Commonwealth Consolidated Regulations Commonwealth Consolidated Regulations(1) The operator of an aeroplane that requires a crew of more than 1 person must not allow it to engage in an application operation unless it is equipped with an intercom system that:
(a) can be used by all members of the crew; and
(b) includes headsets, whether or not built into a helmet, and microphones that are not of a handheld type.
(2) Subregulation (1) does not apply to the operation if:
(a) the use of any item of intercom equipment may adversely affect the safety of the operation; and
(b) another appropriate method of communication between the crew is arranged before the operation commences.
(3) A contravention of subregulation (1) is an offence of strict liability.