct aircraft model (Zibo 737) and audio source (Fmod via AudioBirdXP).
You noticed your screen fading to black at 30,000 feet in X-Plane 11. The oxygen tank is functioning properly. Check the passcode settings and ensure you're using the correct aircraft model (Zibo 737) and audio source (Fmod via AudioBirdXP).