Hong Kong Regulations

AIR NAVIGATION (HONG KONG) ORDER 1995 - SECT 45

Method of carriage of persons

A person shall not be in or on any part of an aircraft in flight which is not
a part designed for the accommodation of persons and in particular a  person
shall not be on the wings or undercarriage of an aircraft. A person shall not
be in or on any object, other than a glider or flying machine, towed by or
attached to an aircraft in flight: Provided that a person may have temporary
access to-

   (a)  any part of an aircraft for the purpose of taking action necessary for
        the safety of the aircraft or of any person, animal or goods therein;

   (b)  any part of an aircraft in which cargo or stores are carried, being a
        part which is designed to enable a person to have access thereto while
        the aircraft is in flight.