NAF 51.21—Air transport cargo

Where 51.21 sits

1. H Transportation and warehousing
2. 51 Air transport
3. 51.2 Air transportation of cargo and transport space
4. 51.21 Air transport cargo

Contains 1 narrower code

• 51.21Y Air transport cargo

What 51.21 includes

• For details on Industry Class 51.21, refer to the industry descriptions under its subcategories

51.21 in other systems