Download Toon Airplane Pack v2 Free Unity. 

This pack contains:
Airplanes:
– 5 Stylized airplanes.
– 1 Airship.
– 1024×1024 normal, specular and diffuse textures.
– Airplane models range between 1200 to 1600 triangles.
– Movable controls: aileron, rudder, elevator and propeller.
– Collision mesh for each model, set up inside a Prefab.
– PSD files for creating new airplane liveries.

Environment:
– 4 Airport buildings.
– Over 20 environment assets.
– Gas and Firefighter trucks.
– Building animations.
– Demo island scene.