Wärtsilä has signed a five year maintenance support agreement with Royal Caribbean Cruises Ltd. It is a joint co-operation between Wärtsilä and Royal Caribbean Cruises Ltd. and its operating companies Royal Caribbean International, Celebrity Cruises, and Azamara Club Cruises. The maintenance support agreement contains a wide range of services, including maintenance planning, spare parts logistics optimization, the development and testing of engine components, fuel consumption optimization, as well as an advisory service for overhauls and workshop services.