Rules of the Road Part C and D Flashcards
When shall these rules concerning lights be complied with?
Rule 20 - Application
All weather and from sunset to sunrise and sunrise to sunset in restricted visibility (Rule 20 - Application)
What is the arc of the horizon of a masthead light?
Rule 21 - Definitions
225° (Rule 21 - Definitions)
What is the arc of the horizon of sidelights?
Rule 21 - Definitions
112.5° (Rule 21 - Definitions)
What colour is a towing light?
Rule 21 - Definitions
Yellow (Rule 21 - Definitions)
What frequency must flashing lights have?
Rule 21 - Definitions
120 flashes or more per minute (Rule 21 - Definitions)
What are the visibility of lights in vessels of 50 m or more in length?
(Rule 22 - Visibility of lights)
Masthead light - 6 miles Sidelights - 3 miles Sternlight - 3 miles Towing light - 3 miles All-round light - 3 miles (Rule 22 - Visibility of lights)
What are the visibility of lights in vessels of 12 m or more in length but less than 50 m?
(Rule 22 - Visibility of lights)
Masthead light - 5 miles, 3 miles when vessel is less than 20 m in length Sidelights - 2 miles Sternlight - 2 miles Towing light - 2 miles All-round light - 2 miles (Rule 22 - Visibility of lights)
What are the visibility of lights in vessels of less than 12 m in length?
(Rule 22 - Visibility of lights)
Masthead light - 2 miles Sidelights - 1 miles Sternlight - 2 miles Towing light - 2 miles All-round light - 2 miles (Rule 22 - Visibility of lights)
What lights shall a power driven vessel exhibit?
Rule 23 - Power-driven vessels underway
A masthead light forward
A second masthead light, abaft of and higher than the forward one
Sidelights
A sternlight
(Rule 23 - Power-driven vessels underway)
In addition to paragraph (a) of Rule 23, what else shall an air-cushion vessel exhibit?
(Rule 23 - Power-driven vessels underway)
All-round flashing yellow light (Rule 23 - Power-driven vessels underway)
In addition to paragraph (a) of Rule 23, what else shall an WIG craft exhibit?
(Rule 23 - Power-driven vessels underway)
A high-intensity all-round flashing red light (Rule 23 - Power-driven vessels underway)
What shall a power-driven vessel of less than 12 m in length exhibit?
(Rule 23 - Power-driven vessels underway)
An all-round white light and sidelights (Rule 23 - Power-driven vessels underway)
What shall a power-driven vessel of less than 7 m in length and whose speed does not exceed 7 knots exhibit?
(Rule 23 - Power-driven vessels underway)
An all-round white light and if practicable sidelights (Rule 23 - Power-driven vessels underway)
What shall a power-driven vessel when towing exhibit?
Rule 24 - Towing and Pushing
Two masthead lights in a vertical line, three if the tow exceeds 200 m
Sidelights
A sternlight
A towing light in a vertical line above the sternlight
A diamond shape if the tow exceeds 200 m in length
(Rule 24 - Towing and Pushing)
What shape shall be exhibited if the length of a tow exceeds 200 m?
(Rule 24 - Towing and Pushing)
A diamond shape (Rule 24 - Towing and Pushing)
What shall a power-driven vessel when pushing ahead or towing alongside exhibit?
(Rule 24 - Towing and Pushing)
Two masthead lights in a vertical line
Sidelights
A sternlight
(Rule 24 - Towing and Pushing)
What shall a vessel or object being towed exhibit?
Rule 24 - Towing and Pushing
Sidelights
A sternlight
A diamond shape when the length of the tow exceeds 200 m
(Rule 24 - Towing and Pushing)
What shall an inconspicuous, partly submerged vessel or object being towed exhibit?
(Rule 24 - Towing and Pushing)
If less than 25 m in breadth, one all-round white light at the forward end and one all-round white light at the after end
If it is more than 25 m in breadth, two additional all-round white lights at the extremities of its breadth
If it exceeds 100 m in length, additional all-round white lights between the lights so the distance between the lights does not exceed 100 m
A diamond shape at the aftermost extremity of the last vessel or object and an additional diamond shape if the length of tow exceeds 200 m
(Rule 24 - Towing and Pushing)
What shall a sailing vessel underway exhibit?
Rule 25 - Sailing vessels underway and vessels under oars
Sidelights and a sternlight (Rule 25 - Sailing vessels underway and vessels under oars)
What length must a sailing vessel be to combine it’s lights into one lantern?
(Rule 25 - Sailing vessels underway and vessels under oars)
Less than 20 m (Rule 25 - Sailing vessels underway and vessels under oars)
What shall a sailing vessel of less than 7 m in length do if its impracticable to exhibit the lights as per Rule 25 (a) and (b)?
(Rule 25 - Sailing vessels underway and vessels under oars)
Have an electric torch or lighted lantern showing a white light ready at hand which can be exhibited in enough time to prevent collision (Rule 25 - Sailing vessels underway and vessels under oars)
What shall a vessel under oars do if its impracticable to exhibit the lights as per Rule 25 (a) and (b)?
(Rule 25 - Sailing vessels underway and vessels under oars)
Have an electric torch or lighted lantern showing a white light ready at hand which can be exhibited in enough time to prevent collision (Rule 25 - Sailing vessels underway and vessels under oars)
What does it mean if a vessel is exhibiting a conical shape with apex downwards?
(Rule 25 - Sailing vessels underway and vessels under oars)
A vessel proceeding under sail when also being propelled by machinery (Rule 25 - Sailing vessels underway and vessels under oars)
What is meant by trawling?
Rule 26 - Fishing Vessels
A vessel dragging a dredge net or other apparatus through the water to be used as a fishing appliance (Rule 26 - Fishing Vessels)
What shall a vessel engaged in trawling exhibit?
Rule 26 - Fishing Vessels
Two all-round lights in a vertical line, the upper being green and the lower white or a shape consisting of two cones with their apexes together in a vertical line
A masthead light abaft of and higher than the all-round green light
When underway, sidelights and a sternlight
(Rule 26 - Fishing Vessels)
What shall a vessel engaged in fishing, other than trawling exhibit?
(Rule 26 - Fishing Vessels)
Two all-round lights in a vertical line, the upper being red and the lower white or a shape consisting of two cones with their apexes together in a vertical line
When there is outlying gear extending more than 100 m horizontally from the vessel, an all round white light or a cone apex upwards in the direction of the gear
When underway, sidelights and a sternlight
(Rule 26 - Fishing Vessels)
What shall a vessel not under command exhibit?
Rule 27 - Vessels not under command or restricted in their ability to manoeuvre
Two all-round red lights in a vertical line
Two balls in a vertical line
When underway, sidelights and a sternlight
(Rule 27 - Vessels not under command or restricted in their ability to manoeuvre)
What shall a vessel restricted in her ability to manoeuvre, except a vessel engaged in mine clearance operations, exhibit?
(Rule 27 - Vessels not under command or restricted in their ability to manoeuvre)
Three all-round lights in a vertical line, the highest and lowest of these shall be red and the middle shall be white
Three shapes in a vertical line, the highest and lowest of these shall be balls and the middle shall be a diamond
When underway, a masthead light, sidelights and a sternlight
When at anchor, the lights or shapes in Rule 30 should be followed
(Rule 27 - Vessels not under command or restricted in their ability to manoeuvre)
What shall a vessel engaged in dredging or underwater operations exhibit?
(Rule 27 - Vessels not under command or restricted in their ability to manoeuvre)
Lights and shapes prescribed in paragraph (b) of Rule 27
Two all-round red lights or two balls in a vertical line to indicate the side on which the obstruction exists
Two all-round green lights or two diamonds in a vertical line to indicate the side which another vessel may pass
(Rule 27 - Vessels not under command or restricted in their ability to manoeuvre)
What shall a vessel engaged in mine clearance operations exhibit?
(Rule 27 - Vessels not under command or restricted in their ability to manoeuvre)
Lights prescribed for a PDV in Rule 23 or lights prescribed for a vessel at anchor in Rule 30
Three all-round green lights or three balls
(Rule 27 - Vessels not under command or restricted in their ability to manoeuvre)
What length vessel is not required to exhibit the lights and shapes of Rule 27?
(Rule 27 - Vessels not under command or restricted in their ability to manoeuvre)
Vessels less than 12 m in length, except vessels engaged in diving operations (Rule 27 - Vessels not under command or restricted in their ability to manoeuvre)
What shall a vessel constrained by her draught exhibit?
Rule 28 - Vessels constrained by their draught
Three all-round red lights in a vertical line or a cylinder (Rule 28 - Vessels constrained by their draught)