Rough flying monster conversion guide to Stars Without Number: Speed/Maneuverability

In my opinion, while SWN is supposed to be a drag-n-drop OSR game, it's missing something I think would be important. It doesn't have any guidance on how to give a Speed rating to the kind monsters you would be hunting or fleeing from in a vehicle, particularly flying monsters, but large monsters in general. Vehicles don't have a movement rating; they have a Speed rating. Even Engines of Babylon