Hit by a wave over the stern; having a wave wash over the stern of the boat. This can be a very dangerous situation.

Alert (pep it up!).

The alternate rise and fall of the bow of a vessel proceeding through waves.

The tensile or compressive loading on the crosshead assembly with compressive piston rod loading on the outward stroke and tensile piston rod loading on the inward stroke.

The amount of atmospheric dust which a filter will capture.

Shallow keels, usually placed in conjunction with or in place of a center keel. Attached to each side of a vessel, they provide lateral resistance and stability, as well as support the weight of the hull of the ship on the ways when launching, or when in ...

A signal which is hoisted during a sailing race to protest the actions of another (for rules infractions)

A metal pin by which the plating and other parts of iron and steel vessels are joined. Rivets are known by their heads, such as: Flush, pan, snap, plug, tap, countersunk, mushroom, and swollen neck.

A rail car without a roof and walls.

Equipped to extract petroleum, e.g. oil production ship.

Small lines used to tie the sails when they are flaked or furled.

A multihull with two hulls separated by a deck or crossbeams from which a trampoline is suspended; abbreviated "cat."

To calculate your position using time, the position of celestial bodies, and mathematical tables. Position is determined by measuring the apparent altitude of one of these objects above the horizon using a sextant and recording the times of these sighting ...

Voyage made in varying directions. To sail in various directions for pleasure, in search, or for exercise.

A strong vertical post used to attach lines for towing or mooring.

The practically steady winds blowing toward the equator, N.E. in the northern and SE. in the southern hemisphere.

Going toward the direction of the wind, by alternate tacks.

Present a rate proposal to a conference meeting for adoption as a conference group rate.

The escape of water molecules from a liquid to the gas phase at the surface of a body of water.2. The conversion of a liquid to a vapor (gas), usually by means of heat.

An audible or visual discharge at a pressure slightly lower than the set pressure on a valve. Warns the operator that the valve is about to open.