WATCH KEEPING
The
machinery driving a vessel which is underway is usually operated 24
hours a day. All running machinery must be controlled continuously in
order to prevent any failure of the equipment. The majority of
control systems on modern ships are automatic. A ship may operate for
agreed periods with unmanned machinery, called UMS, which stands for
Unattended Machinery Spaces.
The
standard system of watches adopted on board is usually a four-hour
period on duty followed by eight-hour rest. The word “watch”
means both the period and the crew working at that time. The three
watches in any 12 hour period are usually: 12 to 4, 4 to 8, 8 to 12.
Thus, for instance, an engineer on duty for the 8 to 12 watch works
from 8 a.m. to 12 noon and from 8 p.m. to 12 midnight.
A
watch is usually made up of an engineer in charge with an assistant
engineer and a rating. Their duties include inspecting the main
propulsion plant, auxiliary machinery and steering gear spaces. They
should note any malfunctions and breakdowns, report and correct them.
Taken from: MARENG Software
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