CNAEClass
CNAE 52.23—Auxiliary activities of air transport
Class · Clasificación Nacional de Actividades Económicas (2025)
Where 52.23 sits
- H Transport and Storage
- 52 Warehousing, storage and auxiliary transport activities
- 52.2 Auxiliary transport activities
- 52.23 Auxiliary activities of air transport
What 52.23 includes
- Activities related to the air transport of passengers, animals or freight: • operation of terminal facilities (e.g. airway terminals) • airport and air traffic control activities • ground service activities on airfields, etc.
- Ensuring safety at airfield infrastructure maintenance work
- Storage of aircraft
- Firefighting and fire-prevention services at airports
What 52.23 excludes
- Cargo handling (see 52.24)
- Luggage and passenger inspection at airports, not by public authorities (see 80.01)
- Luggage and passenger inspection at airports, by public authorities (see 84.24)
- Operation of flying schools for professional pilots (see 85.32)
- Operation of flying schools not issuing certificates and permits for professionals (see 85.53)
52.23 in other systems
ANZSICAustralia · New Zealand
- 5220 Airport Operations and Other Air Transport Support Services approximate via ISIC 5223
- 4610 Road Freight Transport approximate via ISIC 5231
- 5211 Stevedoring Services approximate via ISIC 5231
- 5212 Port and Water Transport Terminal Operations approximate via ISIC 5232
- 5219 Other Water Transport Support Services approximate via ISIC 5231
- 5291 Customs Agency Services approximate via ISIC 5231
- 5292 Freight Forwarding Services approximate via ISIC 5231
- 5299 Other Transport Support Services n.e.c. approximate via ISIC 5232
ATECOItaly
- 52.23 Service activities incidental to air transportation exact via ISIC 52.23
- 52.23.00 Service activities incidental to air transportation approximate via ISIC 5223
- 52.21 Service activities incidental to land transportation approximate via ISIC 5232
- 52.22 Service activities incidental to water transportation approximate via ISIC 5232
- 52.31.00 Intermediation service activities for freight transportation approximate via ISIC 5231
- 52.32.00 Intermediation service activities for passenger transportation approximate via ISIC 5232
- 52.24 Cargo handling approximate via ISIC 5231
- 52.26 Other support activities for transportation approximate via ISIC 5232
CNAE BrazilBrazil
- 52.32-0 Maritime agency activities approximate via ISIC 5232
- 52.31-1 Port and terminal management approximate via ISIC 5231
- 52.23-1 Vehicle parking approximate via ISIC 5223
- 5223-1/00 Vehicle parking inferred via ISIC 5223
- 5240-1/99 Auxiliary activities related to air transport, excluding the operation of airports and landing fields inferred via ISIC 5223
- 5250-8/02 Activities of customs brokers inferred via ISIC 5223
- 5239-7/99 Auxiliary activities related to water transport not specified elsewhere inferred via ISIC 5232
- 5250-8/05 Multimodal transport operator - mto inferred via ISIC 5223
HSICHong Kong
- 5223 Service activities incidental to air transportation approximate via ISIC 5232
- 5229 Other transportation support activities approximate via ISIC 5232
- 5222 Service activities incidental to water transportation approximate via ISIC 5232
- 5221 Service activities incidental to land transportation approximate via ISIC 5232
- 522300 Service activities incidental to air transportation inferred via ISIC 5223
- 522999 Other miscellaneous transportation support activities n.e.c. inferred via ISIC 5232
- 522199 Service activities incidental to land transportation n.e.c. inferred via ISIC 5231
- 522299 Service activities incidental to water transportation n.e.c. inferred via ISIC 5232
ICNEAChina
- 5639 Other auxiliary air transport activities approximate via ISIC 5231
- 5539 Other auxiliary water transport activities approximate via ISIC 5232
- 5449 Other auxiliary road transport activities approximate via ISIC 5231
- 5339 Other auxiliary activities for railway transportation approximate via ISIC 5231
- 5333 Railway transportation maintenance activities approximate via ISIC 5231
- 5810 Multimodal transport approximate via ISIC 5231
- 5821 Cargo transportation agency approximate via ISIC 5232
- 5632 Air traffic management approximate via ISIC 5232
ISICUnited Nations (global)
- 5223 Service activities incidental to air transportation exact via ISIC 52.23
- 5231 Intermediation service activities for freight transportation approximate via ISIC 52.23
- 5232 Intermediation service activities for passenger transportation approximate via ISIC 52.23
JSICJapan
- 4831 Transport agencies approximate via ISIC 5232
- 4811 Port transport approximate via ISIC 5231
- 4852 Fixed facilities for road transport approximate via ISIC 5231
- 4822 Forwarding agency approximate via ISIC 5231
- 4841 Packing and crating, except assembly-type packing and crating principally for ocean transport approximate via ISIC 5232
- 4842 Assembly-type packing and crating principally for ocean transport approximate via ISIC 5231
- 4851 Railway facilities services approximate via ISIC 5231
- 4853 Terminal facilities for motor vehicles approximate via ISIC 5231
KSICSouth Korea
- 52939 Other service activities incidental to air transportation approximate via ISIC 5232
- 52911 Service activities incidental to rail transportation approximate via ISIC 5232
- 52919 Other service activities incidental to land transportation approximate via ISIC 5231
- 52929 Other service activities incidental to water transportation approximate via ISIC 5231
- 52993 Activities of cargo packing, checking and weighing services approximate via ISIC 5232
- 52992 Activities of freight forwarders and cargo agents and related services approximate via ISIC 5232
- 52991 Activities of customs agents and related services approximate via ISIC 5231
- 52941 Air and land cargo handling approximate via ISIC 5231
MSICMalaysia
- 5223 Service activities incidental to air transportation exact via ISIC 5223
- 52231 Operation of terminal facilities to air transportation approximate via ISIC 5223
- 52232 Airport and air-traffic-control activities approximate via ISIC 5223
- 52233 Ground service activities on airfields approximate via ISIC 5223
- 52234 Fire fighting and fire-prevention services at airports approximate via ISIC 5223
- 52239 Other service activities incidental to air transportation n.e.c. approximate via ISIC 5223
- 52310 Intermediation service activities for freight transportation approximate via ISIC 5231
- 52320 Intermediation service activities for passengers transportation approximate via ISIC 5232
NACEEuropean Union
- 52.23 Service activities incidental to air transportation exact
- 52.21 Service activities incidental to land transportation approximate via ISIC 5232
- 52.22 Service activities incidental to water transportation approximate via ISIC 5232
- 52.31 Intermediation service activities for freight transportation approximate via ISIC 5231
- 52.32 Intermediation service activities for passenger transportation approximate via ISIC 5232
- 52.24 Cargo handling approximate via ISIC 5231
- 52.26 Other support activities for transportation approximate via ISIC 5232
- 52.25 Logistics service activities approximate via ISIC 5231
NAFFrance
- 52.23 Services auxiliary to air transport exact via ISIC 52.23
- 52.23Y Services auxiliary to air transport approximate via ISIC 5223
- 52.21 Services auxiliary to land transportation approximate via ISIC 5232
- 52.22 Services auxiliary transport by water approximate via ISIC 5232
- 52.32Y Activities of intermediation service for the transportation of passengers approximate via ISIC 5232
- 52.31Y Activities of intermediation service for the transport of freight approximate via ISIC 5231
- 52.24 Cargo handling approximate via ISIC 5231
- 52.26 Other support activities for transportation approximate via ISIC 5232
NAICSUnited States
- 488111 Air Traffic Control approximate via ISIC 5223
- 488190 Other Support Activities for Air Transportation approximate via ISIC 5232
- 488210 Support Activities for Rail Transportation approximate via ISIC 5231
- 488999 All Other Support Activities for Transportation approximate via ISIC 5232
- 488490 Other Support Activities for Road Transportation approximate via ISIC 5232
- 488390 Other Support Activities for Water Transportation approximate via ISIC 5231
- 488510 Freight Transportation Arrangement approximate via ISIC 5232
- 485310 Taxi and Ridesharing Services approximate via ISIC 5231
NAICS CanadaCanada
- 488190 Other support activities for air transportation approximate via ISIC 5231
- 488210 Support activities for rail transportation approximate via ISIC 5231
- 488390 Other support activities for water transportation approximate via ISIC 5232
- 488490 Other support activities for road transportation approximate via ISIC 5231
- 488111 Air traffic control approximate via ISIC 5223
- 488310 Port and harbour operations approximate via ISIC 5232
- 485310 Taxi service approximate via ISIC 5232
- 488410 Motor vehicle towing approximate via ISIC 5231
NICIndia
- 5223 Service activities incidental to air transportation exact via ISIC 5223
- 522301 Operation of terminal facilities at airports approximate via ISIC 5223
- 522302 Airport and air-traffic-control activities approximate via ISIC 5223
- 522303 Ground services provided at airports, such as aircraft refueling, towing, parking, and boarding assistance of passengers, animals or freight approximate via ISIC 5223
- 522304 Maintenance work on airfield infrastructure such as runways, taxiways, and airport buildings. approximate via ISIC 5223
- 522305 Storage of aircraft in hangars or designated parking areas. approximate via ISIC 5223
- 522306 Firefighting and fire prevention services at airport approximate via ISIC 5223
- 522307 Maintenance work on Spacecraft Launch Pad and associated infrastructure approximate via ISIC 5223
NOGASwitzerland
- 5223 Service activities incidental to air transportation exact via ISIC 52.23
- 522300 Service activities incidental to air transportation approximate via ISIC 5223
- 5221 Service activities incidental to land transportation approximate via ISIC 5231
- 5222 Service activities incidental to water transportation approximate via ISIC 5231
- 523100 Intermediation service activities for freight transportation approximate via ISIC 5231
- 523200 Intermediation service activities for passenger transportation approximate via ISIC 5232
- 5224 Cargo handling approximate via ISIC 5231
- 5226 Other support activities for transportation approximate via ISIC 5232
PKDPoland
- 52.23 Service activities supporting air transport exact via ISIC 52.23
- 52.23.Z Service activities supporting air transport approximate via ISIC 5223
- 52.21 Service activities supporting land transport approximate via ISIC 5232
- 52.22 Service activities supporting water transport approximate via ISIC 5232
- 52.24 Transhipment of goods approximate via ISIC 5231
- 52.31.Z Intermediation in the transport of goods approximate via ISIC 5231
- 52.32.Z Intermediation in passenger transport approximate via ISIC 5232
- 52.26 Other service activities supporting transport approximate via ISIC 5231
SCIANMexico
- 488111 Air navigation services approximate via ISIC 5231
- 488190 Other services related to air transpor approximate via ISIC 5232
- 488210 Services related to rail transpor approximate via ISIC 5232
- 488310 Port and dock management approximate via ISIC 5231
- 488320 Loading and unloading services for water transpor approximate via ISIC 5231
- 488330 Services for water navigation approximate via ISIC 5232
- 488390 Other services related to water transpor approximate via ISIC 5232
- 488410 Crane services approximate via ISIC 5232
SICUnited States (legacy)
- 4783 Packing and Crating approximate via ISIC 5232
- 9621 Regulation, Administration Of Transportation approximate via ISIC 5231
- 4731 Freight Transportation Arrangement approximate via ISIC 5231
- 4729 Passenger Transportation Arrangement approximate via ISIC 5223
- 4491 Marine Cargo Handling approximate via ISIC 5232
- 4492 Towing and Tugboat Service approximate via ISIC 5231
- 4121 Taxicabs approximate via ISIC 5231
- 7521 Automobile Parking approximate via ISIC 5231
SNISweden
- 52.23 Service activities incidental to air transportation exact via ISIC 52.23
- 52.230 Service activities incidental to air transportation approximate via ISIC 5223
- 52.21 Service activities incidental to land transportation approximate via ISIC 5232
- 52.22 Service activities incidental to water transportation approximate via ISIC 5231
- 52.310 Intermediation service activities for freight transportation approximate via ISIC 5231
- 52.320 Intermediation service activities for passenger transportation approximate via ISIC 5232
- 52.24 Cargo handling approximate via ISIC 5231
- 52.26 Other support activities for transportation approximate via ISIC 5231
SSICSingapore
- 5225 Marine Surveying Services and Classification Societies inferred via ISIC 5223
- 52239 Supporting services to air transport n.e.c. inferred via ISIC 5223
- 52292 Freight transport arrangement inferred via ISIC 5223
- 52219 Supporting services to land transport n.e.c. inferred via ISIC 5223
- 52229 Supporting services to water transport n.e.c. inferred via ISIC 5223
- 52234 Airport terminal services inferred via ISIC 5223
- 52233 Airport operation services inferred via ISIC 5223
- 52231 Representative offices of foreign airlines inferred via ISIC 5223
UK SICUnited Kingdom
- 52.31 Intermediation service activities for freight transportation approximate via ISIC 5231
- 52.32 Intermediation service activities for passenger transportation approximate via ISIC 5232
- 52.21 Service activities incidental to land transportation approximate via ISIC 5232
- 52.22 Service activities incidental to water transportation approximate via ISIC 5232
- 52.24 Cargo handling approximate via ISIC 5231
- 52.26 Other support activities for transportation approximate via ISIC 5231
- 52.25 Logistics service activities approximate via ISIC 5232
- 52.23 Airports and service activities incidental to air transportation inferred via ISIC 5223
WZGermany
- 52.23 Service activities incidental to air transportation exact via ISIC 52.23
- 52.23.1 Operation of airports and airfields approximate via ISIC 5223
- 52.23.9 Service activities incidental to air transportation n.e.c. approximate via ISIC 5223
- 52.21 Service activities incidental to land transportation approximate via ISIC 5231
- 52.22 Service activities incidental to water transportation approximate via ISIC 5232
- 52.31.0 Intermediation service activities for freight transport approximate via ISIC 5231
- 52.32.0 Intermediation service activities for passenger transportation approximate via ISIC 5232
- 52.24 Cargo handling approximate via ISIC 5231
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