All boats are referred to as female. She is at anchor. Her sails are set. She is beautiful.

What is NDE? Nondestructive evaluation (NDE) is a term that is often used interchangeably with NDT.However, technically, NDE is used to describe measurements that are more quantitative innature. For example, an NDE method would not only locate a defect, b ...

What is NDT ? The field of Nondestructive Testing (NDT) is a very broad,interdisciplinary field that plays a critical role in assuring that structural components and systems perform their function in are liable and cost effective fashion. NDT technicians ...

A fan that generates (by pushing) a flow of ambient air over the exterior of the finned pipes to dissipate the sensible heat.

Two iron flatsided hooks reversed to one another.

Reduces the area of the mainsail by partially lowering the sail and re-securing the new foot by tying it to the boom with points, or light lines attached to the sail. Also called points reefing and jiffy reefing.

The volume displaced by the compressing element of the first stage per unit of time.

All listed options of a particular type (i.e., call or put) on a particular underlying instrument,.

The weight of an empty cargo-carrying piece of equipment plus any fixtures permanently attached.

A wire rope or line between davit heads.

The wheel operating the steering gear and by which the vessel is steered.

Is the speed required of a rotary compressor to maintain a given discharge pressure, supplying leakage only (zero actual output). It is an experience factor.

A line attached between a safety harness and a secure part of the boat.

In a wooden vessel, a plank in the hull springs when one of its ends breaks loose, and because of its shape bent to the curve of the hull, springs outwards beyond that curve. Such a plank is said to be sprung.

A winch having a rope storage capacity and used for topping, lowering and supporting a boom under load and no load.

In general the line, web straps, cable or chains attached to a heavy object to lift it.

Without any means of powering, except for hand power.

(AP) – The aft perpendicular passes through the aft end of the freeboard length L.

– The confirmed or official ship dimensions.

A disease caused by lack of Vitamin C historically common to seaman, because of the difficulty in preserving fresh fruits and vegetables.