Unauthorised presence on board aircraft
20.—(1)  No person shall —
(a)get into or onto an aircraft which is at an airport to which this Order applies except with the permission of the aircraft operator or a person acting on his behalf; or
(b)remain on such an aircraft after being requested to leave by the aircraft operator or a person acting on his behalf.
(2)  Any person who, without lawful authority or reasonable excuse, contravenes sub-paragraph (1) shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $10,000 or to imprisonment for a term not exceeding 12 months or to both.