AAF Wind Direction Pilot Trainer Gauge? Army Air Force 27759 F. Not sure if this is off a trainer or what. Condition is vintage pre-owned for parts only. Please see our photos which are part of our description for condition.Please see our Store for great Vintage Military Collectible Items! This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Other US WWII Original Items". The seller is "emeraldchest" and is located in this country: US. This item can be shipped to United States.