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What additional lights does a vessel contrained by its draught have to show?. Red and white lights in a vertical line. Red, white, red lights in a vertical line. Three red lights in a vertical line. Two red lights in a vertical line.

If another ship does not appear to be taking sufficient action to avoid a collision what should yo do according to the Collision Regulations?. Alter course. Sound 5 short and rapid blasts on the whistle. Call it up on VHF. Stand On.

A fishing vessel is showing a basket and a single cone apex upwards? In which direction do the nets lie?. Ahead. From the cone towards the basket. From the basket towards the cone. Astern.

You are heading west and observe a north cardinal buoy dead ahead. What action do you take?. Wait until you can see a port hand buoy. Alter course to starboard. Wait until you can see a starboard hand buoy. Alter course to port.

Power-driven vessel 'A' sees power-driven vessel 'B' as shown here at 3 miles range. What must vessel 'A' do?. Reduce speed and monitor the compass bearing of 'B'. If necessary, reduce speed or stop. Keep her course and speed and carefully watch the compass bearing of 'B'. Sound one short blast and alter course to starboard.

What kind of vessel may sound a fog signal consisting of four short blasts?. A vessel constrained by her draught. A fishing vessel. A vessel being towed. A vessel engaged on pilotage duty.

What could a vessel do to highlight a danger to another vessel, especially at night ?. Sound three short blasts on the whistle. Show a square flag and a black ball in a vertical line one over the other. Fire a rocket throwing red stars. Direct a search light in the direction of the danger.

What could be the fog signal of a vessel aground in a channel?. Four strokes on the bell, sounded in the same manner as 'four bells' to indicate time. A rapid ringing of the bell and three separate and distinct strokes on the bell immediately before and after ringing of the bell. Three distinct blasts followed by a rapid ringing of the bell. A blast of from three to five seconds on the whistle.

Which of the following is a vessel "not under command"?. A sailing vessel becalmed. A vessel engaged in underwater operations. A tug engaged in a towing operation. A power driven vessel with main engine failure.

You see a vessel displaying a black cylinder on her starboard yardarm. At night, what lights would the same vessel be showing, in addition to those for a power-driven vessel. Three all-round red lights in a vertical line. Three all-round lights in a vertical line, the upper and lower red and the middle one white. Two all-round red lights in a vertical line. Two all-round lights in a vertical line, the upper one red and the lower one white.

Referring to Annex II of the Collision Regulations; additional signals for fishing vessels in close proximity. What does the signal "one white light over one red light" mean?. I am shooting nets. My nets are fast on an obstruction. I am engaged in pair trawling. I am hauling nets.

What is a power-driven vessel?. Any vessel propelled by machinery. Any vessel propelled by an internal combustion engine. Any vessel other than a vessel propelled by sails. Any vessel which is self-propelled.

If a vessel is being towed alongside on the starboard side of the towing vessel, what lights should it show?. Sidelights only. Starboard sidelight and sternlight. Starboard sidelight only. Sidelights and sternlight.

What is the duration of a "'short blast" on the whistle?. Four seconds. Two seconds. One second. Three seconds.

In the Collision Regulations, the Government of any State can make provision for special rules allowing the use of additional whistle signals between which vessels?. All of the other options. Tugs and their tows. Warships and vessels sailing under convoy. Pilot vessels and vessels requiring pilots.

Which of the following vessels may use inshore traffic zones in all circumstances?. Vessels less than 20 metres in length and sailing vessels. All of the other options. Vessels towing which are severely restricted in their ability to manoeuvre. Vessels not under command and vessels restricted in their ability to manoeuvre.

When should a sailing vessel keep out of the way of a power driven vessel?. When both vessels are crossing. When both vessels are meeting end on. When the sailing vessel is overtaking. When the power driven vessel is overtaking.

At night, in addition to her sidelights, what else must a sailing vessel show?. A white light. A white light in the direction of an approaching vessel. Red over green masthead lights. A stern light.

You sight a vessel bearing 3 points abaft the starboard beam. Sometime later, it is bearing 3 points forward of the starboard beam. Which of the following circumstances apply?. Two vessels with the same speed and course. A vessel overtaking situation. Two power-driven vessels crossing with no risk of collision. Two power-driven vessels meeting.

What is the duration of a prolonged blast?. 4-6 seconds. 6-8 seconds. more than 8 seconds. 2-4 seconds.

When proceeding in a narrow channel, you hear a vessel astern sound two prolonged blasts followed by two short blasts. What does this signal indicate?. The other vessel intends to overtake you on your port side. The other vessel intends to follow you to port. The other vessel wishes to attract your attention. The other vessel intends to overtake you on your starboard side.

When is a vessel " UNDERWAY "?. When the main engine is running. When she is not at anchor or made fast to the shore. When she is moving through the water. When she is aground.

At night you notice, in addition to other lights, two yellow lights in a vertical line which flash alternately every second. What does this indicate?. An air cushion vehicle operating in the non-displacement mode. A towing vessel's light seen from abaft the beam. A dredger showing the side on which a vessel can pass. A fishing vessel hampered by her purse seine gear..

You have another vessel on your port bow in clear visibility, but with a moderate sea and swell. Which of the following would normally give greatest accuracy in determining if risk of collision exists?. Observation of the radar bearing and range. Observation of the compass bearing over a period of time. Observation of the radar range. Observation of the radar bearing.

When should a vessel not under command display the sternlight?. When making way through the water. When another vessel is overtaking. When underway. When unable to get out of the way of other vessels.

At sea during the day, you see a vessel displaying two black cones with their points together. What does this indicate?. A vessel engaged in a towing operation which is unable to deviate from her course. A vessel engaged in fishing. A vessel of less than 50 metres in length at anchor. A vessel aground.

When two whistles are fitted on a vessel and are placed more than 100m apart, what is the usual arrangement for giving manoeuvring and warning signals ?. They are sounded simultaneously. Only one of the whistles is sounded. The forward whistle shall sound before the after whistle. The after whistle shall sound before the forward whistle.

Your power-driven vessel is fitted with radar and is underway in poor visibility. At what speed should you proceed?. Sea speed with the engines on standby, keeping a close radar watch. A safe speed. Sea speed only if in open waters. Sea speed if there are no targets showing on the radar.

To which traffic separation schemes does Rule 10 apply?. All of the other options. Those defined on navigational charts. Those set up by local authorities. Those adopted by the International Maritime Organization.

How should a vessel cross a traffic separation lane?. On heading so that her TRACK will be as nearly as practicable at right angles to the. On a heading that will cause her to spend the LEAST TIME in the lane. At a speed and heading that will cause the least encounters with vessels within the lane. On a HEADING as nearly as practical at right angles to the direction of traffic flow.

What do these lights indicate?. A power-driven vessel of less than 12 metres in length underway. A power-driven vessel engaged in trawling. A power-driven vessel of less than 20 metres in length underway. Power-driven pilot vessel on pilotage duty and underway.

What do these lights indicate?. A vessel being towed. A pushing vessel and a vessel pushed ahead as a composite unit. A power-driven vessel underway. A power-driven vessel underway when towing and the length of the tow exceeds 200m.

In what situation would you expect a vessel to show these lights?. When on pilotage duty. When not under command. When unable to manoeuvre. When towing.

What do these lights indicate?. A power-driven vessel engaged in towing unable to deviate from her course. A vessel engaged in minesweeping. A vessel engaged in trawling using pelagic gear. A vessel engaged in underwater operations not making way through the water or at anchor.

At sea you sight a tug displaying this signal. What should you do?. Give assistance as the tug is in distress. Keep well clear as she is towing a dracone. Keep well clear as she is escorting a submersible vessel. Keep well clear as the tug is restricted in her ability to manoeuvre.

What do these lights indicate?. A power driven vessel underway. A pilot vessel at anchor. A fishing vessel stopped in the water. A fishing vessel at anchor.

What is the fog signal of this vessel?. A rapid ringing of the bell and also one short, one long and one short blast in succession. One prolonged blast followed by two short blast on the whistle. Four strokes on the bell, sounded in the same manner as 'four bells' to indicate time. A rapid ringing of the bell for about 5 seconds repeated every minute.

You are underway on a tanker and observe the lights illustrated on a steady bearing and at decreasing range on the PORT bow. What do you do?. Stand on to see if the other vessel takes any action. Maintain course and speed keeping a careful watch on the bearing of the other vessel. Alter course to STARBOARD and sound ONE short blast. Alter course to PORT and sound two short blasts.

Does this signal indicate that the vessel is... at anchor. underway, but stopped. underway and making way through the water. fishing.

The white light shown must be so fixed as to show an unbroken light over an arc of the horizon. What is the size of this arc?. 360 deg. (32 points of the compass). 112 1/2 deg. (10 points of the compass). 135 deg. (12 points of the compass). 225 deg. (20 points of the compass).

What do these lights indicate?. A vessel towing a barge. A power-driven vessel of over 50m in length. A power-driven vessel of under 50m. A dredger indicating the clear side free from obstructions.

Power-driven vessels 'A' and 'B' are in sight of one another. Which of the following statements is correct?. 'A' and 'B' should blow one blast and wait for a response before altering course. Both vessels should alter course to starboard. No whistles signals need be sounded. 'A' and 'B' should alter course to starboard, each sounding one short blast on the whistle. 'A' should blow one blast and alter course to starboard.

The lights shown indicate a vessel... towing a vessel made fast alongside. towing more than one vessel astern. towing, tow of less than 200m in length, unable to deviate from her course. towing another vessel astern, length of tow exceeding 200m.

What do these lights show?. A vessel over 50 metres in length engaged in trawling. A vessel under 50 metres in length engaged in trawling. A vessel engaged in trawling with her outlying gear extending more than 150 metres into the seaway. A vessel engaged in trawling and at anchor.

At night, you are power-driven vessel 'A' approaching power-driven vessel 'B' as shown. Occasionally you see both white masthead lights and the green side light of vessel 'B'. Which of the following is true?. Both are equally responsible for keeping clear. Vessel 'B' must keep clear of you ( vessel 'A' ). This is a case of special circumstances and I would contact 'B'. I ( vessel 'A' ) must keep clear of vessel 'B'.

What light or lights must be carried by a group of three barges in a line being pushed ahead of a tug as shown here?. Red and green sidelights at the forward end of the leading barge. Red and green sidelights at the forward end of the leading barge and white all-round light on each barge. A white all-round light at the forward end of the barge. Red and green sidelights on each barge.

In open waters, you see the lights ( shown in the picture ) right ahead at medium range. What do you do?. Keep out of the way of the other vessel. Sound two short blasts and alter course to port. Sound one short blast and alter course to starboard. Reduce speed or stop and wait for the other vessel to pass.

Which of the following is NOT a vessel restricted in her ability to manoeuvre?. A loaded VLCC navigating in a fairway. A vessel servicing a navigation buoy. A minesweeper engaged in minesweeping operations. A tanker underway refueling a warship.

What is the arc (angle) of visibility of a masthead light?. 210 degrees. 270 degrees. 180 degrees. 225 degrees.

What is the arc (angle) of visibility of a sternlight?. 135 degrees. 120 degrees. 150 degrees. 270 degrees.

When taking action to avoid collision under Rule 8, you should avoid..... a succession of small alterations of speed or course. making an alteration of course or speed too early. any reduction in speed. stopping or reversing engines.

If you hear a fog signal forward of the beam, Rule 19 states that you must...... reply with your own fog signal. attempt to make radio contact. make a substantial course alteration. reduce to minimum steerage way.

When two power driven vessels are meeting on reciprocal courses ... each shall alter course to starboard. one shall alter course to starboard. one shall alter course to port and the other to starboard. each shall alter course to port.

When two power-driven vessels, in sight of each other, are crossing so as to involve risk of collision, avoiding action must be taken by ... the vessel which has the other on her own starboard side. both vessels altering course to starboard. both vessels altering course to port. the vessel which has the other on her own port side.

A power driven vessel observes the stern light of another power-driven vessel on a steady bearing and reducing range on the port bow. Which vessel must give way?. The observed vessel. No risk of collision exists. Both masters decide. The observing vessel.

Looking straight ahead at night you observe the masthead lights and both side lights of another vessel. What action should be taken?. Each ship shall alter course to port. Each ship shall alter course to starboard. One ship shall alter course to starboard and the other to port. You stand on as the other ship will alter course.

This vessel is on a steady bearing, the range is 2 miles and reducing. What action should you take?. Five short and rapid blasts and stand on with caution. Make a substantial reduction of speed. Two short blasts and alter course to port. One short blast and alter course to starboard.

You observe this vessel - range 4 miles. What action should you take?. Sound two short blasts and alter course to port. Sound one short blast and alter course to starboard.. Maintain course and speed. Take a series of compass bearings.

At range 2 miles and steady bearing, you sounded 5 short blasts: it is apparent that the other vessel is not taking appropriate action. What should you do?. Sound one short blast and alter to starboard. Sound two short and rapid blasts and stand on with caution. Make a substantial reduction of speed. Sound five short and rapid blasts again and stand on with caution.

The range is 7 miles and constant. The bearing is steady. What action would you take?. Maintain course and speed. Take a series of compass bearings. Sound one short blast and alter course to starboard. Sound two short blasts and alter to port.

You observe this vessel on a steady bearing, range 3 miles. What action would you take?. Make a substantial reduction of speed. Sound two short blasts and alter course to port. Sound one short blast and alter course to starboard. Sound five short and rapid blasts and stand on with caution.

On nearing a bend in a narrow channel and the way ahead is obscured, you hear a prolonged blast. What should be your response?. Two prolonged blasts. One prolonged blast. One short blast. Two short blasts.

Is anchoring permitted in a narrow channel?. No. Yes, but only for a vessel which can safely navigate within such a channel. It should be avoided if at all possible. Yes, but only near the outer limit of the fairway to starboard.

When proceeding along a narrow channel a vessel should... keep to the outer limit which lies on her starboard side. keep to the side which lies on her starboard side. keep to the outer limit which lies on her port side. keep to the side which lies on her port side.

For which types of vessel should a fishing vessel not impede the passage in a narrow channel or fairway?. Any other vessels navigating within the narrow channel or fairway. A vessel which can safely navigate only within such a channel. Vessels greater than 20m. in length. Sailing vessels and vessels greater than 20m. in length.

A vessel which can only safely navigate within a narrow channel or fairway shall not be impeded by...... sailing vessels, fishing vessels, vessels less than 20m. or crossing vessels. crossing vessels. sailing vessels or vessels of less than 20 metres. sailing vessels, fishing vessels, or vessels of less than 20 metres.

What signal shall a vessel sound when nearing a bend or an area of narrow channels or fairway where other vessels may be obscured by an intervening obstruction?. Two prolonged blasts followed by two short blasts. Two short blasts. At least five short and rapid blasts. One prolonged blast.

This vessel is on a steady bearing and the range is reducing. What action would you take?. Make a substantial reduction of speed. Sound five short and rapid blasts and stand on with caution. Sound two short blasts and alter course to port. Sound one short blast and alter course to starboard.

This vessel is on a steady bearing, the range is 2 miles and reducing slowly. What action would you take?. Make a substantial reduction of speed. Sound five short and rapid blasts and stand on with caution. Sound two short blasts and alter course to port. Sound one short blast and alter course to starboard.

The bearing is steady. The range is 5 miles, reducing slowly. What action would you take?. Make a substantial reduction of speed. Sound two short blasts and alter course to port. Sound one short blast and alter course to starboard. Sound five short and rapid blasts and stand on with caution.

You observe this vessel on a steady bearing at range 3 miles. What action should you. Sound five short and rapid blasts and stand on with caution. Sound one short blast and alter course to starboard. Make a substantial reduction of speed. Sound two short blasts and alter to port.

This vessel is on a steady bearing, range 3 miles. What action would you take?. Sound five short and rapid blasts and stand on with caution. Sound one short blast and alter course to starboard. Sound two short blasts and alter course to port. Make a substantial reduction of speed.

A vessel shall, so far as is practicable, avoid crossing traffic separation lanes. But if obliged to do so shall cross the general direction of traffic flow ..... avoiding other traffic using the scheme. making good a course as nearly as practicable at right angles. on a heading as nearly as practicable at right angles. at as small an angle as practicable.

Which of the following shall not impede the passage of any vessel following a traffic lane in a traffic separation scheme?. A sailing vessel, fishing vessel or a vessel of less than 20 metres. A sailing vessel or a vessel of less than 20 metres. A vessel engaged in fishing. A crossing vessel.

In a traffic separation scheme a vessel engaged in fishing shall not impede the passage of...... a vessel of 20 metres or more following a traffic lane. a power driven vessel following a traffic lane. a vessel crossing the traffic separation scheme. any vessel following a traffic lane.

In a traffic separation scheme a vessel of less than 20m. in length or a sailing vessel shall not impede the safe passage of...... any vessel following a traffic lane. a power driven vessel following a traffic lane. a vessel crossing the traffic separation scheme. a vessel of 20m. or more following a traffic lane.

A vessel using a traffic separation scheme shall so far as practicable.... keep clear of the traffic separation line or separation zone. keep to the starboard side of the lane. avoid vessels crossing the scheme. avoid impeding the safe passage of other vessels following the lane.

Inshore traffic zones shall not be used by which of the following vessels?. Sailing vessels and vessels of less than 20m. in length. One that can safely use the appropriate lane within the T.S.S. One en route to or from a place situated within the inshore traffic zone. One that can safely use the adjacent lane within the T.S.S.

Vessels as far as possible should avoid anchoring...... in a traffic separation scheme or in areas near it's terminations. in a traffic separation zone. near the terminations of a traffic separation scheme. in a traffic separation scheme.

A vessel joining the general direction of traffic flow in a traffic separation scheme from either side shall do so...... avoiding traffic using the scheme. making a course as nearly as practicable at right angles. on a heading as nearly as practicable at right angles. at as small an angle as practicable.

A vessel not using the traffic separation scheme shall... avoid it by as wide a margin as possible. if practicable only use the inshore traffic zone. only use it to avoid immediate danger. not impede the passage of any vessel following a traffic flow.

You observe this vessel at a range of 9 miles. What action would you take?. Stand on and do not bother. Make a substantial reduction of speed. Take a series of compass bearings and radar plot. Stand on but continue to monitor.

You observe this vessel at a range of 9 miles. What action would you take?. Stand on - with caution. The other vessel should give way. Make a substantial alteration of course to port. Make a substantial alteration of course to starboard. Make a substantial reduction of speed.

You observe this vessel at a range of 9 miles. What action would you take?. Make a substantial reduction of speed. Make a substantial alteration of course to port. Stand on with caution. The other vessel should give way. Take a series of compass bearings and radar plot.

You observe this vessel at a range of 9 miles. What action would you take?. Make a substantial alteration of course to port. Take a series of compass bearings and radar plot. Make a substantial reduction of speed. Stand on with caution The other vessel should give way.

You observe this vessel at a range of 9 miles. What action would you take?. Alter course to parallel the other vessel's course. Stand on with caution. The other vessel should give way. Stand on - no risk of collision - continue to monitor. Make a substantial reduction of speed.

You observe this vessel at a range of 9 miles. What action would you take?. Stand on - no risk of collision - continue to monitor. Take a series of compass bearing and radar plot. Alter course parallel to other vessel's course. Make a substantial reduction of speed.

You observe this vessel at a range of 9 miles. What action would you take?. Stand on - no risk of collision - continue to monitor. Make a substantial reduction of speed. Stand on with caution. The other vessel should give way. Make a substantial alteration of course to port.

You observe this vessel at a range of 9 miles. What action would you take?. Stand on - no risk of collision - continue to monitor. Alter course parallel to the other vessel's course. Make a substantial reduction of speed. Take a series of compass bearings and radar plot.

You observe this vessel at a range of 9 miles. What action would you take?. Stand on - no risk of collision - continue to monitor. Stand on with caution. The other vessel should give way. Make a substantial alteration of course to port. Take a series of compass bearings and radar plot.

You observe this vessel at a range of 9 miles. What action would you take?. Stand on - no risk of collision - continue to monitor. Stand on with caution. The other vessel should give way. Take a series of compass bearings and radar plot. Alter course parallel to the other vessel's course.

You observe this vessel at a range of 9 miles. What action would you take?. Stand on with caution. The other vessel should give way. Alter course parallel to the other vessel's course. Make a substantial reduction of speed. Take a series of compass bearings and radar plot.

You observe this vessel at a range of 9 miles. What action would you take?. Stand on - no risk of collision - continue to monitor. Stand on with caution. The other vessel should give way. Make a substantial alteration of course to port. Take a series of compass bearings and radar plot.

You observe this vessel at a range of 9 miles. What action would you take?. Make a substantial alteration of course to port. Take a series of compass bearings and radar plot. Make a substantial reduction of speed. Make a substantial alteration of course to starboard.

You observe this vessel at a range of 9 miles. What action would you take?. Take a series of compass bearings and radar plot. Stand on with caution. The other vessel should give way. Make a substantial alteration of course to port. Stand on - no risk of collision - continue to monitor.

A vessel's sidelights should be positioned above the hull, but according to the Collision Regulations what is the maximum height they can be placed?. One quarter the height of the forward masthead light. Half the height of the forward masthead light. Three-quarters the height of the forward masthead light. Any height below the forward masthead light.

You observe this vessel at a range of 9 miles. What action would you take?. Stand on - no risk of collision - continue to monitor. Take a series of compass bearing and radar plot. Alter course parallel to other vessel's course. Make a substantial reduction of speed.

When a vessel of length 20m or more is required by the rules to carry two or three lights in a vertical line, what spacing is required between the lights?. Not less than 2 metres. At least 1.5 metres. Not less than 4 metres. Not less than 4.5 metres.

For a power driven vessel of 110 metres in length and 20metres beam, what is the maximum height above the hull that the forward masthead light can be carried?. 12 metres. 9 metres. 5 metres. 6 metres.

For a power driven vessel less than 30 metres in length and 5 metres beam, at what height above the hull should the mastlight be carried?. Not less than 12 metres. Not less than 6 metres. Not less than 20 metres. Not less than 9 metres.

If a vessel of length 20metres or more is required by the rules to carry two or three lights in a vertical line, at what height above the hull (except where a towing light is required) must the lowest of these be placed?. Not less than 4.5 metres. Not less than 4 metres. So it can be seen at a distance of 1000m. At least 1.5 metres.

A vessel is at anchor and displaying two anchor lights. What is the minimum vertical distance between the forward anchor light and the after anchor light?. At least 1.5 metres. Not less than 2 metres. Not less than 4.5 metres. Not less than 4 metres.

At what minimum height above the hull should the mastlight on a power driven vessel of length 60 metres and beam 9 m be carried?. 20 metres. 9 metres. 5 metres. 6 metres.

A power driven vessel engaged in towing is displaying the required lights on her aftermast. How much higher must the lowest after masthead light be above the forward masthead. Not less than 4.5 metres. Not less than 2 metres. Not less than 4 metres. Not less than 1.5 metres.

What is the minimum vertical separation of the mastlights on power driven vessels such that, in all normal conditions of trim, the afterlight will be seen over and separate from the forward light?. 5 metres. So it can be seen at 1000 metres from the stem at sea level. 6 metres. 9 metres.

At what height above the hull should the forward anchor light be placed on a vessel of 50 metres or more in length?. So it can be seen at 1000 metres from the stern at sea level. 5 metres. 6 metres. 20 metres.

What type of vessel is shown here?. A vessel constrained by draught. A vessel engaged in towing. A vessel not under command. A power driven vessel.

What is the length of the vessel shown here?. Greater than 100 metres in length. May be any length but probably 50 metres or more in length. Less than 12 metres in length. There is no indication of length.

What type of vessel is shown here?. A vessel engaged in towing. A vessel restricted in her ability to manoeuvre. A power driven vessel. A pilot vessel.

What is the arc of visibility of the mastlights shown by this vessel?. From right ahead to 22.5 degrees forward of the beam on each side. All round. From right ahead to 22.5 degrees abaft the beam on each side. From right aft to 22.5 degrees abaft the beam on each side.

What type of vessel is shown here?. A vessel not under command. A vessel constrained by draught. A vessel engaged in fishing other than a trawler. A trawler.

What is the range of the mastlight being displayed by this ship?. 2 miles. 3 miles. 5 miles. 6 miles.

What is the arc of visibility of the sidelight shown by this vessel?. From right ahead to 22.5 degrees abaft the beam on the starboard side. From right aft to 22.5 degrees abaft the beam on each side. From right ahead to 22.5 degrees abaft the beam on each side. All round.

What is the range of visibility of the sidelights shown by this ship?. 6 miles. 5 miles. 3 miles. 2 miles.

What do these three red lights indicate?. A vessel engaged in towing. A power driven vessel. A vessel constrained by draught. A vessel restricted in her ability to manoeuvre.

What is the length of the vessel shown here?. Less than 20 metres in length. No indication of length. Less than 50 metres in length. May be any length but probably 50 metres or more in length.

What is the arc of visibility of the 3 red lights shown here?. From right ahead to 22.5 degrees abaft the beam on the starboard side. From right aft to 22.5 degrees abaft the beam on each side. All round. From right ahead to 22.5 degrees abaft the beam on each side.

What is the length of the vessel shown here?. Less than 20 metres in length. Greater than 100 metres in length. Less than 12 metres in length. Less than 50 metres in length.

What is the arc of visibility of the 3 white lights shown here?. All round. From right aft to 22.5 degrees abaft the beam on each side. From right ahead to 22.5 degrees abaft the beam on the starboard side. From right ahead to 22.5 degrees abaft the beam on each side.

What is the length of the vessel shown here?. No indication of length. Less than 50 metres in length. Greater than 100 metres in length. Less than 20 metres in length.

What is the arc of visibility of the red lights shown here?. From right ahead to 22.5 degrees abaft the beam on the starboard side. From right aft to 22.5 degrees abaft the beam on each side. All round. From right ahead to 22.5 degrees abaft the beam on each side.

What is the length of the vessel shown here?. Less than 50 metres in length. Less than 12 metres in length. 7 metres or less in length. Greater than 100 metres in length.

What type of vessel is shown here?. A vessel restricted in her ability to manoeuvre. A pilot vessel. A vessel engaged in fishing other than a trawler. A trawler.

What type of vessel is shown here?. A vessel constrained by draught. A pilot vessel. A vessel restricted in her ability to manoeuvre. A vessel engaged in fishing other than a trawler.

What type of vessel is shown here?. A vessel at anchor. A vessel engaged in mine clearance. A vessel engaged in dredging or underwater operations. A sailing vessel.

What is the fog signal of this vessel?. One ( if making way ) or two ( if stopped ) prolonged blasts at intervals of 2 minutes. Four short blasts at 2 minute intervals. Rapid ringing of the bell for 5 seconds every 1 minute. Bell 5 seconds followed by gong 5 seconds every 1 minute.

What type of vessel is shown here?. A vessel engaged in fishing other than a trawler. A vessel constrained by draught. A vessel engaged in towing. A vessel not under command.

What type of vessel is shown here?. A trawler. A vessel not under command. A pilot vessel. A vessel constrained by draught.

What type of vessel is shown here?. A sailing vessel. A vessel at anchor. Vessel engaged in dredging or underwater operations. A power driven vessel.

What type of vessel is shown here?. A vessel not under command. A vessel restricted in her ability to manoeuvre. A vessel engaged in towing. A vessel constrained by draught.

What type of vessel is shown here?. A power driven vessel. A vessel engaged in fishing other than a trawler. A vessel engaged in towing. A trawler.

What type of vessel is shown here?. A vessel engaged in mine clearance. A vessel constrained by draught. A power driven vessel. A vessel at anchor.

What type of vessel is shown here?. A vessel not under command. A vessel engaged in fishing other than a trawler. A pilot vessel. A trawler.

What type of vessel is shown here?. A trawler. A vessel engaged in towing. A vessel constrained by draught. A pilot vessel.

What type of vessel is shown here?. A power driven vessel. A vessel constrained by draught. A vessel engaged in towing. A vessel restricted in her ability to manoeuvre.

What is the length of the vessel shown here?. No indication of length. May be any length but probably 50 metres or more. Less than 50 metres. Less than 20 metres.

What is this vessel's fog signal?. Ringing of the bell for 5 seconds followed by the gong for 5 seconds at intervals not exceeding one minute. As for the type of vessel shown followed by 4 short blasts. Rapid ringing of the bell for 5 seconds at intervals not exceeding one minute. One prolonged blast followed by 2 short blasts at intervals not exceeding two minutes.

What type of vessel is shown here?. A power driven vessel. A vessel not under command. A vessel constrained by draught. A vessel engaged in towing.

What type of vessel is shown here?. A trawler. A vessel engaged in fishing other than a trawler. A vessel restricted in her ability to manoeuvre. A vessel engaged in towing.

What is the length of the vessel shown here?. Less than 50 metres. No indication of length. May be of any length but probably 50 metres or more. Greater than 100 metres.

What information is given about the tow shown here?. A vessel hampered by tow - tow more than 200 metres. The tow is less than 200 metres. The tow is 200 metres or more. A vessel hampered by her tow - tow less than 200 metres.

What is the length of the vessel shown here?. 10 metres or less. Less than 12 metres. Less than 50 metres. No indication of length.

What type of vessel is shown here?. A vessel restricted in her ability to manoeuvre. A power driven vessel. A pilot vessel. A vessel constrained by draught.

What information is given about the tow shown here?. The tow is 200 metres or more. The tow is less than 200 metres. The vessel is hampered by tow - tow less than 200 metres. The vessel is hampered by tow - tow more than 200 metres.

What is the fog signal of this vessel?. Rapid ringing of the bell for 5 seconds. Ringing of bell for 5 seconds followed by the gong for 5 seconds. One prolonged blast followed by two short blasts at intervals less than or equal to 2 minutes. As for the type of vessel shown followed by 4 short blasts.

What type of vessel is shown here?. A trawler. A power driven vessel. A vessel restricted in her ability to manoeuvre. A pilot vessel.

What is the length of the vessel shown here?. No indication of length. Greater than 100 metres. Less than 12 metres. May be of any length but probably 50 metres or more.

What is the fog signal of this vessel?. One prolonged blast followed by two short blasts. One ( if making way ) or two ( if stopped ) prolonged blasts at intervals less than or equal to 2 minutes. As for the type of vessel shown followed by 4 short blasts. Rapid ringing of the bell for 5 secondsat intervals less than or equal to 2 minutes.

What type of vessel is shown here?. A trawler. A pilot vessel. A vessel not under command. A vessel constrained by her draught.

What type of vessel is shown here?. A vessel at anchor. A vessel engaged in dredging or underwater operations. A vessel constrained by draught. A sailing vessel.

What type of vessel is shown here?. A vessel not under command. A vessel engaged in mine clearance. A vessel at anchor. A power driven vessel.

What type of vessel is shown here?. A vessel engaged in towing. A vessel restricted in her ability to manoeuvre. A vessel which is aground. A vessel engaged in fishing.

What type of vessel is shown here?. A vessel constrained by draught. A vessel engaged in dredging or underwater operations. A vessel not under command. A vessel engaged in mine clearance operations.

What type of vessel is shown here?. A vessel engaged in mine clearance operations. A vessel engaged in fishing. A vessel which is aground. A vessel constrained by draught.

What type of vessel is shown here?. A vessel engaged in fishing. A vessel not under command. A vessel constrained by her draught. A vessel which is aground.

What type of vessel is shown here?. A vessel engaged in dredging underwater operations. A vessel restricted in her ability to manoeuvre. A vessel constrained by draught. A vessel engaged in mine clearance operations.

What type of vessel is shown here?. A vessel at anchor. A vessel engaged in dredging or underwater operations. A power driven vessel. A sailing vessel.

What type of vessel is shown here?. A vessel constrained by draught. A vessel which is aground. A vessel engaged in fishing. A vessel engaged in towing.

What type of vessel is shown here?. A vessel engaged in fishing. A vessel engaged in towing. A vessel constrained by draught. A vessel engaged in mine clearance operations.

What type of vessel is shown here?. A vessel which is aground. A vessel engaged in dredging or underwater operations. A vessel engaged in towing. A vessel engaged in mine clearance operations.

What does this shape indicate?. A vessel engaged in fishing. A vessel at anchor. A vessel aground. A vessel engaged in mine clearance operations.

The observed vessel sounds three short blasts. What does this mean?. I do not understand your intentions / actions. I am altering my course to starboard. I am altering my course to port. I am operating stern propulsion.

Whilst proceeding along a narrow channel the vessel astern sounds two prolonged blasts followed by one short blast. What does this mean?. I intend to overtake you on your port side. I intend to overtake you on your starboard side. I am altering my course to port. I am operating stern propulsion.

This vessel is signaling two flashes at intervals. What is the meaning of this signal?. I intend to overtake you on your starboard side. I intend to overtake you on your port side. I am altering my course to port. I do not understand your intentions / actions.

Whilst proceeding along a narrow channel, the vessel astern sounds two prolonged blasts followed by two short blasts. What does this mean?. I am altering my course to port. I intend to overtake you on your port side. I intend to overtake you on your starboard side. I am altering my course to starboard.

You intend overtaking a vessel in a narrow channel and signal your intentions. The vessel ahead sounds 5 short and rapid blasts. What does this mean?. I do not understand your intentions/actions. I am operating stern propulsion. I am altering my course to starboard. I am altering my course to port.

This vessel sounds one short blast. What does this mean?. I am altering my course to starboard. I am altering my course to port. I am operating stern propulsion. I intend to overtake you on your port side.

What signals must a vessel at anchor display?. A black ball hoisted at the bow by day and all round white lights at night. Code flag 'B' by day and a red light at night. Code flag 'A' by day and a red light at night. A large black square by day and a flashing white light at night.