GLI01 - Master-Unlimited Tonnage

INLAND ONLY Which term is NOT defined in the Inland Navigation Rules?

BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist...

What does the boom indicator on a crane indicate?

What is the function of an air receiver in the compressed air system?

While navigating in fog off a coastline of steep cliffs, you hear the echo of the ships foghorn 5.5 seconds after the s...

The Light List shows that a navigational light has a nominal range of 22 miles and a height above water of 48 feet (14....

A channel is stated as having a controlling depth of 38 feet. Which statement is TRUE?

INLAND ONLY Which of the following may be displayed by a law enforcement boat?

BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown in illustration D017RR below and will pass wit...

The Immigration and Naturalization Service is concerned with which document on a vessel making preliminary entry into a...

Which term indicates how many tons of cargo a vessel can carry?

Information about direction and velocity of rotary tidal currents for a Port on the Atlantic coast of the United States...

The following questions are to be answered using Chart 12221TR, Chesapeake Bay Entrance, and supporting publications. ...

On Sunday, 8 November, your ship is enroute from Texas City, TX, to Portland, ME. At 0632 ZT, you fix your position at ...

INLAND ONLY Which of the following is indicated by a vessel displaying a flashing blue light?

BOTH INTERNATIONAL & INLAND When action to avoid a close-quarters situation is taken, a course change alone may be the ...

How is Argon classified?

Stability is determined principally by the location of the point of application of two forces: the downward-acting grav...

Which of the following compensates for errors introduced when a vessel heels over?

From your 2000 position you change course to 206°T. What time would you expect to be abeam of Hog Island Buoy "12"?

While steaming at 15.0 knots, your vessel consumes 326 barrels of fuel oil per day. In order to reduce consumption to 1...

BOTH INTERNATIONAL & INLAND By definition which vessel is unable to keep out of the way of another vessel?

BOTH INTERNATIONAL & INLAND You are approaching another vessel at night. You can see both red and green sidelights and,...

Which commodity would be regulated by subchapter D, Rules and Regulations for Tank Vessels?

A partially full tank causes a virtual rise in the height of the _________.

You are underway and pass by a lighthouse. Its light, which was white since you first sighted it, changes to red. What ...

You should expect to pass how far off buoy "12"?

On 1 September your 1115 zone time DR position is LAT 25°20.0'N, LONG 28°24.0'W. At that time, you observe the Sun be...

BOTH INTERNATIONAL & INLAND A vessel that is defined as "restricted in her ability to maneuver" is unable to keep out o...

INLAND ONLY When two power-driven vessels are meeting on the Great Lakes, Western Rivers, or waters specified by the Se...

Which space(s) on your cargo vessel must have a fire detection system?

Radiation spreads a fire by __________.

Sometimes foreign charts are reproduced by NG

At 2030 you take the following bearings: Sand Shoal Inlet South Light - 275°T Cape Charles Light - 235°T What is th...

You are turning 90 RPM, with a propeller pitch of 24 feet, and an estimated slip of -3%. What is the speed of advance?

INTERNATIONAL ONLY You intend to overtake a vessel in a narrow channel on its port side. The vessel to be overtaken has...

BOTH INTERNATIONAL & INLAND Which of the following in illustration D086RR below represents the length of a vessel as de...

Which statement is TRUE concerning the vessel's slipstream?

When a vessel signals its distress by means of a gun or other explosive signal, the firing should be at approximately w...

When entering from seaward, what does a buoy displaying a single-flashing red light indicate?

From your 2030 fix you change course to 195°T, and leave the engine speed at 14 knots. At 2045, your position is Lat 37...

When is the effect of wind on exposed areas of the vessel most noticeable?

INTERNATIONAL ONLY You are operating a vessel in a narrow channel. Your vessel must stay within the channel to be navig...

BOTH INTERNATIONAL & INLAND When is your vessel traveling at a "safe speed" as defined in the COLREGS?

A vessel proceeding to London, England, from New York makes an unscheduled call at the port of Hamilton, Bermuda. What ...

Your stability calculations indicate your vessel has a marginal GM. Which of the following is the most effective way to...

While upbound through Memphis, the weather report on TV news indicates that a warm front is stationary over Kentucky - ...

When does a vessel which is being assisted by an icebreaker, display a flag hoist consisting of the code numeral "4"?

BOTH INTERNATIONAL & INLAND In which situation do the Rules require both vessels to change course?

INLAND ONLY A law enforcement vessel patrolling a marine regatta may exhibit a flashing blue light or which of the foll...

A vessel traveling down a narrow channel, especially if the draft is nearly equal to the depth of the water, may set of...

A fire starting by spontaneous combustion can be expected in which condition?

You are underway on course 163°T at a speed of 15.8 knots. You sight a buoy bearing 161°T at a radar range of 5.5 miles...

What is your course made good from 2045 to 2111?

Your vessel is broken down and rolling in heavy seas. How can you reduce the danger of capsizing?

BOTH INTERNATIONAL & INLAND When two power-driven vessels are meeting head-on and there is a risk of collision, which a...

BOTH INTERNATIONAL & INLAND Which is TRUE for a vessel using a traffic separation scheme?

What does it mean to "shore up" the main deck for the stowage of deck cargo?

What is the usual depth of a beam bracket?

Geographic range is the maximum distance at which a light may be seen under which conditions?

If you are going to head directly for Chesapeake Light from your 2111 fix, what is the course to make good?

An icebreaker may use the code letter "K" to remind ships of their obligation to listen continuously on their radio. Ho...

BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown in illustration D017RR below. Vessel "B" shoul...

BOTH INTERNATIONAL & INLAND Which type of vessel is required to display the lights shown in illustration D070RR below?

Your vessel is being assisted through an ice field in Thunder Bay by the Canadian Coast Guard icebreaker Alexander Henr...

Which extinguishing agent is most effective for combating wood fires?

The National Oceanic and Atmospheric Administration publishes which item?

At 2200, you alter course to 204°T, at 14 knots. You expect a current on this leg of the trip, setting 325° at 1.5 knot...

If the pitch of the propeller is 23.2 feet, and the revolutions per day are 94,910, calculate the day's run allowing 11...

BOTH INTERNATIONAL & INLAND Which is TRUE of a power-driven stand-on vessel?

BOTH INTERNATIONAL & INLAND In which situation do the Rules require both vessels to change course?

If you are guilty of failure to properly perform your duties as Master of Uninspected Towing Vessels, which of the foll...

What condition will result in the automatic shutdown of a diesel engine?

What color is a triangular daymark?

You have steamed 989 miles at 16.5 knots and consumed 215 tons of fuel. If you have 345 tons of usable fuel remaining, ...

BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist...

BOTH INTERNATIONAL & INLAND You are approaching another vessel on crossing courses. She is about one mile distant and i...

Which statement is TRUE when a pilot is embarked on a vessel?

If you must enter water on which there is an oil fire, you should __________.

In which situation is the light characteristic of composite group flashing (2 + 1) used in the Aids to Navigation Syste...

Which basic category of water level fluctuations on the Great Lakes is the most regular?

BOTH INTERNATIONAL & INLAND You are underway in heavy fog. You hear the fog signal of a vessel which is somewhere ahead...

INLAND ONLY Two power-driven vessels are meeting in a narrow channel on the Great Lakes as shown in illustration D037RR...

The effect known as "bank cushion" acts in which of the following ways on a single-screw vessel proceeding along a narr...

An aircraft has indicated that he wants you to change course and follow him. You cannot comply because of an emergency ...

Two navigational hazards are located near to each other, but each is marked by an individual cardinal buoyage system. H...

In a following sea, a wave has overtaken your vessel and thrown the stern to starboard. To continue along your original...

BOTH INTERNATIONAL & INLAND You are underway in restricted visibility. You hear the fog signal of another vessel about ...

BOTH INTERNATIONAL & INLAND Your power-driven vessel is stopped and making no way, but is not in any way disabled. Anot...

While transiting a channel your vessel's bow swings away from the bank. What is the term for this effect?

During a SAR helicopter evacuation which of the following describes the proper donning of a rescue sling?

Which light signal indicates that you may approach the lock?

An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "I" (...

BOTH INTERNATIONAL & INLAND Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of on...

BOTH INTERNATIONAL & INLAND Which vessel should not impede the navigation of a power-driven vessel?

The master or individual in charge of a vessel prepares a certificate of discharge for each mariner being discharged fr...

Where would the number 3 lifeboat be located?

The spin axis of a gyroscope tends to remain fixed in space in the direction in which it is started. How does this gyro...

Why is a VLCC (100,000 DWT+) with a 30,000 Shaft Horsepower Steam Turbine slow to respond to engine movements, and has ...

BOTH INTERNATIONAL & INLAND The steering and sailing rules for vessels in restricted visibility apply to vessels ______...

INLAND ONLY For the purpose of the Inland Navigation Rules, the term "Inland Waters" includes which of the following?

What is the proper first aid for LPG in the eye?

What is the penalty for failure to enforce, or comply with, the vessel bridge-to-bridge radiotelephone regulations?

Which of the buoys listed below could be used to mark an anchorage?

An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "E" (...

INTERNATIONAL ONLY Which light(s) shall a single vessel being towed alongside show?

BOTH INTERNATIONAL & INLAND You are on watch in fog. Which vessel is "in sight"?

You are on a vessel that carries liquefied gases in bulk. The person on watch is required to have what information abou...

What can an oxygen indicator be used to determine?

When operated over a muddy bottom, a fathometer may indicate which of the following?

What does the line labeled "MS" indicate on the Great Lakes load line model shown in illustration D031DG below?

INTERNATIONAL ONLY You have sighted three red lights in a vertical line on another vessel dead ahead at night. Which ve...

BOTH INTERNATIONAL & INLAND A vessel nearing a bend where other vessels may be obscured is required to sound which sign...

What does item "K" refer to in illustration D045DG of a 30-ton pedestal crane?

One of your crew members falls overboard from the starboard side. You should IMMEDIATELY take which action?

Fog generally clears when the __________.

On the Great Lakes, which defines the term "controlling depth"?

BOTH INTERNATIONAL & INLAND In which situation would risk of collision definitely exist?

BOTH INTERNATIONAL & INLAND Which is the duration of each prolonged blast on whistle signals used by a power-driven ves...

Your vessel is proceeding through a narrow channel. What actions can you take to avoid any sudden sheers of the vessel?

What is the breaking strength of the service lines of the rockets used with an impulse-projected, rocket type line thro...

You take a bearing of 086° of a lighthouse. What bearing of another object would give the best fix?

Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through ...

BOTH INTERNATIONAL & INLAND You are on Vessel "A" engaged in fishing in a narrow channel as shown in illustration D037R...

INLAND ONLY Your vessel is crossing a river on the Great Lakes System. A power-driven vessel is ascending the river, cr...

While anchoring your vessel, when is the best time to let go the anchor?

During a SAR helicopter evolution the rescue sling is the most widely used method of extraction. Which of the following...

What is the primary source of the earth's weather?

As the propeller turns, voids are formed on the trailing and leading edges of the propeller blades causing a loss of pr...

BOTH INTERNATIONAL & INLAND When in sight of another vessel and there is sufficient sea room, any action taken to avoid...

INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown in illustration D042RR be...

How long is a credential issued by the U.S. Coast Guard for apprentice mate (steersman) of Towing Vessels valid for?

What does blowing tubes accomplish?

Which winds have the greatest effect on the set, drift, and depth of the equatorial currents?

On the Great Lakes, winter storms compound the ice threat by bringing a variety of wind, wave, and weather problems. On...

BOTH INTERNATIONAL & INLAND A traffic separation zone is that part of a traffic separation scheme which __________.

INLAND ONLY The term "Great Lakes", as defined by the Inland Rules of the Road, does NOT include which choice?

Which document shows the minimum required crew a vessel must have to navigate from one port in the United States to ano...

Which is TRUE of the mechanical gearing of deck machinery such as the windlass or towing engines?

A towing vessel is NOT required to be fitted with radar if it is __________.

Fog can form in any season on the Great Lakes, but it is most likely to occur over open waters in which period?

BOTH INTERNATIONAL & INLAND When do the Rules state that risk of collision shall be deemed to exist?

BOTH INTERNATIONAL & INLAND The masthead light may be displaced from the centerline on which of the following vessels?

What is NOT true regarding a Lloyd's Open Form (LOF) Salvage Agreement?

Your ship is sinking rapidly. A container containing an inflatable liferaft has bobbed to the surface upon functioning ...

While proceeding up a channel on course 010° per gyrocompass, you notice a pair of range lights in alignment with the m...

Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through ...

INTERNATIONAL ONLY A wing in ground (WIG) craft cannot comply with the spacing requirement for masthead lights. What is...

BOTH INTERNATIONAL & INLAND In illustration D023RR below which represents the arc of visibility of a red sidelight?

You are loading 465,000 barrels of cargo oil. At 0900 you find that you have loaded 207,000 barrels. At 1030 you find t...

What is the purpose of rigging frapping lines on lifeboat falls?

Magnets in the binnacles of magnetic compasses are used to reduce which effect?

Which publication offers information on Great Lakes ice services?

INLAND ONLY The masthead light may be located at other than the fore and aft centerline on which power- driven vessel?

BOTH INTERNATIONAL & INLAND A vessel hearing a fog signal forward of her beam has not determined if risk of collision e...

You are signing on a crew. When they present their Merchant Mariner Credential, you should suspect a fraudulent documen...

As seen in illustration D004SA below, what action must be taken before inserting a low-velocity fog applicator into an ...

Which topmark shown in illustration D023NG below identifies an isolated danger?

A vessel operating on the Great Lakes, and whose position is south of an approaching eastward-moving storm center, would...

INLAND ONLY Which statement is TRUE concerning lighting requirements for Great Lakes vessels?

INLAND ONLY While underway and in sight of another power-driven vessel forward of your beam, more than 0.5 mile away, y...

The boom indicator tells the operator at what angle the boom is compared to the __________.

You have taken another vessel in tow. Which is an indicator that the towing speed is too fast?

How can you follow the approach of a dangerous cyclonic storm?

INLAND ONLY A power-driven vessel when pushing ahead or towing alongside on the Western Rivers (above the Huey P. Long ...

BOTH INTERNATIONAL & INLAND A sailing vessel is NOT required to keep out of the way of which vessel?

Which action has a tendency to happen to a vessel proceeding along the bank of a river or channel with steep banks?

Which type of weld testing can be used to detect internal flaws?

Your vessel is on a course of 343°T at 14 knots. At 2156 a light bears 320.5°T, and at 2217 the light bears 298°T. ...

INLAND ONLY Vessels "A" and "B" are meeting on a river as shown in illustration D041RR below and will pass 1/4 mile apa...

BOTH INTERNATIONAL & INLAND Which is TRUE of a tugboat displaying the shape shown in illustration D010RR below?

You are on a 30,000 DWT tankship engaged in trade to another country signatory to MARPOL 73/78. Which statement is TRUE...

What is the average range of vessel-to-vessel VHF-FM radio communications?

Under the IALA Buoyage Systems, which is TRUE of safe water marks?

INLAND ONLY A barge more than 50 meters long is required to show how many white anchor lights when anchored in a Secret...

INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) identity light(s). Which of the fo...

An annual inspection of a tank vessel shall be made between which of the following months while the Certificate of Insp...

What is the minimum number of deck officers, able seaman or certificated persons required to command each lifeboat on a...

Which radar control reduces weak echoes out to a limited distance from the ship?

BOTH INTERNATIONAL & INLAND You see ONLY the light shown in illustration D080RR below. Which type of vessel are you obs...

BOTH INTERNATIONAL & INLAND Your vessel is underway in reduced visibility. You hear the fog signal of another vessel ab...

Who issues the certificate of loading required by each vessel carrying grain in bulk?

What term indicates the immersed body of the vessel aft of the parallel mid-body?

Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates ...

BOTH INTERNATIONAL & INLAND A vessel displaying the shape shown in illustration D010RR below is which of the following?

BOTH INTERNATIONAL & INLAND When two vessels are in immediate danger of collision, the stand-on vessel must take which ...

When does a vessel which is being assisted by an icebreaker, display a flag hoist consisting of the code numeral "4"?

How can you prevent the spread of fire by conduction?

What does a white buoy with an orange circle marked on it indicate?

BOTH INTERNATIONAL & INLAND Which of the following describes a vessel exhibiting the lights shown in illustration D084R...

BOTH INTERNATIONAL & INLAND When is a stand-on vessel FIRST allowed by the Rules to take action in order to avoid colli...

As a rule, ships of most configurations, when drifting in calm water with negligible current, will lie in which orienta...

A burning pile of dunnage would be which classification of fire?

What is the definition of height of tide?

BOTH INTERNATIONAL & INLAND The stern light shall be positioned such that it will show from dead astern to how many deg...

BOTH INTERNATIONAL & INLAND Risk of collision may exist __________.

Which is TRUE for the connection facilities utilized for the international shore connection aboard the vessel?

Which is TRUE of the term negative slip on a vessel?

In the Northern Hemisphere, what do winds veering sharply to the west or northwest with increasing speed indicate?

BOTH INTERNATIONAL & INLAND Which is TRUE of a tugboat displaying the shape shown in illustration D010RR below?

BOTH INTERNATIONAL & INLAND You are approaching a bend in a channel. You cannot see around the bend because of the heig...

During oil transfer operations, who is responsible for ensuring that the posted transfer procedures are followed?

What is the objective of shoring a damaged bulkhead?

Which publication lists Class I and II private aids to navigation in or along navigable waters of the United States?

INLAND ONLY What signal is a power-driven vessel, when leaving a dock or berth, required to sound?

BOTH INTERNATIONAL & INLAND What would be a "special circumstance" under the Rules?

On a vessel proceeding from a very cold to a warm climate with a cargo of a non-hygroscopic nature in the holds, which ...

Normally, where is the potable water systems directly connected to?

When entering a channel from seaward, which is TRUE concerning the numbers on buoys?

INLAND ONLY You are underway in a narrow channel, and are being overtaken by another power-driven vessel. The overtakin...

BOTH INTERNATIONAL & INLAND What is the duration of each blast of the whistle signals used in head-on and/or crossing s...

What is one of the main purposes of dunnage?

Your vessel has been damaged and is partially flooded. The first step to be taken in attempting to save the vessel is t...

Which term defines the difference between the heights of low and high tide?

INTERNATIONAL ONLY A vessel sounds two short blasts. What does this indicate?

BOTH INTERNATIONAL & INLAND You are under sail making 5 knots. The apparent wind is broad on the port beam at 10 knots....

Firefighting equipment requirements for a particular vessel may be found on which document?

What is the purpose of the tricing pendants?

If the current and wind are in opposite directions, what does the sea surface indicate?

INTERNATIONAL ONLY Two power-driven vessels are meeting. What would a two-blast whistle signal by either vessel mean?

INLAND ONLY You are on power-driven vessel "A" and power-driven vessel "B" desires to overtake you on the starboard sid...

Which of the signals listed is required to be displayed during the day while bunkering?

An inflatable liferaft is thrown into the water from a sinking vessel. What should occur after the painter trips the CO...

What does a Doppler log in the bottom return mode indicate?

BOTH INTERNATIONAL & INLAND Which is the duration of each prolonged blast on whistle signals used by a power-driven ves...

INLAND ONLY A flashing blue light is used to identify which of the following vessels?

If you are bunkering and you close off one tank in the line of tanks being filled, what happens to the rate of flow to ...

Inflatable liferafts are less maneuverable than lifeboats due to their _________.

The datum from which the predicted heights of tides are reckoned in the tide tables is the same as that used for the ch...

BOTH INTERNATIONAL & INLAND What is the duration of each blast of the whistle signals used in head-on and/or crossing s...

INLAND ONLY A power-driven vessel proceeding downstream in a narrow channel on the Western Rivers sights another power-...

U.S. regulations require all tankships of 150 GT and above and all other ships of 400 GT and above, to prepare and main...

You are on a ship that has broken down and are preparing to be taken in tow. You will use your anchor cable as part of ...

You will be advised of any hazardous areas due to the fallout of a nuclear explosive by a message with which code word?

BOTH INTERNATIONAL & INLAND Which of the signals, other than a distress signal, can be used by a vessel to attract atte...

INLAND ONLY A light used to signal passing intentions must be an __________.

Which is TRUE before a Master relieves a Pilot of the conn?

What is used as an indicator of initial stability?

If you are the Master of a towing vessel who’s only working radar no longer functions, what must you do?

BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 10 meters in length?

BOTH INTERNATIONAL & INLAND Which lights is a vessel not under command, underway but not making way, required to exhibi...

Which is the BEST holding ground for conventional anchors?

When should the control of flooding of your vessel be addressed?

You are taking bearings on two known objects ashore. The BEST fix is obtained when the angle between the lines of posit...

BOTH INTERNATIONAL & INLAND Which statement is TRUE regarding equipment for sound signals?

INLAND ONLY Two power-driven vessels are meeting in the situation as shown in illustration D037RR below and will pass w...

Which term describes the process of lifting the anchor from the bottom?

What does the air spaces in the floor of an inflatable liferaft provide protection against?

Which nautical charts are intended for coastwise navigation outside of outlying reefs and shoals?

BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown in illustration D042RR below. Vessel "A" sou...

INLAND ONLY The masthead light may be located at other than the fore and aft centerline on which power- driven vessel?

You are on a multiple-product chemical tanker and will carry cargoes of isophorone, ethylenediamine, and creosote. Whic...

You are on watch and receive word that a person has fallen overboard from the starboard side. What should your first ac...

On 3 October 2023, you will be docking at the Dundalk Marine terminals in Baltimore, MD at the second high tide. The be...

BOTH INTERNATIONAL & INLAND A vessel nearing a bend where other vessels may be obscured is required to sound which sign...

BOTH INTERNATIONAL & INLAND A vessel aground in fog shall sound, in addition to the proper anchor signal, which of the ...

Ship's officers should check every cargo compartment after it is filled with bulk grain to ensure which of the followin...

You are trying to rescue survivors from a wrecked vessel on fire. How should you make your approach?

White lights may be found on which buoys?

BOTH INTERNATIONAL & INLAND Which vessel(s) is/are required to sound a fog signal of one prolonged followed by two short...

INLAND ONLY You are on a vessel that the Secretary has determined cannot comply with the spacing requirement for masthea...

You are signing on a crew. You can determine the minimum number and qualifications of the crew that you are required to...

Which statement is TRUE to safely enter a compartment where CO2 has been released from a fixed extinguishing system?

You are sailing south on the Intracoastal Waterway (ICW) when you sight a green can buoy with a yellow square painted o...

BOTH INTERNATIONAL & INLAND What is the required fog signal for a manned vessel being towed at night?

BOTH INTERNATIONAL & INLAND You are watching another vessel approach, and her compass bearing is not changing. What does...

Your enrolled vessel is bound from Baltimore, MD, to Norfolk, VA, via Chesapeake Bay. Which statement about the require...

Which portable fire extinguisher should be used on a class C fire on board a vessel?

Which measurement uses mean high water as the reference plane?

BOTH INTERNATIONAL & INLAND A vessel engaged in fishing while at anchor shall sound which fog signal?

BOTH INTERNATIONAL & INLAND When shall a proper look-out be maintained?

You are docking a vessel. When are the wind and current most favorable in this situation?

Which of the following aspects of a flooded space will most adversely affect transverse stability if it is subject to f...

The velocity of the apparent wind can be less than the true wind and from the same direction, if certain conditions are...

BOTH INTERNATIONAL & INLAND You hear the firing of a gun at one-minute intervals from another vessel. What does this sig...

INLAND ONLY What lights are required for a barge being pushed ahead, not being part of a composite unit?

Where may a crewmember find information on the fire and abandon ship stations and his/her assigned duties?

The spread of fire is NOT prevented by __________.

Which term describes a tow that is properly aligned to pass through a narrow opening between two bridge piers or any ot...

BOTH INTERNATIONAL & INLAND What does the continuous sounding of a fog whistle by a vessel indicate?

BOTH INTERNATIONAL & INLAND Which vessel shall exhibit a rigid replica of the International Code flag "A"?

Your vessel is port side to a pier with a spring line led aft from the bow. How will the vessel respond in calm weather...

You are the first vessel to arrive at the scene of a distress. Due to the volume of traffic on the radio, you are unabl...

In the U.S. Aids to Navigation System, lateral aids as seen entering from seaward will display lights with which charac...

A synonym for chloroform is __________.

If an airplane circles a vessel 3 times, crosses the vessel's course close ahead while rocking the wings, and heads off...

Which publication should you check for complete information on Puget Sound weather conditions?

Your vessel is going from a warm climate to a cold climate with a hygroscopic cargo. Which statement is TRUE?

Large volumes of carbon dioxide are safe and effective for fighting fires in enclosed spaces, such as in a pumproom, pr...

When does a current perpendicular to a vessel's track have the greatest effect on the vessel's course made good?

A cargo of 10,000 barrels of gasoline is loaded at a temperature of 90°F, and a cargo temperature of 55°F, is expected ...

At all angles of inclination, which is the true measure of a vessel's stability?

You are outbound in a buoyed channel on course 015°T. You sight a white light showing a Morse (A) characteristic bearin...

A fire has damaged 20 bales of cotton on a freighter loaded with general cargo. How would this claim be handled?

"Limber" is a term associated with which item?

On 10 November 2023 at 0130, you are inbound at Charleston Harbor Entrance Buoy “10” (ACT6611). What is the direction a...

Where should an application for a waiver of any requirements of the regulations for oil transfer operations be submitte...

What is the function of wearing rings found on some centrifugal pumps?

Your vessel is steering course 027° per standard magnetic compass (psc), variation for the area is 19°W, and deviation ...

You are on a multiple-product chemical tanker and will carry cargoes of butyric acid, propylene oxide, and octyl alcoho...

Why are diesel engines considered safer than gasoline engines?

You are underway in a vessel with a draft of 6.0 feet. You are in an area where the charted depth of the water is 4 fat...

You have arrived at your anchorage location. You have put the engines astern prior to letting go the anchor. How will y...

When evacuating a seaman by helicopter lift, which course should the ship take?

The nominal range of a light may be accurately defined as the maximum distance at which a light may be seen __________.

In accordance with regulations, ethylene oxide shall be loaded below what temperature?

What do the air spaces in the floor of an inflatable liferaft provide protection against?

The light characteristic of flashing is used in the Aids to Navigation System on the Western Rivers. Which example is r...

Which best describes an anchor buoy?

According to the Lifesaving regulations in Subchapter W, fire and abandon ship drills must be held within 24 hours of l...

Illustration D011NG below represents the geographic location of a vessel and the radar presentation at the same time. W...

What speed do most bow thrusters generally become ineffective?

According to the SOLAS regulations, lifeboat falls must be renewed at intervals of how many years?

While passing through Memphis, the weather report on the TV news indicates that a cold front is crossing western Kentuc...

Which condition must be met during a stability test on an inspected vessel?

Which is TRUE of the lifeline of a life float or buoyant apparatus?

Which is TRUE concerning Light Lists for coastal waters?

You discharge food waste overboard at sea. You have recorded your vessel's position as required, what other items must ...

When launching an open lifeboat by falls, which is TRUE concerning the boathooks?

Quadrantal error in a gyrocompass has its GREATEST effect on which of the following?

You are loading benzyl chloride and a small quantity spills on deck. According to the Chemical Data Guide, which of the...

What is the SAFEST action to take with an accumulations of oily rags?

While on a course of 321°T, a light bears 7° on the starboard bow at a distance of 9.7 miles. What course should you st...

Before arriving at the first U.S. port from foreign, you must fill out a Crewman's Landing Permit. Which crewmember(s) ...

If the OCMI has NOT granted an extension, how often are free-fall lifeboats required to be lowered into the water and l...

Which is TRUE of an aneroid barometer?

The possibility of wake damage can be reduced by following which action?

The lever shown in illustration D013SA below is operated when a lifeboat is in which of the following positions?

The datum from which the predicted heights of tides are reckoned in the tide tables is __________.

Which is TRUE for a vessel's Certificate of Documentation?

A fire starts on your vessel while refueling. Which action should you take FIRST?

The direction in which a vessel is steered is the course. The path actually followed is the __________.

Why is a VLCC (100,000 DWT+) with a 30,000 Shaft Horsepower Steam Turbine slow to respond to engine movements, and has l...

A galley grease fire on the stove may be extinguished using _______.

How are you informed of defects or changes in aids to navigation?

Ice concentration is measured in tenths. What concentration range of ice corresponds to "Open Pack"?

Which term is given to the difference between the starboard and port drafts caused by shifting a weight transversely in...

Which frontal system occurs when a cold air mass and a warm air mass meet, and there is no horizontal motion of either a...

A U.S. Coast Guard icebreaker, while escorting ships in ice, has sounded four short and one long blasts on the whistle. ...

How does the rotation of the steering wheel on the navigation bridge initiate oil pressure being applied to the steering...

Which device maintains a continuous graphic record of the heading of the vessel?

Which statement is TRUE when reviewing a Shipboard Oil Pollution Emergency Plan?

Why is the height of a VHF radio antenna more important than the power output wattage of the radio?

When using GPS, how many theoretical position lines are required for a three-dimensional fix?

What is your speed made good from 2045 to 2111?