1310. Aerial advertising and propaganda.

No aircraft while in the air over any part of the United Kingdom1 or its territorial waters may be used, whether wholly or in part, for emitting or displaying any advertisement or other communication in such a way that the advertisement or communication is audible or visible from the ground2.

This prohibition does not, however, apply in such circumstances as may be prescribed3. These circumstances are:


    (1)     the use of an aircraft for the emission or display of any communication solely for one or more of the following purposes, namely:


      (a)     compliance with any law relating to the aircraft;