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.
46: At 2342, on 25 August, you pass under the Helena Highway Bridge (mile 661.7 AHP). What has been the average speed of the current since departing Memphis Harbor, McKellar Lake, if you have been making turns for 9 mph?
N a. 5.6 mph N b. 4.4 mph N c. 2.1 mph Y d. 1.8 mph 113: What is indicated by the two light gray shaded areas that cross the river above False River Lt. (mile 251.0 AHP)?
N a. Ferry crossings Y b. Utility crossings N c. Aerial cable crossings N d. Bridge construction 165: Which company does NOT have a marine facility along the river bank in Helena (mile 661 to 665 AHP)?
Y a. Helena Grain, Inc. N b. Helena Bridge Terminal, Inc. N c. Quincy Soybean Co. N d. Texas Eastern Pipeline Co. 245: On chart 12354, the datum from which heights of objects are taken is __________.
N a. lowest low water N b. mean low water Y c. mean high water N d. mean lower low water 261: You must arrive at your final destination by 0800. The distance from your 0300 position to the final destination is 40.5 miles. What minimum speed must be made good to arrive on time?
N a. 9.6 knots N b. 9.3 knots N c. 8.5 knots Y d. 8.1 knots 290: What was the speed made good from 1845 to 1930?
N a. 6.2 knots N b. 6.8 knots N c. 7.5 knots Y d. 8.3 knots 351: At 0430, you change course and speed to make good 090°T at 10 knots. At 0433, you slow due to an engineering casualty and estimate you are making good 5.5 knots. At what time will Branford Reef Light bear 000°T?
N a. 0624 N b. 0620 Y c. 0609 N d. 0601 385: At 0715 you take the following bearings:
Race Rock Light 328°pgc
Little Gull Island Light 249°pgc
Mt. Prospect Antenna 036°pgc
Based on your 0715 fix, which statement is TRUE?
N a. You are governed by the Inland Rules. N b. Your fathometer reads about 265 fathoms. N c. You are in a cable area. Y d. You are to the left of your track line. 426: The broken magenta line which runs parallel to the shore between Roanoke Point and Mattituck Inlet marks a __________.
Y a. fish trap area N b. pipeline N c. demarcation line N d. cable area 474: You are on a great circle track departing from LAT 25°50.0'N, LONG 77°00.0'W and your initial course is 061.7°T. The position of the vertex is LAT 37°35.6'N, LONG 25°57.8'W.
What is the distance along the great circle track between the point of departure and the vertex?
N a. 2735.1 miles Y b. 2664.9 miles N c. 2583.2 miles N d. 2420.0 miles 675: You are planning a voyage from Godthab, Greenland, to Cayenne, French Guiana. Using chart WOXZC 5274, determine which statement is TRUE.
N a. Godthab is located at the Northern Hemisphere vertex. Y b. The rhumb line track approximates a great circle track. N c. A great circle track will be considerably shorter due to the length of the voyage. N d. Distance is measured by using the length of meridian at the point of tangency. 814: On 1 July , your 0515 zone time fix gives you a position of LAT 23°24.0'S, LONG 151°42.0'W. Your vessel is on course 240°T, and your speed is 10.0 knots. Local apparent noon (LAN) occurs at 1215 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 42°55.0'. What is the latitude at 1200 ZT?
N a. 24°02.5'S N b. 24°01.0'S Y c. 23°59.7'S N d. 23°58.6'S 983: On 17 January , your 0730 zone time position was LAT 22°26.0'N, LONG 152°17.0'E. Your vessel was steaming on course 136°T at a speed of 17.0 knots. An observation of the Sun's lower limb was made at 1015 ZT. The chronometer read 00h 13m 23s and was slow 01m 49s. The observed altitude (Ho) was 40°25.7'. LAN occurred at 1222 zone time. The observed altitude (Ho) was 47°48.1'. What was the longitude of your 1200 zone time running fix?
N a. LONG 153°04.2'E N b. LONG 153°08.3'E Y c. LONG 153°13.1'E N d. LONG 153°18.6'E 1094: On 12 Oct. , your vessel is on course 081°T, speed 20 knots. Your 1800 zone time DR position is LAT 26°11.0'S, LONG 77°18.0'E. You observed 3 celestial bodies. Determine the latitude and longitude of your 1835 running fix. NP-0024
N a. LAT 26°05.5'S, LONG 77°14.5'E N b. LAT 26°07.5'S, LONG 77°34.0'E N c. LAT 26°09.0'S, LONG 77°27.5'E Y d. LAT 26°12.0'S, LONG 77°31.0'E 1206: Your 0900 DR position is LAT 23°16'N, LONG 146°12'E. Your vessel is on a course of 286°T, at a speed of 14.5 knots. Determine the zone time of LAN on 14 March .
N a. 1151 N b. 1209 N c. 1223 Y d. 1228 1257: On 5 May , your 1300 ZT DR position is LAT 25°16.0'S, LONG 12°30.0'W. You are on course 012°T at a speed of 14 knots. What will be the zone time of sunset at your vessel?
N a. 1702 Y b. 1719 N c. 1730 N d. 1741 1272: At 1800 zone time, on 7 December , your DR position is LAT 22°48'S, LONG 91°26'W. You are steering 320°T at a speed of 14.0 knots. What is the zone time of sunset?
N a. 1830 N b. 1836 Y c. 1842 N d. 1852 1279: At 0327 ZT, on 29 May , your DR position is LAT 25°00'N, LONG 64°15'W. You are steering 270°T at a speed of 13.6 knots. What is the zone time of sunrise?
N a. 0521 Y b. 0529 N c. 0536 N d. 0548 1414: What is the mile point of the Fulton Gage?
N a. 598 AHP N b. 632 AHP N c. 687 AHP Y d. 778 AHP 1418: How far is it to the Hernando Desoto Bridge in Memphis, TN?
N a. 980.8 miles N b. 736.6 miles N c. 312.3 miles Y d. 218.1 miles 1470: On 1 March , your 2135 zone time DR position is LAT 23°54.0'N, LONG 63°22.0'W. At that time, you observe Schedar bearing 328°psc. The chronometer reads 01h 35m 16s, and the chronometer error is 00m 07s slow. The variation is 3.5°E. What is the deviation of the standard compass?
N a. 2.3°E N b. 2.5°W Y c. 3.2°W N d. 4.2°E 1756: You pass Hole in Wall Light at 1200, 24 May. What is your ETA off the Mhoon Landing Gage if you average 6.5 mph?
N a. 0152, 26 May N b. 0426, 26 May N c. 1128, 26 May Y d. 1221, 26 May 1912: On 22 February , your 1857 DR position is LAT 23°46.0'S, LONG 93°16.5'E. You observe an unidentified star bearing 108°T at an observed altitude (Ho) of 67°53.9'. The chronometer reads 01h 00m 35s, and is 03m 25s fast. What star did you observe?
Y a. Adhara N b. Miaplacidus N c. Avior N d. Suhail 1964: The Platte River empties into which river?
N a. Mississippi Y b. Missouri N c. Ohio N d. Tennessee 2123: At 0410, you take the following bearings:
New Point Comfort Light "2" 244°pgc Wolf Trap Light 315°pgc What is your 0410 position?
N a. LAT 37°21.2'N, LONG 76°08.3'W N b. LAT 37°21.1'N, LONG 76°08.8'W N c. LAT 37°21.1'N, LONG 76°07.9'W Y d. LAT 37°21.0'N, LONG 76°08.1'W 2163: On 1 April , at 0515 zone time, morning stars were observed, and the vessel's position was determined to be LAT 27°05.0'N, LONG 16°30.0'W. Your vessel is steaming at 19.0 knots on a course of 022°T. A sextant observation of the Sun's lower limb is made at 0930 zone time. The chronometer reads 10h 28m 25s, and the sextant altitude is 46°20.3'. The index error is 4.5' off the arc, and the chronometer error is 02m 15s slow. Your height of eye on the bridge is 57.0 feet. What is the azimuth (Zn) of this sight using the assumed position?
N a. 121.6°T N b. 117.9°T Y c. 115.0°T N d. 112.2°T 2458: You have steamed 560 miles at 23 knots and burning 524 barrels of fuel per day. You must decrease your consumption to 260 barrels per day with 316 miles left in your voyage. What must you reduce your speed (kts) to in order to burn this amount of fuel?
N a. 16.3 N b. 18.6 N c. 19.9 Y d. 21.6 2535: What is the mile point of Hickman, KY Gage?
N a. 846.4 AHP N b. 889.0 AHP Y c. 922.0 AHP N d. 937.2 AHP 2666: You are on course 086°T, speed 11.7 knots. At 1013 you see a buoy bearing 088°T at a range of 4.8 miles. If you change course at 1019 to leave the buoy abeam to port at 1.0 mile, at what time will the buoy be abeam?
Y a. 1037 N b. 1040 N c. 1043 N d. 1052 2673: At 2221 your course is 222°pgc at a speed of 11.2 knots, when radar detects a buoy bearing 355° relative, at a range of 5.8 miles. The gyro error is 2°E. If you change course at 2226, what course should you steer to leave the buoy 1.0 mile abeam to port?
N a. 206°pgc N b. 210°pgc Y c. 228°pgc N d. 231°pgc 2685: You are steering 031°T, and a light is picked up dead ahead at a distance of 12.7 miles at 0017. You change course to pass the light 3.5 miles off abeam to starboard. If you are making 11 knots, what is your ETA at the position 3.5 miles off the light?
N a. 0118 N b. 0121 Y c. 0124 N d. 0127 2855: Your vessel is on a course of 107°T at 16 knots. At 0403 a light bears 129.5°T, and at 0426 the light bears 152°T. At what time and at what distance off will your vessel be when abeam of the light?
N a. 0434, 3.2 miles Y b. 0442, 4.3 miles N c. 0434, 4.3 miles N d. 0442, 3.4 miles 2886: Your vessel is steering 074°T at 12 knots. At 0214 a light bears 115°T, and at 0223 the same light bears 135°T. What will be your distance off abeam?
N a. 2.4 miles Y b. 3.0 miles N c. 3.5 miles N d. 4.2 miles 2888: 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 off when abeam of the light?
N a. 3.3 miles N b. 4.8 miles Y c. 6.7 miles N d. 8.7 miles 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 3293: Your vessel consumes 274 barrels of fuel per day at a speed of 17.5 knots. What will be the fuel consumption of your vessel at 13.5 knots?
Y a. 126 bbls N b. 163 bbls N c. 211 bbls N d. 253 bbls 10209: Your GPS position is LAT 41°08.5'N, LONG 72°28.8'W. What course must you steer per standard magnetic compass (psc) to leave Cornfield Lighted Whistle Buoy "CF" 0.5 mile abeam to port?
N a. 064°psc Y b. 077°psc N c. 088°psc N d. 092°psc 11804: Your engines are making turns for 8 knots and a northerly wind is causing 3° of leeway. There is a current of 220°T at 1.5 knots. What is the course to steer between Branford Reef Light and Faulkner Island Light?
Y a. 084°T N b. 095°T N c. 102°T N d. 108°T 13903: Your position is LAT 41°12.4'N, LONG 71°53.2'W. You are on course 163°T enroute to sea. You can ensure that you will clear Montauk Point if your loran reading is always __________.
N a. more than 9960-X-25990 Y b. less than 9960-W-14665 N c. more than 9960-Y-43870 N d. All of the above 15411: From your 1830 fix, you continue south on a course of 150°T turning RPMs for 6 knots. You encounter a flood current in the direction of 330°T at 2 knots. Adjusting your course for set and drift, which course would you steer to make good a course of 150°T while turning RPMs for 6 knots?
N a. 144°T Y b. 150°T N c. 158°T N d. 162°T 15460: At 0845, you are approaching the entrances to Thimble Shoal Channel. What channel must you use?
Y a. The South Auxiliary Channel since your draft is less than 25 feet (7.6 meters), and you are not a passenger vessel. N b. The South Auxiliary Channel or Thimble Shoal Channel, but you must remain on the right hand side of the main channel. N c. The North Auxiliary Channel since you are going to turn to a northerly heading near buoy "12". N d. You are not permitted to use any of the channels, but must remain outside the buoyed channel line. 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 15846: At 2200, you alter course to 204°T, at 14 knots. You expect a current on this leg of the trip, setting 325° at 1.5 knots. Which course should you steer per gyro compass to make good the true course?
N a. 184°pgc N b. 190°pgc N c. 194°pgc Y d. 201°pgc 15862: At 0125, you change course to make good 280°T. What is the course per standard magnetic compass?
N a. 290°psc Y b. 292°psc N c. 294°psc N d. 296°psc 15958: Your 1752 position is __________.
N a. less than 0.2 mile to the west of York Spit Channel N b. less than 0.2 mile to the east of York Spit Channel Y c. more than 0.2 mile to the west of York Spit Channel N d. more than 0.2 mile to the east of York Spit Channel 16113: After you enter Thimble Shoal Channel, you will alter course to pass between Trestle "A" and "B". Which channel should you use?
N a. Thimble Shoal Main Channel or the South Auxiliary Channel N b. Any of the channels but keep to the right hand side Y c. The South Auxiliary Channel N d. Thimble Shoal Main Channel 16207: If you change course at 0610, what is the course to steer to a point where Little Gull Island Light bears 180°T at 0.7 mile (Point "A")?
N a. 072°pgc N b. 076°pgc Y c. 080°pgc N d. 084°pgc 16345: Where will you cross the demarcation line between the International and Inland Rules of the Road?
N a. Between Montauk Point and Block Island Y b. In the Race N c. At the mouth of Bridgeport Harbor N d. Between Plum Gut and Niantic Bay 16408: You estimate that you are making 9.3 knots over the ground.
At what time will you enter waters governed by the COLREGS?
N a. 0247 Y b. 0251 N c. 0255 N d. 0258 16468: When Cape Henry Light is abeam, what is the approximate distance to Yorktown?
N a. 58 miles N b. 55 miles N c. 42 miles Y d. 34 miles 16538: At 2216 your position is LAT 41°16.0'N, LONG 72°08.0'W. Which statement is TRUE?
Y a. You are in the red sector of New London Harbor Light. N b. Your fathometer reads approximately 40 feet. N c. You will cross the Colregs Demarcation Line if you continue on your present course. N d. Little Gull Island Light bears 339°T at 4.3 miles.