COLREGS FINALS Quiz # 1

What does the term "whistle" refer to?

• Any sound signaling appliance capable of producing the prescribed blasts.

• Any sound signaling appliance capable of producing the prescribed whistle.

• Any sound signaling appliance capable of producing the prescribed sound with at least 70 -110 decibels.

• Any sound signaling appliance capable of producing any sound.

How long is a "short blast"?

• 1 second
• 5 seconds
• 3 seconds
• 2 seconds

What is the duration of a "prolonged blast"?

• 2 to 4 seconds

• 3 to 5 seconds

• 4 to 6 seconds

• 5 to 7 seconds

Which vessel is required to have a whistle?

• Vessels 50 meters or more in length

• All vessels

• Power driven vessels

• Vessels 12 meters or more in length

For a vessel 20 meters or more in length, what additional sound signaling equipment is required?

• Bell

• Gong

• Both bell and gong

• whistle

A gong is required for vessels of how many meters in length?

• 20 meters
• 50 meters

• 100 meters

• 200 meters

What does two short blasts indicate?

• I am altering my course to port

• I am altering my course to starboard

• Power-driven vessel underway

• Power-driven vessel underway but making no way

What does three short blasts indicate?

• I am altering my course to port

• I am altering my course to starboard

• I am operating astern propulsion

• You are running into danger

A vessel altering her course into starboard shall sound which sound signal?

• One short blast
• Two short blasts
• One prolonged blast

• Two prolonged blast

What signal should a power-driven vessel sound when nearing a bend or an area of channel where other vessels may be obscured?

• One prolonged blast
• Two short blasts
• One short blast
• Three prolonged blasts