Release of small balloons
93.—(1) A person must not cause or permit—
(a)a group of small balloons of more than 1,000 in number to be simultaneously released at a single site wholly or partly within the aerodrome traffic zone of a notified aerodrome during the notified operating hours of that aerodrome unless that person has given to the CAA at least 28 days previous notice in writing of the release;
(b)a group of small balloons of more than 2,000 but not more than 10,000 in number to be simultaneously released at a single site—
(i)within airspace notified for the purposes of this sub-paragraph; or
(ii)within the aerodrome traffic zone of a notified aerodrome during the notified operating hours of that aerodrome,
except with the permission of the CAA; and
(c)a group of small balloons greater than 10,000 in number to be simultaneously released at a single site except with the permission of the CAA.
(2) In this article, “simultaneously released at a single site” means the release of a specified number of balloons during a period of not more than 15 minutes from within an area not more than 1km square.