Sailboats

The maximum measurement of the vessel from bow to stern, in feet.

The measurement of the vessel from bow to stern at where the water meets the hull, in feet.

Is there a stateroom or cabin against the transom of the vessel?

The manufacturer of the engine(s).

The maximum width of the boat, in feet.

The shower configuration (if any).

the maximum mast height above the waterline.

How the mast is secured to the vessel.

https://en.m.wikipedia.org/wiki/Gaff_rig

The most abundant type of wood used both inside and out.

The shape and position of the vessel's keel.

The intended rigging and mast plan of the vessel.

The primary material configuration for the tread surface of the vessel deck.

The methods and mechanics used to stow and secure the sail when not in use.

The vessel has an electric power generator distinct from the propulsion motor.

The total vessel weight in pounds

The weight of the vessel's keel, measured in pounds.

The vessel has a retractable keel extension that provides additional wetted surface to improve pointing and still allow for a shallow draft, but does not significantly increase ballast.

The vessel has port lights on her transom (traditionally a "shippy" style).

The system(s) used to heat the cabin interior.

The system(s) used to cool and dehumidify the cabin interior (if any).

The distance from the lowest point on the vessel to the joint between the hull and deck. This is greater than the vessel's _draft_ which is measured from the waterline.

the maximum depth of the keel below the waterline, in feet. This is less than the vessel's _depth_ which measures to the deck joint.

the lowest maximum depth of the keel below the waterline, in feet (applicable to centerboard and adjustable keels). This is less than the vessel's _depth_ which measures to the deck joint.

The material(s) and strategy of the vessel's deck construction.

The distance between the cabin sole and the highest point in the salon deckhead, in inches.