NAF 51—Air transport

Where 51 sits

1. H Transportation and warehousing
2. 51 Air transport

Contains 2 narrower codes

• 51.1 Air transportation of passengers
• 51.2 Air transportation of cargo and transport space

What 51 includes

• This division includes the transport, air, or space for passengers or goods.

What 51 excludes

• The spraying of crops, see 01.61Y
• The repair and maintenance of civil aircraft or aircraft engines, see 33.16Y
• The operation of airports, see 52.23Y
• Advertising air (into the sky, with a plane), see 73.11Y
• Aerial photography, see 74.20Y
• Monitoring civil air, see 80.09Y
• The aerial surveillance military, see 84.22Y
• This division does not include: - the spraying of crops, see 01.61Y - the repair and maintenance of civil aircraft or aircraft engines, see 33.16Y - the operation of airports, see 52.23Y - the advertising air (into the sky, with a plane), see 73.11Y - the aerial photography, see 74.20Y - monitoring civil air, see 80.09Y - the aerial surveillance military, see 84.22Y

51 in other systems