1. NAVIGATION RULES LIGHTS and SHAPES Inland COMO Lew Wargo CQEC (9ER)
01 APR 2015
NAV RULES< LIGHTS & SHAPES

2. International - Inland
REFERENCE
Navigation Rules
International - Inland
COMDTINST M (series)

3. LIGHTS AND SHAPES Navigation lights must be displayed:
A. From sunrise to sunset only
B. Only in periods of restricted visibility
C. From sunset to sunrise only
D. From sunset to sunrise and in periods of
restricted visibility

4. LIGHTS AND SHAPES Navigation lights must be displayed:
A. From sunrise to sunset only
B. Only in periods of restricted visibility
C. From sunset to sunrise only
D. From sunset to sunrise and in periods of restricted visibility

5. LIGHTS AND SHAPES
A masthead light must cover a horizontal arc of 225 degrees and be fixed to cover from dead ahead to:
A. 90 degrees to each side
B degrees abaft the beam on each side
C degrees to each side
D. None of the above

6. LIGHTS AND SHAPES
A masthead light must cover a horizontal arc of 225 degrees and be fixed to cover from dead ahead to:
A. 90 degrees to each side
B degrees abaft the beam on each side
C degrees to each side
D. None of the above

7. LIGHTS AND SHAPES A stern light:
A. Is a white light covering an arc of 180
degrees, 90 degrees to port and 90 degrees
to starboard.
B. Is a yellow light covering an arc of 135 degrees, centered dead astern.
C. A white light covering 67.5 degrees from dead aft on each side.
D. A white light covering an arc of 225 degrees,
degrees to each side from dead astern.

8. LIGHTS AND SHAPES A stern light:
A. Is a white light covering an arc of degrees, 90 degrees to port and 90 degrees to starboard.
B. Is a yellow light covering an arc of 135
degrees, centered dead astern.
C. A white light covering 67.5 degrees from dead aft on each side.
D. A white light covering an arc of 225 degrees,
degrees to each side from dead astern.

9. LIGHTS AND SHAPES A special flashing light means:
A. A yellow light flashing at an interval of 50 to 70 flashes per minute.
B. A white light flashing at 50 to 70 flashes per minute.
C. Is also called a “Public Safety” light.
D. Is used as a tow light.

10. LIGHTS AND SHAPES A special flashing light means:
A. A yellow light flashing at an interval of 50 to 70 flashes per minute.
B. A white light flashing at 50 to flashes per minute.
C. Is also called a “Public Safety” light.
D. Is used as a tow light.

11. LIGHTS AND SHAPES A “Towing light” is:
A. Two white lights mounted one over the other covering a arc of 225 degrees centered ahead.
B. A yellow light covering an arc of 225 degrees centered dead ahead.
C. A white light covering an arc of 135 degrees centered dead astern.
D. A yellow light having the same characteristics
as a stern light.

12. LIGHTS AND SHAPES A “Towing light” is:
A. Two white lights mounted one over the other covering a arc of 225 degrees centered ahead.
B. A yellow light covering an arc of 225 degrees centered dead ahead.
C. A white light covering an arc of 135 degrees centered dead astern.
D. A yellow light having the same characteristics
as a stern light.

13. LIGHTS AND SHAPES
On a vessel under 12 meters the masthead light must be visible for a range of at least:
A. 1 mile
B. 2 miles
C. 3 miles
4. 6 miles

14. LIGHTS AND SHAPES
On a vessel under 12 meters the masthead light must be visible for a range of at least:
A. 1 mile
B. 2 miles
C. 3 miles
4. 6 miles

15. LIGHTS AND SHAPES On a vessel under 12 meters:
A. Side lights must be visible for at least 1 mile
B. Side lights must be visible for at least 2 miles
C. Side lights must be visible for at least 3 miles
D. Side lights must be visible for at least 6 miles

16. LIGHTS AND SHAPES On a vessel under 12 meters:
A. Side lights must be visible for at least 1 mile
B. Side lights must be visible for at least 2 miles
C. Side lights must be visible for at least 3 miles
D. Side lights must be visible for at least 6 miles

17. LIGHTS AND SHAPES Side lights have the following characteristics:
A. Be red on the port and green on the starboard and visible from dead ahead to 135 degrees to each side.
B. Be red on the port and green on the starboard and visible from dead ahead to 90 degrees to each side.
C. Be red on the port and green on the starboard and visible from dead ahead to abaft the beam.
D. Be red on the port and green on the starboard and visible from dead ahead to to each side.

18. LIGHTS AND SHAPES Side lights have the following characteristics:
A. Be red on the port and green on the starboard and visible from dead ahead to 135 degrees to each side.
B. Be red on the port and green on the starboard and visible from dead ahead to 90 degrees to each side.
C. Be red on the port and green on the starboard and visible from dead ahead to abaft the beam.
D. Be red on the port and green on the starboard and visible from dead ahead to to each side.

19. LIGHTS AND SHAPES
What light must be displayed on an inconspicuous, partly submerged object being towed at night?
A. A white all round light visible for 1 mile
B. A white all round light visible for 3 miles
C. A yellow all round light visible for 1 mile
D. A yellow all round light visible for 3 miles

20. LIGHTS AND SHAPES
What light must be displayed on an inconspicuous, partly submerged object being towed at night?
A. A white all round light visible for 1 mile
B. A white all round light visible for 3 miles
C. A yellow all round light visible for 1 mile
D. A yellow all round light visible for 3 miles

21. LIGHTS AND SHAPES A power driven vessel of less than 50 meters
must display:
A. A masthead light, side lights and a stern light.
B. A mast head light, side lights and a special light aft.
C. Side lights and a stern light
D. A masthead and stern light

22. LIGHTS AND SHAPES A power driven vessel of less than 50 meters
must display:
A. A masthead light, side lights and a stern light.
B. A mast head light, side lights and a special light aft.
C. Side lights and a stern light
D. A masthead and stern light

23. LIGHTS AND SHAPES
What vessel would be displaying an all round white light from the stern and a combination side light?
A. A power driven vessel under 12 meters underway
B. A power driven vessel under 7 meters underway
C. A power driven vessel under 7 meters at anchor
D. A power driven vessel under 25 feet underway

24. LIGHTS AND SHAPES
What vessel would be displaying an all round white light from the stern and a combination side light?
A. A power driven vessel under 12 meters underway
B. A power driven vessel under 7 meters underway
C. A power driven vessel under 7 meters at anchor
D. A power driven vessel under 25 feet underway

25. LIGHTS AND SHAPES
What vessel may display only a white all round light at night?
A. A power driven vessel of under 7 meters whose maximum speed does not exceed 7 knots.
B. Any power driven vessel under 7 meters
C. Any power driven vessel whose maximum speed does not exceed 7 knots.
D. Any power driven vessel under 12 meters whose maximum speed does not exceed 7 knots.

26. LIGHTS AND SHAPES
What vessel may display only a white all round light at night?
A. A power driven vessel of under 7 meters
whose maximum speed does not exceed 7
knots.
B. Any power driven vessel under 7 meters
C. Any power driven vessel whose maximum speed does not exceed 7 knots.
D. Any power driven vessel under 12 meters whose maximum speed does not exceed 7 knots.

27. LIGHTS AND SHAPES A vessel engaged in towing astern must display:
A. Side lights, a masthead light, and a tow light
mounted over a stern light.
B. Side lights, a masthead light, a second white light
mounted over the stern light.
C. Side lights, 2 masthead lights (one mounted over the other) and a tow light mounted over a stern light.
D. Side lights, 2 masthead lights (one over the other), and two stern lights (one mounted over the other.

28. LIGHTS AND SHAPES A vessel engaged in towing astern must display:
A. Side lights, a masthead light, and a tow light
mounted over a stern light.
B. Side lights, a masthead light, a second white light
mounted over the stern light.
C. Side lights, 2 masthead lights (one mounted over the other) and a tow light mounted over a stern light.
D. Side lights, 2 masthead lights (one over the other), and two stern lights (one mounted over the other.

29. LIGHTS AND SHAPES A vessel pushing ahead displays:
A. Side lights, masthead and a towing light.
B. Side lights, 2 masthead lights, and a towing light.
C. Side lights, 2 masthead lights, and a stern light.
D. The same as a vessel towing astern.

30. LIGHTS AND SHAPES A vessel pushing ahead displays:
A. Side lights, masthead and a towing light.
B. Side lights, 2 masthead lights, and a 2 towing lights ( one mounted over the other).
C. Side lights, 2 masthead lights, and a stern light.
D. The same as for towing astern.

31. LIGHTS AND SHAPES A power driven vessel when pushing alongside
displays:
A. The same lighting as for towing astern.
B. The same lighting as for pushing ahead.
C. The same lighting as for towing astern except there are 3 masthead lights.
D. The same as any single vessel underway plus 2 additional masthead lights.

32. LIGHTS AND SHAPES A power driven vessel when pushing alongside
displays:
A. The same lighting as for towing astern.
B. The same lighting as for pushing ahead.
C. The same lighting as for towing astern except there are 3 masthead lights.
D. The same as any single vessel underway plus 2 additional masthead lights.

33. LIGHTS AND SHAPES
If you see a vessel approaching with 3 masthead lights, you are looking at a:
A. Tow in excess of 100 meters in overall length.
B. Tow in excess of 200 meters in overall length.
C. Tow in excess of 300 feet in overall length.
D. Tow in excess of 600 feet in overall length.

34. LIGHTS AND SHAPES
If you see a vessel approaching with 3 masthead lights, you are looking at a:
A. Tow in excess of 100 meters in overall length.
B. Tow in excess of 200 meters in overall length.
C. Tow in excess of 300 feet in overall length.
D. Tow in excess of 600 feet in overall length.

35. LIGHTS AND SHAPES A vessel being pushed ahead or alongside
shall display:
A. Side lights and a special flashing yellow light on the bow.
B. Side lights only
C. Side lights and a masthead light
D Side lights and 2 masthead lights.

36. LIGHTS AND SHAPES
A vessel being pushed ahead or alongside shall display:
A. Side lights and a special flashing yellow
light on the bow.
B. Side lights only
C. Side lights and a masthead light
D Side lights and 2 masthead lights.

37. LIGHTS AND SHAPES
An inconspicuous, party submerged object being towed shall exhibit:
A. An all-round white light on the trailing end.
B. An all-round white light at each end.
C. An all round yellow light on the trailing end.
D. An all-round yellow light at each end.

38. LIGHTS AND SHAPES
An inconspicuous, party submerged object being towed shall exhibit:
A. An all-round white light on the trailing end.
B. An all-round white light at each end.
C. An all round yellow light on the trailing end.
D. An all-round yellow light at each end.

39. LIGHTS AND SHAPES
When it is impractical for a vessel being towed to display the proper lighting for a vessel under tow:
A. The tow must stop between sunset and sunrise.
B. The tow must continuously sound its horn.
C. It must at least display a stern light.
D. Every effort shall be made to light the vessel or at least indicate the presence of the unlighted vessel or object.

40. LIGHTS AND SHAPES
When it is impractical for a vessel being towed to display the proper lighting for a vessel under tow:
A. The tow must stop between sunset and sunrise.
B. The tow must continuously sound its horn.
C. It must at least display a stern light.
D. Every effort shall be made to light the vessel or at least indicate the presence of the unlighted vessel or object.

41. LIGHTS AND SHAPES
A vessel that does not normally engage in towing, when towing a vessel in distress or in need of assistance:
A. Must not tow at night.
B. Must continuously sound the danger signal at night.
C. Must use portable tow lights.
D. Must take all possible measures to indicate the nature of the relationship between the towing and towed vessels.

42. LIGHTS AND SHAPES
A vessel that does not normally engage in towing, when towing a vessel in distress or in need of assistance:
A. Must not tow at night.
B. Must continuously sound the danger signal at night.
C. Must use portable tow lights.
D. Must take all possible measures to indicate the nature of the relationship between the towing and towed vessels.

43. LIGHTS AND SHAPES A sailing vessel must display at night:
A. The same lights as a power driven vessel of the same size.
B. Side lights only.
C. A masthead light only.
D. If under 20 meters it may display its side lights and stern light from the top of its mast.

44. LIGHTS AND SHAPES 21. A sailing vessel must display at night:
A. The same lights as a power driven vessel of the same size.
B. Side lights only.
C. A masthead light only.
D. If under 20 meters it may display its side lights and stern light from the top of its mast.

45. LIGHTS AND SHAPES
22. A sail boat operating under sail only may display:
A. Two all-round lights near the top of the mast with the top being red and the lower green in addition to a combination lantern.
B. Two all-round lights near the top of the mast with the top being red and the lower green without a combination lantern.
C. Two all-round lights near the top of the mast with the top being green and the lower red in addition to a combination lantern.
D. Two all-round lights near the top of the mast, with the top being red and the lower green. without a combination lantern combination lantern.

46. LIGHTS AND SHAPES
22. A sail boat operating under sail only may display:
A. Two all-round lights near the top of the mast with the top
being red and the lower green in addition to a combination
lantern.
B. Two all-round lights near the top of the mast with the top
being red and the lower green and not used with a combination lantern.
C. Two all-round lights near the top of the mast with the top being green and the lower red in addition to a combination lantern.
D. Two all-round lights near the top of the mast with the top being green and the lower red and not used with a combination lantern.

47. LIGHTS AND SHAPES A sailing vessel of less than 7 meters:
A. Must show the same lighting as a larger sailboat.
B. May display a red over a green light near the top of the mast along with a combination lantern.
C. May use a portable white light in time to prevent a collision.
D. May use a flashlight with a yellow lens in time to prevent a collision.

48. LIGHTS AND SHAPES A sailing vessel of less than 7 meters:
A. Must show the same lighting as a larger sailboat.
B. May display a red over a green light near the top of the mast along with a combination lantern.
C. May use a portable white light in time to prevent a collision.
D. May use a flashlight with a yellow lens in time to prevent a collision.

49. LIGHTS AND SHAPES A vessel operating under oars must display:
A. The same lighting as a power vessel.
B. A white light in time to prevent a collision.
C. Needs no light.
D. A flashing all-round yellow light.

50. LIGHTS AND SHAPES A vessel operating under oars must display:
A. The same lighting as a power vessel.
B. A white light in time to prevent a collision.
C. Needs no light.
D. A flashing all-round yellow light.

51. LIGHTS AND SHAPES
A vessel operating under both sail and power at night:
A. Must display lighting for a power driven vessel.
B. Must display a red over a green light from the top
of its mast.
C. Needs no special identification.
D. Must display only the lighting for a sailing vessel.

52. LIGHTS AND SHAPES
A vessel operating under both sail and power at night:
A. Must display lighting for a power driven vessel.
B. Must display a red over a green light from the top
of its mast.
C. Needs no special identification.
D. Must display only the lighting for a sailing vessel.

53. LIGHTS AND SHAPES
A vessel over 12 meters, operating under both sail and power must:
A. Display a conical shape, apex down during the day.
B. Must display lighting for a power driven vessel at night.
C. Is considered a power driven vessel.
D. All of the above.

54. LIGHTS AND SHAPES
A vessel over 12 meters, operating under both sail and power must:
A. Display a conical shape, apex down during the day.
B. Must display lighting for a power driven vessel at night.
C. Is considered a power driven vessel.
D. All of the above.

55. LIGHTS AND SHAPES
A vessel engaged in trawling, whether underway or at anchor must:
A. Display 2 lights in a vertical line, white over green.
B. Display 2 lights in a vertical line, green over white.
C. Display 2 lights in a vertical line, white over red.
D. Display 2 lights in a vertical line, red over white.

56. LIGHTS AND SHAPES
A vessel engaged in trawling, whether underway or at anchor must:
A. Display 2 lights in a vertical line, white over green.
B. Display 2 lights in a vertical line, green over white.
C. Display 2 lights in a vertical line, white over red.
D. Display 2 lights in a vertical line, red over white.

57. LIGHTS AND SHAPES
28. A vessel engaged in fishing (other than trawling) must:
A. Display 2 lights in a vertical line, white over green.
B. Display 2 lights in a vertical line, green over white.
C. Display 2 lights in a vertical line, white over red.
D. Display 2 lights in a vertical line, red over white.

58. LIGHTS AND SHAPES
28. A vessel engaged in fishing (other than trawling) must:
A. Display 2 lights in a vertical line, white over green.
B. Display 2 lights in a vertical line, green over white.
C. Display 2 lights in a vertical line, white over red.
D. Display 2 lights in a vertical line, red over white.

59. LIGHTS AND SHAPES 29. A vessel engaged in trawling in the day must:
A. Exhibit 2 cones with their apex together in a vertical line.
B. Exhibit 2 balls in a vertical line.
C. Exhibit a ball above a diamond in a vertical line.
D. Exhibit a Diamond above a ball in a vertical line.

60. LIGHTS AND SHAPES
29. A vessel engaged in trawling in the day must: A. Exhibit 2 cones with their apex together in a vertical line. B. Exhibit 2 balls in a vertical line. C. Exhibit a ball above a diamond in a vertical line. D. Exhibit a Diamond above a ball in a vertical line.

61. LIGHTS AND SHAPES
30. A vessel not under command shall exhibit at night: A. In a vertical line, 3 lights, red over white over red. B. In a vertical line, 3 lights, white over red over white. C. In a vertical line, 2 lights, red over red. D. In a vertical line, 2 lights, green over green.

62. LIGHTS AND SHAPES
30. A vessel not under command shall exhibit at night: A. In a vertical line, 3 lights, red over white over red. B. In a vertical line, 3 lights, white over red over white. C. In a vertical line, 2 lights, red over red. D. In a vertical line, 2 lights, green over green.

63. LIGHTS AND SHAPES
A vessel at night, restricted in its ability to maneuver
shall exhibit:
A. In a vertical line, 3 lights, red over white over red.
B. In a vertical line, 3 lights, red over red over red.
C. In a vertical line, 3 lights, white over red over white.
D. In a vertical line, two lights, red over red.

64. LIGHTS AND SHAPES
A vessel at night, restricted in its ability to maneuver
shall exhibit:
A. In a vertical line, 3 lights, red over white over red.
B. In a vertical line, 3 lights, red over red over red.
C. In a vertical line, 3 lights, white over red over white.
D. In a vertical line, two lights, red over red.

65. LIGHTS AND SHAPES
32. A vessel not under command shall exhibit in the day: A. In a vertical line, three black balls. B. In a vertical line, 2 black balls. C. In a vertical line, 3 black shapes, ball over a diamond over a ball. D. In a vertical line, 3 black shapes, diamond over a ball over a diamond.

66. LIGHTS AND SHAPES 32. A vessel not under command shall exhibit in the
day:
A. In a vertical line, three black balls.
B. In a vertical line, 2 black balls.
C. In a vertical line, 3 black shapes, ball over a
diamond over a ball.
D. In a vertical line, 3 black shapes, diamond over a ball over a diamond.

67. LIGHTS AND SHAPES A vessel restricted in its ability to maneuver
during the day shall exhibit:
A. Two balls in a vertical row.
B. Three balls in a vertical row.
C. A ball over a diamond over a ball in a vertical row.
D. A diamond over a ball over a diamond in a vertical row.

68. LIGHTS AND SHAPES
A vessel restricted in its ability to maneuver during the day shall exhibit:
A. Two balls in a vertical row.
B. Three balls in a vertical row.
C. A ball over a diamond over a ball in a vertical row.
D. A diamond over a ball over a diamond in a vertical row.

69. LIGHTS AND SHAPES
A vessel engaged in towing which severely restricts the towing vessel’s ability to maneuver shall display:
A. The same signals as a vessel restricted in its ability to maneuver.
B. The same signals as a Towing vessel.
C. Both the signals, a vessel restricted in its ability to maneuver and a towing vessel.
D. The signal for a tow over 200 meters in length.

70. LIGHTS AND SHAPES
A vessel engaged in towing which severely restricts the towing vessel’s ability to maneuver shall display:
A. The same signals as a vessel restricted in its ability to maneuver.
B. The same signals as a Towing vessel.
C. Both the signals, a vessel restricted in its ability to maneuver and a towing vessel.
D. The signal for a tow over 200 meters in
length.

71. LIGHTS AND SHAPES
A vessel engaged in dredging operations shall exhibit the signal of a vessel restricted in its ability to maneuver plus:
A. On the obstructed side, two red lights in a vertical row and on the unobstructed side, two green lights in a vertical row.
B. On the obstructed side, two green lights in a vertical row.
C. No additional lights.
D. On the unobstructed side, two red lights in a vertical row.

72. LIGHTS AND SHAPES
A vessel engaged in dredging operations shall exhibit the signal of a vessel restricted in its ability to maneuver plus:
A. On the obstructed side, two red lights in a vertical row and on the unobstructed side, two green lights in a vertical row.
B. On the obstructed side, two green lights in a vertical row.
C. No additional lights.
D. On the unobstructed side, two red lights in a vertical row.

73. LIGHTS AND SHAPES A vessel engaged in diving operations shall exhibit:
A. At night, the same signal as a vessel restricted in its ability to maneuver.
B. At night, in a vertical line, 3 lights, red over white over red.
C. During the day, a rigid replica of the international code flag “A”.
D. All of the above.

74. LIGHTS AND SHAPES A vessel engaged in diving operations shall exhibit:
A. At night, the same signal as a vessel
restricted in its ability to maneuver.
B. At night, in a vertical line, 3 lights, red over white over red.
C. During the day, a rigid replica of the international code flag “A”.
D. All of the above.

75. LIGHTS AND SHAPES A vessel under 12 meters in length is not
required to display any special lights or
shapes unless it is engaged in diving:
A. Yes
B. No

76. LIGHTS AND SHAPES A vessel under 12 meters in length is not
required to display any special lights or
shapes unless it is engaged in diving:
A. Yes
B. No

77. LIGHTS AND SHAPES A vessel engaged in pilotage duty shall
exhibit what additional all-round lights at or
near the masthead:
A. In a vertical line, white over red.
B. In a vertical line, red over white.
C. In a vertical line, white over green.
D. In a vertical line, green over white.

78. LIGHTS AND SHAPES A vessel engaged in pilotage duty shall
exhibit what additional all-round lights at or
near the masthead:
A. In a vertical line, white over red.
B. In a vertical line, red over white.
C. In a vertical line, white over green.
D. In a vertical line, green over white.

79. LIGHTS AND SHAPES A vessel under 12 meters at anchor must
exhibit at night:
A. No permanent light.
B. Side lights, stern light, and an all-round white light.
C. An all-round white light only.
D. Side lights and an all-round white light.

80. LIGHTS AND SHAPES
A vessel under 12 meters at anchor must exhibit at night:
A. No permanent light.
B. Side lights, stern light, and an all-round white light.
C. An all-round white light only.
D. Side lights and an all-round white light.

81. LIGHTS AND SHAPES
A vessel aground displays what light to indicate it is aground?
A. In a vertical line, red over white over red.
B. In a vertical line, white over red over white.
C. In a vertical line, red over red.
D. None of the above.

82. LIGHTS AND SHAPES
A vessel aground displays what light to indicate it is aground?
A. In a vertical line, red over white over red.
B. In a vertical line, white over red over
white.
C. In a vertical line, red over red.
D. None of the above.

83. LIGHTS AND SHAPES
What shape is displayed between sunrise and sunset for a vessel aground?
A. One ball in its mast
B. Two balls in a vertical line from its mast.
C. Three balls in a vertical line from its mast.
D. Three diamonds in a vertical line from its mast.

84. LIGHTS AND SHAPES What shape is displayed between sunrise
and sunset for a vessel aground?
A. One ball in its mast
B. Two balls in a vertical line from its mast.
C. Three balls in a vertical line from its mast.
D. Three diamonds in a vertical line from its mast.

85. LIGHTS AND SHAPES Which of the following are exempt from
displaying a signal when not anchored near a
narrow channel , fairway, anchorage, or where
other vessel navigate?
A. A vessel less than 7 meters.
B. A vessel less than 12 meters.
C. A vessel less than 20 meters.
D. A vessel less than 50 meters.

86. LIGHTS AND SHAPES Which of the following are exempt from
displaying a signal when not anchored near a
narrow channel , fairway, anchorage, or where
other vessel navigate?
A. A vessel less than 7 meters.
B. A vessel less than 12 meters.
C. A vessel less than 20 meters.
D. A vessel less than 50 meters.

87. LIGHTS AND SHAPES
43. What vessel is exempt from displaying a signal for being aground? A. Only vessels less than 7 meters. B. Only vessels less than 12 meters. C. Only vessels less than 20 meters. D. Only vessels less than 50 meters.

88. LIGHTS AND SHAPES 43. What vessel is exempt from displaying a
signal for being aground?
A. Only vessels less than 7 meters.
B. Only vessels less than 12 meters.
C. Only vessels less than 20 meters.
D. Only vessels less than 50 meters.

89. LIGHTS AND SHAPES
The masthead light on a vessel under 12 meters must be carried:
A. At least 1 foot above the side lights.
B. At least 1 meter above the side lights.
C. As high as possible above the side lights.
D. Exactly 1 meter above the side lights.

90. LIGHTS AND SHAPES The masthead light on a vessel under 12
meters must be carried:
A. At least 1 foot above the side lights.
B. At least 1 meter above the side lights.
C. As high as possible above the side lights.
D. Exactly 1 meter above the side lights.

91. LIGHTS AND SHAPES On vessels of less than 20 meters, constructed
after July 31, 1983, the masthead light is
required to be:
A. An all-round white light.
B. Separate from the anchor light.
C. Screened to prevent direct illumination of the vessel forward of the operator.
D. Have a range of no more than 1 mile.

92. LIGHTS AND SHAPES A. An all-round white light.
On vessels of less than 20 meters, constructed
after July 31, 1983, the masthead light is required
to be:
A. An all-round white light.
B. Separate from the anchor light.
C. Screened to prevent direct illumination of the vessel forward of the operator.
D. Have a range of no more than 1 mile.

93. LIGHTS AND SHAPES Day shapes:
A. Must be black, balls must be .6 meters in size.
B. Cone shapes must be .6 meters long and diamond shapes must be 2 cones with their bases together.
C. May be smaller on vessels under 20 meters but they must and the distance between reduced.
D. All of the above.

94. LIGHTS AND SHAPES Day shapes:
A. Must be black, balls must be .6 meters in size.
B. Cone shapes must be .6 meters long and diamond shapes must be 2 cones with their bases together.
C. May be smaller on vessels under 20 meters but they must and the distance between reduced.
D. All of the above.

95. LIGHTS AND SHAPES A vessel engaged in trawling shall display, in
addition to their fishing lights may exhibit :
A. In vertical line, 2 white lights when shooting nets.
B. In vertical line, 1 white over 1 red line when hauling nets.
C. When nets are fast on an object, 2 red lights in a vertical line.
D. All of the above.

96. LIGHTS AND SHAPES A vessel engaged in trawling shall display, in
addition to their fishing lights may exhibit :
A. In vertical line, 2 white lights when shooting nets.
B. In vertical line, 1 white over 1 red line when hauling nets.
C. When nets are fast on an object, 2 red lights in a vertical line.
D. All of the above.

97. LIGHTS AND SHAPES
48. If at night you see a fishing vessel displaying 2 yellow lights, flashing alternately one over the other, with equal light and occultation, you are looking at: A. A trawler with its nets fast on an object. B. A fishing vessel with its nets fast on an object. C. A purse seiner hampered by its gear. D. A purse seiner at work.

98. LIGHTS AND SHAPES
48. If at night you see a fishing vessel displaying 2 yellow lights, flashing alternately one over the other, with equal light and occultation, you are looking at: A. A trawler with its nets fast on an object. B. A fishing vessel with its nets fast on an object. C. A purse seiner hampered by its gear. D. A purse seiner at work.

99. LIGHTS AND SHAPES A “Public Safety” light:
A. Is permitted to be carried by Auxiliary facilities for purposes of identification only.
B. May be carried by commercial vessels conducting public safety activity.
C. Gives the vessel displaying the light no special privileges.
D. All of the above are true.

100. LIGHTS AND SHAPES A “Public Safety” light:
A. Is permitted to be carried by Auxiliary facilities for purposes of identification only.
B. May be carried by commercial vessels conducting public safety activity.
C. Gives the vessel displaying the light no special privileges.
D. All of the above are true.

101. LIGHTS AND SHAPES The Public Safety light may be used by an
Auxiliary facility in lieu of tow lights.
A. TRUE
B. FALSE

102. LIGHTS AND SHAPES The Public Safety light may be used by an
Auxiliary facility in lieu of tow lights.
A. TRUE
B. FALSE