Welcome to the website where you can find answers for the Computer Based Test (CBT) also known as Crew Evaluation System (CES) on the subject «Ship to Ship (STS)transfer operations». This site will help you as a marine specialist improve your knowledge with the help of open information, where you can find questions as well as answers for them. CES/CBT based on practical information and marine specialists experience.
CES & CBT tests developed for evaluating seaman basic knowledge by Seagull Company (rebranded as «OTG»), is an evaluating online-tool, used for revealing any professional preparation needed in specific fields of knowledge, defined by STCW.
CES tests have proven themselves as good tools for the selection and recruitment process, as well as advancing the level of knowledge of the current officers and crew. Ocean Technologies Group use various subjects for question creation, which includes:
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Integrated Navigation System (INS);
Ballast water management;
Handling and Stowage;
Vessel operation management and safety;
Marine engineering;
Maintenance and repair, etc.
Current test contains Seagull CES questions on the subject «Ship to Ship transfer operations». Those questions can be used for competence verification specialist capable of preventing accidental situations related with transporting safety, or also for self-examination.
«Ship to Ship transfer operations» subject includes theoretical and practical information about ship-to-ship transfer operations. Knowledge of this information directly shows employee’s competence who holds a relevant post on a vessel, provides to organize and perform STS (ship-to-ship) transfer operations, know the transfer requirements, the mooring features between different types of ships, as well as how to process the STS Check-List.
This page contains answers to Seagull CES CBT (Crew Evaluation System/Computer Based Test) test about Ship to Ship transfer operations, and serve as a database of questions and answers, using which seafarer can prepare to exams for getting certificate of competence, or just to challenge yourself with knowledge in this theme.
CBT CD 0181 – STS Transfer.pdf
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Amount of questions: 40.
Right answers marked with this sign .
Which five of the following conditions have to be considered when a location for STS transfer operation that allows for drifting or steaming during transfer is being planned?
The tidal current condition.
Sufficient sea room.
Safe distance to offshore installations.
The need to notify and obtain approval from coastal authority.
The availability of a safe zone free from small craft.
Tug-boat availability.
According to the requirements contained in, the MARPOL Annex I – STS Plan, the national and local authorities should be notified prior to the commencement of an STS (ship to ship) transfer operation. How much notice is required for such an operation?
12 hours.
48 hours.
72 hours.
6 hours.
In relation to STS (ship to ship) transfer operation, select the three methods by which personal would be permitted to transfer between the ships? Select all applicable answers:
By ship’s crane suitable for this task, using a certified personnel basket and an experienced crane operator.
By the accommodation ladder.
By ship’s derrick and certified personnel basket.
By lightweight, insulated gangway fitted with rails, safety net and securing ropes.
By workboat transfer.
By pilot ladder via the fender.
In relation to STS (ship to ship) transfer operations which two of the given options are considered as “organisers” as defined in the module?
The person in overall advisory control.
The local agent and National Authority.
STS agency.
STS service provider.
In relation to STS (ship to ship) transfer operations who should fill in the STS Check List no. 1?
The Master of each ship.
Ship Owners/Operators.
The person in overall advisory control.
The STS Service provider.
In relation to STS (ship to ship) transfer operations when should the STS Check-List no. 5 be completed?
Before disconnecting the hoses.
Before unmooring.
Just as the ships are moving apart.
After un-berthing is completed.
In relation to STS (ship to ship) transfer operations when should the STS Check-List no. 3 completed and confirmed?
When the STS operation commences.
When mooring is completed.
Before run in and mooring commences.
Just before cargo transfer commences.
In relation to STS (ship to ship) transfer operations when should the STS Check-List no. 4 be completed?
When both ships are securely moored and before cargo transfer starts.
When cargo transfer is completed.
Before unmooring.
After first line is made fast.
In relation to STS (ship to ship) transfer operations when should the STS Check-List no. 2 be completed and confirmed?
At the same time as check list no. 1 is confirmed and completed.
Before operations commences.
When operations are underway but before mooring commences.
When the service provider is ready.
In relation to STS (ship to ship) transfer operations, which of the given options identifies a common feature that is required for both a dedicated ship and an established ship?
Both must be equipped with dedicated hose handling gear.
Both must be contracted for a period in a specific location.
Both must be equipped to secure all STS equipment safely for ocean passages.
Both must have an experienced crew.
Select the option which best describes the preferred procedure to adopt when unmooring and un-berthing following an STS (ship to ship) transfer operation carried out with both vessels under way:
Keep the wind and sea on the port side when unmooring, then bring the two ships to head into the wind in order to spread them apart.
Keep wind and sea on the starboard while unmooring, then bring the wind in from astern in order to split the two ships.
Keep sea and wind dead ahead throughout the entire operation.
Keep the wind and sea abreast on the port side throughout the entire operation.
Select the option which best describes the type of communication which is recommended between the two ships during STS (ship to ship) transfer operation?
Any portable and fixed VHF.
Any portable or fixed UHF.
Intrinsically safe VHF/UHF plus visual/voice contact.
Only UHF and visual/voice.
Select the three options that identify the intervals at which the fenders used in STS (ship to ship) transfer operation should normally be visually inspected:
Prior to each transfer.
Monthly.
Annually.
Every 6 months by STS service provider.
After each transfer.
Select the three options which detail the factors that will influence a mooring plan for STS (ship to ship) transfer operations:
Size of each ship and the difference between their sizes.
Parallel body length of the ships.
Expected difference in freeboard and displacement.
The number of fenders to be used.
The efficiency of mooring line leads available.
Select the two options which best describe the patterns that are usually employed when positioning fenders on larger ships involved in STS (ship to ship) transfer operations?
4 primary fenders rigged in one string at equal distance and 1 secondary fender fore and aft.
1 primary fender at each end and 2 secondary fenders in between.
1 primary fender at each end and 1 in between, and 1 secondary at the bow.
4 primary fenders rigged in pairs clear from manifold areas and 1 secondary fore and aft.
Select the two options which identify the publications which contain the requirements and recommendations to be followed in order to plan and execute an STS (ship to ship) transfer operation?
MARPOL Annex I, STS Transfer Guide (ICS/OCIMF).
International Shipping Guide for Offshore Tanker Terminals.
International Seafarer’s Guide for Oil Tanker Trade.
International Safety Guide for Oil Tankers and Terminals.
Select the two options which identify the test and maintenance requirements for cargo hoses carried on board for the use in STS (ship to ship) transfer operations:
Pressure test on board every 6 months and a test record to be kept on board.
Annually inspected by Class.
Pressure tested annually by service provider and a test record given to ship.
Regularly inspected for damages and deterioration and a record of inspections to be kept on board.
Select the two options which identify who has a responsibility for carrying out a risk assessment prior to an STS (ship to ship) transfer operation:
Both ships Masters.
The person in overall advisory control.
The Ship Owner or Operator.
Only the Master of the ship at anchor.
Select from the given options the main reason indicated in the module as to why STS (ship to ship) transfer operations are carried out?
A shortage of suitable terminals in the region means an STS (ship to ship) transfer area will allow effective distribution of part cargoes to local reception facilities.
In the event of congestion in ports it is quicker to carry out STS operations than to wait for a berth to be available.
In order tos ave time as STS transfer operations always take less time than loading or discharging at a terminal.
In order to reduce the risk as STS transfer operations are always safer than ship to terminal transfers.
Under which maritime law and regulation are STS (ship to ship) transfer operations covered?
IMO – IMDG Code.
MARPOL Annex I.
ISPS Code.
SOLAS.
What is a risk mitigation and contingency plan in relation to STS (ship to ship) transfer operation?
It is a product of all STS requirements.
It is the basis for a risk assessment.
It is a product of a risk assessment.
It is a guide line for emergency planning.
What should be the first action to be taken if a cargo leakage or spill is observed during an STS (ship to ship) transfer operation?
Report to the officer in charge in order to stop the transfer in a controlled manner.
Activate the emergency shutdown system to immediately stop the transfer.
Inform the Master for his permission to stop the transfer.
Activate the emergency alarm system to notify all personnel.
What speed is recommended for two ships manoeuvring alongside each other while underway as part of an STS (ship to ship) transfer operation?
Dead slow, approximate 2 knots.
2 to 4 knots.
4 to 5 knots.
Slow speed – 6 to 7 knots.
When an STS (ship to ship) transfer operation is being carried out at anchor, according to which of the publications given in the options is it required to maintain anchor watch?
STCW.
ISGOTT.
ICS.
COLREG.
When an STS (ship to ship) transfer operation is planned who is responsible for informing the local authority?
The person in overall advisory control.
The master of each ship.
The Ship Owner or Operator.
The service provider.
When berthing alongside an anchored ship, in preparation for an STS (ship to ship) transfer operation, which ship will normally deploy the lines?
Always the anchored ship.
The manoeuvring ship.
The anchored ship deploys the first line, the manoeuvring ship deploys the remaining.
Both ships deploy equal number of lines.
When two ships are manoeuvring alongside underway, in preparation for an STS (ship to ship) transfer operation, from which direction is it recommended to keep wind and sea?
On the starboard side of the manoeuvring ship.
On the beam of the larger ship to give shelter to the smaller ship.
On the port bow of the constant heading ship.
Dead ahead of both ships.
When two ships are manoeuvring alongside underway, in preparation for an STS (ship to ship) transfer operation, what is the main reason for securing the forward head and spring lines first?
To avoid misalignment of the two ship’s manifolds.
Because the first touch on the fenders will always push the ship’s bows.
Because the interaction between the ships will push the smaller ship away.
Because the forward motion of the ships driving the water between them can push the bows apart.
Whenever possible STS (ship to ship) transfer operations should be carried out in daylight conditions, if, however, it is decided to carry out such operations at night which one of the given options is required in order to make such operation acceptable?
Personnel involved must have suitable experience in night STS transfer operations and all parties must agree.
An additional STS Superintendent must be employed.
Transfer must be carried out with both ships underway.
Tug boat assistance must be made available.
Which contingency plan should be activated in the event of an oil spill during an STS (ship to ship) transfer operation within the Dominican Republic EEZ?
Shipboard Oil Pollution Emergency Plan (SOPEP).
OPA-90 Vessels Response Plan.
Local Authority Contingency Plan.
The ship owner’s contingency plan.
Which daylight signal is required to be hoisted during the STS (ship to ship) transfer operations?
Two black balls with a diamond shape in the middle.
A black cylinder.
Two diamond shapes.
Two diamond shapes with a black ball in the middle.
Which factor would have a vital influence on the unmooring operation following an STS (ship to ship) transfer operation with one ship at anchor?
An acceptable but strong wind from port side.
The difference in the two ship’s displacement.
A change of tide.
The hydrodynamic interaction caused by underwater hull shapes.
Which fender type is most commonly used as primary fender for STS (ship to ship) transfer operations?
Foam filled.
Low pressure pneumatic.
High pressure pneumatic.
A combination between high pressure and foam filled.
Which four important factors need to be considered when selecting the correct fender type to be used for an STS (ship to ship) transfer operation?
Berthing speed/berthing velocity.
Sea water temperature.
Sea and swell conditions.
Size of ships involved.
What kind of cargo to be transferred.
Weather conditions.
Which one of the actions given in the options should be taken if communication is lost during an STS (ship to ship) transfer operation?
Continue the operation at a reduced pumping rate and establish voice communication at the manifold.
Continue the operation at a reduced pumping rate until normal communication is re-established.
Sound the emergency signal and suspend all operations if safe to do so. Transfer operations should not be resumed until communication is restored.
Reduce pumping rate and inform the Master and the person in overall advisory control of the problem.
Which one of the actions given in the options should be taken if communication breakdown occurs during a closing up manoeuvre as part of an STS (ship to ship) transfer operation?
Reduce the speed and make a new close up manoeuvre when communication is restored.
Continue the closing up operation by communication via load speaker (Megaphone).
Adjust course and speed in relation to the other ship and try to make a parallel, soft berthing against the fenders.
The manoeuvre should be aborted if appropriate and safe to do so and further actions to be indicated by whistle signals according to COLREG recommendations.
Which ships used for STS (ship to ship) transfer operations are required to have closed fairleads within 35 meters fore and aft of the centre of the starboard manifold?
LPG ships larger than 85 000 m3.
All tankers over 160 000 dwt.
All tankers over 120 000 dwt.
All tankers and LPG ships above 50 000 dwt.
Who is normally “the person in overall advisory control” of an STS (ship to ship) transfer operation?
The Ship Owner or Operator.
An STS Superintendent or one of the ship’s Masters.
The STS service provider.
The pilot, if a pilot is used.
Who is responsible for the STS (ship to ship) transfer operation?
The service provider.
The Superintendent in overall advisory control.
Each master is responsible for his ship.
The master on the manoeuvring ship.
Who is responsible for the correct positioning of the fenders for an STS (ship to ship) transfer operation being carried out underway?
The person in overall advisory control.
The STS service provider.
The pilot, if pilot is involved.
The master of the constant heading ship.
Test about Ship to Ship transfer operations
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