GLI06 - Master or Mate of LT 100 GRT

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

Which of the following is a rope ladder with wooden rungs?

What does the gross tonnage of a vessel indicate?

The chart indicates the variation was 3°45'W in 1988, and the annual change is decreasing 6'. If you use the chart in 1...

You are proceeding from a point 4 miles due east of Montauk Point enroute to Long Island Sound via The Race. What shoul...

What is the name of tackle number 3 as shown in illustration D029DG below?

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

You are preparing to slush a stay on your vessel by lowering yourself down the stay in a bosun's chair. The proper way ...

The water in which a vessel floats provides vertical upward support. Which term is regarded as the point through which ...

To find a magnetic compass course from a true course what must you apply?

Determine the course per standard magnetic compass from the entrance to Quonochontaug Pond (LAT 41°19.8'N, LONG 71°43.2...

What size block shell should be used with a 4-inch manila line?

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

A nylon line is rated at 15,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?

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

What causes variation in a compass?

At 1016 your position is LAT 41°07.6'N, LONG 71°38.5'W. At 1116 your position is LAT 41°01.4'N, LONG 71°29.4'W. What wa...

Unless extremely flexible wire rope is used, the sheave diameter should always be as large as possible. Which is the Co...

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

When improperly tied, which knot shown in illustration D030DG below is called a granny or thief's knot?

The effect of free surface on initial stability depends upon which item(s)?

Apparent wind speed blowing across your vessel while underway can be measured by which instrument?

You are on course 053° per standard magnetic compass when you take the following bearings: Little Gull Island Light 275...

When changing from a compass course to a true course, which should you apply?

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

Which knot is used to attach two different sized lines together?

During cargo operations, your vessel develops a list due to the center of gravity rising above the transverse metacente...

Aneroid barometers are usually calibrated to indicate atmospheric pressure in which units?

At 0726 you depart Lake Montauk with light 1 close aboard and set course 309° per standard magnetic compass at 6.7 knot...

Magnetic variation changes with a change in __________.

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

A change of a documented vessel's name can only be made by which organization?

For small angles of inclination, if the KG were equal to the KM, which is TRUE concerning the vessel?

Which type of cloud is the classic "thunderhead"?

At 1523 your position is LAT 41°08.2'N, LONG 71°34.4'W. You are turning for 8.7 knots. What is your ETA at Shagwong Ree...

A magnetic compass card is marked in how many degrees?

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

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

Aboard a vessel, dividing the sum of the transverse moments by the total weight yields the vessel's __________.

Which condition would most likely result in fog?

You sight North Dumpling Island Light in line with Latimer Reef Light (LAT 41°18.2'N, LONG 71°56.0'W) bearing 089° per ...

As a vessel changes course to starboard, which is TRUE concerning the compass card in a magnetic compass?

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

Which space(s) is(are) deducted from gross tonnage to derive net tonnage?

When a vessel has positive stability, which term is used to describe the distance between the line of force through B a...

Your vessel is located at position I on the weather map in illustration D013NG below. You should experience which weath...

What does the precautionary area southeast of Block Island refer to?

Which is the best method to stop a vessel from dragging anchor in a sand bottom?

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

The definition of "partially protected waters", as used in the Regulations does not include which choice?

When a vessel's LCG is aft of her LCB, how will the vessel respond?

When observing a rapid rise in barometric pressure, what may you expect?

Your position is 3 miles due east of Montauk Point Light. What is the course to steer to arrive at LAT 41°00.0'N, LONG ...

How does a drift lead indicate that the vessel is dragging anchor?

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

A Certificate of Inspection for vessels of less than 100 gross tons carrying more than twelve passengers on an internat...

Which term describes the time required to incline the vessel from port to starboard and back to port again?

What does a steep barometric gradient indicate?

Which of the following describes the passage between Great Gull Island and Plum Island?

How many fathoms are in a shot of anchor cable?

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

Paint and oil lockers on small passenger vessels must be constructed of or lined with which material?

Pitching is angular motion of the vessel about what axis?

To predict the actual depth of water using the Tide Tables, how does one use the number obtained from the Tide Tables?

In moderate wind and current what should be the length of chain with a single anchor?

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

Which is TRUE concerning fixed ballast, on small passenger vessels?

Which is TRUE of outlets in gasoline fuel lines of your small vessel?

When considering currents, which defines the term set?

When using the term "limber system" one is referring to which system?

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

When must a small passenger vessel of not more than 65 feet in length have a collision bulkhead?

Which statement is FALSE concerning precautions during small craft fueling operations?

What describes a flood current?

Which term refers to a transverse curvature of the deck?

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

What do the small passenger vessel regulations require when installing a hydraulic accumulator or other unfired pressur...

For the purpose of training and drills, if reasonable and practicable, how frequently should rescue boats be launched w...

On 9 November 2023 at 0130, you are inbound at Charleston Harbor Entrance Buoy “10” (ACT6611). Your vessel will transit...

What term indicates the length measured along the summer load line from the intersection of that load line with the for...

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

On small passenger vessels which is TRUE concerning all connections to electrical conductors?

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

On 14 October 2023, you will be docking on the Southern Branch Elizabeth River, VA at the first high tide. The berth is...

What is the purpose of a bilge well?

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

Which fuel cannot be used for cooking on vessels carrying passengers for hire? (small passenger vessel regulations)

How can the spread of fire be prevented?

Your vessel is steering a course of 337°psc. Variation for the area is 13°W, and deviation is 4°E. The wind is from the...

The total weight of cargo, fuel, water, stores, passengers and crew, and their effects, that a ship can carry, is known...

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

What must be mounted at a small passenger vessel's operating station for use by the Master and crew?

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

You are underway on course 106°T at a speed of 15.3 knots. You sight a buoy bearing 109°T at a radar range of 3.6 miles...

The water in which a vessel floats provides vertical upward support. Which term is regarded as the point through which ...

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

The Federal Water Pollution Control Act requires the person in charge of a vessel to immediately notify the Coast Guard...

Which statement is TRUE concerning the "flash point" of a substance?

You are underway on course 160°T at 10 knots. The current is 210°T at 0.9 knots. What is the course made good?

Deballasting a double bottom has what effect on KG?

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

What do pollution regulations require of each scupper and/or drain that is located in an enclosed deck area?

A fire in trash and paper waste is which fire classification?

While on a course of 152°T, a light bears 9° on the port bow at a distance of 11.6 miles. What course should you steer ...

Which factor has the greatest effect on the value of the free surface correction?

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

Which of the following applies in determining if all requirements of the Declaration of Inspection are met for oil tran...

Which types of portable fire extinguishers are designed for use on electrical fires?

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

If your vessel will list with equal readiness to either side, the list is most likely caused by which condition?

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

When oil is accidentally discharged into the water, what should you do after reporting the discharge?

Fixed CO2 systems would not be used on crew's quarters or at which other location?

Which term is given to a radar display which is oriented, so that north is always at the top of the screen?

For small angles of inclination, if the KG were equal to the KM, which is TRUE concerning the vessel?

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

You operate a harbor craft on inland waters exclusively. If you regularly service or contact foreign flag vessels in th...

Which is TRUE concerning the production of mechanical foam by a portable in-line foam proportioner?

What should you apply to a fathometer reading to determine the depth of water?

What is Metacentric height a measure of?

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

When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed, the watch office...

When fighting a fire using a portable carbon dioxide extinguisher, where should the stream be directed to extinguish th...

Under the IALA cardinal system, a mark with a quick light showing 9 flashes every 15 seconds indicates that the safest ...

When a vessel has positive stability, which term is used to describe the distance between the line of force through B a...

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

In writing up the logbook at the end of your watch, you make an error in writing an entry. What is the proper means of ...

An "ABC" dry chemical fire extinguisher would be LEAST effective against a fire in which situation?

If you observe a buoy off station which action should you take?

Which of the following defines "Rolling Period"?

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

As you hold a piece of manila line vertically in front of you, the strands run from the lower right to the upper left. ...

A definite advantage of using water as a fire extinguishing agent is because of which characteristic?

When approaching a lock and at a distance of not more than a mile, vessels desiring a single lockage shall sound which ...

Which are the two points that act together to trim a ship?

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

Which is an advantage of nylon rope over manila rope?

The straight stream capability of an all-purpose nozzle is used in fighting a class A fire to accomplish which task?

You are approaching the first of two drawbridges that span a narrow channel. The second drawbridge is close to the firs...

All personnel on board a vessel should be familiar with the rescue boat's __________.

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

Which factor is most likely to impair the strength and durability of synthetic line?

A fire hose has a __________.

Which item in illustration D034NG below shows an occulting light?

Before using a fixed CO2 system to fight an engine room fire, you must __________.

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

Which is the proper way to coil right-laid line?

You are wearing a breathing apparatus inside a tank. How many tugs on the lifeline should you give to indicate that you...

On a chart, the characteristic of the light on a lighthouse is shown as flashing white with a red sector. Which is TRUE...

Portable foam fire-extinguishers are designed for use on which class of fires?

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

In illustration D044DG below, what is the mooring line labeled "A" called?

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

Which defines a light's luminous range?

Why is carbon dioxide (CO2) better than dry chemical for fighting a class "C" fire?

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

Which position shown in illustration D019DG below is the most dangerous when tying up?

If you wear extra clothing when entering the water after abandoning ship it will accomplish which of the following?

The Light List indicates that a light has a nominal range of 13 miles and is 36 feet high. If the visibility is 17 mile...

When dry chemical extinguishers are used to put out class B fires, why is there a danger of reflash?

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

Unless extremely flexible wire rope is used, the sheave diameter should always be as large as possible. Which is the Co...

The vessel shown in illustration D025DG has broken down and you are going to take her in tow. The wind is on her starbo...

Which scale is considered a harbor chart?

Which extinguishing agent is most effective on a mattress fire?

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

Which is described as a wedge of water building up between the bow and the nearer bank which forces the bow out and awa...

If the situation arose where it became necessary to tow a disabled vessel, which statement is TRUE concerning the towin...

What is the length of a nautical mile?

As per Small Passenger Vessels regulations, all vessels not required to have a power-driven fire pump shall carry which...

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

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

A fuel line breaks, sprays fuel on the hot exhaust manifold, and catches fire. What should be your FIRST action?

The shoreline shown on nautical charts of areas affected by large tidal fluctuations is usually the line of mean ______...

Which statement is TRUE concerning the number of portable fire extinguishers required at the operating station of a sma...

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

Your vessel is preparing to proceed up a river. Which of the following is true concerning the handling of the vessel in...

You are releasing carbon dioxide gas (CO2) into an engine compartment to extinguish a fire. In which situation will the...

In IALA Region B, entering from sea, how would a daymark on the port side of the channel be indicated on a chart?

In the regulations that apply to small passenger vessels which describes an "open boat"?

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

You observe a V-shaped ripple with the point of the V pointing upstream in a river. What may this indicate?

In a racetrack turn, to recover a man overboard, the vessel is steadied for the SECOND time after a turn of how many de...

The National Oceanic and Atmospheric Administration publishes which item?

Before issuing an initial Certificate of Inspection, who must consider the construction arrangement and equipment of a ...

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

When anchoring in a clay bottom, what is one hazard that may cause the anchor to drag?

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

What is published by the U.S. Coast Guard?

Each vessel shall be dry-docked or hauled out at intervals not to exceed 2 years if operated in salt water for a total ...

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

Which is the BEST method of determining if a vessel is dragging anchor?

Normally, which chemical is used to treat water in order to ensure its safety for drinking?

Charts should be corrected by using information published in which text?

Which statement is TRUE concerning small passenger vessels bunks installed in overnight passenger accommodation spaces?

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

You are going astern (single-screw, right-handed propeller) with the anchor down at a scope of twice the depth of the w...

What represents poor sanitary procedures?

Which characteristics will a lighted buoy that is to be left to starboard, when entering a U.S. port from seaward have?

Which is TRUE concerning fixed ballast, on small passenger vessels?

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

You are anchoring in a river where the current is from one direction only. Which is the BEST way to lay out two anchors...

Which action should you take after sending a false distress alert on VHF?

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

Which statement is TRUE concerning penetrations and openings in watertight bulkheads in a small passenger vessel less t...

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

Using a scope of 5, determine how many feet of cable you should put out to anchor in 5 fathoms of water.

Which is the VHF radiotelephone frequency designated to be used only to transmit or receive information pertaining to t...

You are heading out to sea in a buoyed channel and see a quick flashing green light on a buoy ahead of you. In U.S. wat...

On a small passenger vessel, if an inlet or discharge pipe is not accessible, which is a requirement of the shut off va...

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

When anchoring, good practice requires 5 to 7 fathoms of chain for each fathom of depth. Which is TRUE when anchoring i...

Which is the national distress, safety, and calling frequency channel?

Under the IALA-B Buoyage System, which is TRUE of a conical buoy?

Small passenger vessels on rivers routes in cold water must be provided with life floats of an aggregate capacity to ac...

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

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...

Which visual distress signal is acceptable for daylight use only?

Under the U.S. Aids to Navigation System, a special mark possesses which of the following characteristics?

Aboard small passenger vessels the number of children's life jackets carried must be at least what percentage of the to...

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

Which statement is TRUE when an anchor is used to assist in turning the vessel in restricted waters?

The life jackets on all vessels shall be __________.

Your vessel is leaving New York harbor in dense fog. As the vessel slowly proceeds toward sea, you sight a green can bu...

Where are gasoline fuel tank vents required to terminate?

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

You are mooring to a buoy. How should you make your approach?

Buoyant apparatus are required to be fitted or equipped with all of the following equipment EXCEPT which item? (small p...

A daymark used to indicate the safe water in a channel will have which of the shapes shown in illustration D045NG below...

Your vessel has a gasoline engine and a mechanical exhaust ventilation system. BEFORE starting the engine. How long do ...

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

You are steaming in a heavy gale and find it necessary to heave to. Under most circumstances, how is this best accompli...

Aboard small passenger vessels the number of children's life jackets carried must be at least what percentage of the to...

In illustration D045NG below, what two shapes shown are used to indicate a preferred channel?

What is the primary reason for starting motors, generators, and other spark producing devices to be mounted as high abo...

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

Which term defines when a boat turns broadside to heavy seas and winds, thus exposing the boat to the danger of capsizin...

Life jackets should be marked with which item?

When a dual-purpose marking is used, how should the mariner following the Intracoastal Waterway be guided?

Lead-acid batteries used aboard "T-Boats" must have which type of terminal connections?

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

Which expresses the term leeway?

Which portable fire extinguisher is required just outside the exit of the propulsion machinery space of a 75-ton passeng...

You are sailing south on the Intracoastal Waterway (ICW) when you sight a red nun buoy with a yellow square painted on i...

On small passenger vessels, when must watchmen patrol throughout the vessel to guard against and give alarm in case of f...

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

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

On vessels that are required to have fixed carbon dioxide fire extinguishing systems, the controls to operate the system...

You are steering 019°T, and a light is picked up dead ahead at a distance of 11.6 miles at 0216. You change course to pa...

How are All life jackets carried on board small passenger vessels required to be marked? (small passenger vessel regulat...

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

Which is the proper term used to describe a stream of water immediately surrounding a moving vessel's hull, flowing in t...

Which action should be taken prior to assuming the Deck Watch while the vessel is in port?

Your vessel is on a course of 221°T at 15 knots. At 0319 a light bears 198.5°T, and at 0353 the light bears 176°T. At w...

Which item indicates the maximum draft to which a vessel can legally be submerged?

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

Periodic surveys to renew the load line assignment must be made at which interval?

When a helmsman receives the command "Right 15 degrees rudder," what should the helmsman's immediate reply be?

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

Which agency assigns Load lines for U.S. vessels?