Unit II Watchkeeping

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UNIT IIMANNING

WATCHKEEPING

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The day at sea is

generally divided into 4-hour(or 6-hour) periods

called watches.

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Watches are kept

on the bridge,

in the engine room

radio room 

while navigating, lying off or atport

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Watchkeeping on the

bridge

The officer of watch is the

master’s representative andis responsible for the safe

navigation of the ship during

the watch.

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The officer of watch is in

charge of bridge and bridgewatchkeeping team.

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The duties of the officer of 

watch are;

navigation

maintaining a lookout andgeneral surveillance of the

ship

avoiding collision

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recording bridge activitiesand making periodic checks

pollution prevention,reporting and emergency

situationscargo monitoring

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the control and supervision of 

machinery and ship safety

systems

displaying the correct lights and

making the correct sound andlight signals.

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The officer of watch should always take

an early and positive action to avoid

collision in compliance with regulationsfor preventing collision at sea.

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The risk of collision should be detected

early by taking frequent bearings of an

approaching vessel to ensure thevessel is not on a collision course.

 Assessing risk of collision in restricted

visibility is done by radar.

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It is important that a proper 

and formal record of navigational activities is kept

in logbooks

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The officer of watch should

undertake daily tests and

checks on the bridge equipment

such as manual steering, gyro

and magnetic compass errors.

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The officer of watch should

notify the master when in any

doubt as to what action to take

relevant to navigation and

safety.

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Watchkeeping

in the engine room

Watchkeeping system in the

engine room can be either 

normal watchkeeping or 

unmanned.

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The relieving engineer of watch controls

the data and conditions in the engine

room such as all auxiliary machinery,temperatures, in the exhaust and

cylinder cooling system, the levels in

service tanks before taking over the

watch.

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 1-Does the shipmaster keep

watch?

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2-Who is in charge of morning and

evening watches on the bridge?

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3-What is the name of the watch

between 0800 and noon?

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4-Why is the watch on the bridge

during navigation so vital?

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SOME WORDS

Be on the watch -v- Being on the

lookout, watchkeeping. 

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Keep watch -v- To have a watch, to be

on the watch. 

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Lie off -v- To stay at a distance from

shore and other ships. 

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Relieve the watch -v- To set free

someone from watch by replacing.  Take over watch-v- To relieve the

watch.

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Try to find the verb forms of the

following words .

collision →…………… 

communication →…………… navigation →…………… 

pollution →…………… 

prevention →…………... 

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Ask questions to the 

underlined words 

1-The officer of watch is the

master’s representative.

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2-The officer of watch is in charge of 

bridge and bridge watchkeeping team.

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3-The risk of collision should be detected.

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4-The relieving engineer of watchcontrols the data and conditions in

the engine room.

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Underline the correct word or

phrase in bold.

1- The officer of watch / the engineer of watch is in charge of cargo monitoring 

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 2-The officer of watch on the bridge is

responsible for safe navigation / safe

operation of engine. 

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3-The chief engineer / the chief officer is responsible for keeping watches.

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1-Who does not keep watch on

board?

a. chief officer  

b. master-chief engineer  c. master-second engineer  

d. captain e. chief engineer 

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1-Who does not keep watch on

board?

b. master-chief engineer  

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2-It is not necessary to keep

watch

a. while the ship is navigating

b. while the ship is lying off  

c. while the ship is in dry dock 

d. while the ship is at port e. while the ship is manoeuvring

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2-It is not necessary to keep

watch

c. while the ship is in dry dock 

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Which may be the primary duty of

the officer of watch on the bridge?

a. making periodic checks 

b. cargo monitoring c. avoiding collision 

d. supervision of machinery e. recording bridge activities

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Which may be the primary duty of

the officer of watch on the bridge?

c. avoiding collision