I waited and the game did start on my Quest 3.
It needs more guidance about what to do. Just saying 'Throttle' doesn't say a value to set it to.
Eventually I got moving and ran through some trees near the airport before managing to take off.
Where do I need to go? Is there a place to reach?
I decided to follow the blue dot and went down the valley between the mountains . I was doing fine until I switched on the auto-pilot who flew us into the mountain!