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Williamson Turn (MOB)

It is actually quite hard to steer a boat of any size back to a particular

spot in the water. There are a couple of manoeuvres that make thiseasier. One is the Williamson Turn - ti requires no equipment, althouh

a compass is helpful, and puts the boat on a return course back alon its

oriinal track.

- To start, steer a straiht course away from the victim

- !ut the helm hard over and wait until the boat has turned "# derees.

- !ut the helm hard over the other way, and wait until the boat hasturned $%# derees. &e careful to keep the victim in siht durin this second turn. 'o not chane

speed.

- The boat should now be headin directly towards the victim

If a compass is available, the course chane may be made based on compass headin. If not, pick

a mark on the horizon off the boats beam (on land, or a distinctive cloud, or )ust use a bestuess*, and steer until the boat is headin for it. Then turn the other way until the boat is headin

for the victim.

It doesn+t matter which way the initial turn is made, or how fast the boat is oin, or how sharp

the turn is. ll that matters is that the speed is consistent and the turns are of equal radius.

If a ! waypoiint was saved where the victim went overboard, it may be used as an aid toreturnin. /owever, the victim (and marker pole* will drift with current or tide while the !

waypoint will not. well-e0ecuted Williamson Turn will ive better results.

Assisting a Vessel in Distress1ou are oblied by law to render assistance to a vessel in distress if you can do so without

endanerin your vessel or crew.

2onsider the followin measures so that you will be prepared to render assistance.If you have 3/4 radio, continually monitor channel 56 when underway.

7eep a constant lookout, watchin for sinals of vessels in distress.

When you hear or see a distress call, check your safety equipment and have it ready for action.

lifebuoy, life slinheavin line

boat hook

all onboard should be wearin !4'stender or zodiac ready for launch

issue a relay 81'1 if the emerency call has not been made

pyrotechnic flares at handfirst aid kit ready for action

When you approach the vessel, make an assesment of the best way to assist, without endanerin

your personal safety.

If radio contact is active, ask the operator of the vessel in distress what specific assistance is

required.tand by until the distress situation has passed. If rescue personnel, such as 2oast uard or

local law enforcement officers appear on the scene, take direction from the rescue authorities onthe best way to assist.

2ollision accident - 9merency response for liquefied as carriers

In the event of a collision many of the actions to take will depend upon the seriousness of the

damae inflicted to either or both of the vessels involved. 4or e0ample the collision may only


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involve a lancin blow where the structural damae is superficial, or it miht be more serious

and followed by a fire, e0plosion, serious pollution, strandin or founderin, with the possibility

of crew overboard, seriously in)ured or even killed.:o matter what the eventual outcome of the collision may be, there are several actions that

should be initially carried out by ships staff in the event of any collision. These are listed below.

ction to be taken by the bride team;

ound the eneral larm and follow this with a public address announcement reardin thesituation.

8uster all personnel and check for in)ured persons or any that are missin. dvise the &ride of

the outcome of the muster.

2ontact the 9nine room and advise them of the situation and et an initial report of any damae

or leaks that are apparent.

top enines and enae manual steerin (start $nd steerin motor*. /owever, bear in mind the

immediate naviation situation. (Other traffic, pro0imity to shoal patches or other hazards*. Itmay be preferable to maintain minimum steerae way at this stae with hand steerin possibly

enaed.

ive the instruction to close any ballast hatches etc. that may be open, to maintain the watertihtinterity of the vessel.

t niht turn on the deck lihts< however, aain bear in mind the naviation situation.

=tilise 3/4 2h56 to advise other ships in the immediate vicinity of the collision usin security

or !an !an. :.=.2. sinals may have to be displayed dependin on the situation.

9nsure that the 8' equipment has vessel current position entered, and then send

notification of the collision to the nearest 8>22 or coast station. lso contact '! usin initialcontact via telephone, if '! not available then other members of the control roup should be

contacted. 2ontact details are available in the .8.!.9.!. ppendi0 III.

2ontact the other vessel and ascertain if she requires assistance or needs us to standby her andnote protest.

!repare lifeboats for the evacuation of non-essential personnel.

The followin information should be recorded a* 8ark 9nine >oom 'ata loer

b* 8ark 2ourse >ecorderc* :ote Time of 2ontact

d* :ote 3essels !osition

e* :ote &ride Times

f* :ote 2ourse ? peed at Time of 2ontact* :ote nle of 2ontact

h* :ote Times of all ound inals 8ade and /eard

i* 2heck if other 3essels require ssistance or require our 3essels to tandby)* Obtain particulars of other vessels

k* /old other vessels responsible by @etter

l* :ote !rotestm* Witnesses :ames

n* :otify nticipated 'elay


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9ndeavour to find out from other vessel the followin information and likewise advise the other

vessel of our similar details; a* 3essels name b* !ort of reistry c* Where from d* Where bound

e* Owners A 2harterers A aents

9stablish and enter the followin in the 'eck Operations @o, if not already noted; a* 90act

position of collision b* 90act time of collision c* 2ourse and speed at time of contact d* nle ofcontact with other vessel e* 'etails of any sound sinals made or heard prior to the collision f*

Transcripts of any communications to or from the other vessel * 8ark the course recorder chart

with the time of collision

Issue the other 8aster with a @etter holdin him responsible for the collision.

8ake a record of all witnessin vessels A parties.

s soon as practicable after the event all personnel on duty or directly involved in the incident

should submit to a dru and alcohol test

:ote !rotest when vessel arrives at ne0t port of call.

2heck that bride and enine times noted for the time of contact and subsequent movements

aree. If they do not, make an entry in the 'eck Operations @o and 9> 8ovement &ook notin

the disparity.

Whilst all the above is bein carried out there must, be someone who is keepin an accurate and

complete lo of all that is occurrin. In the absence of a direct order to the contrary, the Third

Officer shall compile the lo and be responsible for its accuracy. >emember, at an enquiry thislo account of the happenins will provide one of the stronest pieces of evidence for or aainst

us. o letBs et it correct. ny mistakes or alterations shall be crossed out usin only a sinle line

and initialled by the officer makin the chane. 9rasin or CTippe0inB out entries must not beattempted

When the various information has been received from local control, an updated report includinthe vessels C3oyae tability InformationB must be sent to the manain office. :ote that an

updated copy of the vessel stability and stress information, must be made available after every

caro, ballast or bunker operation, and must be updated periodically on e0tended voyaes where

there is any sinificant chane in caro or bunkers.

ction to be taken by deck department;

Other members of the ships complement should be checkin and reportin in to the bride

control centre on the followin information;

2heck all have mustered

If necessary start water pump sprays.

The watertiht interity of the hull. This information may be obtained by visual means and by

manually soundin all spaces, tanks and compartments, both on deck and in the enine room.

The interity of the caro and its associated systems includin hydraulics pipelines and fuel

lines.

2heck for any sins of leakae of @: into the interbarrier spaces. (Indications may be iven by

as detection alarms or low temperature alarms or hih-pressure alarms*. lso check and record

all levels in tanks.


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s appropriate to type of vessel, check for sins of water penetratin the interbarrier and

insulation spaces. (Indications may be Interbarrier bile hih level alarms with increased boil offand risin caro tank pressures*.

Emergency procedures in port

!ort of Townsville @imited is committed to providin safe operations. The safety of our

employees, customers, port neihbours, and visitors to our facilities is of paramount importanceto us.

8aintainin a safe workin environment is, however, the responsibility of all, and port users,

customers, and contractors are accountable for identifyin, preventin, controllin, andmanain emerencies that could occur within their area of activity.

!ort users must also contact 8arine ervices 'uty Officer on (#%* D%E5 56ED with key contact

chanes within their oranisation as they occur.

4or your convenience the 2orporation has listed its relevant emerency policies and procedures

in the +>elated 'ocuments+ tab on the riht of this pae. It is stronly recommended personsworkin within the port area familiarise themselves with these documents.

!rovided below are summaries of port evacuation and cyclone response actions.

9merency !rocedures

STRANDN! " !RO#NDN!

trandin can occur for a number of reasons;

&ad naviation

4aulty naviation instruments

&ad weather

9nine breakdown

etc.

n case o$ stranding% ta&e at least $ollo'ing actions

top enines immediately (it happens that a ship runs around with very little speed on a

very soft bottom with very little slope* and that nobody on the bride or in the enine

room has felt it*

ound eneral alarm

Watertiht doors to be closed


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3/4 watch maintained on channel 56

&roadcast to other vessels

ound sinals, @iht A hapes to be e0hibited especially important in case of fo*

'eck lihtin switched on

2heck position on chart

Take note of any valuable information (time, course steered, speed, lo, eventual

manoeuvres, etc.*

ound biles, tanks

Immediately take overboard soundins around vessel to check on what type of sandbank

the ship is lyin.

If the ship is on top of a flat sandbank the daner of breakin in two is minimal. If the

ship lies on a mountainous sandbank the risk of breakin is real and the stress on the ship

enormous. In that case urent action must be taken;

o try to free the ship by ivin full astern (or full ahead* with successively the

rudder to hard starboard and hard port (a lot depends on the type and size of ship*

o call the assistance of tu boats

o consider )ettison of caro (to throw caro overboard*. &e careful of risk of

pollution

9valuate risks of pollution

Inform 2ompany and any third parties if relevant (! ? I 2lub, /ull underwriters, !ortauthorities, etc*

=pdate if necessary vessel+s position in radio room, satellite terminal and other automatic

distress transmitter (8'*

2onsider daner of the situation and if possible take pictures

2onsider further actions with consideration for;

o salvae

o risks of sinkin (emerency messae, 9!I>&+s, abandon ship*

o secure position (chane of tide, weather, stream, stress risks, stability*


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o assistance, port of refue, oil spills

o 7eep the 2ompany always informed

o

9nter every action taken in the lo book

Mariners Polytechnic College FoundationBaras Canaman, Camarines Sur

CompilationIn

Seamanship V


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By: Eris Nio C. Kapalungan

To: Capt. Nestor Rasco

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