NS3-M3U5C1 - Nautical Rules of the Road (Exam)Page 1

NS3-M3U5C1 - Nautical Rules of the Road (Exam)Page 1

NS3-M3U5C1 - Nautical Rules of the Road (Exam)Page 1


1In what year were Nautical Rules of the Road first established?





2Put the following lights in order of smallest to largest arc of visibility.(Input the answers in

the correct sequence, then push the ENTER button.)


BMasthead light

CAll-around light

DStern light

3What type of vessel will display white over red all around lights on the mast in addition to

standard navigation lights?




4Any of various lights required to be displayed by vessels operating between sunset and


ARange lights

BPilot lights

CRunning lights

DAnchor lights

5A metal ribbing roughly oval in shape, over which canvas is stretched

ADay signal

BDay shape

CDistress signal

DDay oval

6Two vessels are passing each other at a distance of less than 1/2 mile. The first sounds two

short blasts. The second responds with two short blasts. What is going to happen?

AThe first vessel is going to hold up.

BThe second vessel is going to hold up.

CThey are going to pass starboard to starboard.

DNone of the above

NS3-M3U5C1 - Nautical Rules of the Road (Exam)Page 2

7If a ship is approaching on a steady bearing or on a bearing that does not appreciably

change, risk of collision exists. Even if it does change, the risk of collision can still exist.

Especially when approaching which type of vessel?

(Input all that apply, then push the ENTER button.)


Bany large vessel


DAll of the above

8You are the OOD on a Navy ship at night when you see two white lights and a red light off your starboard bow. What does this mean and what should you do?

Ayou are crossing with another vessel, you should maneuver to avoid

Byou are crossing with another vessel, you should maintain course and speed

Cyou are overtaking another vessel, you should turn left to avoid

Dyou are overtaking another vessel, you should turn right to avoid

9The vessel that must keep out of the way of the other

AGive-way vessel

BKeep-out vessel

CKeep-clear vessel

10Has the right of way

ACross-way vessel

BRight-of-way vessel

CStand-on vessel

11Which of the following is NOT covered by both international and inland rules?




DAll of the items listed are covered by both the international and inland rules.

12One dark night you notice the lights of a supertanker at sea. You see a single white light.

Which of the following statements is TRUE?

AThe ship is heading directly away from you.

BThe ship is crossing from left to right.

CThe ship is crossing from right to left.

DThe ship is heading directly towards you.

NS3-M3U5C1 - Nautical Rules of the Road (Exam)Page 3

13Under what condition would a white masthead light be an "all-around" light rather than a

sector light?

AIf the vessel is less than 12 meters in length.

BMasthead lights can never be all-around lights.

CIf the vessel does not have an aftermast, and therefore only has one white


DIf the vessel is longer than 50 meters in length.

14What is the common abbreviation for The International Regulations for Preventing

Collisions as Sea?

ARules of the Road


CU.S. Inland Rules

DNavigational Rules Act of 1980

15Which of the following is NOT a special rule for naval vessels that varies from the standard

international rules of the road?

AThe white lights on aircraft carriers are usually on the superstructure and off

the centerline.

BNaval vessels hoist a "5" flag if not under command and will also hoist 2

black balls as a warning in international waters.

CThe horizontal separation of white lights on destroyers can be less than

normally required by the rules.

DU.S. submarines display an amber-colored intermittent flashing beacon when

running surfaced.

16What is the difference between whistle signals in U.S. inland waters and those sounded in

international waters?

AThere is no difference. Whistle signals are required and have the same

meaning in both systems.

BIn U.S. inland waters they are required signals. They are not always

required in international waters.

CIn international waters they are required signals, They are not required in

U.S. Inland Waters.

DIn U.S. inland waters, they signal intention only. In international waters,

they signal execution.

NS3-M3U5C1 - Nautical Rules of the Road (Exam)Page 4

17The purpose of the rules of the road is to

Aprovide safe navigation

Bprotect the ship

Cprovide more civil service job positions

Dprevent collisions

18Red flares, continuous sounding of the fog horn, or smoke from a burning barrel of oil all


Athe presence of a submarine in the channel.

Bdistress under both Inland and International Rules.

Cwind and weather warnings to small craft.

Dobstructions in the channel or seaway.

19What are the white, green, and red lights called on seagoing vessels?

ARange lights

BStern lights

CRunning lights

DMasthead lights

20The port-side light is red and the starboard-side light is green. What rule or rules require

these lights?

AInternational Rules

BInland Rules

CA & B

DNone of the above

NS3-M3U5C1 - Nautical Rules of the Road (Exam)Page 5

Answer Key: NS3-M3U5C1 - Nautical Rules of the Road (Exam)