| English | eng-000 |
| National Association of Underwater Instructors | |
| Deutsch | deu-000 | National Association of Underwater Instructors |
| English | eng-000 | NAUI |
| français | fra-000 | National Association of Underwater Instructors |
| italiano | ita-000 | National Association of Underwater Instructors |
| 日本語 | jpn-000 | NAUI |
| Nederlands | nld-000 | National Association of Underwater Instructors |
| svenska | swe-000 | NAUI |