(1)The prohibition in regulation 29A(A1)(b) (movement of aircraft) is not contravened by the landing of a Belarusian aircraft in the United Kingdom if failing to land would endanger the lives of persons on board or the safety of the aircraft.

(2) The prohibition in regulation 29A(A1)(a) is not contravened by the flight of a Belarusian aircraft in the airspace over the United Kingdom preparatory to a landing as mentioned in paragraph (1).

(3) The directions in regulation 29A(1) to (5) are not contravened by conduct necessary to -

(a) avoid endangering the lives of persons on board or the safety of the aircraft,

(b) protect the safety of another aircraft, or

(c) protect the safety of persons on the ground.

(4) The prohibition in regulation 29A(A1) is not contravened by the movement of a Belarusian aircraft if -