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PKDDivision

PKD 51—Air transport

Division · Polska Klasyfikacja Działalności (2025)

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Where 51 sits

H Transport and Storage Management
51 Air transport

Contains 2 narrower codes

What 51 includes

This division covers the air and space transportation of passengers and cargo.

What 51 excludes

Crop spraying, classified in 01.61.Z,
Repair and maintenance of civil aircraft and aircraft engines, classified in 33.16.Z,
Airport operations, classified in 52.23.Z,
Aerial advertising (aircraft signs), classified in 73.11.Z,
Aerial photography, classified in 74.20.Z,
Civil air surveillance, classified in 80.09.Z,
Military air surveillance, classified in 84.22.Z.

51 in other systems

ANZSICAustralia · New Zealand

49 Air and Space Transport approximate via ISIC 51
52 Transport Support Services approximate via ISIC 51
50 Other Transport approximate via ISIC 51
4900 Air and Space Transport inferred via ISIC 51
5010 Scenic and Sightseeing Transport inferred via ISIC 51
5299 Other Transport Support Services n.e.c. inferred via ISIC 51
490 Air and space transport broader via ISIC 51
501 Scenic and sightseeing transport broader via ISIC 51

ATECOItaly

51 Air transport exact via ISIC 51
51.21.00 Freight air transport inferred via ISIC 51
51.22.00 Space transport inferred via ISIC 51
51.10.10 Scheduled air transport of passengers inferred via ISIC 51
51.10.20 Non-scheduled air transport of passengers inferred via ISIC 51
51.1 Passenger air transport broader via ISIC 51
51.10 Passenger air transport broader via ISIC 51
51.2 Freight air transport and space transport broader via ISIC 51

CNAE BrazilBrazil

51 Air transport exact via ISIC 51
5111-1/00 Scheduled passenger air transport inferred via ISIC 51
5130-7/00 Space transportation inferred via ISIC 51
5112-9/99 Other non-scheduled passenger air transport services inferred via ISIC 51
5120-0/00 Air cargo transport inferred via ISIC 51
5112-9/01 Air taxi service and aircraft rental with crew inferred via ISIC 51
51.1 Air passenger transport broader via ISIC 51
51.3 Space transport broader via ISIC 51

CNAESpain

51 Air transport exact via ISIC 51
51.10 Air passenger transport inferred via ISIC 51
51.22 Space transportation inferred via ISIC 51
51.21 Air freight inferred via ISIC 51
51.1 Air passenger transport broader via ISIC 51
51.2 Air freight and space transport broader via ISIC 51

HSICHong Kong

4928 Transport by tractors inferred via ISIC 51
510900 Air transport services n.e.c. inferred via ISIC 51
4927 Freight transport by road (excl. tractors) inferred via ISIC 51
491000 Railway and cable transport inferred via ISIC 51
499000 Other land transport services inferred via ISIC 51
51 Air transport broader via ISIC 51
510 Air transport broader via ISIC 51
H Transportation, storage, postal and courier services broader via ISIC 51

ICNEAChina

56 Air transport industry approximate via ISIC 51
5611 Air passenger transport inferred via ISIC 51
5612 Air cargo transportation inferred via ISIC 51
5621 General aviation production services inferred via ISIC 51
561 Air passenger and cargo transportation broader via ISIC 51
562 General aviation services broader via ISIC 51

ISICUnited Nations (global)

51 Air transport exact
5120 Freight air transport inferred via ISIC 51
5110 Passenger air transport inferred via ISIC 51
512 Freight air transport broader via ISIC 51
511 Passenger air transport broader via ISIC 51

JSICJapan

46 Air transport approximate via ISIC 51
4611 Air transport inferred via ISIC 51
461 Air transport broader via ISIC 51

KSICSouth Korea

51 Air transport exact via ISIC 51
51200 Freight air transport inferred via ISIC 51
51100 Passenger air transport inferred via ISIC 51
512 Freight air transport broader via ISIC 51
5120 Freight air transport broader via ISIC 51
511 Passenger air transport broader via ISIC 51
5110 Passenger air transport broader via ISIC 51

MSICMalaysia

51 Air transport exact via ISIC 51
51202 Non-scheduled transport of freight by air inferred via ISIC 51
51102 Non-scheduled transport of passenger by air inferred via ISIC 51
51204 Transport freight by Unmanned Air System (UAS-Drones) inferred via ISIC 51
51104 Transport of passengers by Unmanned Air System (UAS-Drones) inferred via ISIC 51
51201 Transport freight by air over regular routes and on regular schedules inferred via ISIC 51
51101 Transport of passengers by air over regular routes and on regular schedules inferred via ISIC 51
51203 Renting of air-transport equipment with operator for the purpose of freight transportation inferred via ISIC 51

NACEEuropean Union

51 Air transport exact
51.10 Passenger air transport inferred via ISIC 51
51.21 Freight air transport inferred via ISIC 51
51.22 Space transport inferred via ISIC 51
51.1 Passenger air transport broader via ISIC 51
51.2 Freight air transport and space transport broader via ISIC 51

NAFFrance

51 Air transport exact via ISIC 51
51.21Y Air transport cargo inferred via ISIC 51
51.10Y Air transportation of passengers inferred via ISIC 51
51.22Y Space transportation inferred via ISIC 51
51.21 Air transport cargo broader via ISIC 51
51.1 Air transportation of passengers broader via ISIC 51
51.10 Air transportation of passengers broader via ISIC 51
51.2 Air transportation of cargo and transport space broader via ISIC 51

NAICSUnited States

481 Air Transportation approximate via ISIC 51
487 Scenic and Sightseeing Transportation approximate via ISIC 51
927 Space Research and Technology approximate via ISIC 51
481112 Scheduled Freight Air Transportation inferred via ISIC 51
481219 Other Nonscheduled Air Transportation inferred via ISIC 51
481111 Scheduled Passenger Air Transportation inferred via ISIC 51
481212 Nonscheduled Chartered Freight Air Transportation inferred via ISIC 51
481211 Nonscheduled Chartered Passenger Air Transportation inferred via ISIC 51

NAICS CanadaCanada

487 Scenic and sightseeing transportation approximate via ISIC 51
487990 Scenic and sightseeing transportation, other inferred via ISIC 51
481110 Scheduled air transportation inferred via ISIC 51
481214 Non-scheduled chartered air transportation inferred via ISIC 51
481215 Non-scheduled specialty flying services inferred via ISIC 51
481 Air transportation broader via ISIC 51
4811 Scheduled air transportation broader via ISIC 51
4812 Non-scheduled air transportation broader via ISIC 51

NICIndia

51 Air Transport exact via ISIC 51
512001 Freight air transport services inferred via ISIC 51
511099 Operation of Passenger air transport n.e.c. Including space tourism inferred via ISIC 51
511001 Operation of scheduled air transportation of passengers over regular routes inferred via ISIC 51
511004 Rental of air transport equipment with operator for the purpose of passenger transportation inferred via ISIC 51
512002 Launching of space craft, satellites and space vehicles and space transport inferred via ISIC 51
511002 Operation of charter flights for passengers inferred via ISIC 51
511003 Helicopter services inferred via ISIC 51

NOGASwitzerland

51 Air transport exact via ISIC 51
512100 Freight air transport inferred via ISIC 51
511000 Passenger air transport inferred via ISIC 51
512200 Space transport inferred via ISIC 51
511 Passenger air transport broader via ISIC 51
5110 Passenger air transport broader via ISIC 51
512 Freight air transport and space transport broader via ISIC 51
5121 Freight air transport broader via ISIC 51

SCIANMexico

481 Air transport approximate via ISIC 51
487 Tourist transport approximate via ISIC 51
481112 Scheduled air transport on foreign airlines inferred via ISIC 51
481111 Scheduled air transport on national airlines inferred via ISIC 51
487990 Other tourist transpor inferred via ISIC 51
481210 Non-scheduled air transpor inferred via ISIC 51
4811 Scheduled air transport broader via ISIC 51
4879 Other tourist transport broader via ISIC 51

SICUnited States (legacy)

45 Transportation By Air approximate via ISIC 51
79 Amusement and Recreation Services approximate via ISIC 51
73 Business Services approximate via ISIC 51
96 Administration Of Economic Programs approximate via ISIC 51
4512 Air Transportation, Scheduled inferred via ISIC 51
4522 Air Transportation, Nonscheduled inferred via ISIC 51
7997 Membership Sports and Recreation Clubs inferred via ISIC 51
9661 Space Research and Technology inferred via ISIC 51

SNISweden

51 Air transport exact via ISIC 51
51.220 Space transport inferred via ISIC 51
51.211 Scheduled freight air transport inferred via ISIC 51
51.101 Scheduled passenger air transport inferred via ISIC 51
51.212 Non-scheduled freight air transport inferred via ISIC 51
51.102 Non-scheduled passenger air transport inferred via ISIC 51
51.1 Passenger air transport broader via ISIC 51
51.10 Passenger air transport broader via ISIC 51

SSICSingapore

51 Air transport exact via ISIC 51
51002 Airlines (freight) inferred via ISIC 51
51001 Airlines (passenger) inferred via ISIC 51
51004 Branches of foreign airlines (freight) inferred via ISIC 51
51003 Branches of foreign airlines (passenger) inferred via ISIC 51
51005 Aircraft chartering with operator inferred via ISIC 51
510 Air transport broader via ISIC 51
5100 Air Transport broader via ISIC 51

UK SICUnited Kingdom

51 Air transport exact via ISIC 51
51.21 Freight air transport inferred via ISIC 51
51.22 Space transport inferred via ISIC 51
51.101 Scheduled passenger air transport inferred via ISIC 51
51.102 Non-scheduled passenger air transport inferred via ISIC 51
51.1 Passenger air transport broader via ISIC 51
51.10 Passenger air transport broader via ISIC 51
51.2 Freight air transport and space transport broader via ISIC 51

WZGermany

51 Air transport exact via ISIC 51
51.21.0 Freight air transport inferred via ISIC 51
51.10.0 Passenger air transport inferred via ISIC 51
51.22.0 Space transport inferred via ISIC 51
51.1 Passenger air transport broader via ISIC 51
51.10 Passenger air transport broader via ISIC 51
51.2 Freight air transport and space transport broader via ISIC 51
51.21 Freight air transport broader via ISIC 51

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