Rigid Inflatable Boat Ribeye A811 vs YT811 Karel Overlaet, RIB Advocate On this episode, the team were graced with stunning weather conditions in Dartmouth whilst testing two different RIBs 811s alongside one another: the Ribeye A811 vs YT811. Others Also Read...New Ribeye Delivery with Owen Farrell and David FlatmanRibeye A683 Custom RIB with Yamaha 250 V6Exclusive: Discover the Making of GEMINI WR880 12 StepsFully-Loaded Custom A811 Ribeye