Are the courses recognised by airports globally?

Yes – all OLC courses are endorsed by Airports Council International (ACI), the voice of the world’s airports, and recognised by airports globally.

https://olc.aero/FsdPyYPgK0EaHAYpNc7z8AT8ba3pfx0wjcivuPoeuXzf4Y44KpFo9gyzyFhYr1FM