Additional Ballast Ballast | All ships | Heel (max roll angle) −20%Deceleration −15% | Crafted, Loot |
| All ships | Pump HP +30%Pump bailing +15%Leaking −5% | Loot | |
Almeria Gunpowder Ammunition | All ships | Penetration +2.75% | Crafted, Loot |
Almeria Superior Gunpowder Ammunition | All ships | Penetration +4% | Crafted |
Apprentice Carpenters Crew repairs | All ships | Armour repair time −1%Hull repair amount +1%Sail repair time −1%Sail repair amount +1%Rudder repair time −1%Repair amount +1%Pump repair time −1%Magazine repair time −1% | Loot |
Barbary Coast Boarders Crew boarding | All ships | Boarding preparation per round +2Boarding attack (axes) +3.5%Boarding defence +2% | Loot |
Basic Ballast Relay Ballast | All ships | Heel (max roll angle) −5% | Loot |
| All ships | Hull repair amount +1%Sail repair amount +1%Repair amount +1%Crew needed for sail repairs +0.3%Crew needed for hull repairs +0.3% | Loot | |
Basic Grenades Grenades | All ships | Grenades +5%Fire spread +5%Magazine explosion radius +5% | Loot |
Basic Hooks Ladders | All ships | Boarding ladder penalty reduction +6.5%Boarding attack +2% | Loot |
Basic Hull Refit Frame | All ships | Armour HP +3% | Loot |
Basic Ladders Ladders | All ships | Boarding ladder penalty reduction +3%Crew transfer speed +1 | Loot |
Basic Light Rudder Rudder | All ships | Rudder half-turn time −7.5% | Loot |
Basic Quadrant Navigation | All ships | Max speed +2% | Loot |
Basic Strong Sail Sail upgrades | All ships | Sail HP +10% | Loot |
Basic Surgeon's Chest Surgery | All ships | Crew casualty reduction +3%Morale (rations) +4 | Loot |
Basic Swivel Guns Swivels | All ships | Deck gun accuracy +3% | Loot |
Basic Tackles Refit Carriages | All ships | Reload time −3% | Loot |
Basic Weighted Gunpowder Ammunition | All ships | Penetration +2.25% | Loot |
Blunderbuss Firearms | All ships | Musket accuracy +20%Crew with muskets +10% | Loot |
Boarding Axes Melee weapons | All ships | Boarding attack (axes) +1.5%Disengage time −2 s | Loot |
Boarding Pike Melee weapons | All ships | Boarding attack (axes) +1.5%Boarding defence +1.5%Disengage time −1 s | Loot |
Bovenwinds Refit Rig refits | All ships | Turning with the yards +5%Max speed +1.7%Sailing crew needed +7% | Crafted, Loot |
Bow figure - Elephant Bow Figure | All ships | Armour HP +5%Max speed −2.5% | Admiralty |
Bow figure - Gazelle Bow Figure | All ships | Max speed +1%Sailing crew needed +3.5% | Admiralty |
Bow figure - Hydra Bow Figure | 6th–7th rates | Ship master repair count add modifier +1 | Admiralty |
Bow figure - Hydra Bow Figure | 1st–3rd rates | Ship master repair count add modifier +1 | Admiralty |
Bow figure - Hydra Bow Figure | 4th–5th rates | Ship master repair count add modifier +1 | Admiralty |
Bow figure - Katherine Bow Figure | All ships | Turn rate +2.5% | Admiralty |
Bow figure - Lion Bow Figure | All ships | Reload time −2.75% | Admiralty |
Bow figure - Phoenix Bow Figure | All ships | Chance to start fires +10%Fire spread +10%Magazine explosion radius +10% | Admiralty |
Bow figure - Rattlesnake Bow Figure | All ships | Penetration +2% | Admiralty |
Bow figure - Thor Bow Figure | All ships | Hole damage reduction +5%Ramming damage reduction +5%Leaking −10%Pump bailing +5% | Admiralty |
Bow figure - Whale Bow Figure | All ships | Pump bailing +10% | Admiralty |
Brandy Ration Alcohol rations | All ships | Crew transfer speed +4Morale (rations) +5Crew needed for sail repairs −2.5%Crew needed for hull repairs −2.5% | Loot |
Breech-Loading Swivel Gun Swivels | All ships | Deck gun accuracy +9% | Loot |
Bridgetown Frame Refit Hull speed refit | All ships | Armour HP +7%Max speed −2% | Crafted, Loot |
British Gunners Crew gunnery | All ships | Reload time −5.5%Gun crew needed −5% | Crafted, Loot |
British Gunnery Sergeant Crew gunnery | All ships | Reload time −8%Horizontal dispersion −5%Gun crew needed −8% | Crafted, Loot |
British Rig Refit Rig refits | All ships | Turn rate +4%Sail lowering speed +5%Yard rotation speed +6%Sailing crew needed −5% | Crafted, Loot |
Brown Bess Firearms | All ships | Musket accuracy +10%Crew with muskets +10% | Loot |
Cartagena Caulking Refit Planking | All ships | Armour thickness +9%Leaking −10%Mast thickness +5% | Crafted, Loot |
Ceramic Grenades Grenades | All ships | Grenades +12.5%Fire spread +5%Magazine explosion radius +5% | Loot |
Chain Ration Ammunition | All ships | Extra chain shot +2 | Loot |
Coles-Bentinck Pump Pumps | All ships | Pump HP +70%Pump bailing +15%Leaking −10% | Loot |
Congreve's Sight Sights | All ships | Horizontal dispersion −5.5%Vertical dispersion −5.5% | Loot |
Copper Plating Plating | All ships | Max speed +3.3%Deceleration −10% | Crafted, Loot |
Cotton Sails Sail upgrades | All ships | Sail HP −5%Max speed +1.7%Sail lowering speed +10%Yard rotation speed +8% | Crafted |
Crooked Hull Refit Hull speed refit | All ships | Armour HP −2%Max speed +1.75% | Crafted, Loot |
Cutlass Melee weapons | All ships | Boarding attack (axes) +2.5% | Loot |