Are the courses recognised by airports globally?

Yes – all CAOC courses are accredited by Airports Council International (ACI), the world association of airports, and recognised by airports globally.

https://caoc.aero/IT8PRrUUnG0Fsn8o6S1GX0K1KC7a8NELA6y7x1wRyJaeNwLPT4FsLX2niFIUN1TH