52.22 Aircraft Maintenance

52.22.2 State the inspection period for radios. CAR 91

(e) Except as provided in paragraph (f) and rule 91.611, the operator of an aircraft must not operate the aircraft unless—

(1) every aircraft radio station that is required to be installed in the aircraft under Subpart F for operations under IFR has been tested and inspected under Part 43, Appendix B within the preceding 24 months; and

52.22.4 State the inspection period for altimeters. CAR 91

(2) every static pressure system, altimeter instrument, or automatic pressure altitude reporting system that is required to be installed in the aircraft under Subpart F, or required for a surveillance transponder installed in the aircraft, has been tested and inspected under Part 43, Appendix D—