They exist as NPC captains that spawn their own ships, crew, cannons, and hold supplies.
In the naval code, the encounter “system” is primarily driven by:
This means: when the captain spawns (usually via a spawner/zone system), the captain then builds the encounter ship.
When an encounter captain initializes without an existing ship:
If the ship cannot fit, the ship and captain delete (failed spawn).
Encounter captains spawn a crew of about 3–5 members onto the deck.
Encounter captains scale their cannon cadence based on crew:
(Internally it’s a seconds value that bottoms out at 2 seconds and tops out at 10 seconds.)
Encounter ships typically spawn with hold supplies like: