Basic Lights & Shape

Front 1

INTERNATIONAL & INLAND - At night, you see only a single green light ahead of you. Of the vessels listed, which would it be?

 

A    A power-driven vessel not making way
B    A sailboat 
C    A vessel at anchor
D    A power-driven vessel underway

Back 1

B - A sailboat 

Rule 25(a)(i) 

Front 2

INTERNATIONAL & INLAND - You see a vessel displaying three lights in a vertical line. The highest and lowest lights are red and the middle light is white. She is also showing a white light at the stern

 

A    survey vessel
B    vessel not under command
C    vessel aground
D    pilot vessel with port side to you

Back 2

A - survey vessel 

Rule 27(b)(i) 

Front 3

INTERNATIONAL & INLAND - A 30-meter tug is underway and NOT towing. At night, this vessel must show sidelights and

 

A    one masthead light and a stern light
B    two masthead lights and a sternlight
C    three masthead lights and a sternlight
D    a sternlight only

Back 3

A - one masthead light and a stern light 

Rule 23(a)(ii) & (iv) 

Front 4

INTERNATIONAL & INLAND - Shapes, as defined by the Rules, SHALL be displayed

 

A    when in or near restricted visibility
B    from sunset to sunrise
C    between 0800 and 1600 local time
D    by day

Back 4

 D - by day 

Rule 20(d) 

Front 5

INTERNATIONAL & INLAND - Shapes, as defined by the Rules, MUST be displayed

 

A    between 0800 and 1600 local time
B    from sunset to sunrise
C    by day
D    when in or near restricted visibility

Back 5

C - by day 

Rule 20(d) 

Front 6

INTERNATIONAL & INLAND - A vessel showing a green light over a white light in a vertical line above the level of the sidelights is

 

A    engaged in underwater construction
B    under sail and power 
C    a pilot vessel
D    trawling

Back 6

D - trawling 

Rule 26(b)(i) 

Front 7

INTERNATIONAL & INLAND - You are the coxswain on a 15-meter boat and have just anchored in the fog. You MUST exhibit

 

A    one all-around white light and a flare-up light
B    two all-around white lights, one forward and one aft
C    one all-around white light where best seen
D    one all-around white light forward and a stern light

Back 7

C - one all-around white light where best seen

Rule 30(b) 

Front 8

INTERNATIONAL & INLAND - A vessel engaged in dredging SHALL indicate the unobstructed side by displaying

 

A    ball - diamond - ball in a vertical line
B    a single ball
C    two balls in a vertical line
D    two diamonds in a vertical line

Back 8

D - two diamonds in a vertical line 

Rule 7(b) 

Front 9

INTERNATIONAL & INLAND - A vessel displaying a rigid replica of the International Code flag 'A' is engaged in

 

A    dredging operations
B    fishing
C    diving operations
D    mineclearing operations

Back 9

C - diving operations 

Rule 27(e)(ii) 

Front 10

INTERNATIONAL & INLAND - A vessel that displays, at night, three all-around lights in a vertical line, Red - White - Red, would display which shape(s) by day?

 

A    Three black balls in a vertical line
B    One diamond, where best seen
C    Ball - Diamond - Ball
D    Three balls; one on the foremast and one on each yardarm

Back 10

C - Ball - Diamond - Ball

 
Rule 27(b) 

Front 11

INTERNATIONAL & INLAND - A vessel engaged in fishing, and at anchor, shall show

 

A    an anchor light
B    sidelights and a sternlight
C    three lights in a vertical line, the highest and lowest being red, and the middle being white
D    None of the above

Back 11

D - None of the above 

Rule 26(a) 

Front 12

INTERNATIONAL & INLAND - A vessel aground, displaying a shape, would display which shape below?

 

A    A single black ball
B    Three black balls in a vertical line
C    Two black balls in a vertical line
D    No shape is displayed during the day

Back 12

B - Three black balls in a vertical line

 
Rule 30(d)(ii) 

Front 13

INTERNATIONAL & INLAND - A vessel displaying a shape consisting of two black balls in a vertical line is

 

A    at anchor
B    being towed
C    not under command
D    towing, by pushing ahead

Back 13

C - not under command 

Rule 27(a)(ii) 

Front 14

INTERNATIONAL & INLAND - At night you see four lights ahead - red, over white, over red in a vertical line and, well below and slightly to the side, one white light. Of the vessels listed, which one a

 

A    A vessel engaged in pilotage duty
B    A vessel not under command
C    A vessel aground
D    A vessel engaged in underwater operations

Back 14

D - A vessel engaged in underwater operations 

Rule 27(b)(i) 

Front 15

INTERNATIONAL & INLAND - A vessel engaged in fishing at night SHALL, if her gear extends outward more than 150 meters (492 ft.), display in the direction of the gear, an all-round

 

A    yellow light
B    white light
C    red light
D    green light

Back 15

B - white light 

Rule 26 (c) (ii) 

Front 16

INTERNATIONAL & INLAND - Lights SHALL be exhibited

 

A    from sunrise to sunset
B    whenever a lookout is not posted
C    during periods of restricted visibility
D    at all times

Back 16

C - during periods of restricted visibility 

Rule 20 

Front 17

INTERNATIONAL & INLAND - The arc of visibility for sidelights is from right ahead to

 

A    22.5
B    abeam
C    22.5
D    135

Back 17

A - 22.5 

Rule 21(b) 

Front 18

INTERNATIONAL & INLAND - A sailing vessel underway at night MAY show

 

A    a green light over a red light
B    a red light over a white light
C    two white lights at the stern
D    None of the above

Back 18

D - None of the above 

Rule 25(c) 

Front 19

INTERNATIONAL & INLAND - Individual sidelights are

 

A    green on the port side
B    visible over an arc of the horizon of 112.5
C    visible over an arc of the horizon of 225
D    red on the starboard side

Back 19

B - visible over an arc of the horizon of 112.5 

Rule 21(b) 

Front 20

INTERNATIONAL & INLAND - At night, which lights would you see on a vessel engaged in fishing, other than trawling?

 

A    Two red lights, one over the other
B    A green light over a red light 
C    A red light over a white light
D    A white light over a red light

Back 20

C - A red light over a white light 

Rule 26(c)(i) 

Front 21

INTERNATIONAL & INLAND - Of the vessels listed, which one MUST exhibit both a forward and an after masthead light when making way?

 

A    A 55-meter sailing vessel
B    A 65-meter vessel engaged in fishing, other than trawling
C    A 45-meter vessel towing astern
D    A 75-meter vessel restricted in her ability to maneuver

Back 21

D - A 75-meter vessel restricted in her ability to maneuver 

Rule 23(a)(ii) 

Front 22

INTERNATIONAL & INLAND - By night, you sight the lights of a vessel engaged in underwater operations. If an obstruction exists on the port side of the vessel, it will be marked by

 

A    a floodlight
B    two red lights in a vertical line 
C    a single red light
D    any visible lights

Back 22

 B - two red lights in a vertical line 

Rule 27(d)(i) 

Front 23

INTERNATIONAL & INLAND - At night, which lights are required to be shown by a dredge on the side of the dredge which another vessel may pass?

 

A    One red light
B    Two red lights
C    One white light
D    Two green lights

Back 23

D - Two green lights 

Rule 27(d)(ii) 

Front 24

INTERNATIONAL & INLAND - Which vessel would have no white lights visible when meeting her head-on?

 

A    a vessel trawling
B    A vessel restricted in her ability to maneuver 
C    A vessel mine clearing
D    A vessel not under command

Back 24

D - A vessel not under command 

Rule 27(a) 

Front 25

INTERNATIONAL & INLAND - A vessel engaged in fishing by trawling is only required to show sidelights and a sternlight when she is

 

A    hauling nets
B    making way
C    not making way
D    drifting

Back 25

B - making way 

Rule 6(g)(iii) 

Front 26

INTERNATIONAL & INLAND - You see a vessel displaying the code flag LIMA below which is a red ball. The vessel is

 

A    trolling
B    getting ready to receive aircraft
C    aground
D    in distress

Back 26

D - in distress 

Rule 37 

Front 27

INTERNATIONAL & INLAND - A pilot vessel on pilotage duty shall show identity lights

 

A    at any time while underway
B    while at anchor
C    while alongside a vessel
D    All of the above

Back 27

D - All of the above 

Rule 29 

Front 28

INTERNATIONAL & INLAND - You see only a green light ahead. Which of the following vessels could it be?

 

A    power vessel not making way
B    vessel at anchor
C    sailing vessel
D    power boat underway

Back 28

C - sailing vessel 

Rule 25(c) 

Front 29

INTERNATIONAL & INLAND - A vessel displaying a shape consisting of two black balls in a vertical line is

 

A    not under command
B    towing, by pushing ahead
C    being towed
D    at anchor

Back 29

A - not under command 

Rule 7(a) 

Front 30

INTERNATIONAL & INLAND - A vessel at anchor SHALL display, on the forepart of the vessel where best seen

 

A    one black ball
B    two black balls in a vertical line
C    one red ball
D    a white flag with an anchor embroidered upon it

Back 30

A - one black ball 

Rule30(a)(i)