Maritime Term

Ullage

The void space in a tank above the surface of the liquid.

Related maritime terms

Trim— The difference between a vessel's forward and aft draughts. TSSAbbr— Traffic Separation Scheme — an IMO-designated routing measure separating opposing traffic … Tug— A small, powerful vessel used to assist large ships during berthing and manoeuvring in con… ULCCAbbr— Ultra Large Crude Carrier — the largest tanker category, exceeding 320,000 DWT. Underway— A vessel not at anchor, not made fast to a fixed structure, and not aground. VHFAbbr— Very High Frequency — the 156–174 MHz radio band used for ship-to-ship and ship-to-shore c… VLCCAbbr— Very Large Crude Carrier — a tanker of 160,000–320,000 DWT. VTSAbbr— Vessel Traffic Service — a shore-based monitoring and advisory service managing traffic in…

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