Balanced Mast I (Required:Brigand 1)

Boatswain's Call I (Required:Buccaneer 1)

Chains Locker I (Required:Marauder 1)

Double-planked Hull I (Required:Corsair 1)

Flag Painting Station I (Required:Corsair 1)

Gunpowder Bench I (Required:Brigand 1)

Joinery Workshop I (Required:Freebooter 1)

Lead Kettle I (Required:Buccaneer 1)

Leather Rope Grips I (Required:Marauder 1)

Lightened Mast I (Required:Corsair 1)

Maintenance Forge I (Required:Brigand 1)

Rum Pantry I (Required:Corsair 1)

Spiked War Horn I (Required:Corsair 1)

Sterile Galley I (Required:Freebooter 1)

Sticky Fuel Station I (Required:Marauder 1)

Storage Compartment I (Required:Freebooter 1)

Tool Smithy I (Required:Buccaneer 1)

Volatile Fuel I (Required:Marauder 1)