OSV02 - Mate - Offshore Supply Vessels

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

Grade E combustible liquids have a flash point of __________.

With no environmental forces acting on the vessel, the center of gravity of an inclined vessel is vertically aligned wi...

While navigating in fog off a coastline of steep cliffs, you hear the echo of the ship's foghorn 4 1/2 seconds after th...

While navigating in fog off a coastline of steep cliffs, you hear the echo of the ships foghorn 3 1/2 seconds after the...

The following questions are based on Chart 12221TR, Chesapeake Bay Entrance, and the supporting publications. The draf...

On 5 October 2023, you will be docking at the Redwood Marine Terminal in Eureka, CA at the first high tide. The berth i...

You are steering 154° per gyrocompass. The wind is northeast by east, causing 4° leeway. The gyro error is 3° east, var...

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

Carbon dioxide cylinders which protect machinery spaces, paint lockers and tanks may be located within those spaces whe...

Radiation spreads a fire by __________.

Your vessel is making way through the water at a speed of 12 knots. Your vessel traveled 30 nautical miles in 2 hours 2...

You are inbound in a channel marked by a range. The range line is 309°T. You are steering 306°T and have the range in s...

Which of the following describes the coast between Great Machipongo Inlet and Cape Charles?

You are off the coast of Mexico and are taking a time tick for 1600. At approximately 1554, you hear the preparatory si...

On 1 July your 0515 ZT fix gives you a position of LAT 24°36.0'S, LONG 151°42.0'W. Your vessel is on course 300°T, and ...

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

Which should you check before letting the anchor go?

All of the following are recognized distress signals under the Navigation Rules EXCEPT which signal?

Which would influence a magnetic compass?

To measure distance on a Mercator chart between the parallels of LAT 34°30'N and LAT 31°30'N, which 30- mile scale shoul...

If your engines turn for 6.5 knots, and you encounter a 0.5 knot southerly current, what is your ETA at point A?

If the speed necessary for reaching port at a designated time is 12.6 knots and the pitch of the propeller is 13.6 feet...

On 28 February your 1850 zone time DR position is LAT 27°49.0'N, LONG 159°24.0'W. Considering their magnitude, azimuth,...

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

When steering a vessel, which of the following will an effective helmsman do?

When communicating on the radiotelephone using plain English, what procedure word indicates the end of my transmission ...

When using a buoy as an aid to navigation which of the following should be considered?

The most dangerous form of icing encountered at sea is formed by which of the following?

What is the course to steer per gyrocompass from the anchorage to point "A" if easterly winds are causing 3° of leeway?

A vessel at LAT 32°14.7'N, LONG 66°28.9'W, heads for a destination at LAT 36°58.7'N, LONG 75°42.2'W. Determine the dist...

Determine the great circle distance and initial course from LAT 35°08.0'S, LONG 19°26.0'E to LAT 33°16.0'S, LONG 115°36...

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

Which of the signals listed is required to be displayed at night while bunkering at a dock?

Aboard ship, which term is given to the vertical flat plates running transversely and connecting the vertical keel to t...

Your vessel is participating in the Voluntary Observing Ship Program, you are preparing WS Form B-80 as seen in illustr...

Your vessel is on course 270°T, speed 10 knots. The apparent wind is from 10° off the port bow, speed 30 knots. From wh...

At 0250, Great Machipongo Inlet Light "5" (37°21.8'N, 75°43.7'W) bears 279°pgc. At 0320, the light bears 320° pgc. I...

You swung ship and compared the magnetic compass against the gyrocompass to find deviation. Gyro error is 2°E. The vari...

On 6 December your 0800 zone time DR position was LAT 21°48.0'N, LONG 124°30.0'E. Your vessel was steaming on course 04...

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

Which term is sometimes used to refer to a disk with a horizontal line through its center, equivalent to the summer loa...

To launch a liferaft by hand, you should take which actions?

Your vessel is on course 150°T, speed 17 knots. The apparent wind is from 40° off the starboard bow, speed 15 knots. Wh...

The dew point is reached when which condition occurs?

At 0400, you obtain the following information: Sand Shoal Inlet South Light bearing 303° true at 7.1nm What is your ...

On 9 November 2023 at 1630, you are inbound at Charleston Harbor Entrance Buoy “10” (ACT6611). What is the direction an...

On 6 April your 0300 DR position is LAT 27°42'S, LONG 128°58'W. You are on course 097°T at a speed of 18 knots. You obs...

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

Which international body is responsible for drafting the MARPOL convention prohibiting marine pollution?

Angular motion about the vertical axis of a vessel refers to which term?

A position that is obtained by applying estimated current and wind to your vessel's course and speed is a(n) __________...

What is a characteristic of cardinal marks?

The visibility is about 5 miles. Which statement about Cape Charles Light is TRUE?

You are underway on course 241°T at a speed of 18.2 knots. You sight a daymark bearing 241°T at a radar range of 3.9 mi...

On 22 February your 1857 DR position is LAT 23°46.0'S, LONG 93°16.5'E. You observe an unidentified star bearing 150°T a...

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

Which type of portable electrical equipment is permitted for use in a compartment that is not gas free?

The "trimming arm" of a vessel is the horizontal distance between which two points?

According to Buys Ballot's law, when an observer in the Northern Hemisphere experiences a northwest wind, where is the ...

Your vessel is participating in the Voluntary Observing Ship Program, you are preparing WS Form B-80 as seen in illustr...

Which statement about your 0400 position is TRUE?

On 24 May your vessel's 1000 ZT position is LAT 25°36.0'N, LONG 118°39.5'W, when you take an azimuth of the Sun. Determi...

On 13 August your 0345 ZT DR position is LAT 21°35.0'N, LONG 135°26.0'W. You are on course 052°T at a speed of 14 knots...

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

You are transferring a cargo of ethyl chloride and a small amount spills into the water around your vessel. What does t...

What should you do if you have transmitted a distress call a number of times on channel 16 and have received no reply?

You are underway on course 120°T and can make 12 knots. The eye of a hurricane bears 150°T at 120 miles. The hurricane ...

The magnitude of three stars is indicated. Which star is the brightest?

At 0405, you increase speed. At 0500, your position is LAT 37°06.0'N, LONG 75°41.1'W. What is the approximate depth ...

If the pitch of the propeller is 20.6 feet, and the revolutions per day are 107,341, calculate the day's run allowing 3%...

On 12 April at 0515 ZT, morning stars were observed, and the vessel's position was determined to be LAT 21°05'S, LONG 1...

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

Portable fire extinguishers must be provided for the cargo tank area of an unmanned tank barge __________.

You have a large, broken-down vessel in tow with a wire rope and anchor cable towline. Both vessels have made provision...

A green buoy has a yellow triangle on it. What type of buoy is this?

When is an air mass termed "warm"?

At 0600, you are entering the inbound leg of the traffic separation scheme at position LAT 36°59.2'N, LONG 75°47.6' W. ...

On 28 September in DR position LAT 24°12.0'S, LONG 85°25.0'E, you observe an amplitude of the Sun. The Sun's center is o...

A vessel at LAT 07°05'N, LONG 81°45'W is to proceed to LAT 08°40'N, LONG 88°00'W. What are the course and distance by m...

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

What are the health hazard ratings for a product of triethylbenzene?

A vessel with a large GM will __________.

The most dangerous form of icing encountered at sea is formed by which of the following?

Two well-developed high-pressure areas may be separated by which item?

Which of the following is a characteristic of the abandoned lighthouse at Cape Henry?

Determine the distance from LAT 63°54.0'N, LONG 04°52.0'E to LAT 63°54.0'N, LONG 18°24.0'W by parallel sailing.

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

Which of the following is not an acceptable unit of measure to be used consistently throughout an Oil Record Book?

Utilizing illustration D035SA below, the Master has ordered you to pull the remote ventilation shut down, where is it f...

In shallow water, waves that are too steep to be stable, causing the crests to move forward faster than the rest of the...

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

Weather broadcasts for the Norfolk area are broadcast on which frequency?

On 20 June your 0800 zone time DR position is LAT 21°02.0'N, LONG 152°50.0'E. Your vessel is on course 265°T at a speed...

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

Your vessel is carrying 24,000 barrels of oil for discharge. The cargo hoses have an inside diameter of eight inches. W...

Which is TRUE if passengers are on board when an abandon ship drill is carried out?

With respect to failure warnings and status indications, GPS receivers should provide, at a minimum, __________.

If your weather bulletin shows the center of a low-pressure area to be 100 miles due east of your position, what winds ...

\When Cape Henry Light is abeam, what is the approximate distance to Yorktown?

At 0915 ZT on 26 July you depart Yokohama, LAT 35°27.0'N, LONG 139°39.0'E (ZD -9). You are bound for Seattle, LAT 47°36...

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

All of the following records are usually maintained by the watch-standing officers aboard a vessel EXCEPT the _________...

A self-righting survival craft will return to an upright position provided that all personnel __________.

When trying to sight a lighthouse you notice a glare from a town in the background. How does this affect the range at w...

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

As you pass between trestle "B" and trestle "C" of the Chesapeake Bay Bridge - Tunnel, you sight along the trestle "C" ...

On 29 April your 1913 zone time DR position is LAT 22°09.0'N, LONG 56°16.0'W. At that time you observe Polaris with a s...

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

Which document lists all the lifesaving equipment required for a vessel?

Which is the normal tendency for a loaded tanker?

Which type of weather could you expect soon after seeing "hook" or "comma" shaped cirrus clouds?

When cold air displaces warm air, you have which type of front?

The wind is easterly and will cause 2° of leeway. The current is 180° at 0.5 knot. If your engines are turning for 8.0 ...

On 3 October your 0330 zone time (ZD + 5) DR position is LAT 47°41'N, LONG 86°49'W. At that time, you observe Polaris b...

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

What is the meaning of a flag hoist consisting of the code letters "WM" (Whiskey Mike) when displayed by an icebreaker?

Which advantage does dry chemical have over carbon dioxide (CO2) in firefighting?

As a high-pressure system approaches, which is TRUE concerning the barometer reading?

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

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

Which of the following grade classifications is assigned to Camphor oil?

Which term describes the strengthening of damaged bulkheads by using wood or steel?

What is indicated when slanted letters are used to spell the name of a charted object?

Which is TRUE of mean high water?

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

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

What is the MOST important consideration when determining how to fight an electrical fire?

Which publication contains information on navigation regulations, landmarks, channels, anchorages, tides, currents, and...

You are in a buoyed channel at night and pass a lighted buoy with an irregular characteristic. Who should you report th...

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

Which is the length of a standard "shot" of anchor chain?

If the meter needle of the oxygen indicator cannot be set to zero, what should be done?

You are inbound in a channel marked by a range. The range line is 040°T. You are steering 036°T. The range is in sight ...

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

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 ...

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

Your ship is proceeding on course 320°T at a speed of 25 knots. The apparent wind is from 30° off the starboard bow, sp...

What does a barometer showing falling pressure indicate?

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

Which is a precaution you should take before bunkering?

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

A buoy having red and green horizontal bands would have which light characteristic?

You take a bearing of 176° of a lighthouse. What bearing of another object would give the best fix?

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

Which characteristic is an advantage of a butterfly valve as compared to a gate valve?

Which is the primary type of welding employed in shipyards in the construction of cargo vessels?

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

Which is TRUE of a preferred-channel buoy?

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

For the purpose of regulating tank vessels, which defines the term flammable liquids?

You have abandoned ship and are in charge of a liferaft. How much water per day should you permit each occupant to drin...

Where would you find information about the time of high tide at a specific location on a particular day of the year?

Your vessel is steering 283°T at 10 knots. At 0538 a light bears 350°T, and at 0552 the same light bears 002°T. What wi...

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

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

After each reading of an oxygen indicator, the instrument should be purged with __________.

What is the characteristic of a quick flashing light?

Which may cause above-normal tides near the center of a hurricane?

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

Which spaces are required to be segregated from cargo tanks carrying grades A, B, C, or D cargoes?

Preventer bars are fitted on lifeboat releasing gear to prevent what from happening?

What is the approximate geographic range of Point Judith Light, Rhode Island, if your height of eye is 62 feet (18.9 me...

What happens to the intensity of a hurricane as it reaches higher latitudes and cooler waters?

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

How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?

Which vessel(s) is(are) required to comply with the vessel bridge-to-bridge radiotelephone regulations while navigating...

You are inbound in a channel marked by a range. The range line is 309°T. You are steering 306°T and have the range in s...

Yesterday your chronometer read 11h 59m 59s at the 1200 GMT time tick. Today the chronometer reads 11h 59m 57s at the 1...

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

Which mooring line checks forward motion of a vessel at a pier?

Pitching is angular motion of the vessel about what axis?

In the Northern Hemisphere, when the center of a high-pressure system is due east of your position, you can expect wind...

You are underway in the North Sea on course 216°T when you sight a buoy bearing 021° relative. Under the IALA Buoyage S...

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

What is the mechanical advantage of tackle number 1 as shown in illustration D029DG below?

What is the lifesaving signal for "You are seen - Assistance will be given as soon as possible"?

Low pressure disturbances, which travel along the intertropical convergence zone, are called __________.

What does a single line of position combined with a dead-reckoning position result in?

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

What is the period of validity of a Safety Management Certificate?

How can the spread of fire be prevented?

When utilizing a Pacific Coast chart, which is the reference plane of soundings?

To find the specific phase characteristic of a lighthouse on a sound of the United States you would use which reference...

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

Your tank barge requires repairs that include welding. Who normally would issue a gas-free certificate?

Your vessel has 3 lifeboats on each side. What is designated boat number of the middle boat on the starboard side?

You are in a buoyed channel at night and pass a lighted buoy with an irregular characteristic. Who should you report th...

Which condition would most likely result in fog?

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

Which publication would give detailed information on the commercial vessel traffic reporting system for connecting wate...

Which is one of the limitations of foam as an extinguishing agent?

In illustration D044NG below, what type of buoy is indicated by the letter A?

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

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

What is the name of the pipe or valve used to connect two separate piping systems on a tank vessel?

To keep injured survivors warm in the water after abandoning ship, they should __________.

What is a system of reservoirs and connecting tubes in a gyro compass called?

For navigational purposes, each great circle on the Earth has a length of __________.

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

A vessel that has which of the following will ensure that it will keep its draft at or below the load line mark?

You are at sea and have received a General Emergency message announcing the outbreak of war in Europe. You are directed...

What is a characteristic of cardinal marks?

Which is TRUE of a sea breeze?

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

The turning circle of a vessel making a turn over 360 degrees is the path followed by which item?

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

The needle of an aneroid barometer points to 30.05 on the dial. What does this indicate?

At which interval should a traditional spring driven marine chronometer be rewound?

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

What is the period of validity of a Merchant Mariner Credential?

What will a sea anchor accomplish if deployed correctly?

Which item in illustration D034NG below shows an occulting light?

Where can information about the direction and velocity of rotary tidal currents be found?

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

Where are remote readouts for oxygen concentration, pressure, and temperature of an inert gas system required to be loc...

While operating off Panama a seaman is injured. What indicator should be included in the preamble of a radio telegram r...

The Light List indicates that a dayboard is a type TR-SY. Which action should you take?

What is the distance from the bottom of a wave trough to the top of a wave crest?

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

Which statement is TRUE?

Why are lifeboats usually double-enders?

Your vessel is participating in the Voluntary Observing Ship Program, you are preparing WS Form B-80 as seen in illustr...

An orange and white buoy indicating a vessel-exclusion area will be marked with what symbol?

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

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

What does a pyrometer measure on a diesel engine?

What type of clouds are associated with a cold front?

Which is a characteristic of a port side daymark?

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

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

What power source actuates a solenoid valve?

You are steaming on a course of 208°T at 21 knots. At 2019 you observe a lighthouse bearing 129°T. At 2030 the lighthou...

You have been observing your radar screen and notice that a contact on the screen has remained in the same position, re...

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

As a ship moves through the water, it causes a wake, which is also moving forward relative to the sea. In addition to a...

How should latitude 54°18.9'N be written when preparing an AMVER report?

You have replaced the chart paper in the course recorder. Which statement is TRUE?

What describes a flood current?

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

Which document is NOT required by law to be posted aboard a vessel?

When hoisting a boat on gravity type davits using an electric motor driven winch, the davit arms should be brought up t...

What is the approximate geographic range of Fenwick Island Light, Delaware, if your height of eye is 42 feet (12.8 mete...

You have replaced the chart paper in the course recorder. Which statement is TRUE?

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

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

A drill must be conducted in the use of the line throwing appliance. How often is this drill required to be conducted?

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

Which term defines the distance in miles between the circle of equal altitude for the observed altitude (Ho) and the ci...

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

The transfer procedures required to be followed on tankships shall contain which item?

How often are inflatable liferafts required to be overhauled and inspected at a U. S. Coast Guard approved service faci...

The apparent wind's speed can be zero, but only when two conditions are present. One condition is that the true _______...

ECDIS units incorporate Digital Chart Data that utilizes which formats?

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

Which term defines "An electronic or electric device that indicates the rate of turn of a vessel"?

In illustration D039SA below, which fire control plan symbol designates a space or compartment protected by Halon 1301?

Which name is given to the pressure-sensitive element of an aneroid barometer?

Under the IALA-A Buoyage system, a buoy marking the starboard side of the channel when approaching from seaward may hav...

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

Which term is given to the placing a lashing across a hook to prevent a fitting from slipping out of the hook?

Which is an advantage of an ABC dry chemical over a carbon dioxide extinguisher?

Which Beaufort force indicates a wind speed of 65 knots?

In the celestial equator system of coordinates, what is comparable to latitude on the terrestrial sphere?

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

The most likely location for a liquid cargo fire to occur on a tanker would be __________.

Which type of hull damage should be repaired FIRST?

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

What must change for the compass deviation to change?

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

According to the Chemical Data Guide, the flash point for the grade B flammable liquid piperylene is __________.

Tensile stress is a result of two forces acting in __________.

What is the purpose of the "reference hand" on an aneroid barometer?

In a tropical cyclone, in the Northern Hemisphere, a vessel hove to with the wind shifting counterclockwise is located ...

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

In handling break bulk hazardous materials, it is forbidden to use __________.

A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the _...

In the Northern Hemisphere, an observer at point II in illustration D014NG below, should experience a wind shift from w...

The velocity of the apparent wind can be more than the true wind, and come from the same direction, if certain conditio...

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

Which statement is TRUE concerning the vessel's slipstream?

In illustration D012SA below, what will be released when pulling on line number 5?

Which weather element cannot be measured accurately while on board a moving vessel?

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

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

Where would you find a list of the lifesaving equipment onboard your supply boat?

What is the weight of the liquid displaced by a vessel floating in sea water equal to?

Radar makes the most accurate determination of the __________.

What do the numbers on isobars indicate?

Which is an explosion hazard when exposed to flame?

If, for any reason, it is necessary to abandon ship while far out at sea, it is important that the crew members should ...

In North America, which direction do the majority of the weather systems move?

Which correction(s) must be applied to an aneroid barometer?

Which states the requirements for the access to a cargo pumproom in a tank vessel carrying grades C or D liquid cargo?

How can you indicate that your vessel is in distress?

Which statement is TRUE concerning a Mercator projection?

When trying to sight a lighthouse you notice a glare from a town in the background. How does this affect the range at w...

Flammable liquids should have what kind of label?

If a powdered aluminum fire is being fought, which is the most effective extinguishing agent to use?

Which defines the term charted depth?

The equation of time is 12m 00s and the mean Sun is ahead of the apparent Sun. If you are on the central meridian of yo...

Under normal weather and sea conditions when securing a stack of containers with non-locking fittings, lashings are req...

While communicating with a shore station concerning an injured female, your message should indicate the subject's age i...

Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore sta...

Which of the following is a standard correction applied to the reading of an aneroid barometer?

Who has the authority to grant an alternate procedure for oil transfer operations?

Lifesaving regulations in Subchapter W require that a fire drill include which of the following?

Which position includes the effects of wind and current?

Which term is given to a light that has a light period shorter than its dark period?

You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn you take the...

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 ...

Which class of tide prevails in the greatest number of important harbors on the Atlantic Coast?

Which publication requires infrequent corrections?

Generally speaking, which is the most favorable bottom for anchoring your vessel?

Shell plating is __________.

You sight a buoy fitted with a double-sphere topmark. If sighted at night, what color and light sequence would you expe...

The greater the pressure difference between a high and a low-pressure center, the __________.

You are transporting dangerous cargo on your vessel. Who is required to sign the Dangerous Cargo Manifest acknowledging...

Overhauling a fire in the living quarters on a vessel must include which action?

Which defines the term relative humidity?

What does the description "Racon" beside an illustration on a chart mean?

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

Small hull leaks can be temporarily repaired by __________.

How are buoys which mark isolated dangers painted?

By convention, what color is the south pole of a magnet painted?

On a passenger vessel over 400 gross tons, in which section are the routine entries recorded in the Oil Record Book?

A situation has occurred where it becomes necessary for you to be towed. What action should be taken to prevent your ve...

Fog forms when the air temperature is at or below __________.

On a transpacific voyage, you receive a message from your vessel's operators saying that your vessel has been consigned...

Which term defines when a vessel is swinging from side to side off course due to quartering seas?

CO2 cylinders must be recharged when the weight of the charge in the cylinder is less than what percent of the stamped ...

Which term is given to the mechanical lifting of air by the upslope slant of the terrain?

Revolution is the __________.

When anchoring a vessel under normal conditions, which scope of chain is recommended?

What is the report identifier code for an AMVER deviation report?

You take a bearing of 176° of a lighthouse. What bearing of another object would give the best fix?

You are underway on course 050°T and your maximum speed is 12 knots. The eye of a hurricane bears 080°T, 100 miles from...

A flame screen __________.

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

What is the name of the region of high pressure extending around the Earth at about 35°N latitude?

Which type of cloud is composed entirely of ice crystals and is found at very high altitudes?

You are operating an ocean-going vessel of 322 gross tons. If your vessel does NOT have an oily-water separator then sh...

If a vessel takes a sudden, severe list or trim from an unknown cause, which action should you take FIRST?

Magnetic variation changes with a change in __________.

A ship is on course 195° at a speed of 15 knots. The apparent wind is from 40° on the port bow, speed 30 knots. What ar...

Which certificate is issued by the American Bureau of Shipping?

What must be accurately determined to assess the potential for progressive flooding after a vessel has been damaged?

Your vessel is steering 354°T at 14 knots. At 0317 a light bears 049°T, and at 0342 the same light bears 071°T. What wi...

Which causes the Earth's irregular heating?

When the period of beam seas equals the natural rolling period of a vessel, what will most likely occur?

The wind has caused a difference between drafts starboard and port. This difference is known as which of the following?

In mid-ocean, the characteristics of a wave are determined by three factors. What is NOT one of these factors?

A List of Lights entry (L Fl) is a single flashing light which shows a long flash of not less than which duration?

To determine the number of able seamen required on an inspected vessel, you should check which document?

A motor lifeboat shall carry sufficient fuel to operate continuously for a period of which duration?

How are chart legends which indicate a conspicuous landmark printed?

Which clouds is a thin, whitish, high cloud popularly known as "mares' tails"?

The number of certificated able seamen and lifeboatmen required on a vessel is determined by which organization?

If a firefighting situation calls for low-velocity fog which action would you take?

Which datum is used for soundings on charts of the East Coast of the United States?

A sailing chart could have which scale?

A tanker is loaded with 5,000 barrels of petroleum. The cargo was loaded at a temperature of 70°F, and the coefficient o...

If heavy smoke is coming from the paint locker, what should be the FIRST firefighting response?

In a tropical cyclone in the Northern Hemisphere, a vessel hove to with the wind shifting counterclockwise, would be in ...

Your longitude is 179°59'W. The LMT at this longitude is 23h 56m on the 4th day of the month. Six minutes later, your po...

Which describes the "lay" of a line?

A floating vessel will behave as if all of its weight is acting downward through which point?

On a transpacific voyage, you receive a message from your vessel's operators saying that your vessel has been consigned ...

You are in LONG 165°E, zone time at 0400, 1 November. What is the zone time and date in LONG 165°W?