Dockfighters: The Ale Wars

A Miniature Aerial Combat Game with Epic Dieselpunk Fighteraircrafts, Airships and airborne launched Dockfighters, set in 1948.
You move your fighteraircrafts on a hex grid in different heights and with different speeds.
Planes can be equipped with various weapons and your pilots will gather experience during each combat.
You play against or together with friends, in single missions or entire campaigns.

—description from the designer