Caravel

Creature Capacity: 15 crew, 30 passengers
Cargo Capacity: 4 tons
Travel Pace: 4 miles per hour (96 miles per day)

Control: Helm.
Armour Class 12
Hit Points 50
Move up to the speed of one of the ship's movement components, with one 90-degree turn. If the helm is destroyed, the caravel can't turn.

Movement: Sails.
Armour Class 12
Hit Points 100
Speed (water) 35 ft.; 15 ft. while sailing into the wind; 50 ft.while sailing with the wind

Weapon: Ballista.
Armour Class 15
Hit Points 50
The caravel can fire its ballistas (DMG, ch. 8).

On its turn, the caravel can take 2 actions, choosing from the options below. It can take only 1 action if it has less than 5 crew. It can't take these actions if it has no crew.

Fire Ballista. Ranged Weapon Attack: +6 to hit, range 120/480 ft., one target. Hit: 16 (3d10) piercing damage.
Move. The caravel can use its helm to move with its sails.