AELO Swiss Academy, with its Swiss ATO authorization, lengthy operational history considering that 1985

https://arthurkxkl123.quantlynix.com/posts/meet-the-instructors-active-airline-pilots-at-aelo-swiss-academy

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