MHRT-ÖK, class river barge
- 1968-ÖK-8, Built, MAHART Tápé Shiprepair Yard1969-ÖK-9, Built, MAHART Tápé Shiprepair Yard1969-ÖK-2, Built, MAHART Tápé Shiprepair Yard1970-ÖK-10, Built, MAHART Tápé Shiprepair Yard1970-ÖK-11, Built, MAHART Tápé Shiprepair Yard