Commonwealth Numbered Regulations

1988 NO. 158 CIVIL AVIATION REGULATIONS - REG 185

185. (1) Where control by the means referred to in regulation 184 is not
available, the appropriate visual signals prescribed by this Part may be used.

(2) Nothing in this regulation shall prevent any combination of radiotelephony
signals and visual signals being used at any aerodrome, but a visual signal
shall not be used in any case where it is possible to use radiotelephony.