The Extradition (Tokyo Convention) Order 1997

Article 4

1.  A Contracting State which is not the State of registration may not interfere with an aircraft in flight in order to exercise its criminal jurisdiction over an offence committed on board except in the following cases:

(a) the offence has effect on the territory of such State;

(b) the offence has been committed by or against a national or permanent resident of such State;

(c) the offence is against the security of such State;

(d) the offence consists of a breach of any rules or regulations relating to the flight or manoeuvre of aircraft in such State;

(e) the exercise of jurisdiction is necessary to ensure the observance of any obligation of such State under a multilateral international agreement.