The third-generation newbuildings from AAL will see a total of eight Super B-Class vessels join the fleet, following the order of two additional vessels in May.
Steerprop's fit-for-purpose propulsion system will help to maintain environmental performance and provide the manoeuvrability needed for operations in and around deeper offshore power projects.
The tests at Yuchai Marine Power Co (YCMP) confirmed the engine's performance and compliance, while the prototype project validated its ease of assembly and maintenance.