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.
66: At 2126, you pass Morganza Bend Light (mile 278.4 AHP). At 0122, 4 January, you pass Red River Landing Gage (302.4 AHP). You have been turning for 7.5 mph. What is the current?
N a. 6.2 mph N b. 2.7 mph N c. 1.8 mph Y d. 1.4 mph 102: The latest available information on the channel conditions above Baton Rouge that includes recommended course and the latest buoy information is found in the __________.
Y a. Local Notice to Mariners N b. Waterways Journal N c. Sailing Directions N d. Corps. of Engineers maps 286: Your 1900 position is LAT 37°12.9'N, LONG 76°13.5'W. You change course to 317°pgc and slow to 8.0 knots. What is the course per standard magnetic compass?
Y a. 329°psc N b. 319°psc N c. 311°psc N d. 309°psc 300: You are bound for New London. Where will you cross the demarcation line and be governed by the Inland Rules of the Road?
N a. You are already governed by the Inland Rules. N b. Above the Thames River Bridge Y c. In the Race N d. You will not be governed by the Inland Rules. 357: If the visibility is 5 miles and you are in the red sector, at what distance off should you sight Cape Henry Light?
Y a. 09 miles N b. 11 miles N c. 13 miles N d. 15 miles 361: Which publication contains the specific information about navigating in York Spit Channel?
Y a. Coast Pilot N b. Light List N c. Chesapeake Bay Harbor- master's Regulations Manual N d. Navigator's Manual - Chesapeake Bay 373: What is your ETA at point "A"?
N a. 0702 N b. 0655 Y c. 0651 N d. 0640 421: At 0345, you set a course to depart New London Harbor. Assuming no set and drift, which standard magnetic compass course must you steer to stay in the middle of the channel?
N a. 192°psc N b. 190°psc Y c. 187°psc N d. 175°psc 533: 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?
N a. 090°T, 1576.5 miles N b. 090°T, 2879.0 miles Y c. 270°T, 1576.5 miles N d. 270°T, 2868.5 miles 565: If visibility permits, Little Gull Island Light will break the horizon at a range of approximately __________.
N a. 18.0 miles Y b. 15.6 miles N c. 12.8 miles N d. 11.1 miles 617: Your vessel will sail from a position in LAT 8°51.0'N, LONG 81°31.0'W to a position at LAT 33°51.5'S, LONG 151°13.0'E. The distance by great circle is 7,635 miles, and you estimate an average speed of 15.0 knots. What is your estimated zone time of arrival if you depart at 1510 ZT, on 23 July?
Y a. 1110, 14 August N b. 0110, 14 August N c. 1110, 13 August N d. 1510, 13 August 685: What company does NOT have a marine facility along the river bank in Madison Parish (mile 457.0 AHP)?
N a. Complex Chemical Co. N b. Delta Southern Railroads Y c. Baxter Wilson Steam N d. Farm Chemical 745: On 13 October , at 1847 ZT, your vessel's DR position is LAT 42°17.4'N, LONG 138°46.2'W. At approximately this time, you obtain a sextant altitude (hs) of Polaris reading 42°16.8', with an index error of 3.2' on the arc. Your chronometer reads 03h 45m 20s and is 1m 32s slow. What is your latitude by Polaris, given a height of eye of 44 feet?
Y a. 42°09.1'N N b. 42°12.5'N N c. 42°16.0'N N d. 42°19.5'N 756: Anchorage regulations for this area may be obtained from __________.
N a. Commanding General, Corps of Engineers, Washington, D.C. Y b. Office of the Commander 5th Coast Guard District N c. Virginia - Maryland Pilots Association N d. Chesapeake Bay Port Authority, Hampton VA 1251: On 16 August , your 1600 ZT DR position is LAT 26°17.0'N, LONG 165°17.0'E. You are on course 301°T at a speed of 15 knots. What will be the zone time of sunset at your vessel?
N a. 1827 N b. 1832 Y c. 1838 N d. 1845 1295: After passing Wilkinson Lt. you see a flashing amber light on the right descending bank ahead. The flashing light indicates that you should __________.
N a. stay in the deepest water N b. slow down due to dredging operations Y c. keep as close to the left descending bank as safety permits N d. keep as close to the right descending bank as safety permits 1419: Which light will you be passing at 0059, on 22 September, if you make good 9.2 knots?
Y a. Obion Bar Lt. N b. Kate Aubrey Lt. N c. Trotter Lt. N d. Quaker Oats Lt. 1540: You estimate the current at 2.0 mph. What is the speed over the ground?
N a. 9.5 mph Y b. 5.5 mph N c. 5.0 mph N d. 4.5 mph 1777: At 2232 ZT, on 14 July , in DR position LAT 33°52'S, LONG 150°03'W you observe an amplitude of Jupiter. The planet is about one Sun's diameter above the visible horizon and bears 268.5°pgc. The variation is 15°E. What is the gyro error?
Y a. 1.0°E N b. 0.5°E N c. 0.0° N d. 0.5°W 1903: On 22 April , your 1852 DR position is LAT 23°54.5'N, LONG 117°36.8'W. You observe an unidentified star bearing 259°T at an observed altitude (Ho) of 41°15.2'. The chronometer reads 02h 54m 53s, and is 02m 51s fast. What star did you observe?
N a. Diphda Y b. Betelgeuse N c. Gienah N d. Arcturus 1926: On 23 September , your 1836 DR position is LAT 25°18'S, LONG 162°36'E. You observe an unidentified star bearing 022°T at an observed altitude (Ho) of 13°16'. The chronometer reads 07h 34m 12s, and is 01m 54s slow. What star did you observe?
N a. Antares Y b. Deneb N c. Achernar N d. Sirius 2125: From your 0410 fix, what is the course per standard magnetic compass to enter York Spit Channel with buoy "29"
close abeam to starboard?
N a. 172°psc N b. 176°psc Y c. 198°psc N d. 202°psc 2335: You are underway and intend to make good a course of 088°T. You experience a current with a set and drift of 300°T at 2.4 knots, and a southerly wind produces a leeway of 3°. You adjust your course to compensate for the current and leeway, while maintaining an engine speed of 16 knots. What will be your speed made good over your intended course of 088°T?
N a. 13.4 knots Y b. 13.9 knots N c. 14.4 knots N d. 14.9 knots 2532: At 0715, on March 9, you pass Knox Landing GagE C313.8 AHP) and estimate the current will average 3.5 mph for the remainder of the time on the Mississippi River. What is your ETA at the mouth of the Ohio River if you increase speed to turn for 10 mph?
N a. 0640, 11 March N b. 0554, 12 March Y c. 0943, 13 March N d. 1242, 13 March 2594: What will be the current at Port Jefferson entrance at 0130 on December 5, 1983?
N a. 1.4 knots, flood N b. 1.4 knots, ebb N c. 0.8 knot, flood Y d. 0.8 knot, ebb 2781: Your engine speed is 9.8 mph and you estimate the current at 1.6 mph. What is your speed over the ground?
N a. 11.0 mph N b. 9.8 mph N c. 8.6 mph Y d. 8.2 mph 2895: You are steaming on a course of 246°T at 17 knots. At 2107 you observe a lighthouse bearing 207°T. At 2119 the lighthouse bears 179°T. What is your distance off at the second bearing?
N a. 3.9 miles N b. 4.2 miles Y c. 4.6 miles N d. 5.1 miles 3052: The propeller on a vessel has a diameter of 21.2 feet and a pitch of 20.0 feet. What would be the apparent slip if the vessel cruised 391 miles in a 24 hour day (observed distance) at an average RPM of 88?
N a. -11.5% N b. +11.5% N c. -6.2% Y d. +6.2% 3076: If the speed necessary for reaching port at a designated time is 16.4 knots and the pitch of the propeller is 23.8 feet, how many revolutions per minute will the shaft have to turn, assuming a 6% positive slip?
N a. 66 Y b. 74 N c. 82 N d. 90 3288: While steaming at 13.5 knots, your vessel consumes 251 barrels of fuel oil per day. In order to reduce consumption to 129 barrels of fuel oil per day, what is the maximum speed the vessel can turn for?
N a. 6.9 knots N b. 9.7 knots Y c. 10.8 knots N d. 12.7 knots 3299: You have steamed 174 miles and consumed 18 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 416 miles?
N a. 34.9 tons N b. 38.4 tons Y c. 43.0 tons N d. 46.2 tons 10604: At 2245 your GPS position is LAT 41°01.75'N, LONG 72°48.40'W. You are steering course 086° per standard magnetic compass at a speed of 6.0 knots. At 2400 you fix your position by plotting several compass bearings on nearby known fixed objects. These result in a position of LAT 41°04.20'N, LONG 72°38.85'W. What were your set and drift?
N a. 162°T at .2 knot N b. 180°T at .4 knot N c. 339°T at .5 knot Y d. 007°T at .4 knot 11103: Point Judith Harbor of Refuge (LAT 41°22'N, LONG 71°30'W) __________.
N a. is used only by tows N b. has moorings for small craft along the breakwater N c. is easily entered in all sea conditions Y d. is entered through either the East Gap or the West Gap 11305: At 1919 your position is LAT 37°00.0'N, LONG 75°30.0'W. At 2000 your position is LAT 36°59.5'N, LONG 75°37.0'W. What was the speed made good?
N a. 5.6 knots N b. 6.6 knots Y c. 8.2 knots N d. 9.1 knots 12310: You sight North Dumpling Island Light in line with Latimer Reef Light (LAT 41°18.2'N, LONG 71°56.0'W) bearing 091° per standard magnetic compass. If your vessel was heading 246° per standard magnetic compass at the time, which of the following is TRUE?
N a. The deviation table is correct. Y b. The compass error is 18°W for that heading. N c. The deviation is equal to the variation. N d. The deviation is equal to but of opposite sign to the variation. 12310: You sight North Dumpling Island Light in line with Latimer Reef Light (LAT 41°18.2'N, LONG 71°56.0'W) bearing 091° per standard magnetic compass. If your vessel was heading 246° per standard magnetic compass at the time, which of the following is TRUE?
N a. The deviation table is correct. Y b. The compass error is 18°W for that heading. N c. The deviation is equal to the variation. N d. The deviation is equal to but of opposite sign to the variation. 12705: You are on course 087° per standard magnetic compass when you take the following bearings: Little Gull Island Light 277°psc Race Rock Light 303°psc Latimer Reef Light 025°psc What is your position?
Y a. LAT 41°13.1'N, LONG 71°57.5'W N b. LAT 41°13.1'N, LONG 71°56.9'W N c. LAT 41°13.0'N, LONG 71°58.0'W N d. LAT 41°12.9'N, LONG 71°57.2'W 14002: At 1630 your vessel exits Bonneville Lock steaming in a westerly direction. What speed must you average to arrive at the Interstate 5 highway bridge with an ETA of 2120?
N a. 6 mph N b. 7 mph Y c. 8 mph N d. 9 mph 15009: At 1930, your position is LAT 37°16.7'N, LONG 75°37.7'W. The depth of water is approximately __________.
N a. 30 feet ( 9.1 meters) N b. 40 feet (12.1 meters) Y c. 50 feet (15.1 meters) N d. 60 feet (18.1 meters) 15044: At 0841 Chesapeake Light bears 164° true, Cape Charles Light bears 312° true, and Cape Henry Light bears 247°
true. What was your course made good since 0811?
Y a. 226°true N b. 230°true N c. 233° true N d. 237°true 15065: At 0925, you plot the following:
Falkner Island Light bearing 252° true @ 1.8 nm
If you correct for a current setting 035°T at 0.5 knot,
what true course will you steer from the 0925 position to arrive at a position 0.5 mile south of Long Sand Shoal West End Horn Buoy "W"?
N a. 089°T N b. 092°T Y c. 095°T N d. 102°T 15216: Which of the following concerning Thimble Shoal Channel is TRUE?
N a. Only deep-draft passenger ships and large naval vessels may use the main channel. N b. The channel is 14.5 miles in length. Y c. A tow drawing 20 feet is excluded from the main channel. N d. Thimble Shoal Channel is in international waters. 15239: At 1000 buoy "PI" is abeam to starboard a distance of 0.5 mile. From this position, with a set of 295° and a drift of 1.6 knots, what course must you steer to arrive at a point with Buoy "TE" one mile abeam to starboard?
Y a. 247°T N b. 249°T N c. 251°T N d. 253°T 15358: At 0507, Stratford Shoal Middle Ground Light bears 208°pgc. What is the position of your 0507 running fix?
N a. LAT 41°04.8'N, LONG 73°05.0'W N b. LAT 41°04.9'N, LONG 73°04.8'W Y c. LAT 41°05.1'N, LONG 73°05.1'W N d. LAT 41°05.3'N, LONG 73°04.8'W 15560: In clear weather, you will lose sight of Point Judith Light at what distance? (use charted range of 20 miles as nominal range)
Y a. 14.0 nm N b. 12.6 nm N c. 10.3 nm N d. 9.2 nm 15565: From your 0600 position, what is the course per gyrocompass to leave Watch Hill Light abeam to starboard at 2.0 miles if a southerly wind is producing 3° of leeway?
N a. 251°pgc N b. 254°pgc N c. 257°pgc Y d. 261°pgc 15658: What course should you steer by the standard magnetic compass in order to maintain a heading of 081°pgc?
N a. 062°psc N b. 080°psc N c. 090°psc Y d. 095°psc 16013: At 0430, you take the following bearings:
Stratford Point Light bearing 307° pgc
Middle Ground Light bearing 239° pgc
What is your 0430 position?
N a. LAT 41°08.9'N, LONG 73°00.0'W N b. LAT 41°05.0'N, LONG 73°01.1'W N c. LAT 41°05.5'N, LONG 72°59.7'W Y d. LAT 41°05.8'N, LONG 73°00.8'W 16264: Which statement about your 0400 position is true?
N a. You are governed by the Inland Rules of the Road. N b. Anchoring, trawling and fishing are prohibited. N c. The ocean floor is composed of shingle. Y d. You are within the Territorial Sea and the contiguous zone. 16407: At 0227, you are on course 087°T at 10 knots. What course per standard magnetic compass should you steer to make good your true course?
N a. 099°psc N b. 102°psc Y c. 105°psc N d. 109°psc 16438: Chesapeake Channel is temporarily closed to traffic.
At 2215 you anchor on the following bearings:
Wolf Trap Light 358°pgc
Light "HH" 301°pgc
New Point Comfort Light "2" 263°pgc
What is your 2215 position?
Y a. LAT 37°18.3'N, LONG 76°10.9'W N b. LAT 37°18.2'N, LONG 76°11.2'W N c. LAT 37°18.1'N, LONG 76°10.8'W N d. LAT 37°18.0'N, LONG 76°11.2'W 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 16545: At 0030 you alter course and speed to make good 265°T at 10 knots. What is your ETA at a point where Stratford Shoal Middle Ground Light is abeam?
N a. 0218 N b. 0223 N c. 0228 Y d. 0233