Frank S. Comments Favorites Listings 50′ Nielsen Yawl (1954) – TIOGA Tioga is a K. Aage Nielsen, 50’ CCA Yawl, originally 6 Comments 49′ Cold-Molded Schooner (1984) – SIR ISAAC Sir Isaac is a cold-molded schooner designed and built for 2 Comments Schattauer Sails Schattauer Sails has been serving sailors in the Pacific Northwest 2 Comments