Lights and Dayshapes

Question 1

BOTH INTERNATIONAL & INLAND A power-driven when underway exhibits the same lights as a ______________.
Select one:

a. Pushing vessel and a vessel being pushed, when they are in a composite unit
b. Vessel towing, when not underway
c. Sailing vessel
d. Vessel towing astern

Answer 1

a. Pushing vessel and a vessel being pushed, when they are in a composite unit

Question 2

BOTH INTERNATIONAL & INLAND A power-driven vessel towing astern shall show…
Select one:

a. A towing light in a vertical line above the sternlight
b. Two towing lights in a vertical line
c. A small white light in lieu of the sternlight
d. Two towing lights in addition to the sternlight

Answer 2

a. A towing light in a vertical line above the sternlight

Question 3

BOTH INTERNATIONAL & INLAND Dayshapes must be displayed…
Select one:

a. During daylight hours in unrestricted visibility only
b. Only between 8 AM and 4 PM
c. During daylight hours in any visibility
d. Between sunset and sunrise

Answer 3

c. During daylight hours in any visibility

Question 4

BOTH INTERNATIONAL & INLAND The lights prescribed by the Rules shall be exhibited ________________________.
Select one:

a. at all times
b. from sunset to sunrise, and at no other time
c. whenever a look-out is posted
d. from sunrise to sunset in restricted visibility

Answer 4

d. from sunrise to sunset in restricted visibility

Question 5

BOTH INTERNATIONAL & INLAND A white masthead light shows through an arc of how many degrees?
Select one:

a. 90 degrees
b. 112.5 degrees
c. 360 degrees
d. 225 degrees

Answer 5

d. 225 degrees

Question 6

BOTH INTERNATIONAL & INLAND What is used to show the presence of a partly submerged object being towed?
Select one:

a. Green lights at each end of the towed object
b. A searchlight from the towing vessel in the direction of the tow
c. A triangle shape on the towed object
d. Flashing red lights at each side the object

Answer 6

b. A searchlight from the towing vessel in the direction of the tow

Question 7

BOTH INTERNATIONAL & INLAND According to the Rules, which vessel MUST show two masthead lights in a vertical line?
Select one:

a. A sailing vessel towing a small vessel astern
b. A vessel engaged in dredging
c. A power-driven vessel less than 50 meters in length with a 20-meter tow
d. A vessel not under command

Answer 7

c. A power-driven vessel less than 50 meters in length with a 20-meter tow

Question 8

Both International & Inland The use of the danger signal _____________________.

Select one:

a. Replaces directional signals
b. indicated doubt as to the other vessels actions
c. is the same as a “MAYDAY” signal
d. makes the other vessel the stand-on vessel

Answer 8

b. indicated doubt as to the other vessels actions

Question 9

BOTH INTERNATIONAL & INLAND What type of vessel or operation is indicated by a vessel showing two cones with the apexes together?
Select one:

a. Vessel trawling
b. Sailing vessel
c. Dredge
d. Mineclearing

Answer 9

a. Vessel trawling

Question 10

Both International and Inland What lights does a composite unit display?

Select one:

a. The same lights as a power-driven vessel of its length.
b. The same lights as a vessel towing by pushing ahead.
c. Only sidelights and a stern light.
d. Three white lights in a vertical line.

Answer 10

a. The same lights as a power-driven vessel of its length.

Question 11

BOTH INTERNATIONAL & INLAND A power-driven vessel “not under command” at night must show her sidelights when.
Select one:

a. At anchor
b. Making no headway
c. Moored to a buoy
d. Making headway

Answer 11

d. Making headway

Question 12

BOTH INTERNATIONAL & INLAND An all-round white light ______________.

Select one:

a. has the same characteristics as a masthead light
b. is visible for five miles
c. does not flash
d. is visible over an arc of the horizon of 360 degrees

Answer 12

d. is visible over an arc of the horizon of 360 degrees

Question 13

BOTH INTERNATIONAL & INLAND What is the minimum length of an anchored vessel which is required to show both forward and aft masthead lights?
Select one:

a. 50 meters
b. 200 meters
c. 100 meters
d. 150 meters

Answer 13

a. 50 meters

Question 14

BOTH INTERNATIONAL & INLAND A towing vessel 35 meters in length, with a tow 100 meters astern, must show a minimum of how many masthead lights?
Select one:

a. 4
b. 1
c. 2
d. 3

Answer 14

c. 2

Question 15

BOTH INTERNATIONAL & INLAND What lights must sailboats show when underway at night?
Select one:

a. Red and green sidelights and a sternlight
b. Red and green sidelights
c. One all-round white light
d. A sternlight

Answer 15

a. Red and green sidelights and a sternlight

Question 16

BOTH INTERNATIONAL & INLAND A “flashing light”, by the definition given in the rules, is a light that…
Select one:

a. Is green in color
b. Is red in color
c. Is visible over an arc of the horizon of 360 degrees
d. Flashes at regular intervals at a frequency of 120 flashes or more per minute

Answer 16

d. Flashes at regular intervals at a frequency of 120 flashes or more per minute

Question 17

BOTH INTERNATIONAL & INLAND The arc of visibility for sidelights is from right ahead to…
Select one:

a. Abeam
b. 22.5 degrees abaft the beam
c. 22.5 degrees Forward of the beam
d. 135 degrees abaft the beam

Answer 17

b. 22.5 degrees abaft the beam

Question 18

BOTH INTERNATIONAL & INLAND Which vessel may combine her sidelights and sternlight in one lantern on the fore and aft centerline of the vessel?
Select one:

a. A 16-meter sailing vessel
b. A 25-meter power-driven vessel
c. Any non-self-propelled vessel
d. A 28-meter sailing vessel

Answer 18

a. A 16-meter sailing vessel

Question 19

BOTH INTERNATIONAL & INLAND You are approaching another vessel at night. You can see both red and green sidelights and, above the level of the sidelights, three white lights in a vertical line. The vessel may be ___________________.
Select one:

a. towing a tow more than 200 meters astern
b. trawling
c. not under command
d. Underway and dredging

Answer 19

a. towing a tow more than 200 meters astern

Question 20

BOTH INTERNATIONAL & INLAND Which vessel must exhibit forward and after masthead lights when underway?
Select one:

a. A 100-meter vessel engaged in fishing
b. A 50-meter power-driven vessel
c. All of the above
d. A 200-meter sailing vessel

Answer 20

b. A 50-meter power-driven vessel