Commonwealth Numbered Regulations

1988 NO. 158 CIVIL AVIATION REGULATIONS - REG 163

163. (1) An aircraft shall not be operated on the ground in such manner as to
create a hazard to itself or to other aircraft, and, subject to subregulations
(2) and (3), shall not be operated in the air in closer proximity to another
aircraft than 600 metres horizontally and 500 feet vertically.

(2) Aircraft shall not fly in formation except by prearrangement and after
notification has been given to Air Traffic Control, and then only in V.M.C. by
day.

(3) The Authority may, in writing, specify circumstances in which an aircraft
may be operated in the air in closer proximity to another aircraft than 600
metres horizontally and 500 feet vertically.