121 Colregs Midterm Quiz C 70
Midterm
Questions and Answers
- 1.
You are heading due north and observed a vessel's green light on your port beam, the vessel may be heading
- A.
Northward
- B.
Southward
- C.
Eastward
- D.
Westward
Correct Answer
A. NorthwardExplanation
If you are heading due north and you observe a vessel's green light on your port beam, it means that the vessel is on your left side. Since you are heading north and the vessel's green light is on your left, it implies that the vessel is also heading northward in the same direction as you.Rate this question:
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- 2.
In restricted visibility you heard a sound signal of one long blast followed by four short blasts, what type of vessel she is
- A.
Power driven vessel
- B.
Pilot vessel
- C.
Not under command vessel
- D.
Restricted ability to maneuver vessel
Correct Answer
B. Pilot vesselExplanation
A vessel that emits one long blast followed by four short blasts is identified as a pilot vessel. Pilot vessels are used to guide larger ships through narrow or challenging waterways. The specific sound signal indicates that the vessel is engaged in pilot duties and should be given priority and cooperation by other vessels in the area.Rate this question:
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- 3.
What is the range of visibility of an inconspicuous, partly sumerged vessel being towee
- A.
1 mile
- B.
2 miles
- C.
Not required
- D.
3 miles
Correct Answer
D. 3 milesExplanation
The range of visibility of an inconspicuous, partly submerged vessel being towed is 3 miles. This means that the vessel can be seen from a distance of up to 3 miles by other vessels or observers. This is important for safety purposes, as it allows other boats to be aware of the presence of the towed vessel and take appropriate actions to avoid collisions.Rate this question:
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- 4.
What is the range of visibility of the side lights for a vessel 8 meters in lenght
- A.
3 miles
- B.
2 miles
- C.
1 mile
- D.
0.5 miles
Correct Answer
C. 1 mileExplanation
The range of visibility of the side lights for a vessel 8 meters in length is 1 mile. Side lights are navigation lights that indicate the presence and direction of a vessel to other boats. They have a specific range of visibility to ensure safe navigation and prevent collisions at sea. In this case, the side lights of a vessel that is 8 meters long can be seen from a distance of 1 mile.Rate this question:
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- 5.
You detected a vessel 22.5 degrees forward of the beam by radar in restricted visibility, what will be your best action
- A.
Reduce speed
- B.
Turn to starboard
- C.
Sound one short blast on the whistle
- D.
Maintain course and spee
Correct Answer
A. Reduce speedExplanation
In restricted visibility, detecting a vessel 22.5 degrees forward of the beam by radar indicates a potential risk of collision. The best action in this situation would be to reduce speed. By reducing speed, the vessel can gain more time to assess the situation, potentially avoid a collision, and allow other vessels to take appropriate action. This action prioritizes safety and allows for better maneuverability in the restricted visibility conditions.Rate this question:
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- 6.
What day shape is to be shown for a vessel constrained by draft making watc
- A.
Black cylinder
- B.
Three black ball in vertical
- C.
Not required, considering its making way
- D.
Two black balls in vertical
Correct Answer
A. Black cylinderExplanation
A vessel constrained by draft making way is required to display a black cylinder day shape. This day shape indicates to other vessels that the vessel has restricted maneuverability due to its draft and may not be able to easily change its course or speed. It serves as a warning to other vessels to exercise caution and give the constrained vessel enough space to navigate safely.Rate this question:
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- 7.
You are a vessel aground, what additional signal shall be sounded to distinguish you from an achored vessel
- A.
3 strikes on the gong after 3 strikes on the bell
- B.
One long blast on the whistle followed by a bell for 5 seconds
- C.
3 strikes before and after a rapid ringing of the bell
- D.
Bell for 5 seconds forward and 5 seconds by gong aft
Correct Answer
C. 3 strikes before and after a rapid ringing of the bellExplanation
When a vessel is aground, it is important to distinguish it from an anchored vessel. The additional signal that should be sounded in this situation is three strikes before and after a rapid ringing of the bell. This combination of signals helps to indicate that the vessel is in a precarious position and requires immediate attention or assistance. The rapid ringing of the bell adds urgency to the signal, alerting other vessels to the potential danger.Rate this question:
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- 8.
What are the lights to be shown by a vessel towing a barge alongside
- A.
Same as power driven vessel
- B.
Same as vessel towing of its length
- C.
Three aft masthead lights in vertical
- D.
A yellow tow light at the mast
Correct Answer
B. Same as vessel towing of its lengthExplanation
A vessel towing a barge alongside is required to display the same lights as a vessel towing another vessel of its own length. This means that it should display a white masthead light forward, a white stern light aft, and sidelights (red and green) indicating the direction of the towing vessel. These lights help other vessels to identify the towing vessel and take necessary actions to avoid collision.Rate this question:
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- 9.
What is the maximum lenght of the vessel prescribed to exhibit a combine lantern
- A.
50 meters
- B.
Less than 50 meters
- C.
20 meters
- D.
Less than 20 meters
Correct Answer
C. 20 metersExplanation
The maximum length of the vessel prescribed to exhibit a combined lantern is 20 meters. This means that any vessel that exceeds 20 meters in length is not required to have a combined lantern.Rate this question:
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- 10.
A power driven vessel whose lenght is 55 meters towing another vessel where the lenght of tow is 150 meters, count the number of lights to be shown by the towing vessel
- A.
7 lights
- B.
5 lights
- C.
6 lights
- D.
8 lights
Correct Answer
A. 7 lightsExplanation
A power driven vessel towing another vessel is required to display lights to indicate its status and length. According to the International Regulations for Preventing Collisions at Sea (COLREGS), a vessel that is 50 meters or more in length must display seven lights. Since the length of the towing vessel is 55 meters, it falls into this category and should display seven lights. Therefore, the correct answer is 7 lights.Rate this question:
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- 11.
Which of the following is not a requirement for a vessel navigating near an area of restricted visibility
- A.
She shall have her engines ready for immediate maneuver
- B.
She must sound an appropriate maneuvering signal
- C.
She must determined if risk of collision exists using the radar
- D.
She shall exhibit the appropriate light for its purpose
Correct Answer
B. She must sound an appropriate maneuvering signalExplanation
When navigating near an area of restricted visibility, a vessel is not required to sound an appropriate maneuvering signal. The other options mentioned are all requirements for a vessel navigating in such conditions.Rate this question:
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- 12.
You heard a gond sounded by a vessel at anchor, what is the lenght of the vessel using it
- A.
120 meters
- B.
70 meters
- C.
36 meters
- D.
96 meters
Correct Answer
A. 120 metersExplanation
The length of the vessel can be determined by the sound of the gong. Typically, the length of a vessel is proportional to the sound it produces. In this case, the gong sound suggests that the vessel is 120 meters long.Rate this question:
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- 13.
As officer on watch, what sound signal would be sounded if you are underway but stopped on the water
- A.
1 long blast
- B.
2 long blasts
- C.
1 short blast
- D.
1 long, 2 short blasts
Correct Answer
B. 2 long blastsExplanation
When a vessel is underway but stopped on the water, it is an indication that the vessel is not moving but still in operation. In this situation, the sound signal of 2 long blasts would be sounded. This signal is used to indicate that the vessel is not underway and is either anchored or aground. It alerts other vessels in the vicinity to be cautious and take appropriate actions to avoid a collision.Rate this question:
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- 14.
What will be the best action to take when you hear a for signal of another vessel forward of your port beam in fog
- A.
Maintain course and speed
- B.
Turn to port
- C.
Turn to starboard
- D.
Reduced speed
Correct Answer
A. Maintain course and speedExplanation
When you hear a fog signal of another vessel forward of your port beam, the best action to take is to maintain your current course and speed. This is because turning to either port or starboard could potentially put you on a collision course with the other vessel. By maintaining your course and speed, you are allowing the other vessel to determine the best action to avoid a collision based on their own observations and maneuverability. Additionally, reducing speed may not be necessary if you are confident in your ability to maintain a safe distance from the other vessel.Rate this question:
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- 15.
What is the characteristic of a yellow light
- A.
Arc of visibility is 112.5 degrees
- B.
120 or more flashes per minute
- C.
Same as stern light
- D.
White light, visible at 135 degrees
Correct Answer
C. Same as stern lightExplanation
The characteristic of a yellow light is that it is the same as a stern light.Rate this question:
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- 16.
From your radar position you are 1 mile from the other vessel and her side lights is visible, what is the approximate lenght of the vessel
- A.
Less than 12 meters
- B.
20 to 50 meters
- C.
50 meters or more
- D.
No specified lenght
Correct Answer
D. No specified lenghtExplanation
The given question states that the side lights of the other vessel are visible from your radar position, but it does not provide any information about the length of the vessel. Therefore, the answer is "no specified length" because there is no indication of the approximate length of the vessel based on the given information.Rate this question:
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- 17.
Using your binocular you observed a vessel forward of your beam showing a black cone apex up, what type of vessel she is
- A.
Power driven vessel
- B.
Sailing vessel propelled by machinery
- C.
Towing vessel
- D.
Vessel engaged in fishing
Correct Answer
D. Vessel engaged in fishingExplanation
The vessel showing a black cone apex up forward of your beam is most likely a vessel engaged in fishing. This is because displaying a black cone apex up is an internationally recognized signal for a fishing vessel.Rate this question:
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- 18.
What type of vessel exhibit a yellow light with the same characteristics as stern light in addition to the navigational lights
- A.
Tugboat
- B.
Any vessel able to tow
- C.
Power driven vessel
- D.
Non displacement craft
Correct Answer
B. Any vessel able to towExplanation
Any vessel able to tow exhibits a yellow light with the same characteristics as a stern light in addition to the navigational lights. This means that any vessel that has the capability to tow other vessels will have this specific type of light.Rate this question:
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- 19.
What is the lenght of the sailing vessel exhibiting red over green in vertical on its mast
- A.
Less than 12 meters
- B.
More than 50 meters
- C.
Less than 20 meters
- D.
Less than 50 meters
Correct Answer
B. More than 50 metersExplanation
The correct answer is "more than 50 meters". This means that the length of the sailing vessel exhibiting red over green in vertical on its mast is greater than 50 meters.Rate this question:
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- 20.
What will be the sound signal of a tugboat without a tow
- A.
One long blast followed by 2 short blasts
- B.
One long blast followed by 3 short blasts
- C.
One long blast
- D.
3 short blasts
Correct Answer
C. One long blastExplanation
A tugboat without a tow will produce a sound signal of one long blast. This signal is used to indicate that the tugboat is not towing any vessel or object.Rate this question:
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- 21.
You are a power driven vessel and towing another vessel, what lights can be seen from your stern
- A.
Yellow light
- B.
White over yellow light
- C.
Yellow light over white light
- D.
White light
Correct Answer
C. Yellow light over white lightExplanation
When a power-driven vessel is towing another vessel, it must display a yellow light over a white light at the stern. The yellow light indicates that it is a vessel engaged in towing or pushing, while the white light ensures visibility and indicates that it is a power-driven vessel. This combination of lights alerts other vessels of the towing activity and helps them navigate safely around the vessels.Rate this question:
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- 22.
You are asked by your duty officer to switch on your lights, how many lights in all will be visible if your vessel is N.U.C. underway and making way night, you are 112 meters in lenght
- A.
4 lights
- B.
5 lights
- C.
6 lights
- D.
Only the sidelights
Correct Answer
B. 5 lightsExplanation
If the vessel is N.U.C. (Not Under Command) underway and making way at night, a total of 5 lights will be visible. These lights include the red and green sidelights, the white masthead light, the white stern light, and an additional white all-round light. The additional white all-round light is required to indicate that the vessel is not under command. Therefore, the correct answer is 5 lights.Rate this question:
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- 23.
Who will display the towing diamond between the towing vessel and a vessel being towed if the tow is more than 200 meters
- A.
Both the tug and tow
- B.
The tug only
- C.
The tow only
- D.
Any of them
Correct Answer
A. Both the tug and towExplanation
Both the tug and the tow will display the towing diamond when the tow is more than 200 meters. This is because the towing diamond is a visual signal used to indicate that a vessel is engaged in towing operations. It is displayed on both the towing vessel (tug) and the vessel being towed. By displaying the towing diamond, both vessels communicate to other vessels in the area that they are involved in a towing operation and should be given a wide berth.Rate this question:
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- 24.
You are incharge of a power driven vessel in dense fog , you observed another vessel your radar with a distance of 1 mile on your starboard quarter, you should
- A.
Maintain your course and speed
- B.
Sound the danger signal
- C.
Sound one long blast
- D.
Alter course to port
Correct Answer
A. Maintain your course and speedExplanation
In dense fog, it is important to maintain course and speed to avoid any sudden changes that may lead to a collision. By maintaining course and speed, the captain can ensure that the vessel's position remains predictable to other vessels, reducing the risk of a collision. Additionally, sounding the danger signal or altering course to port may confuse other vessels and increase the chances of a collision. Therefore, the best course of action is to maintain course and speed.Rate this question:
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- 25.
You are a power driven vessel in restricted visibility underway but stopped on the water, what appropriate sound signals you should be sounded
- A.
1 long blast
- B.
2 long blasts
- C.
1 long 2 short blasts
- D.
4 short blasts
Correct Answer
B. 2 long blastsExplanation
When a power-driven vessel is underway but stopped on the water in restricted visibility, it should sound 2 long blasts as the appropriate sound signals. This signal alerts other vessels of its presence and indicates that it is not able to maneuver freely due to restricted visibility. The 2 long blasts are a standard signal for a power-driven vessel in this situation, helping to prevent collisions and ensure the safety of all vessels in the area.Rate this question:
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- 26.
Which vessel is a stand on vessel between two vessels crossing in fog and not in sight of one another
- A.
The vessel which has the other on her own starboard side
- B.
Neither vessel is the stand on vessel
- C.
The vessel which has the other on her port side
- D.
The one who hears th fog signal first
Correct Answer
B. Neither vessel is the stand on vessel -
- 27.
You are a vessel less than 12 meters in lenght navigating, what will be your lights at night
- A.
All round white mast light, side lights and stern light
- B.
All round white light on the mast
- C.
Side lights, stern light
- D.
All round white light on the mast, sidelight
Correct Answer
D. All round white light on the mast, sidelightExplanation
As a vessel less than 12 meters in length, the lights required at night would be an all-round white light on the mast and sidelights. The all-round white light on the mast helps other vessels identify the position and presence of the vessel, while the sidelights (red on the port side and green on the starboard side) indicate the direction in which the vessel is moving. The stern light is not required for vessels under 12 meters in length.Rate this question:
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- 28.
You are a power driven vessel proceeding on a safe speed in restricted visibility and found another vessel forward of your starboard beam, your best action will be
- A.
Reduce speed to gain steerage
- B.
Alter course to starboard
- C.
Maintain course and speed
- D.
Alter course to port
Correct Answer
A. Reduce speed to gain steerageExplanation
In restricted visibility, it is important to take appropriate actions to avoid collision. Reducing speed to gain steerage is the best action in this situation. By reducing speed, the vessel can have better control and maneuverability, allowing it to navigate safely and avoid any potential collision with the vessel forward of its starboard beam. This action gives the vessel more time to assess the situation and make any necessary course alterations if required.Rate this question:
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- 29.
Which vessel will exhibit only the sidelights and sternlight when underway and making way
- A.
A vessel engaged in fishing
- B.
R.A.M.
- C.
N.U.C.
- D.
P.D.V.
Correct Answer
A. A vessel engaged in fishingExplanation
A vessel engaged in fishing will exhibit only the sidelights and sternlight when underway and making way. This is because fishing vessels are considered to be restricted in their ability to maneuver, and therefore they are not required to display the masthead light. Instead, they only need to display the sidelights (red and green lights) and the sternlight (white light) to indicate their presence and direction to other vessels.Rate this question:
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- 30.
What light or lights is are visible when you are within the 22.5 degrees abaft the beam
- A.
Stern light
- B.
Masthead light and side light
- C.
Side lights and mast head light
- D.
Mast head light
Correct Answer
B. Masthead light and side lightExplanation
When you are within 22.5 degrees abaft the beam, you can see the masthead light and side light. The masthead light is a white light located at the highest point on the vessel, while the side lights are green on the starboard side and red on the port side. These lights are required to be displayed when a vessel is underway at night or in restricted visibility, and they help indicate the direction the vessel is moving to other vessels in the vicinity.Rate this question:
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- 31.
What is the maximum lenght of the vessel not required to exhibit lights and shape for vessel aground
- A.
Less than 12 meters
- B.
20 meters
- C.
More than 12 meters
- D.
11 meters
Correct Answer
D. 11 metersExplanation
Vessels that are less than 12 meters in length are not required to exhibit lights and shapes when aground. The correct answer is 11 meters, which falls within the range of vessels that are exempt from this requirement.Rate this question:
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- 32.
How long is the interval between sound signals in restricted visibility
- A.
2 seconds
- B.
Not more than 2 seconds
- C.
Not more than 2 minutes
- D.
4 to 6 minutes
Correct Answer
C. Not more than 2 minutesExplanation
In restricted visibility, such as fog or heavy rain, it is important for vessels to signal their presence to avoid collisions. The interval between sound signals is crucial in ensuring that other vessels can accurately determine the position and distance of the signaling vessel. The correct answer, "not more than 2 minutes," indicates that vessels should sound their signals at intervals of less than or equal to 2 minutes to maintain effective communication and prevent accidents in conditions of restricted visibility.Rate this question:
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- 33.
When does the light be exhibited and complied with
- A.
From sunrise to sunset
- B.
At all times
- C.
From sunset to sunrise
- D.
In all weather
Correct Answer
D. In all weatherExplanation
The correct answer is "in all weather." This means that the light should be exhibited and complied with regardless of the weather conditions. It implies that the light should be visible and functioning properly even during adverse weather conditions such as rain, fog, or snow. This is important for ensuring the safety of navigation and preventing accidents in challenging weather conditions.Rate this question:
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- 34.
Which vessel shows the same ights signal when underway or at anchor
- A.
Vessel engaged in fishing
- B.
A vessel constrain by draft
- C.
R.A.M.
- D.
N.U.C.
Correct Answer
A. Vessel engaged in fishingExplanation
The vessel engaged in fishing shows the same lights signal when underway or at anchor. This is because fishing vessels are required to display the same lights whether they are actively fishing or not, in order to indicate their presence and avoid collisions with other vessels.Rate this question:
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- 35.
A sailing vessel showing a cone apex down was observed from your port bow on a crossing situation, choose the best action to be done
- A.
Maintain course and speed as stand on vessel
- B.
Apply rule 18 for sailing vessel
- C.
Alter course to starboard as stand on vessel
- D.
Give way as she is a sailing vessel
Correct Answer
A. Maintain course and speed as stand on vesselExplanation
In a crossing situation, when a sailing vessel is showing a cone apex down, it indicates that it is the stand-on vessel according to the International Regulations for Preventing Collisions at Sea (COLREGS). As the stand-on vessel, the best action to be taken is to maintain course and speed, allowing the other vessel to take the necessary action to avoid a collision. This ensures that both vessels can safely navigate around each other while following the rules of navigation.Rate this question:
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- 36.
A sailing vessel more than 20 meters underway at night, shall exhibit the following lights
- A.
White mast head light, side lights, stern light
- B.
All round white light on its mast, side light, stern light
- C.
Red over green on the mast, side light, stern light
- D.
Red over green on the mast below the masthead light, side lights, stern light
Correct Answer
C. Red over green on the mast, side light, stern light -
- 37.
You are a vessel having a length of 27 meters, what is the range of visibility of the stern light
- A.
5 miles
- B.
3 miles
- C.
2 miles
- D.
1 mile
Correct Answer
C. 2 milesExplanation
The range of visibility of the stern light on a vessel is typically 2 miles. This means that the light can be seen by other vessels or observers up to a distance of 2 miles away. It is important for the stern light to have a sufficient range of visibility in order to ensure the safety of the vessel and to alert other vessels of its presence in low visibility conditions, such as at night or in foggy weather.Rate this question:
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- 38.
Which statement is true concerning a 100 meters power driven vessel under way at night
- A.
She must exhibit only the aft masthead light
- B.
She must exhibit the forward and aft masthead light
- C.
She must exhibit an all round white light
- D.
She must exhibit a day shape
Correct Answer
B. She must exhibit the forward and aft masthead lightExplanation
A 100 meters power driven vessel under way at night must exhibit the forward and aft masthead light. This is because according to the International Regulations for Preventing Collisions at Sea (COLREGS), power-driven vessels of this size are required to display both the forward and aft masthead lights when underway at night. These lights help to indicate the vessel's size, direction of travel, and overall presence to other vessels, ensuring safe navigation and preventing collisions.Rate this question:
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- 39.
Two vessels are approaching each other in a crossing situation in restricted visibility, which of the two is the give way vessel
- A.
Either of the two
- B.
Both of them
- C.
The vessel who has the other on her portside
- D.
The vessel who has the other on her starboard side
Correct Answer
D. The vessel who has the other on her starboard sideExplanation
In a crossing situation in restricted visibility, the vessel who has the other on her starboard side is the give way vessel. This means that the vessel approaching from the starboard side has the right of way and the other vessel must yield and take appropriate action to avoid a collision.Rate this question:
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- 40.
The lenght of your vessel is 108 meters, what is the visibility of the masthead light
- A.
1 mile
- B.
2 miles
- C.
5 miles
- D.
6 miles
Correct Answer
D. 6 milesExplanation
The visibility of the masthead light is 6 miles because it is required by maritime regulations for vessels over a certain length to have a masthead light with a visibility range of at least 6 miles. This ensures that the light is visible to other vessels from a safe distance, allowing for proper navigation and collision avoidance at sea.Rate this question:
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- 41.
A dredger at anchor at nights, should exhibit
- A.
An anchor light for vessel of her lenght
- B.
Anchor light and an all round red over white light
- C.
All round lights the highest and lowest being red, the middle white
- D.
Not required to show anchor light
Correct Answer
D. Not required to show anchor lightExplanation
A dredger at anchor at night is not required to show an anchor light. This is because an anchor light is only required for vessels of a certain length, and it is not necessary for a dredger.Rate this question:
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- 42.
What is the appropriate sound signal to be sounded by a sea plane in restricted visibility
- A.
1 long blast
- B.
1 long 2 short blasts
- C.
2 long blasts
- D.
None of the above
Correct Answer
D. None of the aboveExplanation
The appropriate sound signal to be sounded by a sea plane in restricted visibility is not mentioned in the options provided. Therefore, the correct answer is "none of the above".Rate this question:
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- 43.
What is the lenght of a vessel engaged in trawling has the option to exhibit the required a masthead light
- A.
Less than 12 meters
- B.
Less than 50 meters
- C.
Less than 20 meters
- D.
More than 20 meters but less than 50 meters
Correct Answer
B. Less than 50 metersExplanation
A vessel engaged in trawling that has the option to exhibit the required masthead light must have a length less than 50 meters.Rate this question:
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- 44.
A towing yellow light will be carried above a vessel's stern light
- A.
Only if she is towing astern
- B.
Only if the tow exceeds 200 meters
- C.
At anytime when towing
- D.
If the towing vessel is restricted her ability to maneuver
Correct Answer
C. At anytime when towingExplanation
A towing yellow light will be carried above a vessel's stern light at anytime when towing. This means that whenever a vessel is engaged in towing another vessel or object, it is required to display a yellow light above its stern light. This helps to indicate to other vessels in the vicinity that the vessel is towing and may have limited maneuverability.Rate this question:
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- 45.
At what lenght does a vessel aground not required to sound the appropriate signal for vessel aground
- A.
Less than 12 meters
- B.
More than 12 meters but less than 50 meters
- C.
Less than 7 meters
- D.
Less than 50 meters
Correct Answer
A. Less than 12 metersExplanation
According to international regulations, a vessel aground is not required to sound the appropriate signal if it is less than 12 meters in length.Rate this question:
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- 46.
A vessel exhibit lights other than those prescribed by rules as long as the additional lights
- A.
Do not interfere with the keeping of a proper look out
- B.
Do not impair the range of visibility or distinctive character of the prescribed light
- C.
Can be mistaken for the lights specified elsewhere in the rule
- D.
All of the above
Correct Answer
A. Do not interfere with the keeping of a proper look outExplanation
The correct answer is "do not interfere with the keeping of a proper look out." This means that a vessel can exhibit additional lights as long as they do not hinder the ability of the crew to maintain a proper lookout for other vessels or hazards. This is important for safety purposes to ensure that the vessel can navigate and avoid any potential collisions or accidents.Rate this question:
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- 47.
While underway by day, navigational lights must be displayed on your vessel
- A.
During all period of reduced visibility
- B.
Not necessary
- C.
Only when other vessels are in the area
- D.
At night only when vessels are detected by radar
Correct Answer
A. During all period of reduced visibilityExplanation
During periods of reduced visibility, it is important to display navigational lights on your vessel regardless of the time of day. These lights help other vessels to see and identify your boat, reducing the risk of collisions. Even during the day, if visibility is reduced due to fog, rain, or other factors, displaying navigational lights is necessary to ensure the safety of your vessel and others around you.Rate this question:
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- 48.
Which of the following best describe a sailing vessel less than 20 meters
- A.
A red over green light near the top of the mast
- B.
A red over green below the combine lantern
- C.
A side light and an all around white light on the top of mast
- D.
A combined lantern near the top of the mast
Correct Answer
D. A combined lantern near the top of the mastExplanation
A combined lantern near the top of the mast is the best description for a sailing vessel less than 20 meters. This means that the vessel has a single lantern that combines both the sidelight and the sternlight, and it is positioned near the top of the mast. This configuration is commonly used in smaller sailing vessels to meet the required lighting regulations for navigation and safety at sea.Rate this question:
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- 49.
The rules concerning anchored vessel is best explained on what rule
- A.
Rule 30
- B.
Rule 32
- C.
Rule 31
- D.
Rule 22
Correct Answer
A. Rule 30 -
- 50.
What lights should be displayed on the masthead for a pilot vessel not engaged in pilotage duty underway
- A.
An all around white masthead light
- B.
All round white light over red lights
- C.
A white mast head light
- D.
Two white lights in vertical
Correct Answer
A. An all around white masthead lightExplanation
The correct answer is an all around white masthead light. When a pilot vessel is not engaged in pilotage duty and is underway, it should display an all-around white masthead light. This light is positioned at the highest point on the vessel's mast and is visible from all directions. It helps other vessels identify the pilot vessel and determine its status as it navigates through the water.Rate this question:
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