(1) Markings , for an aircraft, are the Australian nationality mark and the aircraft's registration mark, in that order, connected by a hyphen.
(2) However, if the aircraft is a registered sailplane operating in Australian territory:
(a) the aircraft's markings need not include the Australian nationality mark; and
(b) if the first letter of the aircraft's registration mark is "G"--the aircraft's markings need not include that first letter.
(3) A set of markings , for an aircraft, is an instance of the aircraft's markings.