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Crew Evaluation System CBT test online about International Collision Regulations (Rev. 7, Module 0172)

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Welcome to the website where you can pass online the CBT test on the subject «COLREG (Rev. 7)». Practice like this will help you as a marine specialist improve your knowledge with the help of online studying and appraisal practice. CBT based on practical information and marine specialists experience.

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.

  • Test type: STCW.
  • Module: 0172.
  • Subject: International Collision Regulations.
  • Revision: 7.
  • Vessel type: any.

CBT 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:

  • Crowd and Crisis Management;
  • 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 CBT questions on the subject «International Collision Regulations (Rev. 7)». Those questions can be used for competence verification specialist capable of preventing accidental situations related with transporting safety, or also for self-examination.

«COLREG» subject includes theoretical and practical information about advanced training for work on any type of vessel. Knowledge of this information directly shows employee’s competence who holds a relevant post on any type of vessel. Individuals trained in CBT 0172 International Collision Regulations (Rev. 7) are responsible for ensuring compliance with international collision regulations while navigating a vessel. Their duties include understanding and applying the rules of the road at sea, maintaining a proper lookout, and taking appropriate actions to prevent collisions. These individuals play a crucial role in promoting maritime safety by effectively implementing collision avoidance measures and responding to navigational challenges in accordance with the established regulations.

On this site Crew Evaluation System Test on the subject «International Collision Regulations» contains 45 questions you need to answer with no possibility to go back to previous question. Therefore, we recommend carefully reading each question and making decision with no hurry. In case you have some difficulty answering, you have also possibility to request a hint.

The test includes two modes. In the Training mode, you go through 45 questions with the option to take a hint, while in the Exam mode, this option is not available. Enjoy!

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Amount of questions: 45.

Right answers marked with this sign .

The vessel is sighted astern. Range is determined by radar as 2 miles distant and is reducing. TCPA 7 minutes. What action should the OOW take?

Lights on the vessel

Sound 5 or more short rapid blasts on the ship’s whistle. This may be accompanied by a light signal of five or more short and rapid flashes.
Alter course to port, sounding one short blast on the whistle.
Alter course to starboard, sounding one short blast on the whistle.
Maintain course and speed and continue to monitor the situation.
On this radar screen in a North Up, true motion display. Range is set to 6 nm and the vessel is navigating in restricted visibility of less than 500 metres. The vectors shown are true vectors and set to 12 minutes length. What action may the OOW take?

Radar screen

Maintain course and speed, continue to monitor the situation.
Establish if risk of collision exists or a close quarter situation is developing.
Commence sounding the fog signal.
Make a bold alteration of course to starboard, and sound one short blast.
Make a bold alteration of course to port.
The vessel is sighted 40° on the port bow, range 8 miles. What is the first action the OOW should take?

Special lights on the vessel

Maintain course and speed.
Alter course to starboard, sounding one short blast on the whistle.
Establish if risk of collision exists, and/or a close quarter situation is developing.
Alter course to port, sounding one short blast on the whistle.
The following table shows target data displayed on a north up, stabilised ARPA radar for the target echo indicated on the radar screen. The vessel is navigating in restricted visibility of less than 500 metres, own vessel course steered 000° speed 12,00 knots. What action should the OOW take?

Table with target data

Maintain course and speed, continuing to monitor the situation.
Make a bold alteration of course to starboard and then continue to monitor the situation.
Make a bold alteration of course to port and then continue to monitor the situation.
The vessel is sighted directly astern, range 6 miles. What action should the OOW take?

Vessel sighted astern

Maintain course and speed and continue to monitor the situation.
Alter course to starboard, sounding two short blasts on the whistle.
Alter course to port, sounding five short blasts on the whistle.
Alter course to port, sounding one short blasts on the whistle.
The vessel is sighted 20° to port, distance off is less than 2 miles. Risk of collision exists. Which two actions may the OOW take?

Vessel sighted 20° to port

Alter course to port, sounding two short blasts on the whistle.
Alter course to starboard, sounding one short blasts on the whistle.
Maintain course and speed and continue to monitor the situation.
Maintain course and speed.
The vessel is sighted 50° abaft the port beam, distance off determined by radar is 2 miles. TCPA 8 minutes. Risk of collision or a close quarter situation is developing. Which two actions may the OOW take?

Vessel sighted 50° abaft

Alter course to starboard, sounding one short blasts on the whistle.
Sound five short and rapid blasts on the ship’s whistle.
Alter course to port, sounding two short blasts on the whistle.
Maintain course and speed, continuing to monitor the situation.
On this radar screen in a North Up, true motion display. Range is set to 6 nm and the vessel is navigating in restricted visibility of less than 500 metres. The vectors shown are true vectors and set to 12 minutes length. What action may the OOW take?

Radar screen in North Up

Make a bold alteration of course to starboard, and sound one short blast.
Establish if risk of collision exists or a close quarter situation is developing.
Make a bold alteration of course to port.
Maintain course and speed, continue to monitor the situation.
What to the Rules tell OOW to do?

Special vessel light (green)

Keep out of the way of the other vessel.
Maintain course and speed, continue to monitor the situation.
Slow down.
Altcourse to starboard, sounding one short blast on the whistle.
Sighted 30° to starboard. What action must the OOW take?

Vessel sighted in binoculars

Determine if risk of collision or a close quarter situation is developing.
Increase speed.
Sound five or more short and rapid blasts on the ship’s whistle.
Alter course to port.
Sighted 30° on the starboard bow, risk of collision or a close quarter situation is developing. What action should the OOW take?

Special lights on the vessel

Bold alteration to starboard, sounding one short blast on the ship’s whistle and may add a light signal of one short flash.
Bold alteration to port, sounding one short blast on the ship’s whistle and may add a light signal of one short flash.
Bold alteration to starboard, sounding two short blasts on the ship’s whistle and may add a light signal of two short flashes.
Sound five or more short and rapid blasts on the ship’s whistle and maintain course and speed.
The vessel is sighted right ahead, distance off determined by radar is 3 miles. What action should the OOW take?

Special lights on the vessel (red)

Alter course to starboard, sounding one short blast on the whistle.
Alter course to port, sounding one short blast on the whistle.
Maintain course and speed, continue to monitor the situation.
Sound five or more short and rapid blasts on the ship’s whistle.
Sighted 90° on port bow, distance off determined by radar is 2 miles. Risk of collision or a close quarter situation is developing. Which two actions may the OOW take?

Vessel sighted on port bow

Bold alteration to starboard, sounding one short blast on the ship’s whistle and may add a light signal of one short flash.
Sound five short and rapid blasts on the ship’s whistle.
Maintain course and speed, continue to monitor the situation.
Bold alteration to starboard, sounding two short blasts on the ship’s whistle and may add a light signal of two short flashes.
Sighted 30° on port bow, distance off determined by radar is 5 miles. Risk of collision or a close quarter situation is developing. What action should the OOW take?

Vessel sighted 30° on port bow

Maintain course and speed, continue to monitor the situation.
Bold alteration to starboard, sounding one short blast on the ship’s whistle and may add a light signal of one short flash.
Increase ships speed to maintain course and sound five short and rapid blasts on the ship’s whistle.
Bold alteration to starboard, sounding two short blasts on the ship’s whistle and may add a light signal of two short flashes.
Sighted abeam to starboard, distance off determined by radar is 2 miles. What action may the OOW take?

Cruise ship sighted

Bold alteration to starboard, sounding one short blast on the ship’s whistle and may add a light signal of one short flash.
Bold alteration to port, sounding one short blast on the ship’s whistle and may add a light signal of one short flash.
Increase speed.
Sound five or more short and rapid blasts on the ship’s whistle and maintain course and speed.
Your vessel is within a TSS. The vessel is sighted 20° to starboard, distance off is less than 4 miles. TCPA 30 minutes. Risk of collision determined to exist. What action may the OOW take?
Maintain course and speed, continue to monitor the situation.
Alter course to starboard, sounding one short blast on the ship’s whistle.
Maintain course and speed.
Alter course to port, sounding two short blasts on the ship’s whistle.
On this radar screen in a North Up, true motion display. Range is set to 6 nm and the vessel is navigating in restricted visibility of less than 500 metres. The vectors shown are true vectors and set to 12 minutes length. What action may the OOW take?

Показания радара

Maintain course and speed, continuing to monitor the situation.
Commence sounding the fog signal.
Make a bold alteration of course to starboard, and sound one short blast.
Make a bold alteration of course to port.
On this radar screen in a North Up, relative motion display. Range is set to 6 nm and the vessel is navigating in restricted visibility of less than 500 metres. The vectors shown are relative vectors and set to 12 minutes length. What action may the OOW take?

Показания радара 2

Make a bold reduction in speed, and stop if considered required.
Sound five short and rapid blasts on the ship’s whistle.
Make a bold alteration of course to starboard, and sound one short blast.
Maintain course and speed.
On this radar screen in a North Up, relative motion display. Range is set to 6 nm and the vessel is navigating in restricted visibility of less than 500 metres. The vectors shown are relative vectors and set to 12 minutes length. What action may the OOW take?

Показания радара 3

Slow down slightly.
Maintain course and speed.
Sound five short and rapid blasts on the ship’s whistle.
Make a bold alteration of course to starboard.
The vessel is sighted 30° abaft the port beam, distance off determined by radar is 2 miles, TCPA 16 minutes. Risk of collision or a close quarter situation is developing. What action should the OOW take?

Опозновательные огни 1

Sound five or more short and rapid blast on the ship’s whistle. This may be accompanied by a light signal of five or more short and rapid flashes
Maintain course and speed, continuing to monitor the situation
Alter course to starboard, sounding one short blast on the whistle
Alter course to port, sounding two short blasts on the whistle
Sighted abeam to starboard, distance of 2 miles, risk of collision exists. What action may the OOW take?
Increase speed.
Bold alteration to port, sounding one short blast on the ship’s whistle and may add a light signal of one short flash
Sound five or more short and rapid blasts on the ship’s whistle and maintain course and speed
Bold alteration to starboard, sounding one short blast on the ship’s whistle and may add a light signal of one short flash.
Sighted 80° to starboard, distance of 1 mile, risk of collision exists. What action may the OOW take?

Показания радара 6

Bold alteration to port, sounding two short blasts on the ship’s whistle and may add a light signal of one short flash.
Sound five or more short and rapid blasts on the ship’s whistle and maintain course and speed.
Bold alteration to starboard, sounding two short blasts on the ship’s whistle and may add a light signal of two short flashes.
Make a large reduction in speed.
On this radar screen in a North Up, relative motion display. Range is set to 6 nm and the vessel is navigating in restricted visibility of less than 500 metres. The vectors shown are relative vectors and set to 12 minutes length. What two actions may the OOW take?

Показания радара 7

Make a bold alteration of course to starboard, and sound one short blast
Make a bold alteration of course to starboard
Slow down and if required stop
Sound five short and rapid blasts on the ship’s whistle
The vessel is sighted 30° on the port bow, distance off determined by radar is 4 miles. Risk of collision or a close quarter situation is developing. Which two actions from the following options may the OOW take?
Alter course to port, sounding two short blasts on the whistle
Alter course to starboard, sounding one short blast on the whistle
Maintain course and speed, continuing to monitor the situation
Establish if risk of collision exists, and or a close quarter situation is developing
The vessel is sighted 30° abaft the port beam, distance less than 1 mile, CPA 0,1 mile, TCPA 4 minutes. What action should OOW take?

Показания радара 9

Alter course to starboard, sounding one short blast on the whistle.
Establish if risk o f collision exists, and or a close quarter situation is developing.
Maintain course and speed, continuing to m onitor the situation.
Alter course to port, sounding two short blasts on the whistle.
The vessel is sighted right ahead, distance off determined by radar is 2 miles. What action should the OOW take?

Показания радара 11

Alter course to port, and sound two short blasts on the whistle.
Alter course to starboard, sounding one short blast on the whistle.
Maintain course and speed, continuing to monitor the situation.
Sound five short and rapid blast on the ship’s whistle and maintain course and speed.
Sighted 60° on port bow, distance off determined by radar is 1 mile. Risk of collision or a close quarter situation is developing. What action should the OOW take?
Sound five or more short and rapid blast on the ship’s whistle. This may be accompanied by a light signal of five or more short and rapid flashes .
Bold alteration to starboard, sounding two short blasts on the ship’s whistle and may add a light signal of two short flashes .
Bold alteration to starboard, sounding one short blast on the ship’s whistle and may add a light signal of one short flash .
Increase ships speed to maintain course and sound five short and rapid blasts on the ship’s whistle.
The vessel is sighted 30° on the port bow, distance off determined by radar is 4 miles. Risk of collision or a close quarter situation is developing. Which two actions from the following options may the OOW take?
Establish if risk of collision exists, and or a close quarter situation is developing.
Maintain course and speed, continuing to monitor the situation.
Alter course to port, sounding two short blasts on the whistle.
Alter course to starboard, sounding one short blast on the whistle.
The vessel is sighted 30° to starboard, range 9 miles. What action should the OOW take?

Показания радара 04

Maintain course and speed and continue to monitor the situation.
Alter course to starboard, sounding one short blast on the whistle.
Alter course to starboard, sounding two short blasts on the whistle.
Alter course to port, sounding one short blast on the whistle.
The vessel is sighted directly astern, range 6 miles. What action should the OOW take?

Показания радара 042

Maintain course and speed and continue to monitor the situation.
Alter course to starboard, sounding two short blasts on the whistle.
Alter course to port, sounding 5 short blasts on the whistle.
Alter course to port, sounding one short blast on the whistle.
On this radar screen in a North Up, relative motion display. Range is set to 6 nm and the vessel is navigating in restricted visibility of less than 500 metres. The vectors shown are relative vectors and set to 12 minutes length. What action may the OOW take?

Показания радара 00

Make a bold alteration of course to port, large enough to be apparent to a vessel observing by radar, of 180° .
Sound five short and rapid blasts on the ship’s whistle.
Make a bold alteration of course to starboard, and sound one short blast.
Maintain course and speed, continuing to monitor the situation.
30° on port bow, distance off determined by radar is 2 miles. Risk of collision or a close quarter situation is developing. What action should the OOW take?
Sound five or more short and rapid blast on the ship’s whistle. This may be accompanied by a light signal of five or more short and rapid flashes.
Increase ships speed to maintain course and sound five short and rapid blasts on the ship’s whistle.
Maintain course and speed, continuing to monitor the situation.
Bold alteration to port, sounding two short blasts on the ship’s whistle, which may be accompanied by a light signal of two short flashes.
The vessel is sighted dead ahead, distance off is less than 2 miles. Which two actions from the following options may the OOW take?
Alter course to starboard, sounding one short blast on the whistle.
Alter course to port, and sound two short blasts on the whistle.
Sound five or more short and rapid blasts on the ship’s whistle.
Maintain course and speed, continuing to monitor the situation.
The vessel is sighted 20° to port, distance off is 2 miles. Risk of collision has been determined to exist. What action may the OOW take?

Показания радара 44

Maintain course and speed, sounding five or more short and rapid blasts on the ship’s whistle.
Maintain course and speed, continuing to monitor the situation.
Alter course to port, sounding two short blasts on the whistle.
Alter course to starboard, sounding one short blast on the whistle.
Sighted 90° on port bow, distance off determined by radar is 2 miles. Risk of collision or a close quarter situation is developing. Which two actions from the following options may the OOW take?
Sound five short and rapid blasts on the ship’s whistle.
Maintain course and speed, continuing to monitor the situation.
Bold alteration to starboard, sounding one short blast on the ship’s whistle and may add a light signal of one short flash.
Bold alteration to starboard, sounding two short blasts on the ship’s whistle and may add a light signal of two short flashes.
The following table shows target data displayed on a north up, stabilised ARPA radar for the target echo indicated on the radar screen. The vessel is navigating in restricted visibility of less than 500 metres, own vessel course steered 040° speed 12,0 knots. What action should the OOW take?

Два показания радара

Slow down significantly or stop.
Start sounding fog signals.
Make a bold alteration of course to port.
Maintain course and speed, continuing to monitor the situation.
What to the Rules tell OOW to do?

Показания радара 45

Keep out of the way of the other vessel.
Maintain course and speed, continuing to monitor the situation.
Slow down.
Altcourse to starboard, sounding one short blast on the whistle.
Sighted at long range 80° on the starboard bow, risk of collision or a close quarter situation is developing. What action should the OOW take?
Bold alteration to starboard, sounding one short blast on the ship’s whistle and may add a light signal of one short flash.
Sound five or more short and rapid blasts on the ship’s whistle and maintain course and speed.
Bold alteration to port, sounding one short blast on the ship’s whistle and may add a light signal of one short flash.
Maintain course and speed, continuing to monitor the situation.
Your vessel is within a TSS. The vessel is sighted 40° abaft the port beam, distance off is less than 2 miles, TCPA 13 minutes. Risk of collision has been determined to exist. What action may the OOW take?
Maintain course and speed, sounding five or more short and rapid blasts on the ship’s whistle.
Maintain course and speed, continuing to monitor the situation.
Alter course to port, sounding two short blasts on the whistle.
Alter course to starboard, sounding one short blast on the whistle.
The vessel is sighted 50° abaft the port beam, distance off determined by radar is 3 miles, TCPA 47 minutes. Risk of collision or a close quarter situation is developing. What action should the OOW take?

Показания радара 03

Maintain course and speed, continuing to monitor the situation.
Alter course to port, sounding two short blasts on the whistle.
Establish if risk of collision exists, and or a close quarter situation is developing.
Alter course to starboard, sounding one short blast on the whistle.
The vessel is sighted dead ahead. What action should the OOW take?

Показания радара 54

Alter course to starboard, sounding one short blast on the whistle.
Maintain course and speed.
Alter course to starboard, sounding two short blasts on the whistle.
Alter course to port, sounding one short blast on the whistle.
The vessel is sighted right ahead, distance off determined by radar is 3 miles. What action should the OOW take?

Показания радара 53

Alter course to starboard, sounding one short blast on the whistle.
Alter course to port, and sound one short blast on the whistle.
Maintain course and speed, continuing to monitor the situation.
Sound five or more short and rapid blasts on the ship’s whistle.
Your vessel is within a TSS. The vessel is sighted 40° abaft the starboard beam, distance off is less than 1 mile, TCPA 7 minutes. Risk of collision has been determined to exist. There is another power driven vessel directly astern of you following the TSS. What action may the OOW take?
Alter course to port, sounding two short blasts on the whistle.
Maintain course and speed, continuing to monitor the situation.
Maintain course and speed.
Alter course to starboard, sounding one short blast on the whistle.
Your vessel is within a TSS. The vessel is sighted 20° to starboard, distance off is more than 4 miles, TCPA 30 minutes. Risk of collision has been determined to exist. What action may the OOW take?
Maintain course and speed, continuing to monitor the situation.
Alter course to starboard, sounding one short blast on the whistle.
Alter course to port, sounding two short blasts on the whistle.
Maintain course and speed.
Sighted 30° on port bow, distance off determined by radar is 1 mile. Risk of collision or a close quarter situation is developing and the vessel is continuing to get closer. What action should the OOW take?

Показания радара

Bold alteration to starboard, sounding one short blast on the ship’s whistle and may add a light signal of one short flash.
Increase ships speed to maintain course and sound five short and rapid blasts on the ship’s whistle.
Maintain course and speed, continuing to monitor the situation.
Bold alteration to starboard, sounding two short blasts on the ship’s whistle and may add a light signal of two short flashes.

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Март, 13, 2024 1057 0
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