A test applied to one of a batch of machines of identical design from one manufacturer.

Uniform - U = signal letter and flag. Morse = ( . . - )Flag= Two white and two red square.When hoisted singly from a ship it means : "You are facing immediate danger."

Without any means of powering, except for hand power.

Victor - V = signal letter and flag. Morse = ( . . . - )Flag= Diagonal red cross on a white background.When hoisted singly from a ship it means : "I require assistance."(Kerchove)

Whiskey - W = signal letter and flag. Morse = ( . - - )Flag= Central red square set in a larger white square with all-round blue border. When hoisted singly from a ship it means : "I require medical assistance."(Kerchove)

A winch used solely for warping, on which a rope may be wound under power but not stored.

An air operated device for hoisting or pulling. Similar to a slusher or tugger or An engine for handling drafts of cargo secured on deck and fitted with drums on a horizontal axle.

A machine designed to drop and hoist the anchor. It has one or more cable lifters mounted on a horizontal shaft, each being fitted with a brake. The cable lifters are capable of being declutched from the prime mover. One or two warping ends may also be fi ...

A kind of winch designed for hoisting and lowering the work-boat.

Bolts that secure the planks to the timbers.

Strong pieces of plank used with the wring-bolts.

X-ray - X = signal letter and flag. Morse = ( - . . - )Flag= White background and blue Greek cross.When hoisted singly from a ship it means : "Stop carrying out your intention and watch my signal.(Kerchove)

Yankee - Y = signal letter and flag. Morse = ( - . - - )Flag= Diagonal red and yellow stripes.When hoisted singly from a ship it means "I am carrying mail"(Kerchove)

Zulu - Z = signal letter and flag. Morse = ( - - . . )Flag= 4 colored triangle having their apex meeting at the center of the flag: black at the hoist, blue at the fly, yellow at the top, red at the bottom. When hoisted singly from a ship it means "I wish ...

ZUMACA. Small sailing coaster from the River Plate estuary and the adjacent waters of Brazil. (Kerchove)