Commonwealth Consolidated Regulations Commonwealth Consolidated Regulations(1) The holder of a private instrument rating is authorised to pilot an aircraft of a particular category, other than a multi - engine aeroplane or multi - engine helicopter, under the IFR only if the holder:
(a) has successfully completed a flight review for the rating in an aircraft of the same category or an approved flight simulator for the flight review within the previous 24 months; or
(b) has passed a flight test for the rating in an aircraft of the same category or an approved flight simulator for the flight test within the previous 24 months; or
(c) has passed a flight test for the grant of a private instrument endorsement in an aircraft of the same category or an approved flight simulator for the flight test:
(i) within the previous 24 months; but
(ii) more than 6 months after passing the flight test for the rating; or
(d) has successfully completed an instrument proficiency check in an aircraft of the same category within the previous 24 months.
(2) The holder of a private instrument rating is authorised to pilot a multi - engine aeroplane under the IFR only if the holder:
(a) has successfully completed a flight review for the rating in a multi - engine aeroplane or an approved flight simulator for the flight review within the previous 24 months; or
(b) has passed a flight test for the rating in a multi - engine aeroplane or an approved flight simulator for the flight test within the previous 24 months; or
(c) has passed a flight test for the grant of a private instrument endorsement in a multi - engine aeroplane or an approved flight simulator for the flight test:
(i) within the previous 24 months; but
(ii) more than 6 months after passing the flight test for the rating; or
(d) has successfully completed an instrument proficiency check in a multi - engine aeroplane within the previous 24 months.
(3) The holder of a private instrument rating is authorised to pilot a multi - engine helicopter under the IFR only if the holder:
(a) has successfully completed a flight review for the rating in a multi - engine helicopter or an approved flight simulator for the flight review within the previous 24 months; or
(b) has passed a flight test for the rating in a multi - engine helicopter or an approved flight simulator for the flight test within the previous 24 months; or
(c) has passed a flight test for the grant of a private instrument endorsement in a multi - engine helicopter or an approved flight simulator for the flight test:
(i) within the previous 24 months; but
(ii) more than 6 months after passing the flight test for the rating; or
(d) has successfully completed an instrument proficiency check in a multi - engine helicopter within the previous 24 months.
Note: For general rules in relation to flight reviews, see regulation 61.400.