needs fixed - before 19xx, Canadian aircraft used British designations (see British Military Aircraft Designations).
needs fixed - now matches U.S. system - some exceptions used old U.S. system, some used British Mark system (see complete listing).
The first letter of the designation is always C, indicating a Canadian aircraft. The second (and in one case, third) letters of the designation indicates the aircraft's primary mission.
| A | - Attack? | - never used |
| B | - Bomber? | - never used |
| C | - Cargo Transport | |
| E | - Electronic Warfare | |
| F | - Fighter | |
| H | - Helicopter | |
| K | - Tanker? | - never used |
| O | - Observation | - discontinued |
| P | - Patrol | |
| R | - Reconaissance? | - never used |
| S | - Antisubmarine? | - never used |
| SR | - Search and Rescue | - discontinued |
| T | - Trainer | |
| U | - Utility? | - never used |
| V | - Vertical Takeoff and Landing? | - never used |
| X | - Experimental |