The helicopter license consists of two parts: one general part and a type-specific part that must be obtained separately, per helicopter type. After getting your EASA PPL(H) or CPL(H) license, you can fly the type of helicopter you trained with. Should you wish to fly different types of helicopters after that, you will have to do an EASA type rating training. Each type of helicopter that you fly requires an annual exam (prof check).
Theoretical and practical
The type rating training consists of a theoretical and a practical part.
The theoretical part is specifically geared towards a particular type of helicopter. The practical part then contains 5 one-hour flying lessons (crediting available), followed by a practical exam (skill test).
After successfully completing the practical exam, you will receive a new license, to which the new type of vehicle has been added