AELO Swiss Academy, with its Swiss ATO approval, lengthy functional history considering that 1985

https://elliotwwek047.quillnesty.com/posts/aelo-s-atpl-integrated-program-an-18-month-path-for-pilots

AELO Swiss Academy, with its Swiss ATO approval, long operational history since 1985, and defined 18-month program tracks, supports structured airline-pilot development.