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.
69: Which type of daymark will you see as you approach Joe Pierce Light (mile 335.4 AHP)?
Y a. Red Triangle N b. Red square N c. Red diamond N d. Private aid - no daymark 73: The area between Island 67 Upper Light (mile 623.1 AHP) and Sunflower Cut-off Foot Light (mile 624.8 AHP) is known as a __________.
Y a. crossing N b. chute N c. transit N d. slough 83: Which light characteristics does Catfish Point Lower Light (mile 572.2 AHP) have?
Y a. 2 red flashes every 5 seconds N b. 5 red flashes every 2 seconds N c. 2 white flashes every 5 seconds N d. 3 red flashes every 5 seconds 205: From your 1830 fix, you come left to a course of 290°T. Which of the following statements concerning Watch Hill Light is FALSE?
N a. The nominal range of its white light is 15 miles. N b. It displays both red and white lights. Y c. Its geographic range is 18.5 miles at a 35 foot (10.7 meter) height of eye. N d. Its horn blasts every 30 seconds in fog. 249: At 0005, on 26 January, your position is LAT 41°11.8'N, LONG 72°20.5'W. From this position, you plot a course to steer to Mattituck Breakwater Light "MI" with an engine speed of 9.0 knots. If there are no set and drift, what course should you steer?
N a. 225.0°psc N b. 230.5°psc Y c. 233.0°psc N d. 236.0°psc 653: On which voyage would a great circle track be significantly shorter than a rhumb line track? (Use gnomonic tracking chart WOXZC 5274)
Y a. Savannah, GA, to Lisbon, Portugal N b. Dublin, Ireland (Irish Sea), to La Coruna, Spain (LAT 43°22'N, LONG 8°24'W) N c. Reykjavik, Iceland, to Lisbon, Portugal N d. Boston to Sable Island 670: You are on a voyage from Cape May (LAT 39°50'N, LONG 74°45'W) to the English Channel (LAT 49°00'N, LONG 05°00'W). What will NOT prohibit the use of a great circle track from departure to arrival? (Use gnomonic chart WOXZC5274.)
N a. Newfoundland N b. Icebergs north of 48°N and west of 49°W N c. Islands approximately 50 miles south of Cape Cod Y d. The high latitude in which the vertex lies 686: The Vaucluse Trench fill revetment on the LMR extends from mile __________.
Y a. 535.6 - 532.9 RDB N b. 535.9 - 534.3 RDB N c. 535.9 - 534.3 LDB N d. 534.3 - 532.6 LDB 687: What is the distance from Cairo,IL, to Parkersburg, WV?
Y a. 795 miles N b. 733 miles N c. 597 miles N d. 537 miles 815: On 13 October , your 0515 zone time fix gives you a position of LAT 26°53.0'N, LONG 90°05.0'W. Your vessel is on course 068°T, and your speed is 7.8 knots. Local apparent noon (LAN) occurs at 1145 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 54°51.5'. What is the latitude at 1200 ZT?
Y a. 27°13.3'N N b. 27°14.6'N N c. 27°15.7'N N d. 27°16.8'N 993: Your 0745 ZT, 15 July , position is LAT 29°04.0'N, LONG 71°17.5'W. You are on course 165°T, and your speed is 8.0 knots. You observed 3 morning sun lines. Determine the latitude and longitude of your 1130 running fix? NP-0003
Y a. LAT 28°35.0'N, LONG 71°08.5'W N b. LAT 28°39.8'N, LONG 71°04.0'W N c. LAT 28°40.5'N, LONG 71°13.0'W N d. LAT 28°43.3'N, LONG 71°02.5'W 1269: At 1400 zone time, on 11 April , your DR position is LAT 25°40'N, LONG 91°00'W. You are steering 180°T at a speed of 10.0 knots. What is your zone time of sunset?
N a. 1812 N b. 1816 N c. 1820 Y d. 1825 1292: Which of the following statements regarding buoys on the Mississippi River is TRUE?
N a. Buoy positions on the chart are exact. Y b. Buoys should be given as wide a berth as possible in passing. N c. The buoys are maintained on station year round. N d. The buoys do not shift positions due to permanent moorings. 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 1737: At 1227, on 19 October, you pass under the Greenville Highway Bridge (mile 531.3 AHP). What speed must you average to arrive at Jimmy Hawken Light (mile 663.5 AHP) at 1045 the following day?
N a. 5.2 mph N b. 5.6 mph Y c. 5.9 mph N d. 6.3 mph 1779: At 2237 ZT, on 14 July , in DR position LAT 33°57'N, LONG 150°32'W you observe an amplitude of Saturn. The planet is about one Sun's diameter above the visible horizon and bears 258.6°psc. The variation is 14°E. What is the deviation?
Y a. 2.0°W N b. 1.0°W N c. 0.0° N d. 1.0°E 1888: On 8 April , your evening DR position is LAT 22°16.0'N, LONG 157°58.3'W. You observe an unidentified star bearing 238°T at an observed altitude (Ho) of 50°02.7'. The chronometer reads 05h 09m 57s, and is 01m 23s slow. What star did you observe?
N a. Betelgeuse N b. Aldebaran Y c. Alnilam N d. Bellatrix 1949: The circle with black and white quadrants located at mile 435.6 AHP is a __________.
N a. Daymark N b. Electrical Tower Y c. River Gage N d. Information Board 2052: The highest point on your towboat is 48 feet above the water, and the Memphis Gage reads +7.5 feet. What is the vertical clearance when you pass under the Hernando Desoto Bridge in Memphis?
Y a. 53.2 feet N b. 58.1 feet N c. 68.2 feet N d. 96.3 feet 2113: From your 0130 position, you change course to adjust for set and drift, and you later obtain the following bearings:
Mattituck Inlet Light bearing 104.5°true
Falkner Island Light bearing 001°true
What is the latitude and longitude of your fix?
N a. LAT 41°00.8'N, LONG 72°40.8'W N b. LAT 41°01.2'N, LONG 72°40.4'W N c. LAT 41°01.6'N, LONG 72°40.0'W Y d. LAT 41°02.0'N, LONG 72°39.5'W 2118: You are northwest of Port Jefferson Harbor steering 242°
per standard magnetic compass. As you continue westward, you see that the Port Jefferson Range Front Light and Rear Light come into line. If the deviation table is correct, the bearing of the range should be __________.
N a. 140°psc N b. 146°psc Y c. 157°psc N d. 160°psc 2154: On 30 June , at 0630 zone time, morning stars were observed, and the vessel's position was determined to be LAT 25°15.0'S, LONG 175°36.0'E. Your vessel is steaming at 16.0 knots on a course of 302°T. A sextant observation of the Sun's lower limb is made at 1015 zone time. The chronometer reads 10h 14m 38s, and the sextant altitude is 32°07.9'. The index error is 4.5' on the arc, and the chronometer error is 01m 25s slow. Your height of eye on the bridge is 58.0 feet. What is the azimuth (Zn) of this sight using the assumed position?
Y a. 035.3°T N b. 144.7°T N c. 186.5°T N d. 248.5°T 2330: At 0731, what is the approximate depth of water?
N a. 31 feet (9.4 meters) Y b. 41 feet (12.5 meters) N c. 52 feet (15.7 meters) N d. 58 feet (17.6 meters) 2457: You have steamed 369 miles at 16 knots and burning 326 barrels of fuel per day. You must decrease your consumption to 212 barrels per day with 271 miles left in your voyage. What must you reduce your speed (kts) to in order to burn this amount of fuel?
N a. 11.1 N b. 12.9 N c. 13.6 Y d. 15.1 2712: What is the length of the trip?
N a. 720.8 miles N b. 777.4 miles Y c. 897.2 miles N d. 906.3 miles 2859: Your vessel is on a course of 307°T at 20 knots. At 0914 a light bears 284.5°T, and at 0937 the light bears 262°T.
At what time and at what distance off will your vessel be when abeam of the light?
N a. 0950, 4.4 miles Y b. 0953, 5.4 miles N c. 0957, 6.6 miles N d. 1002, 7.1 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 3079: If the speed necessary for reaching port at a designated time is 18.2 knots and the pitch of the propeller is 23.9 feet, how many revolutions per minute will the shaft have to turn, assuming a 2% negative slip?
N a. 70 N b. 73 Y c. 76 N d. 79 3255: You have steamed 836 miles at 14.5 knots, and consumed 191 tons of fuel. If you have 310 tons of usable fuel remaining, how far can you steam at 17 knots?
N a. 842 miles Y b. 987 miles N c. 1157 miles N d. 1865 miles 3311: You have steamed 162 miles and consumed 14.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 285 miles?
Y a. 24.6 tons N b. 34.7 tons N c. 43.3 tons N d. 54.8 tons 3653: The true course between two points is 106°. Your gyrocompass has an error of 2°E and you make an allowance of 2° leeway for a south wind. What gyro course should be steered to make the true course good?
N a. 102°pgc N b. 104°pgc Y c. 106°pgc N d. 108°pgc 10308: You are 3 miles due east of Montauk Point Light. What is the course per standard magnetic compass to a position 1.5 miles due east of Watch Hill Point Light?
N a. 341°psc N b. 337°psc N c. 011°psc Y d. 007°psc 12108: You sight Tue Marshes Light (LAT 37°14.1'N, LONG 76°23.2'W) in line with Goodwin Thorofare Light "16" (LAT 37°13.7'N, LONG 76°25.0'W) bearing 262° per standard magnetic compass. What is TRUE if your vessel's heading is 119°psc?
N a. The compass error is 10°W. N b. The deviation table must be corrected for the change in date. N c. The deviation is 1°W. Y d. The deviation table is correct for a heading of 119°psc. 12703: You are on course 025° per standard magnetic compass when you take the following bearings: Point Judith Light - 072°psc Block Island North Point Light - 118°psc Watch Hill Light - 306°psc What s your position?)
N a. LAT 41°14.9'N, LONG 71°43.2'W N b. LAT 41°15.1'N, LONG 71°44.0'W Y c. LAT 41°15.4'N, LONG 71°43.1'W N d. LAT 41°15.6'N, LONG 71°42.8'W 13808: The chart symbol depicted at LAT 41°13.5'N, LONG 72°29.7'W indicates __________.
N a. the exact position of a dangerous wreck Y b. the approximate position of a wreck dangerous to surface navigation N c. a wreck cleared by wire drag to a depth of 39 feet N d. a wreck not dangerous to surface navigation 15020: While navigating inbound in the Thimble Shoal Channel system you must __________.
N a. navigate in the main channel when between Trestles A & B N b. maintain a minimum speed of 6 knots N c. remain 1500 yards (1360 meters) from large naval vessels Y d. use the north auxiliary channel 15166: At 2037, you change course and wish to make good a course of 016°T. There is no current, but an easterly wind is causing 3° leeway. What course per standard magnetic compass should you steer to make good the course 016°T?
N a. 022°psc N b. 025°psc Y c. 028°psc N d. 031°psc 15168: Which chart provides more detail of Cape Charles harbor and its approaches?
N a. 12238 N b. 12225 Y c. 12224 N d. 12222 15238: At 0930 you obtain a position from the following information: Race Rock Light bears 110°T at a range of 1.4 miles, and Goshen Point bears 330°T at a range of 3.3 miles. What are your present latitude and longitude?
N a. 41°16.0'N, 72°09.5'W Y b. 41°15.1'N, 72°04.6'W N c. 41°17.4'N, 72°06.0'W N d. 41°14.6'N, 72°03.0'W 15267: From your 1210 position, you are making good a course of 083°
T. Your engines are turning RPMs for 10 knots. The set and drift of the current are 310° at 1.7 knots. At what time should you expect to enter the red sector of New London Harbor Light?
Y a. 1243 N b. 1249 N c. 1253 N d. 1301 15319: The coastline by Cape Henry is best described as __________.
N a. rocky with pine scrubs Y b. sandy hills about eighty feet high N c. low wetlands N d. low and thinly wooded with many beach houses 15541: You alter course to make good 076°T from your 2200 fix,
and estimate you will make 13.6 knots over the ground. If the visibility is 5.5 miles, what is the earliest time you will sight Falkner Island Light? (nominal range 13 miles)
N a. The light is visible at 2200 N b. 2221 Y c. 2236 N d. You will not sight the light 15668: At 0839, Montauk Pt. Light is bearing 205°T at a radar distance of 6.6 miles. What is your speed made good from your 0815 position?
N a. 8.2 knots Y b. 9.2 knots N c. 10.0 knots N d. 10.5 knots 15819: 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?
Y a. 8.1 knots N b. 8.5 knots N c. 9.3 knots N d. 9.6 knots 15827: As you approach Giles Bend Cutoff Light (mile 367.7 AHP), what type of daymark would you see on the light structure?
N a. Green diamond N b. Green triangle Y c. Red triangle N d. Red diamond 15841: At 2030 you take the following bearings:
Sand Shoal Inlet South Light - 275°T
Cape Charles Light - 235°T
The set and drift from 2000 to 2030 are __________.
N a. 088° at 0.7 knot N b. 088° at 1.4 knots N c. 268° at 0.7 knot Y d. 268° at 1.4 knots 16560: From your 1800 position, you steer a course of 355°psc at a speed of 10.0 knots. At 1830, your position is LAT 41°11.7'N, LONG 71°45.8'W. What are the set and drift of the current?
Y a. 005°T, 1.0 knot N b. 005°T, 0.5 knots N c. 180°T, 0.5 knot N d. 208°T, 1.0 knots 16840: Visibility is exceptionally clear. At approximately what distance did Chesapeake Light become visible?
N a. 19.2 miles Y b. 21.0 miles N c. 22.7 miles N d. 24.0 miles