pieces to cover holes from collision (including blown in ports
and ripped off companionway hatch). Underwater curing epoxy
. Foam rubber balls of different sizes to put in holes. Long coarse thread self tapping screws. Strong battery
powered drill driver for screws. Collision mat
Stainless (or galvanized) wire and wire clamps for longest stay. Spare spreader and spreader parts
to climb mast
. Absolutely secure halyard
shackles. Stopper knots in bitter end of halyards and sheets
sewn with whipping twine so they can not come out without using knife.
Wear a harness and carry a knife at all times
Lots of chafing gear
Expensive but worth it: Complete spare autopilot
Three ways to generate electricity (could be three separate solar
Besides the normal in first aid kit - a hemostatic clotting agent or bandage like Quikclot to stop severe bleeding.
Emergency drinking water
Instead of more flares I'd get a battery
powered Laser Flare for night and for day orange smoke and a long floating distress
streamer that floats behind the boat and is visible from the air.
Two waterproof handheld VFH radios
Also get a 2nd EPIRB
(an inexpensive PLB is fine) in case the first fails.
Three anchors and ground tackle. (I realize this is a weight challenge on your boat)
Reinforce bow cleats
Have person knowledgeable with cat design inspect all cross beam connections and consider any possible reinforcement. Inspect rudder
gudgeons/pintles. Replace and/or reinforce.