Dockyard

Units created

Dark Age

• Light ships
  • Dromond
• Heavy ships
  • Longship
• Special
  • Fire Barque
  • Fishing Boat

Tech requirements

To access heavy and siege ships, Military Level 1 (Feudal Levies) is required

Castle Age

• Light ships
  • Barque
• Heavy ships
  • Roundship
  • Tower Ship
• Special ships
  • Heavy Galley
• Special
  • Cheirosiphon
  • Fire Vessel

Tech requirements

• Castle Age
• Military Level 3 (Heraldry and Chivalry)

Imperial Era

• Light ships
  • Fusta
  • War Galley
  • Swooper
• Superlight
  • Brigantine
  • Covered swooper
  • Caravela redonda
  • Baghlah
• Heavy ships
  • Nau
  • Cog
  • South Sea Barque
• Superheavy
  • São Gabriel-class carrack
  • Lantern Galley(can serve as siege)
  • Carrack
  • War Junk
• Siege ships
  • Galleass
• Special
  • Trawler

Tech requirements

Imperial Era must be researched to upgrade mainstream light and heavy ships. For upgrades of light ship to superlight class:

• Legalism
• Science Level 4 (Chemistry)

For upgrades of heavy ship to superheavy class:

• Absolutism
• Science Level 4 (Chemistry)

For upgrades to a galleasss:

• Imperial Era
• Construction Level 3 (Engineering)

For upgrade of fire boat:

• Strategy Level 3 (Operations)

Note:

• Siege ships are immediately converted into superheavy vessels once the superheavy ship research is complete.
• Portuguese, Moorish, and Sicilian vessels do not require govt upgrades (Legalism; Absolutism) to be available.

Individual tech trees

With the exception of Western factions:

• China and Japan receive the swooper, covered swooper, tower ship, war junk and South Sea barque.
• Mongolia does receives the swooper and covered swooper only, and can build only the lanternas.