The cry used when a sail is first discovered at sea.

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 ...

Short tons (2,000 lbs.).

Search And Rescue radar Transponder

A larger vessel usually thought of as being used for ocean travel. A vessel able to carry a "boat" on board.

A figurative term for a vessel's timbers.

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)

Special area of conservation Samsurface to air missile

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)

Regional Electronic Navigational Chart Co-Ordinating Centre

Special Casualty Representative (P&I)

Ship-port interface, IMO

Standard Operating Procedure

Sierra - S = signal letter and flag. Morse = ( . . . )Flag= White background with central blue square.When hoisted singly from a ship it means : "Engine going full astern."

The minimum uniform speed (in meters per second) measured on the first layer that the winch can maintain under drum load.