| Base and line maintenance: | Varna |
| Line maintenance: | Bourgas |
| Sofia | |
| Katowice (Pyrzowice) |
| Base and line maintenance: | Airbus ACJ318 |
| Airbus ACJ319 | |
| Airbus ACJ320 | |
| Airbus ACJ321 | |
| Boeing B-737 |
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| CFM56-5 Series (A) |
| CFM56-5B/CFM56-5C |
| IAE V2500-A1 |
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