Rynah Cannons
Points: 9
Ability: This ships cannons have L range. When this ship rolls a 6 on any cannon roll, eliminate two additional masts from the target ship. If this ship rolls a 1 on any cannon roll, turn this equipment face-down. This equipment cannot be turned face-up again unless given a repair action to do so.
You should add a brief line or phrase saying that this needs to be placed face up when first assigned to a ship, and that it flips face up when repaired, so you avoid any potential tracking issues if you have a large fleet with multiples of these in play.