Hi Dutch,
here is what I seen...
Exceptional
Copper plating - max speed 10%
Extra fireproof coating - structure, fire increase rate -20%
Extra fire buckets - crew, fire decrease rate 20%
Pellew's sights - (all decks) cannon dispersion per 100m, cannon dispersion vertical -15%
Mastercraft
Marines compliment - crew attack, defend, fire 16%, crew module base hp 11%, cannon reload time (all decks) 10%
Magazine armor - powder, module base hp 16%
Lightweight ropes and blocks - sail rising speed 16%, RHEA turn speed 16%
Optimized rudder - ship turning speed 12%, rudder halfturn time -12%
Fine
Extra pump - water pump bailing 12%
Makeshift barricades - crew defend 30%, attack -20%, deck1 (L&R) cannon reload time 10%
Improved magazine access - (all decks) cannon reload time -8%
Magazine armour - powder, module base hp 12%
Common
Extra hammocks - crew, module base hp 5%
Extra fire buckets - crew, fire decrease rate 8%
Pellew's sights - (all decks) cannon dispersion per 100m, cannon dispersion vertical -5%
Magazine armor - powder, module base hp 8%
Basic
Improved magazine access - (all decks) cannon reload time -2%
Steel toolbox - repair percent (armor, sail, generic) 4%, repair module time (armor, sail, generic) -4%
Extra fire buckets - crew, fire decrease rate 4%
Extra muskets and pistols - crew, crew fire, defend 4%
Extra hammocks - crew, module base hp 2%
Marines compliment- crew attack, defend, fire 4%, crew module base hp 2%, cannon reload time (all decks) 10%
Magazine armour - powder, module base hp 4%
Pellew's sights - (all decks) cannon dispersion per 100m, cannon dispersion vertical -2%
Powder monkeys (all decks) cannon reload time -2%
Extra stern planking - armor back, module base hp 4%
Optimized rudder - ship turning speed 3%, rudder halfturn time -3%
Optimized ballast - ship max roll angle -2%