Technical TermsRSS

Technical Terms

RNC

Raster Navigational Chart

On/roll off

Freight ship or ferry with facilities for vehicles to drive on and off (roll-on roll-off); a system of loading and discharging a ship whereby the cargo is driven on and off on ramps. Equipped with large openings at bow and stern and sometimes also in the ...

(See ROPE-BANDS.)

Cargo which is on wheels, such as truck or trailers, and which can be driven or towed on to a ship.

ROM

Read only memory

In general, cordage as it is purchased at the store. When it comes aboard a vessel and is put to use it becomes line.

A lightly powered or unpowered drum intended solely for rope storage

To haul in on a rope, especially a weather-brace.

ROV

Remotely operated vehicle

Research and development

RS

1.Russia (flag).2.Russian Maritime Register of Shipping (classification society).3.River Service

RT

(R/T)radio telegraph, telegraphy, telephone

Radio Technical Commission for Maritime Services

S

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."

Steamship.

S/T

Short tons (2,000 lbs.).

SAG

To sag to leeward, is to drift off bodily to leeward.

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

SAR

Search And Rescue