C Conduct of Vessels in Sight of One Another

Question 1

BOTH INTERNATIONAL & INLAND On open waters, a power-driven vessel shall keep out of the way of?

Reference: Rule 18(a)(iv)

Answer 1

Not Under Command (NUC); Restricted in her Ability to Maneuver (RAM); Fishing Vessel; Sailing Vessel. NOTE: A CBD would not be included within this answer because this question askes for BOTH INTERNATIONAL & INLAND and we know that a CBD is NOT recognized on Inland waters according to the Rules.

A power-driven vessel underway shall keep out of the way of: (i) NUC; (ii) a RAM; (iii) a vessel engaged in fishing; (iv) a sailing vessel.

Question 2

BOTH INTERNATIONAL & INLAND: A sailing vessel underway shall keep out of the way of a vessel A vessel not under command. TRUE or FALSE?

Refer to COLREG 18(a)(i)

Answer 2

TRUE

A sailing vessel when underway shall, so far as possible, keep out of the way of a vessel a vessel not under command.

Question 3

BOTH INTERNATIONAL & INLAND If you are on the stand-on vessel in a crossing situation, you may take action to avoid collision by your maneuver alone. When may this action be taken?

Reference: Rule 17 (a)(ii)

Answer 3

When it becomes apparent to you that the give-way vessel is not taking appropriate action

The stand-on vessel shall keep her course and speed until it becomes apparent to her that the vessel required to keep out of the way is not taking appropriate action in compliance with these Rules.

Question 4

BOTH INTERNATIONAL & INLAND: A stand-on vessel is free to maneuver in any crossing or meeting situation as it has the right-of-way. TRUE or FALSE?

Answer 4

False

Where one of two vessels is to keep out of the way the Stand-on vessel shall keep her course and speed

Question 5

BOTH INTERNATIONAL & INLAND: A vessel is overtaking when she approaches another from more than 11.25°degrees abaft the beam. TRUE or FALSE?

Refer to COLREG 13(b)

Answer 5

False

A vessel shall be deemed to be overtaking when coming up with another vessel from a direction more than 22.5 degrees abaft her beam.

Question 6

BOTH INTERNATIONAL & INLAND Your power-driven vessel is stopped and making no way, but is not in any way disabled. Another vessel is approaching you on your starboard beam. Your vessel is the give-way vessel in a crossing situation. TRUE or FALSE?

Reference: Rules 15 & 16

Answer 6

True

When two power-driven vessels are crossing so as to involve risk of collision, the vessel which has the other on her starboard side shall keep out of the way and shall, if the circumstances of the case admit, avoid crossing ahead of the other vessel.

Question 7

BOTH INTERNATIONAL & INLAND: In order for a stand-on vessel to take action in a situation, she must determine that the other vessel is restricted in her ability to maneuver. TRUE or FALSE?

Refer to COLREG 17

Answer 7

False

Where one of two vessels is to keep out of the way the Stand-on vessel shall keep her course and speed.

Question 8

BOTH INTERNATIONAL & INLAND: Every vessel which is directed by these Rules to keep out of the way of another vessel shall, if the circumstances of the case admit, avoid passing port to port. TRUE or FALSE?

Refer to COLREG 15

Answer 8

False

When two power-driven vessels are crossing so as to involve risk of collision, if the circumstances of the case admit, avoid crossing ahead of the other vessel.

Question 9

BOTH INTERNATIONAL & INLAND A vessel underway and fishing shall keep out of the way of a _____________.

Reference: Rule 18(c)(i)

Answer 9

Not Under Command (NUC); Restricted in her ability to maneuver (RAM)

A vessel engaged in fishing when underway shall, so far as possible, keep out of the way of: (i) a vessel not under command; (ii) a vessel restricted in her ability to maneuver.

Question 10

BOTH INTERNATIONAL & INLAND When two power-driven vessels are in a crossing situation, the vessel which has the other to starboard must keep out of the way if ________________________________.

Reference: Rule 15

Answer 10

The situation involves risk of collision

When two power-driven vessels are crossing so as to involve risk of collision, the vessel which has the other on her own starboard side shall keep out of the way and shall, if the circumstances of the case admit, avoid crossing ahead of the other vessel.

Question 11

BOTH INTERNATIONAL & INLAND: A vessel is overtaking when she approaches another from more than 45.0°degrees abaft the beam. TRUE or FALSE?

Refer to COLREG 13(b)

Answer 11

True

A vessel shall be deemed to be overtaking when coming up with another vessel from a direction more than 22.5 degrees abaft her beam.

Question 12

BOTH INTERNATIONAL & INLAND: The Rules permit a stand-on vessel to take action prior to being in extremis. (Extremis: When a collision cannot be avoided by the action of the give-way vessel alone) TRUE or FALSE?

Refer to COLREG 17(b)

Answer 12

True

When, from any cause, the vessel required to keep her course and speed finds herself so close that collision cannot be avoided by the action of the give-way vessel alone, she shall take such action as will best aid to avoid collision.

Question 13

BOTH INTERNATIONAL & INLAND According to the Rules, a stand-on vessel is _________________.

Reference: Rule 17 (a)(i)

Answer 13

Required to maintain course and speed in a crossing situation but may take action to avoid collision.

Where one of two vessels is to keep out of the way the other shall keep her course and speed.

Question 14

BOTH INTERNATIONAL & INLAND: When a vessel is in an overtaking situation, neither vessel is the stand-on vessel. TRUE of FALSE?

Refer to COLREG 13(a)

Answer 14

False

Notwithstanding anything contained in the Rules of Part B, Sections I and II, any vessel overtaking any other shall keep out of the way of the vessel being overtaken.

Question 15

BOTH INTERNATIONAL & INLAND: A power-driven vessel underway shall keep out of the way of a vessel restricted in her ability to maneuver. TRUE or FALSE?

Refer to COLREG 18(a)(iii)

Answer 15

True

A power-driven vessel when underway shall, so far as possible, keep out of the way of a vessel a vessel engaged in fishing.

Question 16

BOTH INTERNATIONAL & INLAND: A sailing vessel underway shall keep out of the way of a vessel restricted in her ability to maneuver. TRUE or FALSE?

Refer to COLREG 18(b)(ii)

Answer 16

True

A sailing vessel when underway shall, so far as possible, keep out of the way of a vessel a vessel restricted in her ability to maneuver.

Question 17

BOTH INTERNATIONAL & INLAND: A power-driven vessel underway shall keep out of the way of a vessel not under command. TRUE or FALSE?

Refer to COLREG 18(a)(iii)

Answer 17

True

A power-driven vessel when underway shall, so far as possible, keep out of the way of a vessel not under command.

Question 18

BOTH INTERNATIONAL & INLAND: When a vessel is in an overtaking situation, the overtaking vessel is the stand-on vessel. TRUE of FALSE?

Refer to COLREG 13(a)

Answer 18

False

Notwithstanding anything contained in the Rules of Part B, Sections I and II, any vessel overtaking any other shall keep out of the way of the vessel being overtaken.

Question 19

BOTH INTERNATIONAL & INLAND If a sailing vessel with the wind on the port side sees a sailing vessel to windward and cannot tell whether the other vessel has the wind on the port or starboard side, she shall _____________.

Reference: Rule 12(a)(iii)

Answer 19

Keep out of the way of the other vessel

If a vessel with the wind on the port side sees a vessel to windward and cannot determine with certainty whether the other vessel has the wind on the port or on the starboard side, she shall keep out of the way of the other.

Question 20

BOTH INTERNATIONAL & INLAND: When action by the give-way vessel alone will not prevent a collision the stand-on vessel in a crossing situation shall take action to avoid the other vessel. TRUE or FALSE?

Refer to COLREG 17(b)

Answer 20

True

When, from any cause, the vessel required to keep her course and speed finds herself so close that collision cannot be avoided by the action of the give-way vessel alone, she shall take such action as will best aid to avoid collision.

Question 21

BOTH INTERNATIONAL & INLAND You are in charge of a stand-on vessel in a crossing situation. The other vessel is 2.5 miles to port. You believe that risk of collision exists. You should _______________________.

Reference: Rule 17(b)

Answer 21

Take avoiding action only after giving the give-way vessel time to take action, and determining that her action is not appropriate

When, from any cause, the vessel required to keep her course and speed finds herself so close that collision cannot be avoided by the action of the give-way vessel alone, she shall take such action as will best aid to avoid collision.

Question 22

BOTH INTERNATIONAL & INLAND: A “head on” situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and both vessels sound one prolonged blast. TRUE or FALSE?

Refer to COLREG 14(b)

Answer 22

False

Such a situation shall be deemed to exist when a vessel sees the other ahead or nearly ahead and by night she could see the masthead light(s) and/or both sidelights.

Question 23

BOTH INTERNATIONAL & INLAND: When two power-driven vessels are meeting head-on and there is a risk of collision, each shall stop her engines. TRUE or FALSE?

Refer to COLREG 14(a)

Answer 23

False

When two power-driven vessels are meeting head-on so as to involve risk of collision each shall alter her course to starboard so that each shall pass on the port side of the other.

Question 24

BOTH INTERNATIONAL & INLAND You are in charge of a give-way vessel in a crossing situation. What should you NOT do in obeying the Rules?

Reference: Rule 15

Answer 24

Cross ahead of the stand-on vessel.

When two power-driven vessels are crossing so as to involve risk of collision, the vessel which has the other on her own starboard side shall keep out of the way and shall, if the circumstances of the case admit, avoid crossing ahead of the other vessel.

Question 25

BOTH INTERNATIONAL & INLAND: You are aboard the give-way vessel in a crossing situation you should NOT back your vessel in obeying the Rules. TRUE or FALSE

Refer to COLREG 16

Answer 25

False

Every vessel which is directed to keep out of the way of another vessel shall, so far as possible, take early and substantial action to keep well clear.

Question 26

BOTH INTERNATIONAL & INLAND: If it becomes necessary for a stand-on vessel to take action to avoid collision, she shall NOT, if possible, turn to starboard for a vessel on her own port side. TRUE or FALSE?

Refer to COLREG 17(c)

Answer 26

False

If the circumstances of the case admit, the Stand-on vessel shall not alter course to port for a vessel on her own port side.

Question 27

BOTH INTERNATIONAL & INLAND: You are aboard the give-way vessel in a crossing situation you should NOT slow your vessel in obeying the Rules. TRUE or FALSE?

Refer to COLREG 16

Answer 27

False

Every vessel which is directed to keep out of the way of another vessel shall, so far as possible, take early and substantial action to keep well clear.

Question 28

BOTH INTERNATIONAL & INLAND: When a vessel is in an overtaking situation, the overtaking vessel must maintain course and speed. TRUE of FALSE?

Refer to COLREG 13(a)

Answer 28

False

Notwithstanding anything contained in the Rules of Part B, Sections I and II, any vessel overtaking any other shall keep out of the way of the vessel being overtaken.

Question 29

BOTH INTERNATIONAL & INLAND: A stand-on vessel is required to sound the first passing signal in a meeting situation. TRUE or FALSE?

Refer to COLREG 17(a)(i)

Answer 29

False

Where one of two vessels is to keep out of the way the Stand-on vessel shall keep her course and speed.

Question 30

BOTH INTERNATIONAL & INLAND: The Rules permit a stand-on vessel to take action prior to being in extremis. (Extremis: When a collision cannot be avoided by the action of the give-way vessel alone) TRUE or FALSE?

Refer to COLREG 17(b)

Answer 30

True

Where one of two vessels is to keep out of the way the Stand-on vessel shall keep her course and speed.

Question 31

BOTH INTERNATIONAL & INLAND: If it becomes necessary for a stand-on vessel to take action to avoid collision, she shall NOT, if possible, decrease speed. TRUE or FALSE?

Refer to COLREG 17(c)

Answer 31

False

If the circumstances of the case admit, the Stand-on vessel shall not alter course to port for a vessel on her own port side.

Question 32

BOTH INTERNATIONAL & INLAND: In order for a stand-on vessel to take action in a situation, she must determine that the other vessel has not changed course since risk of collision was determined. TRUE or FALSE?

Refer to COLREG 17

Answer 32

False

Where one of two vessels is to keep out of the Stand-on vessel the other shall keep her course and speed.

Question 33

BOTH INTERNATIONAL & INLAND: In order for a stand-on vessel to take action in a situation, she must determine that the other vessel has sounded the danger signal. TRUE or FALSE?

Refer to COLREG 17

Answer 33

False

Where one of two vessels is to keep out of the way the Stand-on vessel shall keep her course and speed.

Question 34

BOTH INTERNATIONAL & INLAND: A “head on” situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and one sidelight and the masthead light are visible. TRUE or FALSE?

Refer to COLREG 14(b)

Answer 34

False

Such a situation shall be deemed to exist when a vessel sees the other ahead or nearly ahead and by night she could see the masthead light(s) and/or both sidelights.

Question 35

BOTH INTERNATIONAL & INLAND The Rules of the Road state that a vessel overtaking another vessel is relieved of her duty to keep clear when _____________________.

Reference: Rule 13(d)

Answer 35

She is past and clear of the other vessel

Any subsequent alteration of the bearing between the two vessels shall not relieve her of the duty of keeping clear of the overtaken vessel until she is finally past and clear.

Question 36

BOTH INTERNATIONAL & INLAND According to the Rules of the Road, a situation where a sailing vessel is OVERTAKING a power-driven vessel would require the sailing vessel to keep out of the way of the power-driven vessel. TRUE or FALSE?

Reference: Rule 13(a)

Answer 36

True

Notwithstanding anything contained in Rules 4 through 18, any vessel overtaking any other shall keep out of the way of the vessel being overtaken.

Question 37

BOTH INTERNATIONAL & INLAND: When a vessel is in an overtaking situation, the overtaking vessel must keep out of the way of the other. TRUE of FALSE?

Refer to COLREG 13(a)

Answer 37

True

Notwithstanding anything contained in the Rules of Part B, Sections I and II, any vessel overtaking any other shall keep out of the way of the vessel being overtaken.

Question 38

BOTH INTERNATIONAL & INLAND: A power-driven vessel underway shall keep out of the way of a vessel restricted in her ability to maneuver. TRUE or FALSE?

Refer to COLREG 18(a)(ii)

Answer 38

True

Question 39

BOTH INTERNATIONAL & INLAND: When two power-driven vessels are meeting head-on and there is a risk of collision, each shal back down. TRUE or FALSE?

Refer to COLREG 14(a)

Answer 39

False

When two power-driven vessels are meeting head-on so as to involve risk of collision each shall alter her course to starboard so that each shall pass on the port side of the other.

Question 40

BOTH INTERNATIONAL & INLAND A “head on” situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and…

Reference: Rule 14(b)

Answer 40

Both sidelights and masthead light(s) are visible

Such a situation shall be deemed to exist when a vessel sees the other ahead or nearly ahead and by night she could see the masthead lights of the other in a line or nearly in a line or both sidelights.

Question 41

BOTH INTERNATIONAL & INLAND Power-driven vessels are required by the Rules to keep out of the way of sailing vessels except _________________________.

Reference: Rule 13(a)

Answer 41

When the sailing vessel is overtaking

Notwithstanding anything contained in Rules 4 through 18, any vessel overtaking any other shall keep out of the way of the vessel being overtaken.

Question 42

BOTH INTERNATIONAL & INLAND: A stand-on vessel is required to maintain course and speed in a crossing situation but may take action to avoid collision. TRUE or FALSE?

Refer to COLREG 17(a)(i)

Answer 42

True

Where one of two vessels is to keep out of the way the Stand-on vessel shall keep her course and speed.

Question 43

BOTH INTERNATIONAL & INLAND: Underway at night you see the red sidelight of a vessel well off your port bow you are required to alter course to the right.TRUE or FALSE?

Refer to COLREG 15

Answer 43

False

When two power-driven vessels are crossing so as to involve risk of collision, the vessel which has the other on her own starboard side shall keep out of the way and shall, if the circumstances of the case admit, avoid crossing ahead of the other vessel.

Question 44

BOTH INTERNATIONAL & INLAND: A “head on” situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and both sidelights and masthead light(s) are visible. TRUE or FALSE?

Refer to COLREG 14(b)

Answer 44

True

Such a situation shall be deemed to exist when a vessel sees the other ahead or nearly ahead and by night she could see the masthead light(s) and/or both sidelights.

Question 45

BOTH INTERNATIONAL & INLAND While underway you sight another power-driven vessel dead-ahead showing both the red and green sidelights. The required action to take would be to…

Reference: Rule 14(b)

Answer 45

Alter your course to starboard

When two power-driven vessels are meeting on reciprocal or nearly reciprocal courses so as to involve risk of collision each shall alter her course to starboard so that each shall pass on the port side of the other.

Question 46

BOTH INTERNATIONAL & INLAND Two vessels are in an overtaking situation. Which of the lights on the overtaken vessel will the overtaking vessel see?

Answer 46

Stern light only

A vessel shall be deemed to be overtaking at night when she would be able to see only the sternlight of that vessel but neither of her sidelights.

Question 47

BOTH INTERNATIONAL & INLAND If it becomes necessary for a stand-on vessel to take action to avoid collision, she shall NOT, if possible, _________________.

Reference: Rule 17(C)

Answer 47

Turn to port for a vessel on her own port side

A power-driven vessel which takes action in a crossing situation to avoid collision with another power-driven vessel shall, if the circumstances of the case admit, not alter course to port for a vessel on her own port side.

Question 48

BOTH INTERNATIONAL & INLAND: A sailing vessel underway shall keep out of the way of a vessel not under command. TRUE or FALSE?

Refer to COLREG 18(a)(i)

Answer 48

True

A sailing vessel when underway shall, so far as possible, keep out of the way of a vessel a vessel not under command.

Question 49

BOTH INTERNATIONAL & INLAND: Every vessel which is directed by these Rules to keep out of the way of another vessel shall, if the circumstances of the case admit, avoid passing starboard to starboard. TRUE or FALSE?

Refer to COLREG 15

Answer 49

False

When two power-driven vessels are crossing so as to involve risk of collision, if the circumstances of the case admit, avoid crossing ahead of the other vessel.

Question 50

BOTH INTERNATIONAL & INLAND While operating on open water, a vessel fishing is in a crossing situation with a vessel sailing located on the fishing vessel’s starboard side. Which vessel is the stand-on vessel?

Reference: Rule 18 (b)(iii)

Answer 50

The fishing vessel because it is fishing.

A sailing vessel underway shall keep out of the way of: (i) a vessel not under command; (ii) a vessel restricted in her ability to maneuver; (iii) a vessel engaged in fishing.

Question 51

BOTH INTERNATIONAL & INLAND: Every vessel which is directed by these Rules to keep out of the way of another vessel shall, if the circumstances of the case admit, avoid crossing astern of the other. TRUE or FALSE?

Refer to COLREG 15

Answer 51

False

When two power-driven vessels are crossing so as to involve risk of collision, if the circumstances of the case admit, avoid crossing ahead of the other vessel.

Question 52

BOTH INTERNATIONAL & INLAND: You are aboard the give-way vessel in a crossing situation you should NOT Cross ahead of the stand-on vessel in obeying the Rules. TRUE or FALSE?

Refer to COLREG 15

Answer 52

True

When two power-driven vessels are crossing so as to involve risk of collision, the vessel which has the other on her own starboard side shall keep out of the way and shall, if the circumstances of the case admit, avoid crossing ahead of the other vessel.

Question 53

BOTH INTERNATIONAL & INLAND: When two power-driven vessels are meeting head-on and there is a risk of collision, each shall sound the danger signal. TRUE or FALSE?

Refer to COLREG 14(a)

Answer 53

False

When two power-driven vessels are meeting head-on so as to involve risk of collision each shall alter her course to starboard so that each shall pass on the port side of the other.

Question 54

BOTH INTERNATIONAL & INLAND: A vessel is overtaking when she approaches another from more than 0.0° degrees abaft the beam. TRUE or FALSE?

Refer to COLREG 13(b)

Answer 54

False

A vessel shall be deemed to be overtaking when coming up with another vessel from a direction more than 22.5 degrees abaft her beam.

Question 55

BOTH INTERNATIONAL & INLAND If two sailing vessels are running free with the wind on the same side, which one must keep clear of the other?

Reference: Rule 12(a)(ii)

Answer 55

The one to windward

When two sailing vessels are approaching one another, so as to involve risk of collision, the vessel which is to windward shall keep out of the way of the vessel which is to leeward.

Question 56

BOTH INTERNATIONAL & INLAND: If it becomes necessary for a stand-on vessel to take action to avoid collision, she shall NOT, if possible, increase speed. TRUE or FALSE?

Refer to COLREG 17(c)

Answer 56

False

If the circumstances of the case admit, the Stand-on vessel shall not alter course to port for a vessel on her own port side.

Question 57

BOTH INTERNATIONAL & INLAND: A stand-on vessel is required to give way in a crossing situation. TRUE or FALSE?

Refer to COLREG 17(a)(i)

Answer 57

False

Where one of two vessels is to keep out of the way the Stand-on vessel shall keep her course and speed.

Question 58

BOTH INTERNATIONAL & INLAND: Every vessel which is directed by these Rules to keep out of the way of another vessel shall, if the circumstances of the case admit, avoid crossing ahead of the other. TRUE or FALSE?

Refer to COLREG 15

Answer 58

True

When two power-driven vessels are crossing so as to involve risk of collision, if the circumstances of the case admit, avoid crossing ahead of the other vessel.

Question 59

BOTH INTERNATIONAL & INLAND: You are aboard the give-way vessel in a crossing situation you should NOT make a large course change to starboard in obeying the Rules. TRUE or FALSE?

Refer to COLREG 16

Answer 59

False

Every vessel which is directed to keep out of the way of another vessel shall, so far as possible, take early and substantial action to keep well clear.

Question 60

BOTH INTERNATIONAL & INLAND: In order for a stand-on vessel to take action in a situation, she must determine that the other vessel is not taking appropriate action. TRUE or FALSE?

Refer to COLREG 17(a)(i)(ii)

Answer 60

True

The Stand-on Vessel may take action to avoid collision by her maneuver alone, as soon as it becomes apparent to her that the vessel required to keep out of the way is not taking appropriate action in compliance with these Rules.

Question 61

BOTH INTERNATIONAL & INLAND: If it becomes necessary for a stand-on vessel to take action to avoid collision, she shall NOT, if possible, turn to port for a vessel on her own port side. TRUE or FALSE?

Refer to COLREG 17(c)

Answer 61

True

If the circumstances of the case admit, the Stand-on vessel shall not alter course to port for a vessel on her own port side.

Question 62

BOTH INTERNATIONAL & INLAND When two power-driven vessels are meeting head-on and there is a risk of collision, each vessel shall _______________________.

Reference: Colregs 14(a)

Answer 62

Alter course to starboard

When two power-driven vessels are meeting on reciprocal or nearly reciprocal courses so as to involve risk of collision each shall alter her course to starboard so that each shall pass on the port side of the other.

Question 63

BOTH INTERNATIONAL & INLAND: When two power-driven vessels are meeting head-on and there is a risk of collision, each shall alter course to starboard. TRUE or FALSE?

Refer to COLREG 14(a)

Answer 63

True

When two power-driven vessels are meeting head-on so as to involve risk of collision each shall alter her course to starboard so that each shall pass on the port side of the other.

Question 64

BOTH INTERNATIONAL & INLAND: A “head on” situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and the vessels will pass closer than half a mile. TRUE or FALSE?

Refer to COLREG 14(b)

Answer 64

False

Such a situation shall be deemed to exist when a vessel sees the other ahead or nearly ahead and by night she could see the masthead light(s) and/or both sidelights.

Question 65

BOTH INTERNATIONAL & INLAND Your power-driven vessel is underway when you sight a sailing vessel on your port bow. Which vessel is the “stand-on” vessel?

Reference: Rule 18(a)

Answer 65

The sailboat, because it is under sail.

A power-driven vessel underway shall keep out of the way of: (i) a NUC; (ii) a RAM; (iii) a vessel engaged in fishing; (iv) a sailing vessel.

Question 66

BOTH INTERNATIONAL & INLAND: A vessel is overtaking when she approaches another from more than 22.5°degrees abaft the beam. TRUE or FALSE?

Refer to COLREG 13(b)

Answer 66

True

A vessel shall be deemed to be overtaking when coming up with another vessel from a direction more than 22.5 degrees abaft her beam.