SW4
| Name | Designator | Engine Manufacturer |
|---|
| C-26 Metro | SW4 | FAIRCHILD (1) |
| RC-26 Metro | SW4 | FAIRCHILD (1) |
| SA-227AC Metro | SW4 | FAIRCHILD (1) |
| SA-227AT Expediter | SW4 | FAIRCHILD (1) |
| SA-227AT Merlin 4 | SW4 | FAIRCHILD (1) |
| SA-227BC Metro | SW4 | FAIRCHILD (1) |
| SA-227CC Metro | SW4 | FAIRCHILD (1) |
| SA-227DC Expediter | SW4 | FAIRCHILD (1) |
| SA-227DC Metro | SW4 | FAIRCHILD (1) |
| SA-227PC Metro | SW4 | FAIRCHILD (1) |
| UC-26 Merlin 4 | SW4 | FAIRCHILD (1) |
| SA-227DC Metro | SW4 | FAIRCHILD DORNIER |
| SA-226TC Metro | SW4 | FAIRCHILD SWEARINGEN |
| SA-227AC Metro | SW4 | FAIRCHILD SWEARINGEN |
| SA-227AT Expediter | SW4 | FAIRCHILD SWEARINGEN |
| SA-227AT Merlin 4 | SW4 | FAIRCHILD SWEARINGEN |
| SA-227PC Metro | SW4 | FAIRCHILD SWEARINGEN |
| SA-226AT Merlin 4 | SW4 | SWEARINGEN |
| SA-226TC Metro | SW4 | SWEARINGEN |