Halyards
I also have a 89 Catalina 30 TRBS and have replaced all rigging a few years back. I did not have any cable/rope halyards, and the specs never called for that as I recall. I have replaced my sheaves, just for PM a few years back. Here are the specs: Main Halyard 112' 3/8", Jib Halyard 116' 3/8", Main Sheet 72' 7/16", Genoa sheet 80' 7/16", Jib Sheet 70' 7/16", Topping Lift 7 x 19, 1/8 x 32', Topping Lift Tail 5/16" x 20'. If you are going to replace the Sheaves contact Garhauer. If you want further information or other specs feel free to contact me off line at jaffew@welchallyn.com