Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Water Landing Aircraft Free.
Water Landing Aircraft v2.0
This is a model of a civil water landing aircraft.
It has 3752 polygons, textures are 1024×1024. Propeller, flaps and other moving parts are separate objects so they can be animated if needed.
– Contains a high detailed cockpit.
– Ladders are separate object, can be disabled/deleted if not needed.