| SECTION H : TRANAPORT AND STORAGE |
| Division 51 : Air transport |
| Group | Class | Sub-class | Description |
| 511 | | | Passenger air transport |
| | 5110 | | Passenger air transport |
| | | 51101 | Passenger airways |
| | | 51102 | Helicopter services |
| | | 51109 | Other passenger air-transport n.e.c |
| 512 | | | Freight air transport |
| | 5120 | | Freight air transport |
| | | 51201 | Freight air transport services |
| | | 51202 | Launching of satellites and space vehicles and space transport |