How to build Europa universalis 4 transport ship?

1. First, make sure that the shipyard has purchased it. You can find the shipyard in the urban planning or facilities menu.

2. Then the ship engineer is sent to the shipyard for research and development.

3. Only after the completion of R&D can the transport fleet be successfully established.

4. Finally, in the case of owning a shipyard, the production project is selected as "transport ship".