Originally Posted by
Lead Balloon
Under the Australian rules, isn’t the operator obliged to nominate one, and one only, person to be the PIC of an aircraft for a flight? If yes, how can someone else be PIC during that flight while the nominated person is using in the amenities (or sleeping)?
121.535 provides for relief of the PIC, but it doesn’t explain how an FO or SO without an ATPL can be left in charge.