Lights and Shapes Quiz

According to paragraph A, what lights should vessels not under command exhibit?

• Green lights

• Red lights in a vertical line

• Yellow lights

• Blue lights

What lights should be shown by a vessel making way through the water according to paragraph A?

• Red lights only

• Green lights only

• Mast head light only

• Side lights and a stern light

In paragraph B, what lights are required for vessels restricted in their ability to maneuver?

• Green white green in a vertical line

• Yellow white yellow in a vertical line

• Blue white blue in a vertical line

• Red white red in a vertical line

When a vessel is engaged in mine clearance operations, what additional lights should be exhibited?

• Three all-round green lights

• Two all-round red lights

• Green lights only

• Red lights only

According to paragraph C, what lights should a power-driven vessel engaged in a towing operation exhibit?

• Red white red in a vertical line

• Blue white blue in a vertical line

• Three all-round red lights

• Two all-round green lights

What lights should be exhibited by vessels engaged in dredging or underwater operations according to paragraph D?

• Red white red in a vertical line

• Two all-round red lights or two balls

• Three all-round green lights

• Two all-round green lights or two diamonds

In paragraph E, what lights should be exhibited by vessels engaged in diving operations?

• Two all-round red lights

• Three all-round red lights

• Red white red in a vertical line

• Three all-round lights in a vertical line

What lights should be shown by vessels less than 12 meters in length according to paragraph G?

• Two all-round red lights

• Three all-round green lights

• No lights required

• Red white red in a vertical line

According to paragraph H, what signals are not for vessels in distress requiring assistance?

• Signals for vessels not under command

• Signals for vessels engaged in mine clearance

• Signals for vessels engaged in diving

• Signals for vessels at anchor

What lights should be exhibited by vessels engaged in mine clearance operations according to paragraph F?

• Two all-round green lights

• Two all-round red lights

• Three all-round green lights

• Three all-round red lights