| ID | int(11) | Unique ch-aviation created country ID | Airports | Primary | | |
| Country ISO | char(2) | ISO 3166-1 Alpha-2 country code | Airports | Unique | | |
| Country Name | varchar(255) | Country name | Airports | | | |
| Continent | varchar(255) | Continent name | Airports | | | |
| Registration | varchar(255) | Aircraft registration prefix(es) for the country | Airports | | | |
| IASAWS | char(1) | Country International Aviation Safety Assessment program status (assigned by FAA): 0 – not assessed / 1 – Category 1 (meets ICAO standards) / 2 – Category 2 (does not meet ICAO standards) | Airports | | | |
| GDPR Country | char(3) | European Union country where GDPR regulations apply: Yes / No / (NULL) | Airports | | | |
