openswissdata
NOGA 51 Air transport
Activity from the Swiss General Classification of Economic Activities (NOGA 2025), published by the Federal Statistical Office (FSO). The full dataset (NACE 2.1 + ISIC 4 cross-walks) is included in Classifications (399 CHF).
51Multilingual description
NOGA 2025 provides the official designation in the four languages used by the Swiss federal authorities, alongside their European equivalents.
| Language | Designation |
|---|---|
| Français (fr) | Transports aériens |
| Deutsch (de) | Luftfahrt |
| Italiano (it) | Trasporto aereo |
| English (en) | Air transport |
NOGA hierarchy
The NOGA code 51 sits within the following hierarchy (from broadest to most specific).
Direct sub-levels
This code breaks down into 2 more specific sub-levels.
Official cross-walks
Equivalence of NOGA code 51 in the European (NACE) and international (ISIC) standards, from the official FSO and Eurostat tables.
| Standard | Code | Designation | Type |
|---|---|---|---|
| NACE Rev 2.1 | 51 | 51 Air transport | exact |
| NACE Rev 2.0 | 51 | Air transport | exact |
| ISIC Rev 4 | 51 | Air transport | exact |
| NOGA 2008 | 51 | Transports aériens | exact |
Type exact = strict 1:1 equivalence. partial = partial overlap. multi = one source code maps to several target codes.
Neighbouring codes
NOGA codes close to 51, within the same parent group or at the same hierarchical level.
| Code | Level | Designation |
|---|---|---|
| 49 | division | Land transport and transport via pipelines |
| 50 | division | Water transport |
| 52 | division | Warehousing, storage and support activities for transportation |
| 53 | division | Postal and courier activities |
| 47 | division | Retail trade |
| 55 | division | Accommodation |
| 46 | division | Wholesale trade |
| 56 | division | Food and beverage service activities |
Activity examples
Company profiles typically classified under NOGA code 51.
A company whose main activity falls under "Air transport" is classified under NOGA code 51.
This category covers all companies whose main economic activity matches this description, whatever their size: sole traders, SMEs, large companies, branches and Swiss establishments.
The code is assigned on the principle of the main economic activity: if an entity has several activities, the one generating the most value added determines the classification.
How this code is used
NOGA code 51 is used by the Swiss federal authorities to classify companies by their main economic activity, notably:
- Federal Statistical Office (FSO): business and establishment register (BER), censuses and structural statistics.
- OASI compensation funds: classification of the employer's activity at registration.
- Federal Tax Administration (FTA): VAT profiling, net tax debt rates and sector statistics.
- Commercial register: "activities" field when registering a new legal entity.
- SUVA and accident-insurance funds: pricing of accident-insurance contributions by risk class.
- SECO and labour-market statistics: sector analyses and targeted support measures.
Official source
This page reproduces information from the NOGA 2025 standard published by the Federal Statistical Office. For the official version:
bfs.admin.ch — NOGA — General Classification of Economic Activities
Complete dataset
Need the full dataset (1,845 NOGA 2025 codes + 5 aligned classifications + 5-way cross-walks) for your systems?
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