Compare official labels, inclusions, exclusions, examples, hierarchy, mappings, and practical fit notes.
Use this class for passenger air transport when the main activity includes Scheduled air transport of passengers over regular routes and Charter flights for passengers. Check exclusions and nearby codes before applying it to a mixed activity.
Use this class for rental and leasing of air transport equipment when the main activity includes Rental and operating leasing of air transport equipment without an operator: and Airplanes. Check exclusions and nearby codes before applying it to a mixed activity.
Use this class for patient transportation by ambulance when the main activity includes Specialised transport of patients, accompanied by paramedics and Primary care given by a paramedic or a doctor during the patient’s transport by ambulance. Check exclusions and nearby codes before applying it to a mixed activity.
Use this group for the broader activity area of passenger air transport, including Passenger air transport. Open the child codes when a more specific code is needed.
These codes do not share a visible parent branch.
A short checklist before choosing one code over another.
These codes do not share a visible parent branch, so compare the main activity and official exclusions carefully.
51.10, 51.1 already list another compared code as related or often confused.
51.10, 77.35, 86.92 include official exclusions that may point to a better-fitting code.
86.92 have non-exact Rev. 2 to Rev. 2.1 mappings; review old records before migration.
| Comparison field | 51.10 | 77.35 | 86.92 | 51.1 |
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| Official title | Passenger air transport | Rental and leasing of air transport equipment | Patient transportation by ambulance | Passenger air transport |
| Plain-language summary | Use this class for passenger air transport when the main activity includes Scheduled air transport of passengers over regular routes and Charter flights for passengers. Check exclusions and nearby codes before applying it to a mixed activity. | Use this class for rental and leasing of air transport equipment when the main activity includes Rental and operating leasing of air transport equipment without an operator: and Airplanes. Check exclusions and nearby codes before applying it to a mixed activity. | Use this class for patient transportation by ambulance when the main activity includes Specialised transport of patients, accompanied by paramedics and Primary care given by a paramedic or a doctor during the patient’s transport by ambulance. Check exclusions and nearby codes before applying it to a mixed activity. | Use this group for the broader activity area of passenger air transport, including Passenger air transport. Open the child codes when a more specific code is needed. |
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| Parent hierarchy | H TRANSPORTATION AND STORAGE > 51 Air transport > 51.1 Passenger air transport > 51.10 Passenger air transport | O ADMINISTRATIVE AND SUPPORT SERVICE ACTIVITIES > 77 Rental and leasing activities > 77.3 Rental and leasing of other machinery, equipment and tangible goods > 77.35 Rental and leasing of air transport equipment | R HUMAN HEALTH AND SOCIAL WORK ACTIVITIES > 86 Human health activities > 86.9 Other human health activities > 86.92 Patient transportation by ambulance | H TRANSPORTATION AND STORAGE > 51 Air transport > 51.1 Passenger air transport |
| Rev. 2 mapping |
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