U.S.C.G. Merchant Marine Exam Able Seaman … General-Rules of the Road U.S.C.G. Merchant Marine...

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U.S.C.G. Merchant Marine Exam

Able Seaman Unlimited, Limited, Special, Special OSV, Sail, Fishing Industry

Q450-Navigation General-Rules of the Road

(Sample Examination)

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Q450-Navigation General-Rules of the Road U.S.C.G. Merchant Marine Exam Able Seaman Unlimited, Limited, Special, Special OSV, Sail, Fishing Industry Illustrations: 5

Choose the best answer to the following Multiple Choice Questions.

1. BOTH INTERNATIONAL & INLAND When is a vessel which is fishing, required to show sidelights and a stern light?

• (A) when underway and making way o (B) if underway o (C) when dead in the water o (D) when at anchor

If choice A is selected set score to 1.

2. BOTH INTERNATIONAL & INLAND Which signal, other than a distress signal, can be used by a vessel to attract attention?

o (A) Burning barrel o (B) Continuous sounding of a fog signal apparatus • (C) Searchlight beam o (D) Orange smoke signal

If choice C is selected set score to 1.

3. On approaching the English Channel on course 080°T, you note the symbol YBY near a charted buoy. How should you pass this buoy?

o (A) eastward of the buoy o (B) southward of the buoy • (C) westward of the buoy o (D) northward of the buoy


4. BOTH INTERNATIONAL & INLAND Which is a distress signal?

o (A) Sounding 5 short blasts on the whistle • (B) A flaming barrel of oil on deck o (C) Answering a one blast whistle signal with two blasts o (D) Firing of green star shells

If choice B is selected set score to 1.

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Q450-Navigation General-Rules of the Road U.S.C.G. Merchant Marine Exam Able Seaman Unlimited, Limited, Special, Special OSV, Sail, Fishing Industry Illustrations: 5 5. INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown in

illustration D042RR below. Vessel "A" sounds one short blast on the whistle, what does this signal mean?

• (A) "I intend to leave you on my port side" o (B) "I am altering my course to starboard" o (C) "I intend to leave you on my starboard side" o (D) None of the above


6. You are on course 090°T when you sight a flashing white light with a characteristic of VQ(9)10s. You immediately change course to 030°T. After one hour, you sight another flashing white light with the characteristic of VQ. You must pass well __________.

o (A) east of this buoy • (B) north of this buoy o (C) south of this buoy o (D) west of this buoy


7. How many degrees are there on a compass card?

• (A) 360° o (B) 380° o (C) 390° o (D) 420°


8. Which type of daymark is used to mark the starboard side of the channel when entering from sea?

o (A) Red and white octagon • (B) Red triangle o (C) Green square o (D) Black and white diamond


9. BOTH INTERNATIONAL & INLAND Two vessels are meeting head-on. How must the vessels pass?

o (A) The vessels should determine which will alter course by sounding whistle signals. o (B) Both vessels should alter course to port and pass starboard to starboard. o (C) One vessel must alter course while the other must continue on its course. • (D) Both vessels should alter course to starboard and pass port to port.

If choice D is selected set score to 1.


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Q450-Navigation General-Rules of the Road U.S.C.G. Merchant Marine Exam Able Seaman Unlimited, Limited, Special, Special OSV, Sail, Fishing Industry Illustrations: 5 10. INLAND ONLY You sight a vessel displaying an alternating red and yellow light. What does this light

indicate?

• (A) a vessel engaged in public safety activities o (B) a law enforcement vessel o (C) a vessel restricted in its ability to maneuver o (D) a vessel in distress


11. BOTH INTERNATIONAL & INLAND You see the lights shown in illustration D077RR below. This could be which of the following?

o (A) A vessel pushing barges ahead o (B) A stationary dredge o (C) A pipeline • (D) A vessel towing barges astern


12. When outbound from a U.S. port, a buoy displaying a flashing red light indicates __________.

o (A) a junction with the preferred channel to the left o (B) a sharp turn in the channel to the right • (C) the port side of the channel o (D) a wreck to be left on the vessel's starboard side


13. You sight a spar buoy with the topmark shown in illustration D027NG below. You must take which of the following actions?

o (A) pass to the east of the buoy o (B) pass to the south of the buoy o (C) pass to the north of the buoy • (D) keep well clear of the buoy and pass on either side


14. Which of the following traits possessed by an articulated light makes it superior to other types of buoys?

• (A) It has a reduced watch circle o (B) It is equipped with strobe lights o (C) The radar reflectors return better signals o (D) The fog horn signal travels farther to sea



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Q450-Navigation General-Rules of the Road U.S.C.G. Merchant Marine Exam Able Seaman Unlimited, Limited, Special, Special OSV, Sail, Fishing Industry Illustrations: 5 15. BOTH INTERNATIONAL & INLAND Which is TRUE for barges being towed at night?

• (A) must be lighted at all times o (B) need not be lighted o (C) must be lighted only if towed astern o (D) must be lighted only if manned


16. What is the compass course of a vessel heading WSW?

o (A) 202.5° o (B) 225.0° • (C) 247.5° o (D) 271.0°


17. A buoy marking a wreck will show a(n) __________.

o (A) occulting green light and may be lettered • (B) white light FL (2) and a topmark of 2 black spheres o (C) continuous quick white light and may be numbered o (D) yellow light and will be numbered


18. What is an advantage of the magnetic compass aboard vessels?

o (A) All points on the compass rose are readily visible. o (B) It does not have to be checked as often. • (C) It is reliable due to it's essential simplicity. o (D) Compass error is negligible at or near the earth's magnetic poles.


19. When entering a channel from seaward, the numbers on buoys __________.

o (A) are marked in 6 inch figures with retro-reflective material • (B) increase with the even numbers to starboard o (C) are the same as their Light List number o (D) decrease with the odd numbers to starboard



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Q450-Navigation General-Rules of the Road U.S.C.G. Merchant Marine Exam Able Seaman Unlimited, Limited, Special, Special OSV, Sail, Fishing Industry Illustrations: 5 20. What does the helm command "Nothing to the left" mean?

• (A) Steer right of the ordered course o (B) Only use left rudder o (C) Steer left of the ordered course o (D) Leave any buoys on the port side


21. INLAND ONLY A fleet of moored barges extends into a navigable channel. What is the color of the lights on the barges?

o (A) Red o (B) Yellow • (C) White o (D) Amber


22. BOTH INTERNATIONAL & INLAND When navigating in thick fog with the radar on, which action should you take?

o (A) station the look-out in the wheelhouse to keep a continuous watch on the radar o (B) keep the radar on the shortest available range for early detection of approaching vessels • (C) station a look-out as low down and far forward as possible o (D) secure the sounding of fog signals until a vessel closes within five miles


23. BOTH INTERNATIONAL & INLAND Which statement concerning whistle signals is FALSE?

o (A) A pilot vessel may sound an identity signal on the whistle. o (B) A vessel at anchor may sound one short, one prolonged, and one short blast. o (C) When a pushing vessel and a vessel pushed are connected in a composite unit, the unit

sounds the fog signal of a power-driven vessel. • (D) A vessel engaged in towing in fog shall sound a fog signal at intervals of less than one

minute.


24. BOTH INTERNATIONAL & INLAND A vessel which displays the day signal shown in illustration D006RR below may be engaged in which task?

o (A) pilotage duty o (B) fishing with trawling gear • (C) submarine cable laying o (D) mineclearance



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Q450-Navigation General-Rules of the Road U.S.C.G. Merchant Marine Exam Able Seaman Unlimited, Limited, Special, Special OSV, Sail, Fishing Industry Illustrations: 5 25. The Coast Guard Captain of the Port has excluded all traffic from a section of a port, while a regatta

is taking place. The buoys marking this exclusion area will be __________.

o (A) marked with a spherical topmark o (B) nun- or can-shaped to conform to the overall direction of navigation • (C) orange and white o (D) yellow


26. BOTH INTERNATIONAL & INLAND Which situation would be a "special circumstance" under the Rules?

• (A) More than two vessels meeting o (B) Vessel at anchor o (C) Two vessels crossing o (D) Speed in fog


27. What should look-outs report?

o (A) Discolored water o (B) Shoals o (C) Floating objects • (D) All of the above


28. In the IALA Maritime Buoyage System, what is a red and white vertically-striped buoy used to indicate?

o (A) isolated danger mark o (B) special mark not primarily used for navigation o (C) cardinal mark • (D) safe water mark


29. Which type of daymark is used to mark the port side of the channel when entering from sea?

o (A) Black and white diamond o (B) Red and white octagon o (C) Red triangle • (D) Green square



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Q450-Navigation General-Rules of the Road U.S.C.G. Merchant Marine Exam Able Seaman Unlimited, Limited, Special, Special OSV, Sail, Fishing Industry Illustrations: 5 30. BOTH INTERNATIONAL & INLAND Which of the the signals, other than a distress signal, can be

used by a vessel to attract attention?

o (A) A burning barrel • (B) The vessel's searchlight o (C) An orange smoke signal o (D) A red star shell


31. INLAND ONLY At night, a barge moored in a slip used primarily for mooring purposes shall exhibit which of the following?

• (A) No required lights o (B) A flashing yellow light at each corner o (C) A red light at the bow and stern o (D) A white light at each corner


32. What is a CORRECT reply to a pilot's request, "How's your head"?

• (A) "Passing 50°" o (B) "Steady" o (C) "Checked" o (D) "Eased to 10° rudder"


33. INLAND ONLY When shall signals be sounded by a power-driven vessel intending to overtake another vessel?

o (A) If both are in sight of one another o (B) If the vessel is within half a mile of that vessel • (C) If the vessel is power-driven, and are in sight of one another o (D) If another power-driven vessel is within half a mile


34. What does the helm command "Steady as you go" mean?

• (A) Steer the course you are on now o (B) Steer the course when the swing stops o (C) Maintain the rate of swing o (D) Don't allow the vessel to swing off course so much



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Q450-Navigation General-Rules of the Road U.S.C.G. Merchant Marine Exam Able Seaman Unlimited, Limited, Special, Special OSV, Sail, Fishing Industry Illustrations: 5 35. BOTH INTERNATIONAL & INLAND You are the watch officer on a power-driven vessel and notice a

large sailing vessel approaching from astern. Which action should you take?

• (A) hold your course and speed o (B) slow down o (C) sound two short blasts and change course to port o (D) sound one short blast and change course to starboard


36. Under the IALA Buoyage Systems, the topmark of a red and white vertically-striped buoy shall be __________.

o (A) X-shaped • (B) a single red sphere o (C) a single red cone o (D) two black spheres


37. You are standing the wheel watch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot. What should you do?

• (A) Obey the Master. o (B) Ask the Pilot if he relinquishes control. o (C) Bring the rudder to a position midway between the two conflicting positions. o (D) Obey the Pilot.


38. When entering from seaward, a buoy displaying a single-flashing red light indicates __________.

• (A) the starboard side of the channel o (B) a sharp turn in the channel to the right o (C) a junction with the preferred channel to the left o (D) a wreck to be left on the vessel's port side


39. A nun buoy will __________.

o (A) be green in color • (B) have an even number o (C) be cylindrical in shape o (D) be left to port when entering from seaward



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Q450-Navigation General-Rules of the Road U.S.C.G. Merchant Marine Exam Able Seaman Unlimited, Limited, Special, Special OSV, Sail, Fishing Industry Illustrations: 5 40. As you enter a U.S. channel from seaward the numbers on the buoys __________.

o (A) increase with the can buoys being even numbered • (B) increase with the can buoys being odd numbered o (C) increase in channels going to the north or west, and decrease in channels going to the south

or east o (D) decrease with the can buoys being even numbered


41. BOTH INTERNATIONAL & INLAND When does the rule regarding look-outs apply?

o (A) between dusk and dawn o (B) in heavy traffic o (C) in restricted visibility • (D) All of the above


42. BOTH INTERNATIONAL & INLAND What does five or more short blasts on a vessel's whistle indicate?

o (A) The vessel is altering course to starboard o (B) The stand-on vessel and will maintain course and speed • (C) There is doubt that another vessel is taking sufficient action o (D) The vessel is altering course to port


43. The lubber's line on a magnetic compass indicates __________.

o (A) a relative bearing taken with azimuth circle • (B) the direction of the vessel's head o (C) magnetic north o (D) compass north


44. The maximum distance at which a light may be seen under existing visibility conditions is called __________.

o (A) nominal range o (B) geographic range • (C) luminous range o (D) charted range



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Q450-Navigation General-Rules of the Road U.S.C.G. Merchant Marine Exam Able Seaman Unlimited, Limited, Special, Special OSV, Sail, Fishing Industry Illustrations: 5 45. BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel sound one prolonged

blast followed by two short blasts on the whistle. What does this signal indicate?

o (A) A vessel aground o (B) A vessel engaged in pilotage duty o (C) A vessel being towed • (D) A vessel towing


46. A special mark (yellow buoy), if lighted, may exhibit which light rhythm?

o (A) Occulting o (B) Morse "A" • (C) Flashing o (D) Equal interval


47. You are sailing south on the Intracoastal Waterway (ICW) when you sight a red nun buoy with a yellow square painted on it. Which statement is TRUE?

o (A) ICW traffic should not proceed beyond the buoy unless the crossing waterway is clear of all traffic.

• (B) You should leave the buoy to port. o (C) The buoy is off station and should be ignored as a navigational mark. o (D) The waterway in that area has shoaled and the available depth of water is less than the

project depth.


48. BOTH INTERNATIONAL & INLAND Which is TRUE for a self-propelled dredge NOT engaged in dredging, but proceeding to a dredging location at night?

• (A) be required to show the lights of a power-driven vessel underway o (B) be required to show the lights of a stationary dredge o (C) not be required to show any lights o (D) be required to show the lights characteristic of a dredge


49. BOTH INTERNATIONAL & INLAND For the purpose of the Rules, except where otherwise required, the term __________.

• (A) "vessel" includes seaplanes o (B) "vessel engaged in fishing" includes a vessel fishing with trolling lines o (C) "vessel restricted in her ability to maneuver" includes fishing vessels o (D) "seaplane" includes non-displacement craft



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Q450-Navigation General-Rules of the Road U.S.C.G. Merchant Marine Exam Able Seaman Unlimited, Limited, Special, Special OSV, Sail, Fishing Industry Illustrations: 5 50. BOTH INTERNATIONAL & INLAND You are on vessel "A" pushing a barge ahead and meeting

vessel "B" as shown in illustration D012RR below. How should the vessels pass?

o (A) Vessel "A" should maintain course and vessel "B" alter course. • (B) Both vessels must alter course to starboard and pass port to port. o (C) Both vessels must alter course to port and pass starboard to starboard. o (D) The vessels should determine which will alter course by sounding whistle signals.



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5/23/2016

D027NG

Adapted for testing purposes only

Further reproduction prohibited without permission



5/24/2016

D006RR

Adapted for testing purposes only

Further reproduction prohibited without permission


Rules of the Road


U.S.C.G. Merchant Marine Exam Able Seaman … General-Rules of the Road U.S.C.G. Merchant Marine...

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