Originally Posted by
wilco77
Where can I find this information for the Australian regs
The AIP, the latest version of which can be found
HERE. The actual reference is
AIP ENR 1.7.4.1.1. Easiest way to find it is to CTRL-F "ENR 1.7 - 7". Make sure you have spaces either side of the hyphen. That'll take you to the right page in this version.