ROR Lights + Shapes Flashcards

1
Q

What lights may a PDV less than 12m display?

A

PDV less than 12m = All round white light + sidelights.

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2
Q

What may a PDV less than 7m whose speed does not exceed 7 knots display?

A

An all round white light and if practicable, sidelights.

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3
Q

What may a PDV vessel under 20m do with her sidelights?

A

Combine them into a lantern.

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4
Q

What lights shall a towing vessel display?

A

Extra masthead lights dependent on tow length.
Sidelights.
Sternlight.
Towing light.

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5
Q

What lights will a regular vessel or object being towed display?

A

Sidelights.

Sternlight.

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6
Q

What lights will a rigidly connected pushing vessel and a vessel being pushed ahead display?

A

Regarded as a PDV.

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7
Q

What lights will a non rigidly connected pushing vessel/towing alongside display.

A

2 masthead lights.
Sidelights.
Sternlight.

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8
Q

In addition to regular towing light configuration, what lights shall a inconspicuous partly submerged vessel or object display?

A

2 all round white lights, one fwd and one aft.
If breadth exceed 25m 2 additional all round white lights at extremities.
If over 100m additional all round white lights between fwd and aft.

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9
Q

What lights shall a sailing vessel display?

A

When underway

  • Sidelights + sternlight.
  • If less than 20m sidelights may be combined into a single lantern + sternlight.
  • Sailing vessel may display 2 all round lights at or near the mast upper being red and lower green + sidelights + sternlight.
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10
Q

What must vessels under 50m, 50m or more, an vessels over 100m display when at anchor?

A

Vessels under 50m = An all round white light where it can best be seen + visible min 2 miles.
Vessel 50m or more = 2 all round white lights one fwd and one aft with fwd being higher + visible min 2 miles.
Vessels over 100m = Same as 50m or more + additional deck working lights.

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11
Q

What lights must NUC display?

A

When making way through the water.

  • 2 all round red lights in a vertical line
  • Sidelights
  • Sternlight
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12
Q

What lights must a vessel aground display?

A

2 all round red lights in a vertical line.

Anchor lights as prescribed.

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