Aircraft Maintenance License (AML) requirements
An AML in categories B1.3 and B1.4 is required for the maintenance of helicopters above 5700kg maximum takeoff mass and for helicopters below 5700kg maximum takeoff mass used for professional purposes or fitted with more than one engine.

SR Technics helicopter training courses
We offer EASA Part 66 courses for helicopter technicians for:
•      Category B1.3
        Helicopter with Turbine Engine(s)
•      Category B1.4 
        Helicopter with Piston Engine(s)

Apprenticeships
SR Technics offers helicopter mechanic apprenticeships approved by the Swiss Federal Office for Civil Aviation.