Article 4(1)

 1. Aviation activity

(1) An aviation activity consists of any of the following activities other than excluded flights -

(a) a flight departing from an aerodrome situated in the United Kingdom and arriving in an aerodrome situated -

(i) in the United Kingdom;

(ii) in an EEA State;

(iii) in Gibraltar;

(iv) on an offshore structure in the UK sector of the continental shelf or an offshore structure in the continental shelf of an EEA state;

(v) in Switzerland;

(b) a flight arriving in an aerodrome situated in the United Kingdom from an aerodrome situated in Gibraltar.

(c) a flight departing from an aerodrome situated in Great Britain and arriving in an aerodrome situated in Switzerland.