This is an interactive test. Read each question and select the proper answer by clicking on the appropriate answer. If a "Y" appears, your choice is correct. If a "N" appears, more study may be in order.
47: What is the distance in river miles, from the new mouth of the White River to the RR and Hwy bridge at Baton Rouge, LA?
N a. 384 miles N b. 370 miles Y c. 365 miles N d. 358 miles 59: You pass Warnicott Bar Lt. at 1146, 24 May. What is your ETA off the Mhoon Landing Gage if you average 6.5 mph?
N a. 0909, 27 May Y b. 1528, 26 May N c. 0426, 26 May N d. 0152, 26 May 157: At 1710 on 27 November, you are abeam of Kings Point Lt. (mile 439.8 AHP). At this time you receive a message that there will no be space for you at the Redneb Services Dock until after 1200 on the 29 November. What speed over the ground will you have to slow to so as not to arrive before this time?
N a. 5.4 mph N b. 6.1 mph N c. 6.9 mph Y d. 7.9 mph 251: You alter course from your 0045 position to head for Mattituck Breakwater Light "MI". If the visibility is 10 miles and you make good 9 knots, at what time will you lose sight of Saybrook Breakwater Light?
Y a. 0100 N b. 0123 N c. 0131 N d. The light is visible all the way to Mattituck Inlet 274: At what approximate distance would you expect Bartlett Reef Light to break the horizon, if the visibility is 27 nautical miles?
Y a. 12.8 nm N b. 12.0 nm N c. 6.9 nm N d. 5.9 nm 308: A vessel at LAT 20°00'N, LONG 107°30'W is to proceed to LAT 24°40'N, LONG 112°30 W. What is the course and distance by mid-latitude sailing?
N a. 314.0°T, 389.0 miles Y b. 315.3°T, 394.0 miles N c. 317.2°T, 397.0 miles N d. 318.3°T, 399.0 miles 339: The coastline by Cape Henry is best described as __________.
N a. rocky with pine scrubs N b. low wetlands Y c. sandy hills about eighty feet high N d. low and thinly wooded with many beach houses 344: The maximum ebb current at a location 4.3 miles south of Stratford Point will occur at 0413. The predicted current will be 1.0 knot at 075°. What will be your course made good if you steer 082°T at 8 knots?
N a. 087°T N b. 085°T N c. 083°T Y d. 081°T 345: The characteristic of Branford Reef Light is __________.
N a. flashing red every 4 seconds N b. flashing red every 3 seconds N c. flashing yellow every 4 seconds Y d. flashing white every 6 seconds 379: A vessel at LAT 32°05.0'N, LONG 81°06.0'W, heads for a destination at LAT 35°57.0'N, LONG 5°45.0'W. Determine the distance by Mercator sailing.
N a. 3128.2 miles Y b. 3770.6 miles N c. 4126.1 miles N d. 4508.0 miles 424: From your 0530 position, you set a course of 271°psc with an engine speed of 9 knots. At 0645, Cornfield Safe-Water Buoy is abeam to starboard. What speed have you averaged since 0530?
N a. 9.5 knots N b. 9.0 knots Y c. 8.6 knots N d. 7.5 knots 463: Determine the great circle distance and initial course from LAT 37°47.5'N, LONG 122°27.8'W to LAT 33°51.7'S, LONG 151°12.7'E.
N a. 6324.2 miles, 310.3°T N b. 6345.3 miles, 301.7°T N c. 6398.0 miles, 298.3°T Y d. 6445.2 miles, 240.3°T 499: Which chart should you use to enter Great Salt Pond?
N a. 13205 N b. 13207 N c. 13214 Y d. 13217 532: You depart LAT 26°03'S, LONG 10°28'E, for LAT 26°03'S, LONG 01°16'W. What are the course and distance by parallel sailing?
N a. 090°T, 547.2 miles N b. 090°T, 632.5 miles N c. 270°T, 547.2 miles Y d. 270°T, 632.5 miles 534: You depart LAT 52°01'N, LONG 176°09'E, for LAT 52°01'N, LONG 178°46'W. What are the course and distance by parallel sailing?
N a. 090°T, 95 miles Y b. 090°T, 188 miles N c. 270°T, 95 miles N d. 270°T, 188 miles 1078: On 6 April , your 1830 ZT DR position is LAT 26°33.0'N, LONG 64°31.0'W. You are on course 082°T at a speed of 16 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1900 running fix. NP-0008
N a. LAT 26°49.5'N, LONG 64°06.5'W Y b. LAT 26°32.5'N, LONG 64°27.1'W N c. LAT 26°31.2'N, LONG 64°32.1'W N d. LAT 26°28.7'N, LONG 64°32.1'W 1211: It is 15 July and you are keeping +7 zone time. You are on course 095°, speed 16 knots. Your 0800 DR position is LAT 25°39.4'N, LONG 129°46.2'W. What is the time of the second estimate of LAN by ship's clocks?
N a. 13h 40m 17s Y b. 13h 38m 26s N c. 12h 42m 20s N d. 12h 38m 20s 1477: On 27 June , your vessel's 0816 ZT DR position is LAT 22°14'S, LONG 53°52'W, when an azimuth of the Sun is observed. The chronometer time of the sight is 12h 15m 02s, and the Sun is bearing 047.5° per standard magnetic compass. The chronometer error is 00m 46s slow, and the variation in the area is 6.0°E. What is the deviation of the standard magnetic compass?
N a. 1.5°E N b. 1.9°W Y c. 3.0°W N d. 3.0°E 1502: On May 20 , you are keeping ZD +4, and your 2300 (ZD +4) DR position is LAT 42°07'N, LONG 81°02'W. At that time, you observe Polaris bearing 012°psc. The chronometer time of the observation is 03h 02m 23s, and the chronometer is 1m 17s fast. The variation is 9.5°W. What is the deviation of the magnetic compass?
Y a. 2.7°W N b. 12.2°W N c. 6.8°E N d. 12.2°E 1669: On 19 June , your vessel's 0523 ZT DR position is LAT 25°12.0'N, LONG 123°14.0'W, when an amplitude of the Sun is observed. The Sun's center is on the visible horizon and bears 052.0° per standard compass. Variation in the area is 15°E. The chronometer reads 01h 21m 58s and is 01m 18s slow. What is the deviation of the standard compass?
N a. 1.4°E N b. 1.4°W N c. 1.7°W Y d. 3.3°W 1762: What are the dimensions of the Old River Lock on the Lower Old River (mile 304 AHP)?
N a. 1175 x 75 feet Y b. 1190 x 75 feet N c. 1195 x 84 feet N d. 1202 x 84 feet 1874: On 2 October , your 1845 DR position is LAT 28°09.2'S, LONG 167°48.1'E. You observe a faint star through a hole in the clouds at a sextant altitude (hs) of 25°19.4' bearing 273°T. The index error is 1.3' off the arc, and the height of eye is 42 feet. The chronometer reads 07h 46m 19s and is 0m 51s fast. What star did you observe?
N a. Alpha Serpentis Y b. Beta Librae N c. Beta Lupi N d. Epsilon Bootis 2024: On 3 December , evening twilight for your vessel will occur at 1901 zone time. Your vessel's DR position for this time will be LAT 24°18.5'S, LONG 110°30.6'W. Considering their magnitude and location, what are the three stars best suited to observe for a fix at star time?
N a. Canopus, Hamal, Deneb Y b. Alpheratz, Achernar, Nunki N c. Antares, Fomalhaut, Mirfak N d. Rigel, Canopus, Regulus 2176: On 9 November , at 0426 ZT, your position was LAT 25°17.0'S, LONG 154°16.0'E. Your vessel is steaming at 14.0 knots on course 066°T. A sextant observation of the Sun's lower limb is made at 0837 ZT. The chronometer reads 10h 35m 21s, and the sextant altitude (hs) is 50°26.9'. The index error is 1.5' on the arc, and the chronometer error is 01m 48s slow. Your height of eye on the bridge is 56.0 feet. What is the observed altitude (Ho) and azimuth (Zn) of this sight using the assumed position?
N a. 50°18.1', 086.3°T N b. 50°18.1', 093.7°T Y c. 50°33.5', 085.9°T N d. 50°33.5', 093.7°T 2340: You have steamed 775 miles at 17 knots, and consumed 145 tons of fuel. If you have to steam 977 miles to complete the voyage, how many tons of fuel will be consumed while steaming at 18 knots?
Y a. 204 tons N b. 181 tons N c. 163 tons N d. 129 tons 2442: Anchorage regulations for this area may be obtained from __________.
N a. Office of Commander 2nd Coast Guard District Y b. District Engineer, Corps of Engineers, Norfolk, VA N c. Virginia - Maryland Pilots Association N d. Chesapeake Bay Port Authority, Hampton VA 2533: In high water conditions, which publication would you consult for the latest information on buoys between Baton Rouge and Cairo?
N a. List of Buoys and Daymarks N b. Coast Pilot N c. Army Corps. of Engineers Navigation Chart Y d. U.S.C.G. Local Notice to Mariners 2651: You are steering 246°T, and a light is picked up dead ahead at a distance of 14 miles at 1037. You change course to pass the light 2.5 miles off abeam to port. If you are making 12 knots, what is your ETA at the position 2.5 miles off the light?
N a. 1143 Y b. 1146 N c. 1149 N d. 1152 2684: You are steering 173°T, and a light is picked up dead ahead at a distance of 13.9 miles at 0054. You change course to pass the light 4.5 miles off abeam to port. If you are making 21 knots, what is your ETA at the position 4.5 miles off the light?
N a. 0122 N b. 0125 Y c. 0131 N d. 0134 2892: You are steaming on a course of 114°T at 17 knots. At 1122 you observe a lighthouse bearing 077°T. At 1133 the lighthouse bears 051°T. What is your distance off at the second bearing?
N a. 3.3 miles N b. 3.9 miles Y c. 4.3 miles N d. 4.9 miles 3088: If the pitch of the propeller is 21.5 feet, and the revolutions per day are 96,666, calculate the day's run allowing 9% negative slip.
N a. 311.1 miles N b. 341.8 miles N c. 357.9 miles Y d. 372.6 miles 3272: Your vessel arrives in port with sufficient fuel to steam 775 miles at 17 knots. If you are unable to take on bunkers, at what speed must you proceed to reach your next port, 977 miles distant?
Y a. 15.1 knots N b. 15.8 knots N c. 17.2 knots N d. 17.7 knots 3291: While steaming at 19.5 knots, your vessel burns 297 bbls of fuel per day. What will be the rate of fuel consumption if you decrease speed to 15 knots?
Y a. 135 bbls N b. 176 bbls N c. 229 bbls N d. 243 bbls 3754: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 014°T, and the variation is 11°E. If the heading of your vessel at the time of the sighting is 009° per standard magnetic compass, what is the correct deviation?
N a. 5°E N b. 5°W N c. 6°E Y d. 6°W 4008: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2°E. The variation is 8°W. Find the deviation on a gyro heading of 037°.
HEADING HEADING HEADING
PSC PGC PSC PGC PSC PGC
358.5° - 350° 122.5° - 110° 239.5° - 230°
030.5° - 020° 152.0° - 140° 269.0° - 260°
061.5° - 050° 181.0° - 170° 298.0° - 290°
092.0° - 080° 210.0° - 200° 327.5° - 320°
Y a. 1.0°W N b. 1.5°W N c. 1.5°E N d. 2.0°E 10705: At 0726 you depart Lake Montauk with light 1 close aboard and set course 013.5° per standard magnetic compass at 7.6 knots. At 0812 your GPS position is LAT 41°10.0'N, LONG 71°55.9'W. What is the current?
N a. 151°T at 1.0 knot Y b. 164°T at 0.7 knot N c. 334°T at 1.1 knots N d. 321°T at 0.8 knot 11109: What is the velocity of the maximum ebb current approximately 1.1 miles ENE of Little Gull Island in the afternoon of 25 April 1983?
Y a. 5.5 knots N b. 4.7 knots N c. 4.2 knots N d. 1.3 knots 11308: At 1919 your position is LAT 37°00.0'N, LONG 75°30.0'W. At 2011 your position is LAT 36°59.5'N, LONG 75°44.9'W. What was the speed made good?
Y a. 13.7 knots N b. 12.0 knots N c. 11.6 knots N d. 10.9 knots 12201: Your vessel is steady on a heading of 203° per standard magnetic compass when you sight New Haven Light and New Haven Outer Channel Range Front Light in line over the stern. This information indicates that the __________.
N a. existing deviation table is correct for this heading N b. compass error is 17°W Y c. deviation table is in error for this heading N d. deviation is 1°E 12707: You are on course 246° per standard magnetic compass when you take the following bearings: Little Gull Island Light 286° Race Rock Light 308° Latimer Reef Light 018°What is your position?
N a. LAT 41°12.6'N, LONG 71°55.7'W N b. LAT 41°12.6'N, LONG 71°56.6'W Y c. LAT 41°12.7'N, LONG 71°56.0'W N d. LAT 41°13.1'N, LONG 71°56.1'W 13308: You are navigating 1 mile north of Cape Henry Lighthouse at the southern entrance to Chesapeake Bay. You observe that this area is bounded on the chart by magenta bands. This indicates a(n) __________.
N a. fish trap area N b. explosive anchorage Y c. pilotage area N d. danger zone 13703: NOAA weather broadcasts can be received on what frequency while navigating off Cape Henry?
N a. 162.45 MHz Y b. 162.55 MHz N c. 162.65 MHz N d. 162.70 MHz 14602: Where would you tune your radio to receive a VHF-FM weather broadcast for the Columbia River in the vicinity of Government Island?
N a. KIH-32 - 162.40 MHz N b. KBA-99 - 162.40 MHz Y c. KEB-97 - 162.55 MHz N d. KEC-62 - 162.55 MHz 15245: After departing the New Haven terminals, your 1800 position puts the New Haven Harbor Lighted Bell Buoy "NH" bearing 130°T at a range of 0.2 mile. From this position you set a course to leave Stratford Shoal Middle Ground Light 1.0 mile off your starboard beam. Your speed is 12.5 knots. At 1845 you determine your position to be LAT 41°05.5'N,
LONG 73°03.1'W. What were the set and drift of the current?
N a. 294°T at 0.5 knot Y b. 294°T at 0.8 knot N c. 114°T at 0.5 knot N d. 114°T at 0.8 knot 15306: Your 0200 position is LAT 37°23.5'N, LONG 76°09.2'W. Your speed is 8 knots, and your course is 095°T. Which statement is TRUE?
N a. The depth of the water in your vicinity is about 38 to 40 fathoms (69.1 meters to 72.7 meters). Y b. You are less than a mile from a sunken wreck which could interfere with your tow. N c. The closest major aid to navigation is New Point Comfort Light. N d. You will pass through a disposal area on your present course. 15506: You are underway in the vicinity of Block Island and obtain the following lines of position:
Montauk Point Light 263°pgc
Block Island Southeast Light 026°pgc
Radar Bearing to Block Island Southwest Point 348°pgc
What is your position at the time of these sightings?
N a. LAT 41°05.0'N, LONG 71°36.2'W N b. LAT 41°05.1'N, LONG 71°36.0'W Y c. LAT 41°05.3'N, LONG 71°35.8'W N d. LAT 41°05.4'N, LONG 71°35.5'W 15546: At 2350 the gyro is restored to service. At 0016 the visibility improves. At 0028 you sight Bartlett Reef Light in line with New London Harbor Light bearing 039°pgc. What is the gyro error?
Y a. 2°E N b. 0° N c. 2°W N d. 4°W 15622: What are the dimensions of the Old River Lock on the Lower Old River (304 AHP)?
Y a. 1190 x 75 feet N b. 1195 x 75 feet N c. 1195 x 84 feet N d. 1202 x 84 feet 15712: At 0910, your DR position is LAT 41°11.9'N, LONG 72°47.8'
W. Your vessel is on course 097°T at 9.5 knots, and the weather is foggy. At 0915, Branford Reef Light is sighted through a break in the fog bearing 318°T. At 0945,
Falkner Island Light is sighted bearing 042°T. What is your 0945 running fix position?
N a. LAT 41°11.1'N, LONG 72°41.2'W N b. LAT 41°11.3'N, LONG 72°41.3'W N c. LAT 41°11.4'N, LONG 72°41.0'W Y d. LAT 41°11.5'N, LONG 72°40.7'W 15822: You are turning for 10 mph, approaching Angola, LA. Angola reports that the current at Red River Landing is estimated at 4.5 MPH. Which of the following statements is TRUE?
N a. You are making 14.5 mph over the ground. Y b. You should expect to encounter vessels crossing the river at mile 300.5 AHP. N c. You would expect to find a more favorable current near the broken red line in the river. N d. Hog Pt. Light and Hog Pt. Lower Light may be used as range lights when entering Shreves cut-off. 15861: At 0125, Mattituck Inlet Light bears 203°pgc at 2.1 miles.
What is the approximate depth of the water under the keel?
N a. 46 fathoms (83.6 meters) N b. 44 fathoms (80.0 meters) N c. 43 feet (13.0 meters) Y d. 38 feet (11.5 meters) 16320: Which course should you change to per standard magnetic compass as you pass SW Ledge Light to remain in the channel?
N a. 007°psc N b. 014°psc Y c. 021°psc N d. 026°psc 16466: The abandoned lighthouse at Cape Henry is a(n) __________.
Y a. gray, pyramidal tower N b. mound of broken rubble N c. octagonal, black and white tower N d. black, skeleton structure 16744: You continue to steer 285°pgc from your 0052 fix. Your speed is 9.2 knots. What is the course per standard magnetic compass?
N a. 273.5° N b. 276.0° N c. 298.0° Y d. 302.0°