Sec. 78.15. Activities for which prior permission is required

Operators shall obtain prior permission from the airport operator before conducting the following activities at the airport:

(a) Motorless aircraft.

Gliders, sail planes, and other certificated motorless aircraft shall not land upon or be towed from the airport without prior permission of the airport operator.

(b) Ultralight vehicles.

Ultralight vehicles shall not land upon or takeoff from the airport without prior permission of the airport operator. For the purposes of this paragraph, an ultralight vehicle is defined as a contrivance used for flight that has the capacity of one person only, weighs less than 254 pounds, and carries less than five gallons of fuel.

(c) Lighter-than-air aircraft.

Airships, dirigibles, and other certificated lighter-than-air aircraft shall not land upon, moor or takeoff from the airport without prior permission of the airport operator. For the purposes of this paragraph, lighter-than-air shall mean those aircraft that utilize gases to provide lift such as airships, dirigibles, blimps, and balloons.

(d) Banner or glider towing.

Operators shall not tow banners, gliders, or any other device with an aircraft to or from the airport without prior permission of the airport operator.

(e) Formation landings or takeoffs.

Operators shall not land upon or take off from the airport in a formation of two or more aircraft without prior permission of the airport operator. As a condition for such permission, the operator shall also obtain prior permission from the local general aviation district office of the Federal Aviation Administration and the airport traffic control tower.

(f) Commercial activity.

Any commercial activity defined in section 78.1 of this Part.