Actions

heavy mounted weapons

Special:

range increases by 30ft for every 10ft the target is lower,
Similarly, it decreases by 30 ft for each 10 the target is higher  

Main Gun.

Ranged Weapon Attack: +2 to hit, range 150/300 ft. one target. Hit: 20 12d12 Bludgeoning Damage and 3d6 AOE(15ft) fire damage per cannonball. Doge dc for AOE starts at 18 at the center and drops by 2 per 5ft.
deals 2d4 thunder damage to the person firing.  

Non-Combat Actions

 

Helm

Interacting(action): Allows the ship to move.  

SkyCore

Interacting(Bonus Action): Raises/lower ship by 10 ft  

Repair Component(in Combat)

heal a ship component, apart from the hull.
Action: Make a DC 24 Sleight of Hand and Intelligence check. (roll once for each skill and add them together)
On a success heal every ship component 1d10 +dex+int mod
Or Make a DC 10 Athletics check and a DC 16 Mechanics check to heal 1d12 +str+int on a success.
 

Repair Ship Short Rest(Out of Combat)

During a short rest, Make a DC 36 Strength, Sleight of Hand, and Intelligence check. (roll once for each skill and add them together)
On a success heal every ship component 2d10 +str/dex+int mod
Or Make a DC 10 Strength check and a DC 16 Mechanics check to heal 2d12 +str+int on a success.
The skill checks can be bypassed with 3 or more people working on repairs.

Repair Ship Long(Out of Combat)

During a Long rest, Make a DC 36 Strength, Sleight of Hand, and Intelligence check. (roll once for each skill and add them together)
On a success heal every ship component 4d10 +str/dex+int mod
Or Make a DC 10 Strength check and a DC 16 Mechanics check to heal 4d12 +str+int on a success.
The skill checks can be bypassed with 3 or more people repairing