# The Air Navigation Order 2016, Article 93: Release of small balloons

Extent: E+W+S+N.I.

(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, a specified number of balloons counts as “simultaneously released at a single site” if released during a period of not more than 15 minutes from within an area not more than 1km square.

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Source: https://www.legislation.gov.uk/uksi/2016/765/article/93 (the official version)
Page: https://openlegislation.uk/air-navigation-order-2016/article-93
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.