| CAAT-AD-34/2540-CN | CANCELLED: To Ensure the Integrity of Slick Magneto | Slick magneto | CAAT |
| CAAT-AD-35/2538-CN | CANCELLED: Time between overhaul all McCauley & Hartzell variable pitch propellers | All McCauley & Hartzell variable pitch propellers | CAAT |
| CAAT-AD-36/2538 R1-CN | CANCELLED: Overhaul and In-Service Maintenance Requirements for Aircraft Piston Engines and Accessories | All Aircraft Piston Engines and Accessories | CAAT |
| CAAT-AD-38-2540-CN | CANCELLED: Inoperative Instrument and Equipement | All aircraft Type | CAAT |
| CAAT-AD-133/2538-CN | CANCELLED: To ensure the integrity and accuracy of altimeters, airspeed indicaters, pilot and static systems, ATC transponders, compass systems and fuel quantity guages installed in aircraft | All aircraft Type | CAAT |
| CAAT-AD-143/2539 R1-CN | CANCELLED: To ensure the Continuing of Airworthiness of Aircraft | All aircraft Type | CAAT |
