Nautical Terms Quiz

Definitions and Terms

A bollard is a device used to which mooring lines are made fast.
The best way to secure a towline to bitts involves taking a round turn on the bitt closest to the pull and using figure-eights.
The term AHEAD refers to the direction in front of the ship, typically indicated by a specified figure in diagrams.
CENTRE LINE indicates the longitudinal axis of a vessel, with definitions varying depending on placement in figures.
MIDSHIPS is a term referring to the middle area of a ship, again defined by specific figures.
The STERN represents the rear part of the ship, defined variably in diagrams.
The term ABEAM is used to describe a position that is perpendicular to the centerline of the ship—a specific figure will show its definition.
A Bridge refers to the area or structure on a ship where navigation controls are located, with differences noted in possible figure representations.
BOW/STEM denotes the front part of a vessel, with several definitions as depicted in figures.
DRAUGHT pertains to the vertical distance between the waterline and the bottom of the hull, which affects navigation.
FREEBOARD refers to the distance from the waterline to the upper deck level, critical for vessel safety.
AIR DRAUGHT signifies the height of the vessel above the waterline, affecting air clearance in bridges and other structures.
UNDER KEEL CLEARANCE defines the vertical space between the bottom of the hull and the sea bed, important for safe passage in shallow waters.

Additional Terms and Concepts

A boat deck specifically refers to the deck intended for lifeboats.
A gangway is a movable bridge used to connect the ship to the shore.
The area marked by the letter G could refer to multiple structural components, such as garboard or stringer plate, which are part of the vessel's framing.
The sheer strake is the deck plating that strengthens the connection between beams and frames while ensuring structural integrity.
Temporary repairs for small hull leaks can be achieved through caulking, which seals leaks effectively.
The floodable length represents the longest allowable distance between main transverse bulkheads in a vessel, critical for stability.
Floors aboard a ship refers to transverse members of the ship’s frame that provide support to the decks.