Mate under 500-1600 GRT Practice Test

1. 1. Which position shown in the illustration is the most dangerous when tying up?
2. 2. A mariner whose credential has been revoked shall not be issued another credential without which of the following?
3. 3. When bunkering is complete, which is the correct procedure concerning the bunker hoses?
4. 4. Under which condition is a container vessel required to maintain an Oil Record Book?
5. 5. Providing you are not in a special area, such as the Mediterranean or Red Sea, how many nautical miles from land must you be to throw packing materials that wil...

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1. 1. Which of the following is NOT identified on the vessel's fire control plan?
2. 2. When possible, what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?
3. 3. Which visual distress signal is acceptable for daylight use only?
4. 4. AMVER is a system which as its main goal is to provide which information?
5. 5. You are underway in mid-ocean when you hear a distress message. The position of the sender is 150 miles away. No other vessel has acknowledged the distress. You...

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1. 1. The largest waves (heaviest chop) will usually develop where the wind blows __________.
2. 2. Your vessel is proceeding up a channel, and you see a pair of range lights that are in line dead ahead. The chart indicates that the direction of this pair of l...
3. 3. Your ship is proceeding on course 320°T at a speed of 25 knots. The apparent wind is from 30° off the starboard bow, speed 32 knots. What is the relative direct...
4. 4. The apparent wind is zero when which situation exists with the true wind?
5. 5. Which causes the Earth's irregular heating?

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1. 1. Which defines the term charted depth?
2. 2. Your vessel is underway on a course of 323.5°T at a speed of 16 knots. At 1945 a light bears 350°T. At 2010 the light bears 008.5°T. What will be your distance...
3. 3. Which cloud type is normally associated with thunderstorms?
4. 4. You plot a fix using three lines of position and find they intersect in a triangle. You should plot the position of the vessel __________.
5. 5. The largest waves (heaviest chop) will usually develop where the wind blows __________.

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1. 1. At 0630, Buoy "PI" is close abeam on the starboard side. You are steering 078°T and are headed directly toward Race Rock Light. At 0654, Little Gull Island Ligh...
2. 2. What was the course made good from 0630 to 0654?
3. 3. What course should you steer by the standard magnetic compass in order to maintain a heading of 081°pgc?
4. 4. At 0705, you change course to 096°T. At this time, Race Rock Light is bearing 000°T at 0.35 mile. You are now governed by which Navigation Rules?
5. 5. At 0728, Race Rock Light is bearing 282°T at 3.8 miles, and the closest point on Fishers Island has a radar range of 2.1 miles. What speed have you been making...

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1. 1. On 9 November 2023 at 1630, you are inbound at Charleston Harbor Entrance Buoy “10” (ACT6611). What is the direction and velocity of the current you are encount...
2. 2. You are taking a time tick using the 1930 signal from Rio de Janeiro, Brazil. You hear the preparatory signal "CQ DE PPE" repeated several times followed by a s...
3. 3. On 7 April in DR position LAT 27°42.0'N, LONG 114°03.0'W, you observe an amplitude of the Sun. The Sun's center is on the celestial horizon and bears 076°psc. T...
4. 4. You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2°W. The variation is 8°W. Find the deviation on a ma...
5. 5. On 21 April your 1542 zone time DR position is LAT 28°54.0'S, LONG 19°07.0'W. At that time, you observe the Sun bearing 299°psc. The chronometer reads 04h 44m 1...

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1. 1. 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 observed 3 celestial bodies. Determine the l...
2. 2. You depart LAT 38°14'N, LONG 12°42'W, for LAT 38°14'N, LONG 46°09'W. What are the course and distance by parallel sailing?
3. 3. You observe the lower limb of the Sun at a sextant altitude (hs) of 41°29.8' on 11 January. The index error is 2.4' off the arc. The height of eye is 68 feet. W...
4. 4. On 11 November your 0200 zone time DR position is LAT 26°32' S, LONG 154°16' E. You are on course 058°T at a speed of 21 knots. Considering their magnitude, azi...
5. 5. On 14 March at 1845 ZT, you take a sextant observation of Polaris. Your DR position is LAT 29°10' N, LONG 154°30' W, and your sextant reads 29°53.5'. Your chron...

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1. 1. Which spaces are required to be segregated from cargo tanks carrying grades A, B, C, or D cargoes?
2. 2. When is a vessel “tide rode”?
3. 3. An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "E" (Echo) to signify that "__________".
4. 4. Which document is NOT required by law to be posted aboard a vessel?
5. 5. Which statement about the use of portable electric lights in petroleum product tanks is TRUE?

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1. 1. You are trying to rescue survivors from a wrecked vessel on fire. How should you make your approach?
2. 2. You hear the general alarm and ship's whistle sound for over 10 seconds. What does this signal mean?
3. 3. If you see an individual fall overboard, which action(s) should you take?
4. 4. Your vessel has been damaged and is partially flooded. The first step to be taken in attempting to save the vessel is to __________.
5. 5. When communicating on the radiotelephone using plain English, what procedure word indicates the end of my transmission and that a response is necessary?

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1. 1. What is the light phase characteristic of a lighted isolated-danger mark?
2. 2. Which type of GPS receiver has at least four channels to process information from several satellites simultaneously?
3. 3. 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 pass the light 3 miles off abeam to port....
4. 4. The direction in which a vessel is steered is the course. The path actually followed is the __________.
5. 5. Deviation in a compass is caused by which of the following?

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1. 1. Your position is LAT 40°59.0'N, LONG 73°06.2'W. What is the course psc to New Haven Harbor Lighted Whistle Buoy "NH"?
2. 2. You depart from the position in the previous question at 2114 and make good 12 knots on a course of 040°T. At what time will you sight New Haven Light if the vi...
3. 3. At 2142, you take the following bearings: Stratford Point Light 331°T Stratford Shoal Middle Ground Light 280°T Old Field Point Light 223°T What is your 2142 po...
4. 4. What was the speed made good between 2114 and 2142?
5. 5. At 2142, you change course to make good 030°T and increase speed to 14 knots. You rendezvous with another vessel and receive fresh supplies while off New Haven...

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1. 1. Which statement is TRUE of a tender vessel?
2. 2. What will happen when cargo is shifted from the main deck into the lower hold of a vessel?
3. 3. Angular motion about the longitudinal axis of a vessel is known as __________.
4. 4. Using sheet 25 in the Guidance Manual for Loading M.V. Grand Haven, determine the amount of ballast required in tank No. 5 (P & S) to maintain drafts of 17'-00"...
5. 5. What does the line labeled "MS" indicate on the Great Lakes load line model shown in illustration D031DG below?

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1. 1. As a rule, ships of most configurations, when drifting in calm water with negligible current, will lie in which orientation?
2. 2. Given a dry bulb temperature of 78°F and wet bulb temperature of 66.5°F, the dew point is __________.
3. 3. When bunkering is complete, which is the correct procedure concerning the bunker hoses?
4. 4. If you wear extra clothing when entering the water after abandoning ship it will accomplish which of the following?
5. 5. The effect known as "bank cushion" acts in which of the following ways on a single-screw vessel proceeding along a narrow channel?

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1. 1. What causes variation in a compass?
2. 2. The buoy symbol printed on your chart is leaning to the northeast. This indicates __________.
3. 3. What does the abbreviation L.W.R.P. on the navigation maps mean?
4. 4. You are approaching a lock and see a flashing amber light located on the lock wall. You should __________.
5. 5. Under the IALA Buoyage System, which topmark shown in the illustration will be displayed on a safe watermark?

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1. 1. On the 10th of May at 1130, you leave the fleeting area at Gartness Lt mile 227.8 (AHP) bound for the Monsanto Terminal in St. Louis mile 178.0 (UMR). Your engi...
2. 2. You estimate the current as 2.5 mph. What is the speed over the ground?
3. 3. As you approach 265 (AHP) you notice on the map a circle with 2 black sectors. What does this symbol indicate?
4. 4. From Baton Rouge to Cairo, what is the maintained minimum channel depth during low water?
5. 5. On which map would you find Redman Point, Arkansas?

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