Rules of the Road: Navigational Quiz

What does the 'O' in 'overnight rooms for sale plus supper' stand for?

• Operating

• Overhead

• Overtaking

• Obstructing

What day shape does a vessel not under command display?

• Ball over ball

• Diamond over ball

• Two balls in a vertical line

• Ball over diamond

What is the day shape for a vessel engaged in dredging?

• Ball over ball

• Ball, diamond, ball

• Two diamonds vertically

• Cylinder

What does a single prolonged blast signal mean?

• Altering course to starboard

• Maneuvering astern propulsion

• Underway and making way

• Nearing a bend or leaving a berth

What does the sound signal of one short blast indicate?

• Altering course to starboard

• I am altering my course to starboard

• Altering course to port

• Operating astern propulsion

What sound signal does a vessel engaged in towing make in restricted visibility?

• Two prolonged blasts

• One prolonged blast

• Four short blasts

• One prolonged followed by two short blasts

What is the minimum equipment for sound signals on a vessel over 100 meters?

• Bell and gong

• Whistle only

• Whistle, bell, and gong

• Whistle and bell

What does a vessel at anchor display if it is over 100 meters in length?

• Red over red lights

• One all-round white light

• Two all-round white lights in a vertical line

• One high white light and one low white light

What lights does a power-driven vessel underway show?

• Red over green

• Red, green, and white

• White over red

• Green over white

What light configuration does a sailing vessel under power at night show?

• Red over green

• Green over white

• Red, green, and white

• White over red