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.
51: As you approach Anconia Pt. Light (mile 528.6 AHP), which type of dayboard would you see on the light structure?
N a. Green diamond Y b. Green square N c. Red square N d. Red diamond 84: What is the distance from the Amoco Docks at Baton Rouge, LA, to the mouth of the Ohio River?
N a. 981.5 miles N b. 953.5 miles N c. 727.9 miles Y d. 700.2 miles 167: The Arkansas City Yellow Bend revetment on the LMR extends from mile __________.
Y a. 555.5-549.7 RDB N b. 549.0-548.5 RDB N c. 556.9-554.9 LDB N d. 548.5-546.5 LDB 173: At 2015, you alter course to 154°pgc. What is the course per standard magnetic compass (psc)?
N a. 142°psc N b. 152°psc N c. 157°psc Y d. 162°psc 196: What course per standard magnetic compass is (psc) the same as 247°pgc?
Y a. 257°psc N b. 260°psc N c. 262°psc N d. 265°psc 232: At 0700, Stratford Shoal Middle Ground Light bears 137°pgc. From your radar, you get a bearing of 007°pgc to the south tip of Stratford Point with a range of 4.5 miles. What is your 0700 position?
N a. LAT 41°04.6'N, LONG 73°07.0'W N b. LAT 41°04.6'N, LONG 73°06.6'W N c. LAT 41°04.6'N, LONG 73°07.4'W Y d. LAT 41°04.6'N, LONG 73°07.2'W 233: At 0725, you are heading 054°T, and Stratford Point Light is abeam to port at 3.1 miles. The current is 135°T at 1.8 knots. If you make turns for an engine speed of 8 knots, which course must you steer to make good 048°T?
N a. 055°T N b. 047°T N c. 042°T Y d. 035°T 381: At 1540, your position is LAT 37°18.4'N, LONG 76°10.5'W. Which course should you steer per gyrocompass to head for the entrance to Cape Charles City?
Y a. 129°pgc N b. 123°pgc N c. 117°pgc N d. 109°pgc 423: At 0530, your position is LAT 41°12.6'N, LONG 72°08.5'W. What is the color of New London Harbor Light?
N a. Green N b. White Y c. Red N d. Alternating white and green 496: At 0815, you change course to 079°T and head for the entrance of Great Salt Pond on Block Island. To compensate for a northerly wind, you estimate a 5° leeway is necessary. What course should you steer per gyrocompass to make good 079°T?
Y a. 071°pgc N b. 074°pgc N c. 076°pgc N d. 079°pgc 514: The shoreline along Rocky Point should give a good radar return because __________.
Y a. the shore is bluff and rocky N b. of offshore exposed rocks N c. submerged reefs cause prominent breakers N d. the lookout tower is marked with radar reflectors 516: You sight Bartlett Reef Light in line with New London Harbor Light bearing 043°pgc. You are heading 088°pgc and 098.5° per standard magnetic compass at the time of the observation. Which statement is TRUE?
N a. The true heading at the observation was 090°. N b. The gyro error is 2°E. N c. The magnetic compass error is 9.5°W. Y d. The deviation is 1.5°E by observation. 531: You depart LAT 15°48'N, LONG 174°06'E and steam 905 miles on course 090°. What is the LONG of arrival?
N a. 165°41'W Y b. 170°13'W N c. 172°47'W N d. 179°06'E 537: Determine the distance from LAT 19°54.0'N, LONG 166°36.0'E to LAT 19°54.0'N, LONG 157°54.0'W. by parallel sailing.
N a. 2204.6 miles N b. 2006.9 miles Y c. 2002.8 miles N d. 1990.6 miles 547: At 0705, you change course to head for The Race. You wish to leave Race Rock Light bearing due north at 0.4 mile. If the current is 100°T, at 2.8 knots, and you are turning for 12.0 knots, what course (pgc) should you steer?
N a. 267°pgc Y b. 263°pgc N c. 255°pgc N d. 250°pgc 633: The Linwood Bend revetment on the LMR extends from mile __________.
N a. 828.1-823.1 RDB N b. 831.7-829.4 RDB Y c. 841.3-838.7 LDB N d. 845.4-842.5 LDB 662: You are planning a voyage by great circle from LAT 38°00'N, LONG 73°00'W to LAT 49°00'N, LONG 06°00'W. Which of the following statements is TRUE? (Use gnomonic tracking chart WOXZC 5274)
N a. You will pass to the south of icebergs reported extending to 100 miles south of Cape Race Newfoundland. Y b. The shoals with a 25-mile radius around Sable Island will be a hazard. N c. You will reach the maximum northerly latitude at longitude 29°45'W. N d. The distance is measured in 60-mile segments using the length of a degree of latitude at the vertex. 1096: On 24 October , your 0100 DR position is LAT 27°42'N, LONG 158°35'E. You are on course 085°T at a speed of 12 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0700 running fix. NP-0026
N a. LAT 27°48.8'N, LONG 160°12.5'E N b. LAT 27°52.5'N, LONG 160°18.2'E Y c. LAT 27°56.0'N, LONG 159°47.3'E N d. LAT 27°58.4'N, LONG 159°43.5'E 1164: At 2350 on 23 June, you are at mile 610.5 AHP when you see about a mile ahead lights on the water near the left bank. What might you see when you come abreast of these lights?
N a. Privately maintained buoys at a yacht club N b. Government buoys marking the Hurricane Point dikes Y c. Barges moored at the Dennis Landing Terminal N d. A pipeline discharging dredge spoil 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 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 1278: On 17 April , your vessel is enroute from the Panama Canal to Kobe, Japan. Your 0400 zone time DR position is LAT 26°12.0'N, LONG 126°12.0'W. Your vessel is on course 285°T at a speed of 18 knots. What will be the zone time of sunrise at your vessel?
N a. 0535 N b. 0541 N c. 0552 Y d. 0602 1459: On 28 July , your 1937 zone time DR position is LAT 26°13.0'N, LONG 78°27.0'E. At that time, you observe Deneb bearing 048.7°pgc. The chronometer reads 02h 37m 42s, and the chronometer error is 00m 15s fast. The variation is 4°W. What is the gyro error?
N a. 2.4°W Y b. 2.8°E N c. 3.6°W N d. 3.6°E 1467: On 17 April , your 1610 ZT DR position is LAT 22°07.0'N, LONG 158°16.0'W. At that time, you observe the Sun bearing 271°psc. The chronometer reads 03h 08m 52s, and the chronometer error is 01m 16s slow. The variation is 4°E. What is the deviation of the standard magnetic compass?
N a. 1.1°W N b. 1.7°E Y c. 2.3°W N d. 2.9°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 1703: At 1218, on 16 March, you are passing the Vicksburg Gage (mile 437.0 AHP). What has been the average current since 0630, 15 March, if you have been making turns for 8.0 mph?
N a. 0.2 mph N b. 0.5 mph N c. 0.8 mph Y d. 1.2 mph 1709: A stretch where the channel changes from one side of the river to the other is called a __________.
N a. bifurcation N b. transit Y c. crossing N d. changeover 1729: Which light characteristics does Coggins Lt. (mile 429.5) have?
N a. 1 red flash every 4 seconds Y b. 1 white flash every 4 seconds N c. 1white flash every 5 seconds N d. 2 white flashes every 4 seconds 1887: On 8 April , your evening DR position is LAT 22°16.0'N, LONG 157°58.3'W. You observe an unidentified star bearing 271°T at an observed altitude (Ho) of 44°08.2'. The chronometer reads 05h 09m 57s, and is 01m 23s slow. What star did you observe?
N a. Betelgeuse Y b. Aldebaran N c. Alnilam N d. Bellatrix 1904: On 22 March , your 0519 DR position is LAT 27°20.6'N, LONG 69°25.6'W. You observe an unidentified star bearing 115°T at an observed altitude (Ho) of 54°52.8'. The chronometer reads 10h 16m 47s, and is 02m 15s slow. What star did you observe?
Y a. Altair N b. Enif N c. Menkar N d. Rigel 2155: On 17 May , at 0501 zone time, morning stars were observed, and the vessel's position was determined to be LAT 22°16.0'S, LONG 103°46.0'W. Your vessel is steaming at 24.0 knots on a course of 301°T. A sextant observation of the Sun's lower limb is made at 0845 zone time. The chronometer reads 03h 43m 32s, and the sextant altitude is 28°24.7'. The index error is 1.5' off the arc, and the chronometer error is 02m 02s slow. Your height of eye on the bridge is 85.5 feet. What is the azimuth (Zn) of this sight using the assumed position?
N a. 051.0°T Y b. 052.5°T N c. 054.2°T N d. 055.7°T 2296: If your vessel is making turns for 7.5 mph with an estimated average current of 1.5 mph, what is your ETA at the dock in Angelina, LA?
Y a. 1621, 28 Dec N b. 2203, 28 Dec N c. 0516, 29 Dec N d. 1621, 29 Dec 2583: You lose GPS and are navigating solely on LORAN. What LORAN line would you follow to leave Six Mile Reef buoy "8C" abeam to port at 1.0 mile?
N a. 9960-W-14885.0 N b. 9960-Y-43980.5 Y c. 9960-Y-43982.0 N d. 9960-Y-43983.5 3063: The observed distance for a day's run was 302.7 miles. The propeller had a pitch of 20'06", and the average RPM was 67. What was the slip?
N a. +0.7% N b. -0.7% Y c. +7.0% N d. -7.0% 3304: You have steamed 265 miles and consumed 25.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 346 miles?
Y a. 32.6 tons N b. 37.4 tons N c. 42.6 tons N d. 49.5 tons 4011: 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 magnetic compass heading of 234°.
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°
N a. 2.5°W N b. 2.5°E N c. 1.0°W Y d. 0.5°E 10306: You are 3 miles due east of Montauk Point Light. What is the course per standard magnetic compass to LAT 41°00.0'N, LONG 71°40.0'W?
N a. 145.5°psc Y b. 142.5°psc N c. 138.5°psc N d. 127.0°psc 10709: At 0726 you depart Lake Montauk with light 1 close aboard and set course 065° per standard magnetic compass at 6.7 knots. At 0912 your GPS position is LAT 41°10.5'N, LONG 71°46.6'W. What is the current?
N a. 151°T at 1.2 knots N b. 164°T at 0.7 knot N c. 227°T at 0.9 knot Y d. 240°T at 1.4 knots 11005: What is the maximum speed permitted in the Main Entrance Channel to Port Jefferson Harbor?
N a. 3 mph N b. 5 mph N c. 7 mph Y d. 12 mph 11100: Block Island is __________.
N a. surrounded by wide sandy beaches N b. a low, marshy island Y c. hilly with elevations to 200 feet (60.5 m) N d. a national bird sanctuary 12105: While in the Back River, you sight the two tanks along the Northwest Branch (vicinity LAT 37°05.6'N, LONG 76°22.0'W) in line bearing 274°psc. If your vessel is heading 300°psc, what is TRUE?
Y a. There is no deviation. N b. The deviation is equal to the variation. N c. The deviation is 9°E. N d. The deviation is 0° only for a bearing of 274°psc. 12509: You are on course 027° per magnetic compass when you take the following bearings per magnetic compass: New Point Comfort Light "2" 253°
Horn Harbor Entrance Light HH 282°
Wolf Trap Light 348°
What is the position of the fix?
N a. LAT 37°19.4'N, LONG 76°09.5'W N b. LAT 37°19.4'N, LONG 76°09.8'W N c. LAT 37°19.7'N, LONG 76°10.3'W Y d. LAT 37°19.7'N, LONG 76°09.9'W 12901: Your 1152 position is LAT 37°23.9'N, LONG 76°05.5'W. You are turning for 10.3 knots. What is your ETA at Trestle C of the Chesapeake Bay Bridge and Tunnel if you follow York Spit Channel?
Y a. 1404 N b. 1349 N c. 1342 N d. 1339 15370: If visibility permits, Little Gull Island Light will break the horizon at a range of approximately __________.
N a. 11.1 miles N b. 12.8 miles Y c. 15.6 miles N d. 18.0 miles 15414: At 2100, you have passed through the Chesapeake Bay Bridge and Tunnel and determine your position to be LAT 37°01.3'
N, LONG 76°03.0'W. The current is flooding in a direction of 303°T at 2.5 knots. Adjusting your course for set and drift, which course would you steer while turning RPMs for 6 knots to make good a course of 175°T?
Y a. 156°T N b. 164°T N c. 183°T N d. 190°T 15562: The two wavy magenta lines running to Green Hill Point represent __________.
N a. recommended approaches to Green Hill Point Y b. submarine cables N c. prohibited fishing areas N d. fish trap areas 15567: Point Judith Harbor of Refuge __________.
N a. is used mostly by towing vessels N b. has a maximum depth of 14 feet (4.3 meters) at MHW N c. West Gap has a controlling depth of 24 feet Y d. is entered through the East Gap or the West Gap 15963: At 1845, you obtain the following Radar Ranges:
Old Plantation Flats Light @ 7.45nm
New Point Comfort Light @ 7.35nm
Your latitude is __________.
N a. 37°11.4'N Y b. 37°11.2'N N c. 37°10.9'N N d. 37°10.7'N 16056: At 1730, your position is LAT 37°13.9'N, LONG 76°26.4'W. What is your distance off Tue Marshes Light?
N a. 2.2 miles Y b. 2.6 miles N c. 3.0 miles N d. 3.4 miles 16267: When Cape Henry Light is abeam, what is the approximate distance to Yorktown, VA?
Y a. 34 miles N b. 42 miles N c. 55 miles N d. 58 miles 16361: At 0400, you take the following bearings:
Sand Shoal Inlet South Light bearing 305°pgc
Cape Charles Light bearing 241°pgc
What was the course made good since 0240?
N a. 182°T Y b. 185°T N c. 189°T N d. 192°T 16465: At 0600, you are entering the inbound leg of the traffic separation scheme at position LAT 36°59.2'N, LONG 75°47.6'
W. Course is 250°T. At 0605, Cape Henry Light bears 249°
T. At 0610, it bears 248°T. At 0625, it bears 247°T. Based on this, you know you are __________.
N a. meeting a current from dead ahead N b. running with a current from dead ahead Y c. being set to the north N d. being set to the south 16546: At 0100 you notice that the wind has become SSW'ly and has freshened. At 0200 you sight Stratford Point Lighted Bell Buoy "18" bearing 268°pgc. At 0215 the buoy bears 269°pgc. Which statement is TRUE?
N a. You should alter course to the right to increase the rate of the bearing change. N b. You are making more speed over the ground than you estimated. Y c. You should alter course to decrease the distance that you will pass off Middle Ground Shoal. N d. You can hold the present course and safely pass buoy "18". 16617: 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?
N a. 260° at 0.5 knot N b. 080° at 1.0 knot Y c. 260° at 1.0 knot N d. There is no current.