Aviation by mission

thumb|Skywriting over Oshkosh, Wisconsin during EAA's Airventure in 2008. Skywriting is the process of using one or more small aircraft, able to expel special smoke during flight, to fly in certain patterns that create writing readable from the ground. These messages can be advertisements, general messages of celebration or goodwill, personal messages such as a marriage proposals and birthday wishes, or acts of protest.

type of advertisement

aircraft flight used to deliver or reposition an aircraft to a base of operations