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.
35: What are the dimensions of the channel maintained at Baton Rouge, LA?
N a. 30 feet x 300 feet Y b. 45 feet x 500 feet N c. 30 feet x 500 feet N d. 40 feet x 300 feet 60: What town is located at mile 389.8 AHP?
N a. Whitehall N b. Belmont Y c. Rodney N d. St. James 75: What is your ETA at the Memphis Highway Bridge?
N a. 1813, 22 Sept N b. 1405, 22 Sept Y c. 1052, 22 Sept N d. 0828, 22 Sept 145: As you approach Joseph Henry Light (mile 445.2 AHP) which daymark would you see?
Y a. Red triangle N b. Red diamond N c. Green diamond N d. Green square 276: At 1200, your position is 2.0 miles southwest of Bartlett Reef Light. Your heading is 075°T. Visibility is less than 0.2 mile in fog and rain. Which of the following signals is most likely to be from another vessel?
N a. Whistle from 125° relative N b. Bell from 350° relative Y c. Whistle from 075° relative N d. Horn from 330° relative 340: Inbound, the color of Cape Henry Light will __________.
N a. alternate regardless of your position N b. change after you reach Chesapeake Channel Lighted Bell Buoy "2C" N c. remain the same Y d. change before you reach Chesapeake Channel Lighted Bell Buoy "2C" 354: The south shore of Long Island Sound from Horton Point to Orient Point is __________.
Y a. bluff and rocky N b. low and marshy N c. marked by sandy beaches and wooded uplands N d. bound by gradual shoaling 372: 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. 084°pgc Y b. 080°pgc N c. 076°pgc N d. 072°pgc 553: At 0507, Stratford Shoal Middle Ground Light bears 208°pgc. What is the position of your 0507 running fix?
N a. LAT 41°04.6'N, LONG 73°04.7'W N b. LAT 41°04.8'N, LONG 73°04.8'W N c. LAT 41°04.8'N, LONG 73°04.9'W Y d. LAT 41°05.1'N, LONG 73°05.1'W 601: At 1210 zone time, on 1 December , you depart Seattle, LAT 47°36.0'N, LONG 122°22.0'W (ZD +8). You are bound for Guam, LAT 13°27.0'N, LONG 144°37.0'E, and you estimate your speed of advance at 20 knots. The distance is 4,948 miles. What is your estimated zone time of arrival at Guam?
N a. 1734, 11 December N b. 1934, 11 December N c. 0334, 12 December Y d. 1334, 12 December 621: You are on a voyage from New York, NY, to San Francisco, CA. The distance from pilot to pilot is 5132 miles. The speed of advance is 13.5 knots. You estimate 32 hours for bunkering at Colon, and 14 hours for the Panama Canal transit. If you take departure at 0600 hours (ZD +4), 16 May, what is your ETA (ZD +7) at San Francisco?
N a. 0609, 1 June Y b. 2109, 2 June N c. 0009, 3 June N d. 0409, 3 June 625: You are on a voyage from Boston, MA, to the South Pass, LA. The distance is 1870 miles, and the speed of advance is 13.6 knots. You estimate 16.5 hours for bunkering enroute at Port Everglades, FL. If you sailed at 0836 hours (ZD +5), 26 February , what was your ETA (ZD +6) at the South Pass?
N a. 2336, 3 March N b. 1136, 4 March N c. 1236, 4 March Y d. 1736, 4 March 638: What is the mile point of the Fulton Gage?
Y a. 778 AHP N b. 687 AHP N c. 632 AHP N d. 598 AHP 740: On 14 March , your 1846 ZT DR position is LAT 21°57.6'N, LONG 132°16.2'W. At that time you observe Polaris with a sextant altitude (hs) of 22°16.8'. The chronometer time of the sight is 03h 45m 10s, and the chronometer error is 01m 32s slow. The index error is 3.2' off the arc, and the height of eye is 44.9 feet. What is your latitude by Polaris?
N a. 21°32.4'N Y b. 21°49.8'N N c. 21°51.0'N N d. 21°53.1'N 811: On 1 July , your 0515 ZT fix gives you a position of LAT 24°36.0'S, LONG 151°42.0'W. Your vessel is on course 300°T, and your speed is 10.0 knots. Local apparent noon (LAN) occurs at 1215 ZT, 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 calculated latitude at LAN?
N a. 24°03.6'S N b. 24°02.5'S Y c. 24°01.0'S N d. 24°00.0'S 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 819: On 27 March , in DR position LAT 32°31.0'N, LONG 76°25.0'W, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 05h 23m 32s, and the chronometer error is 01m 30s fast. The sextant altitude (hs) is 59°59.0'. The index error is 1.8' off the arc, and your height of eye is 52 feet. What is the latitude at meridian transit?
N a. LAT 32°21.6'N Y b. LAT 32°29.5'N N c. LAT 32°37.6'N N d. LAT 32°46.2'N 1003: On 15 November , your 1030 ZT DR position is LAT 17°25'S, LONG 42°12'W. You are on course 059°T, speed 22 knots. Determine your 1200 position using the following observations of the Sun.
ZONE TIME GHA DECLINATION Ho
1128 40°50.4' S 18°33.6' 88°18.4'
1133 42°05.4' S 18°33.6' 88°37.7'
N a. LAT 17°00.0'S, LONG 41°45.8'W N b. LAT 17°02.1'S, LONG 41°48.4'W Y c. LAT 17°06.8'S, LONG 41°44.3'W N d. LAT 17°08.9'S, LONG 41°40.4'W 1143: Which town is located at mile 663.5 AHP?
N a. Friers Point Y b. Helena N c. St. Francis N d. Rodney 1149: As you approach Dean Island Light (mile 754.8 AHP), which type of daymark will be observed at the light?
N a. Green triangle Y b. Green diamond N c. Green square N d. Red-and-green banded square 1224: What is the total length of the trip?
N a. 906.3 miles Y b. 922.3 miles N c. 1155.8 miles N d. 1187.3 miles 1236: Which facility is located on the right descending bank at mile 363.6 AHP?
N a. River Cement Corps.. N b. Bunge Corps.. N c. T.L. James Y d. Vidalia Dock and Storage Co. 1253: On 8 August , your 0400 ZT DR position is LAT 23°16.0'S, LONG 105°33.0'W. You are on course 295°T at a speed of 25 knots. What will be the zone time of sunrise at your vessel?
N a. 0623 N b. 0629 Y c. 0636 N d. 0654 1652: On 16 April , in DR position LAT 28°07.0'N, LONG 81°47.0'W, you observe an amplitude of the Sun. The Sun's center is on the visible horizon and bears 073.5°psc. The chronometer reads 10h 53m 41s and is 02m 23s slow. Variation in the area is 11°E. What is the deviation of the magnetic compass?
N a. 4.5°E N b. 4.9°W N c. 6.1°E Y d. 6.5°W 1739: The Delta-Friar Point revetment on the LMR extends from mile __________.
N a. 645.6 - 641.4 RDB N b. 652.8 - 649.6 RDB N c. 648.5 - 645.5 LDB Y d. 657.3 - 652.2 LDB 1906: On 22 March , your 0519 DR position is LAT 27°20.6'N, LONG 69°25.6'W. You observe an unidentified star bearing 051°T at an observed altitude (Ho) of 50°03.7'. The chronometer reads 10h 16m 47s, and is 02m 15s slow. What star did you observe?
N a. Acamar N b. Enif N c. Menkar Y d. Deneb 1960: The low water reference plane for Greenville Highway Bridge is 11.3 feet. If the Gage at the Greenville Highway Bridge reads 22.0 feet, what is the water level in relation to the low water reference plane (LWRP)?
N a. 22.1 feet below the LWRP N b. 10.7 feet below the LWRP Y c. 10.7 feet above the LWRP N d. 0.5 feet below the LWRP 2031: After passing Wilkinson Lt. (mile 310.0 AHP) 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 N c. keep as close to the right descending bank as safety permits Y d. keep as close to the left descending bank as safety permits 2108: You alter course from your 0045 position to head for a point 0.5 mile north of Mattituck Breakwater Light "MI". If the visibility is 10 miles and you make good 9 knots, at approximately what time will you lose sight of Saybrook Breakwater Light?
N a. You have already lost sight at 0045 Y b. 0055 N c. 0120 N d. The light is visible all the way to Mattituck Inlet 2370: As you pass under the Vicksburg Bridges, you estimate the current as 3.0 mph. What is the speed over the ground, if your vessel is making turns for 10.5 mph?
N a. 16.5 mph Y b. 13.5 mph N c. 10.5 mph N d. 7.5 mph 2694: While on a course of 152°T, a light bears 9° on the port bow at a distance of 11.6 miles. What course should you steer to pass 3 miles abeam of the light leaving it to port?
N a. 153° Y b. 158° N c. 163° N d. 167° 2864: You are steering a course of 316°T, and a light bears 34° on the port bow at 2053. At 2126 the same light bears 68° on the port bow, and you have run 5 miles since the first bearing. What is the ETA when the lighthouse is abeam?
Y a. 2139 N b. 2143 N c. 2149 N d. 2159 3455: You wish to make good a course of 230°T while turning for an engine speed of 12.5 knots. The set is 180°T, and the drift is 1.7 knots. What course should you steer?
N a. 244°T Y b. 236°T N c. 231°T N d. 222°T 3754: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 014°T, and the variation is 11°E. If the heading of your vessel at the time of the sighting is 009° per standard magnetic compass, what is the correct deviation?
N a. 5°E N b. 5°W N c. 6°E Y d. 6°W 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 10904: What is the distance from Chesapeake Bay entrance to Baltimore?
Y a. 150 nm N b. 162 nm N c. 173 nm N d. 247 nm 12101: You sight Thimble Shoal Light in line with Old Point Comfort Light bearing 267° per standard magnetic compass. You are on course 182°psc. Based on this, you know __________.
Y a. the existing deviation is correct for that heading N b. you should adjust your compass N c. the compass error is 2°W N d. the variation is 11°W 12309: You sight North Dumpling Island Light in line with Latimer Reef Light (LAT 41°18.2'N, LONG 71°56.0'W) bearing 089° per standard magnetic compass. If your vessel was heading 297° per standard magnetic compass at the time, which of the following is TRUE?
N a. The deviation table is correct for that heading. N b. The deviation equals the variation. Y c. You should swing your vessel to check the deviation table. N d. The compass error is 13°W for all bearings of 089°psc. 13905: The Ruins (LAT 41°08.5'N, L0NG 72°08.8'W) is __________.
N a. a classic example of 18th century military fortifications N b. in an area of unpredictable, treacherous currents N c. restricted to surface navigation due to fishery conservation projects nearby Y d. prohibited to the public 14003: At 1430 your vessel passes under the Interstate 5 highway bridge east bound. Your engines are making RPM's for 12 mph. If the current is ebbing at 3 mph, what is your ETA at Bonneville Lock?
N a. 1744 N b. 1753 N c. 1834 Y d. 1848 15142: At 2146 if your fathometer is set on feet, what should be the approximate reading on your fathometer?
Y a. 88 feet N b. 105 feet N c. 121 feet N d. 166 feet 15161: From your 1815 position, you want to make good course 263°
T. Your engines are turning RPMs for 12 knots. The current is 050°T at 1.9 knots. Adjusting your course for set and drift, at what time should you expect to enter the red sector of Cape Henry Light?
N a. 1851 N b. 1857 Y c. 1904 N d. 1911 15215: At 2015, you alter course to 154°pgc. What is the course per standard magnetic compass (psc)?
Y a. 162°psc N b. 157°psc N c. 152°psc N d. 142°psc 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 15365: Which loran line can you follow to remain clear of all danger until south of New London?
N a. 9960-W-15000 N b. 9960-W-14900 N c. 9960-X-26450 Y d. 9960-Y-43960 15416: At 2200, you are in position LAT 36°57.5'N, LONG 76°02.5'W. You intend to travel up the Thimble Shoals auxiliary Channel to Hampton Roads. According to the Coast Pilot,
what is the depth of the auxiliary channel on either side of the main channel?
N a. 28 feet (8.5 meters) Y b. 32 feet (9.8 meters) N c. 36 feet (11.0 meters) N d. 45 feet (13.7 meters) 15514: From your 1850 fix, you come left to a course of 280°T,
while maintaining a speed of 10 knots. Which of the following combinations of available Loran-C lines would give the best cross for position determining?
Y a. 9960-Y and 9960-W N b. 9960-X and 9960-Y N c. 9960-W and 9960-X N d. All are equally good. 15763: At 0715, you take the following bearings:
Race Rock Light 324°pgc
Little Gull Island Light 245°pgc
Mt. Prospect Antenna 034°pgc
Based on your 0715 fix, which statement is TRUE?
N a. You are to the right of your track line. Y b. The charted depth is about 265 feet (80.3 meters). N c. You are in a cable area. N d. You are governed by the Inland Rules. 15908: At 0740, you obtain the following radar information:
Branford Reef Light bearing 250° true @ 2.55 nm
What is your position?
N a. LAT 41°12.6'N, LONG 72°51.3'W N b. LAT 41°12.6'N, LONG 72°51.8'W Y c. LAT 41°12.4'N, LONG 72°51.5'W N d. LAT 41°12.3'N, LONG 72°52.0'W 16045: The north shore of Long Island, from Horton Point to Orient Point,
is __________.
Y a. bluff and rocky N b. low and sparsely wooded N c. marked by long sandy beaches at low water N d. marshy and backed with sand dunes 16257: If your engines turn for 6.5 knots, and you encounter a 0.5 knot southerly current after weighing anchor. What is your ETA at point A?
N a. 0511 N b. 0501 Y c. 0450 N d. 0440 16259: You are on track from the anchorage to point A. At 0250, Great Machipongo Inlet Light "5" (37°21.8'N, 75°43.7'W) bears 279°pgc. At 0320, the light bears 320°pgc. What is the position of your 0320 running fix if you are making good 6.5 knots?
Y a. LAT 37°18.10'N, LONG 75°39.55'W N b. LAT 37°18.10'N, LONG 75°39.30'W N c. LAT 37°18.00'N, LONG 75°39.75'W N d. LAT 37°17.95'N, LONG 75°39.95'W 16270: The wind is northerly and will cause 2° leeway. The current is 018° at 0.5 knot. If your engines are turning for 8.0 knots. What should you steer to remain in York River Entrance Channel?
N a. 304°T N b. 306°T Y c. 309°T N d. 314°T 16641: At 0455 you encounter fog and slow to 5 knots. At 0500, you obtain a radar fix from the following information:
Radar range to Montauk Point is 9.1 miles.
Tangent bearing to western edge of Block Is. Is 015°pgc.
Distance off the nearest part of Block Is. is 5.9 miles.
What is your 0500 position?
N a. LAT 41°02.8'N, LONG 71°39.5'W N b. LAT 41°02.9'N, LONG 71°39.8'W N c. LAT 41°03.1'N, LONG 71°39.6'W Y d. LAT 41°03.5'N, LONG 71°39.3'W