What is the CAE Rev 4 (Portugal) equivalent of SKD 2025 51100?

1 CAE Rev 4 subclasses match SKD 2025 51100: 51100. They share EU NACE class 5110 — Passenger air transport.

What EU NACE class does SKD 2025 51100 belong to?

EU NACE Rev 2.1 class 5110 — Passenger air transport.

Cross-border converter

SKD 2025 51100 → CAE Rev 4 equivalent (Portugal)

Slovenia's national activity classification (SKD 2025) shares its 4-digit backbone with the EU NACE Rev 2.1 standard. We use that backbone to surface the equivalent CAE Rev 4 subclass(es) used in Portugal.

Shared EU parent

51.10

Passenger air transport

This class includes: - scheduled air transport of passengers over regular routes - charter flights for passengers - sightseeing flights This class also includes: - rental of air transport equipment with an operator for the purpose of passenger transport This class excludes: - rental of air transport equipment without an operator, see 77.35 - air ambulances, see 86.92

SI · SKD 2025Source

51100

51.10 Passenger air transport

PT · CAE Rev 41 match

51100
Transportes aéreos de passageiros
Compreende o transporte aéreo de passageiros em voos regulares ou não.

↺ Reverse: PT 51100 → SI See all EU equivalents for SI 51100 SI 51100 → EU NACE New conversion

About this conversion

SKD 2025 is the activity classification used in Slovenia. CAE Rev 4 is the equivalent system in Portugal. Both are national implementations of EU NACE Rev 2.1, so any 5th-digit subclass in one system can be traced back to a shared 4-digit EU class — and from there, forward into the other country's subclasses.

This page is generated for the query "SKD 2025 51100 to CAE Rev 4" and stays in sync with our monthly Market Intelligence sync.