HSIC 510—Air transport

Where 510 sits

1. H Transportation, storage, postal and courier services
2. 51 Air transport
3. 510 Air transport

Contains 3 narrower codes

• 5101 Hong Kong-based airline and helicopter companies
• 5102 Local representative offices of overseas airline companies
• 5109 Air transport services n.e.c.

What 510 includes

• Same as Industry Division 51.

510 in other systems