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Encyclopedia of Marine Technology


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Q.M.E.D. (Qualified Members of the Engine Department)

Pumpman and Electrician. Trained in all crafts necessary for engine maintenance (welding, refrigeration, lathe operation, electricity, pumping, water purification, oiling, evaluating engine gauges, etc.)

Quarter deck

A raised upper deck at the after end of a ship. It is usually a feature of smaller vessels.


An artificial solid construction, alongside or projecting into a harbour or basin, which acts as a landing place for cargo and passengers. It may also function as a fitting out or repair place for a ship moored alongside.

Quick-acting cleat, battening device

A cleat applied manually by a lever to provide the necessary locking. Hatch covers are secured to the coaming by quick-acting cleats.

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