| Code | Description |
|---|---|
| 621 | Serveis de transport aeri regular |
| 622 | Serveis no regulars de transport aeri |
| 623 | Serveis de transport espacial |
| Code | Description |
|---|---|
| 621 | Serveis de transport aeri regular |
| 622 | Serveis no regulars de transport aeri |
| 623 | Serveis de transport espacial |