Paragraph 11 OvertakingI1

Subject to paragraph (3), an aircraft which is being overtaken in the air has the right-of-way and the overtaking aircraft, whether climbing, descending or in horizontal flight, must keep out of the way of the other aircraft by altering course to the right.

An aircraft which is overtaking another aircraft must keep out of the way of the other aircraft until that other aircraft has been passed and is clear, notwithstanding any change in the relative positions of the two aircraft.

A glider overtaking another glider in the Territory may alter its course to the right or to the left.