4. Kedah (Malaysia) - $300 million
The Kedah-class offshore patrol vessels is based on the MEKO 100 design by Blohm + Voss. While their size and tonnage implies the Kedah-class ships to be corvettes, they are classified as offshore patrol vessels (OPVs) by the Royal Malaysian Navy, a category more common with law enforcement or coast guard vessels, not naval warships.
5. Knud Rasmussen (Denmark) - $50 million
The Knud Rasmussen-class is a class of offshore patrol vessel operating in the Royal Danish Navy.
The ships’ normal tasks include fisheries inspections, environment protection, search and rescue, sovereignty enforcement, icebreaker assignments, towage and salvage operations and general assistance to a government.