Key facts
Code summary
Code 51
Official title Air Transport
Version PSIC 2019
Source layer PSA / BSP
Section H - Transportation and Storage
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PSIC 2019 Navigation-first hub Division 51 - Air Transport
PSIC Division 51 covers Air Transport. Child codes include Passenger air transport and Freight air transport. It is the shortlist layer for broad activities that still need to be narrowed toward a practical group, class...
Next step
Child codes
These are the next codes most users should open after this hub page.
Nearby codes
About this level
Practical summary
Division 51 sits in the PSIC 2019 hierarchy under H Transportation and Storage. This division collects tightly related groups, with child examples such as Passenger air transport and Freight air transport. It is the main bridge between a broad sector label and the more precise groups below it.
Administrative context
Where this code is used
This division is used when the first pass is too broad and the work needs to be split into groups such as Passenger air transport and Freight air transport. It helps with registration wording, sector analytics and review of near-miss options.
Selection note
How to choose it
Use this division as the first narrowing step. Compare child groups such as Passenger air transport and Freight air transport and move to the group that best matches the real activity, not the marketing description.
Official note
Source-backed description
This division includes the transport of passengers or freight by air or via space. This division excludes: Overhaul of aircraft or aircraft engines, see class 3315; Support activities, such as the operation of airports, see class 5223; Activities that make use of aircraft, but not for the purpose of transportation, such as crop spraying, see class 015, aerial advertising, see class 7310 or aerial photography, see class 7420.
FAQ
What does PSIC Division 51 cover?
PSIC Division 51 groups the main activity family for Air Transport and acts as the first narrowing step below the section level.
How do I compare Division 51 with nearby divisions?
Read the child groups side by side and compare the exact operational wording. The closest neighboring options are 49 Land Transport and Transport Via Pipelines and 50 Water Transport.
Why does Division 51 matter for filing?
It is the level that helps you narrow a broad section into the right group before you reach a class or subclass decision.