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.
72: In order to determine what buoys, if any, are in place at Concordia Bar crossing (mile 596.0 AHP), what should you check?
Y a. Local Notice to Mariners N b. Waterways Journal N c. Bulletin Board at the Rosedale Gage N d. Light List 116: At which of the following times would you be able to listen to lower Mississippi River conditions on VHF Channel 22?
N a. 0900 hours N b. 1100 hours Y c. 1300 hours N d. 1700 hours 292: If you have 17.3 miles to reach your destination from your 2000 position and want to be there at 2230, what speed should you make good?
Y a. 6.9 knots N b. 6.5 knots N c. 6.1 knots N d. 5.7 knots 366: At 0731, approximately how much water is under your keel?
N a. 26 feet (7.9 meters) Y b. 31 feet (9.4 meters) N c. 48 feet (14.5 meters) N d. 54 feet (16.4 meters) 492: At 0748, you change course to 160°T. What loran reading can you follow to remain on this course?
N a. 9960-W-14660.0 Y b. 9960-W-14651.0 N c. 9960-Y-43943.8 N d. 9960-Y-43852.0 512: At 0200, you take the following bearings:
Falkner Island Light 004.5°T
Kelsey Pt. Breakwater Lt. 054.0°T
Horton Point Light 115.0°T
What were the set and drift from 0130?
Y a. 260° at 1.0 knot N b. 080° at 0.5 knot N c. 260° at 0.5 knot N d. There is no current. 556: Your 0530 position is LAT 41°04.9'N, LONG 73°01.1'W. What is the course per standard magnetic compass to a position 1.0 mile south of Twenty Eight Foot Shoal "TE" buoy?
Y a. 099.5°psc N b. 096.0°psc N c. 092.5°psc N d. 082.0°psc 576: What is indicated by the dashed magenta line crossing York Spit Channel between buoys "20" and "22"?
N a. You are crossing the demarcation line between the COLREGS and the Inland Rules. N b. The line indicates a submarine cable, and you should not anchor in the area. Y c. The line marks the limits of a regulated area. N d. It marks the range between Ft. Wool Light and Cape Charles Harbor Range, Rear Light. 579: Which loran line of position will serve as a danger reading on the loran to keep you west of the submerged obstruction at LAT 37°24.2'N, LONG 76°03.7'W, after you leave York Spit Channel?
Y a. Not less than 9960-X-27246 N b. Not more than 9960-Y-41595 N c. Not less than 9960-Y-41595 N d. Not less than 9960-Z-58622 603: At 0915 zone time, on 7 November , you depart Seattle, LAT 47°36.0'N, LONG 122°22.0'W (ZD +8). You are bound for Kobe, LAT 34°40.0'N, LONG 135°12.0'E, and you estimate your speed of advance at 18.5 knots. The distance is 4,527 miles. What is your estimated zone time of arrival at Kobe?
N a. 1257, 17 November Y b. 0657, 18 November N c. 1857, 18 November N d. 0657, 19 November 674: What are the dimensions of the Port Allen Lock at Baton Rouge, LA?
N a. 75 feet x 1188 feet Y b. 84 feet x 1188 feet N c. 84 feet x 1180 feet N d. 75 feet x 1180 feet 704: As you approach Giles Bend Cut-off Light (mile 367.7 AHP), what type of daymark would you see on the light structure?
N a. Green square N b. Green diamond Y c. Red triangle N d. Red diamond 750: On 28 October , at 1754 ZT, your vessel's DR position is LAT 28°30'N, LONG 63°24'W. At this time, you obtain a sextant altitude (hs) of Polaris reading 28°42.6', with an index error of 2.4' on the arc. Your chronometer reads 09h 50m 00s, and is 4m 14s slow. What is your latitude by Polaris, given a height of eye of 28 feet (8.5 meters)?
N a. 28°25.2'N N b. 28°30.6'N Y c. 28°34.9'N N d. 28°41.3'N 818: On 30 December , in DR position LAT 28°24.0'S, LONG 32°15.0'W, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 02h 09m 16s, and the chronometer error is 00m 00s. The sextant altitude (hs) is 84°03.3'. The index error is 3.5' off the arc, and your height of eye is 62.0 feet. What is the latitude at meridian transit?
N a. LAT 28°50.6'S Y b. LAT 28°51.9'S N c. LAT 28°54.2'S N d. LAT 28°56.6'S 1109: On 5 May , your 1600 zone time DR position is LAT 17°28'S, LONG 143°39'E. You are on course 316°T at a speed of 17 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1800 running fix.
Y a. LAT 17°05.2'S, LONG 143°11.4'E N b. LAT 17°07.8'S, LONG 143°17.5'E N c. LAT 17°08.2'S, LONG 143°07.9'E N d. LAT 17°09.7'S, LONG 143°10.1'E 1210: It is 19 October and you are keeping +4 zone time. You are on course 275°, speed 16 knots. Your 0800 DR position is LAT 25°34.0'N, LONG 74°36.0'W. What is the second estimate of the time of LAN by ship's clocks?
N a. 11h 48m 38s N b. 12h 04m 49s Y c. 12h 49m 10s N d. 13h 48m 36s 1228: As you pass under the Natchez-Vidalia Dual Bridge, the gage on the bridge reads 8.9 ft. If the highest point on your vessel is 54 ft. above the water, what is your vertical clearance?
Y a. 63.1 feet N b. 65.3 feet N c. 67.2 feet N d. 122.0 feet 1302: From Baton Rouge to Cairo, what is the maintained minimum channel depth during low water?
Y a. 9 feet N b. 12 feet N c. 15 feet N d. 30 feet 1425: 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 0930 the following day?
N a. 5.2 mph N b. 5.6 mph N c. 5.9 mph Y d. 6.3 mph 1536: As you approach Casting Yard Dock Lt. (mile 265.4 AHP) you notice on the map a circle with 2 black sectors. This symbol indicates a __________.
N a. lock N b. warning sign Y c. river gage N d. mooring buoy 1896: On 22 June , your 0424 DR position is LAT 26°18.5'N, LONG 124°18.2'W. You observe an unidentified star bearing 154°T at an observed altitude (Ho) of 15°01.2'. The chronometer reads 12h 23m 24s, and is 01m 32s slow. What star did you observe?
N a. Peacock N b. Schedar Y c. Ankaa N d. Alioth 2030: Which of the following statements regarding buoys on the Mississippi River is TRUE?
Y a. Buoys should be given as wide a berth as possible in passing. N b. Buoy positions on the chart are exact. N c. The buoys are maintained on station year round. N d. The buoys do not shift positions due to permanent moorings. 2168: On 22 July , at 0448 ZT, morning stars were observed, and the vessel's position was determined to be LAT 21°43.0'N, LONG 158°39.0'E. Your vessel is steaming at 21.0 knots on a course of 028°T. A sextant observation of the Sun's lower limb is made at 0956 ZT. The chronometer reads 10h 54m 27s, and the sextant altitude is 54°28.2'. The index error is 1.5' off the arc, and the chronometer error is 01m 38s slow. Your height of eye on the bridge is 56 feet. What is the azimuth (Zn) of this sight using the assumed position?
N a. 080.9°T N b. 082.2°T N c. 084.2°T Y d. 086.9°T 2248: Which company does NOT have a marine facility in Rosedale Harbor (mile 585 AHP)?
Y a. T.L. James N b. Rosedale-Boliver County Port Commission N c. Cives Steel Company N d. Sanders Elevator Corp 2788: The solid lines extending into the channel at mile 948 AHP are __________.
Y a. dikes N b. revetments N c. spoil areas N d. Meadwestvaco pipeline 2869: Your vessel is on a course of 237°T at 18 knots. At 0404 a light bears 263.5°T, and at 0430 the light bears 282°T. At what time and at what distance off will your vessel be when abeam of the light?
N a. 0448, 6.8 miles N b. 0452, 7.2 miles Y c. 0456, 7.8 miles N d. 0500, 8.4 miles 2900: You are steaming on a course of 167°T at 19.5 knots. At 1837 you observe a lighthouse bearing 224°T. At 1904 the lighthouse bears 268°T. What is your distance off at the second bearing?
N a. 8.8 miles N b. 9.5 miles Y c. 10.4 miles N d. 11.3 miles 2903: You are steaming on a course of 025°T at 15.5 knots. At 0645 you observe a lighthouse bearing 059°T. At 0655 the same lighthouse bears 075°T. What is your distance off at the second bearing?
N a. 1.5 miles N b. 2.6 miles N c. 4.0 miles Y d. 5.3 miles 3060: The propeller on a vessel has a diameter of 24.0 feet and a pitch of 21.3 feet. What would be the slip if the vessel cruised 510 miles in a 24 hour day (observed distance) at an average RPM of 86?
N a. -12.2% N b. +12.2% Y c. -17.5% N d. +17.5% 3084: If the speed necessary for reaching port at a designated time is 18.6 knots, and the pitch of the propeller is 26.2 feet, how many revolutions per minute will the shaft have to turn, assuming a 4% negative slip?
Y a. 69 N b. 72 N c. 75 N d. 78 3108: You are turning 105 RPM, with a propeller pitch of 17 feet, and an estimated slip of -1%. What is the speed of advance?
N a. 15.3 knots N b. 16.9 knots N c. 17.4 knots Y d. 17.8 knots 3292: Your vessel consumes 215 barrels of fuel per day at a speed of 18.0 knots. What will be the fuel consumption of your vessel at 14.0 knots?
N a. 67 bbls Y b. 101 bbls N c. 130 bbls N d. 167 bbls 3614: The true course between two points is 057°. Your gyrocompass has an error of 3° east and you make an allowance of 1° leeway for a north-northwest wind. Which gyro course should be steered to make the true course good?
Y a. 053°pgc N b. 056°pgc N c. 059°pgc N d. 060°pgc 3625: Your vessel is steering course 111°psc, variation for the area is 5°E, and deviation is 3°W. The wind is from the northwest, producing a 1° leeway. What true course are you making good?
N a. 108°T N b. 110°T N c. 112°T Y d. 114°T 13105: At 1048 you are in the entrance to Great Salt Pond on Block Island with buoy "5" close aboard. What is your ETA at the west gap of Point Judith Harbor of Refuge if you make good 8.3 knots?
N a. 1149 N b. 1154 N c. 1158 Y d. 1203 13708: A note on the chart indicates that currents in excess of how many knots can be expected in the vicinity of the Chesapeake Bay Bridge and Tunnel?
Y a. 3.00 knots N b. 2.20 knots N c. 1.75 knots N d. 1.50 knots 14202: What is the minimum clearance for the bridge across the entrance to the Wind River at Home Valley, WA.?
N a. 14 feet Y b. 26 feet N c. 34 feet N d. 38 feet 15042: From your 0741 position, you wish to change course in order to pass 2.2 miles easterly of Cape Charles Lighted Bell Buoy "14". Your engine speed is now 14.0 knots. You estimate the current to be 240° true at 1.8 knots. What is the true course to steer to make good the desired course?
N a. 179°true N b. 185°true Y c. 190° true N d. 197°true 15209: At 1800, Tue Marshes Light bears 264.5°pgc, York Spit Swash Channel Light "3" bears 007°pgc. Your position is __________.
N a. LAT 37°15.5'N, LONG 76°19.8'W N b. LAT 37°15.2'N, LONG 76°20.3'W N c. LAT 37°15.0'N, LONG 76°20.0'W Y d. LAT 37°14.5'N, LONG 76°20.1'W 15362: The south shore of Long Island Sound near your position is __________.
N a. marked by gradual shoaling N b. low and marshy N c. backed by marshes and wooded uplands Y d. bluff and rocky 15446: You are abeam of buoy "18" at 2325. What is your ETA at Baltimore if you average 9.5 knots?
N a. 1342 Y b. 1400 N c. 1424 N d. 1456 15544: At 2310 your position is LAT 41°05.5'N, LONG 72°33.7'W and you change course to make good 068°T. A radar speed check using Twenty Eight Foot Shoal Buoy indicates your speed over the ground is 13.6 knots. At 2325 Horton Point Light bears 129°T. At 2341 the same light bears 194°T. What is the position of your 2341 running fix?
N a. LAT 41°07.9'N, LONG 72°25.9'W N b. LAT 41°08.3'N, LONG 72°25.8'W Y c. LAT 41°08.5'N, LONG 72°25.6'W N d. LAT 41°08.8'N, LONG 72°25.2'W 15944: From your 2038 position you change course to 104°T and increase engine speed to 18 knots. If you make good this course and speed, at what time will Southwest Ledge Lighted Bell Buoy "2" bear 157°T?
N a. 2047 Y b. 2052 N c. 2056 N d. 2101 16009: 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?
Y a. 081°T N b. 083°T N c. 085°T N d. 087°T 16246: From your 2259 fix, you alter course to 250°T. At 2300 Cape Henry Light bears 250°T. At 2326 Cape Henry Light bears 252°T. Which statement is TRUE?
N a. You are being set to the right. N b. The bearing change should be expected as you transit the inbound lane. Y c. You should alter course to starboard. N d. You should slow to reduce the effect of the current. 16265: At 0600, you are on course 241°psc at 6.5 knots. Chesapeake Light bears 153° per standard magnetic compass,
and Cape Henry Light bears 261° per standard magnetic compass. What is the position of your 0600 fix?
N a. LAT 36°59.0'N, LONG 75°47.4'W Y b. LAT 36°59.3'N, LONG 75°47.7'W N c. LAT 36°59.5'N, LONG 75°47.8' N d. LAT 36°59.3'N, LONG 75°48.0' 16458: If your engines turn for 6.5 knots, and you encounter a 0.5 knot southerly current, what is your ETA at point A?
N a. 0400 Y b. 0450 N c. 0501 N d. 0511 16462: Which statement about your 0400 position is TRUE?
Y a. You are within the territorial sea and contiguous zone. N b. You are governed by the Inland Rules of the Road. N c. The ocean floor is composed of shale. N d. Anchoring, trawling and fishing are prohibited. 16542: At 2308 your position is LAT 41°12.7'N, LONG 72°22.8'W.
You steer a course to make good 255°T from this position. At 2310 you receive a distress call from a vessel anchored 2.1 miles due north of Mattituck Inlet Light. If you change course at 2314, what is the course to steer per gyrocompass to arrive at the distress site if you allow 2°
leeway for northerly winds, 3°E gyro error and correct your course for a current of 073°T at 1.3 knots?
N a. 208°pgc N b. 212°pgc N c. 216°pgc Y d. 220°pgc 16706: At 0520, you take the following observations:
Point Judith Light 032°pgc
Point Judith Harbor of Refuge
Main Breakwater Center Light 308°pgc
What is the position of your 0520 fix?
N a. LAT 41°20.8'N, Long 71°30.3'W Y b. LAT 41°20.8'N, Long 71°29.7'W N c. LAT 41°20.6'N, Long 71°30.0'W N d. LAT 41°20.5'N, Long 71°29.8'W