| 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 |