Frigate

A large wooden ship with 3 main sails, rigging and armed with 24 cannons. Can support up to 100 crew and carry 10,000 kg of cargo. Can be upgraded with a steam engine, arcane sails or Spelljammer helm.

Battle stations

The Wheel: Help in the steering the vessel with Strength checks. Staying on course accelerates the vessel to top speed if the sails are completely unfurrelled and maneuvering slows the vessel but increases its AC by 5.

The Rigging: Climb into the rigging with an Acrobatics or Athletics Check and help unfurl the sails. One success check unfurls the sails 1/3 increasing it's speed.

The Crow's Nest (60 ft high): A spy glass can be used to glean information on enemy ships or the environment. Make a Perception Check to find information. You can also aid or man the sniper position to fire on the enemy.

Swivel Guns: Small cannons have been mounted on the fore and aft decks of the ship. Use the stat block below:

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Homebrew

Swivel Gun

FIREARM COMMON ARTILLERY LOADING BLUDGEONING

A cast iron small cannon made to be attached to the side of a ship on a swivel.   Fire Cannon: 1d20 + (Firearms) Proficiency Bonus + Dexterity Modifier

Type	Damage	Damage	Range
Martial Ranged	5d6	Bludgeoning / None

Cost: 500gp

Weight: 50kg (100lbs)

Naval Guns: Long cannons are mounted on either side of the ship. Use the stat block below:

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Homebrew

10-Pounder Naval Gun

FIREARM COMMON ARTILLERY BLUDGEONING SLOW

A brass smooth bore cannon that can fire 10 pound shells, canister shot or solid shot. Can be mounted on a ship, (wheeled) platform or vehicle weapon slot (medium).   Artillery. This weapon is designed to attack large vehicles or static objects. It cannot target creatures medium sized or smaller. It has Disadvantage on Attack Rolls against Large creatures.   Actions. It takes 3 Actions to fire a cannon. It must be loaded and aimed before it is fired.

1. Load. Use an Action to load and prepare to fire. You can load special ammunition that replaces the standard solid shot.
2. Aim. Use an Action to aim the cannon and range the cannon. It can only fire in a 90 degree arc.
3. Fire. 1d20 + (Firearms ) Proficiency Bonus + Dexterity Modifier to hit.

Type	Damage	Damage Type	Mastery	Range
Martial Ranged	10d6	Bludgeoning / None	Slow	2000ft/4000ft

Cost: 1000 gp

Weight: 1300kg (2900lbs)

Below Decks: Go below decks to hide from the combat or aid in repairs and bilging the ship. Use a Tinkers/Smiths/Carpenters Tools check (or use the Mending spell) to repair the hull if damaged. If the ship is taking on water you can help bilge the ship with an Athletics check.