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.
33: What is the total length of the trip?
Y a. 873.7 miles N b. 900.7 miles N c. 901.4 miles N d. 910.6 miles 41: The Delta-Friar Point revetment on the LMR extends from mile __________.
N a. 648.5 - 645.5 LDB N b. 652.8 - 649.6 RDB Y c. 657.3 - 652.2 LDB N d. 645.6 - 641.4 RDB 185: At 1950, your position is LAT 37°12.3'N, LONG 75°38.6'W. The set and drift from 1930 to 1950 were __________.
Y a. 150°T at 1.6 knot N b. 150°T at 0.6 knots N c. 330°T at 0.6 knot N d. 330°T at 1.6 knots 224: Which statement concerning your 1920 position is TRUE?
N a. You are governed by the Inland Rules of the Road. Y b. You are entering a restricted area. N c. You are within the Chesapeake Bay Entrance traffic separation scheme. N d. You can expect differences of as much as 6° from the normal magnetic variation of the area. 252: At 0100, you obtain the following radar ranges:
Inlet Point - 2.7 miles,
Rocky Point - 4.5 miles,
Horton Point - 1.0 mile.
What was the speed made good between 0045 and 0100?
N a. 6.7 knots Y b. 7.2 knots N c. 8.0 knots N d. 8.7 knots 310: A vessel at LAT 28°20'N, LONG 16°00'W is to proceed to LAT 21°00'N, LONG 18°00'W. What is the course and distance by mid-latitude sailing?
Y a. 194.0°T, 453.0 miles N b. 195.2°T, 451.0 miles N c. 196.8°T, 450.0 miles N d. 197.3°T, 448.0 miles 505: At 0109 you get underway, and at 0112 you take the following bearings:
Branford Reef Light bearing 051° true
Stratford Point Light bearing 258° true
What is your 0112 position?
N a. LAT 41°11.0'N, LONG 72°51.0'W Y b. LAT 41°11.4'N, LONG 72°51.3'W N c. LAT 41°11.6'N, LONG 72°51.6'W N d. LAT 41°11.8'N, LONG 72°51.8'W 563: At 0705, the gyro loses power. At 0715, you are on course 092° per standard magnetic compass (psc) when you take the following bearings: Falkner Light bears 356°psc, Horton Point Light bears 123°psc, and Kelsey Point Breakwater Light bears 048°psc. What is the position of your 0715 fix?
N a. LAT 41°06.7'N, LONG 72°36.0'W Y b. LAT 41°07.0'N, LONG 72°36.2'W N c. LAT 41°07.2'N, LONG 72°36.4'W N d. LAT 41°07.4'N, LONG 72°36.4'W 564: Horton Point Light __________.
N a. is 14 feet above sea level N b. has a fixed green light Y c. is shown from a white square tower N d. is synchronized with a radio beacon 574: If you are making 10 knots, what is your ETA at York Spit Channel Buoys "19" and "20"?
N a. 0959 N b. 1002 N c. 1004 Y d. 1006 822: On 10 March , in DR position LAT 21°42.0'S, LONG 57°28.0'E, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 08h 28m 17s, and the chronometer error is 00m 00s. The sextant altitude (hs) is 72°08.0'. The index error is 3.4' on the arc, and your height of eye is 52.7 feet. What is the latitude at meridian transit?
N a. LAT 21°32.5'S N b. LAT 21°40.6'S Y c. LAT 21°45.5'S N d. LAT 21°50.2'S 1203: You are keeping ZD +4 on your vessel. On 21 June ,
at 0906 DST, your position is LAT 30°48.0'N,
LONG 71°00.0'W. You are on a course of 167°T at 15.2 knots. At what time will local apparent noon (LAN) occur ZT at your vessel? You are keeping DST.
N a. 1145 N b. 1202 N c. 1218 Y d. 1245 1209: It is 22 October and you are keeping zone time +4. You are on course 083°T, speed 24 knots. Your 0820 DR position is LAT 26°10.0'N, LONG 52°20.0'W. What is the time of the second estimate of LAN by ship's clocks?
N a. 10h 04m 36s N b. 10h 04m 53s N c. 11h 04m 37s Y d. 11h 08m 54s 1211: It is 15 July and you are keeping +7 zone time. You are on course 095°, speed 16 knots. Your 0800 DR position is LAT 25°39.4'N, LONG 129°46.2'W. What is the time of the second estimate of LAN by ship's clocks?
N a. 13h 40m 17s Y b. 13h 38m 26s N c. 12h 42m 20s N d. 12h 38m 20s 1284: On 10 November , your 1630 zone time DR position is LAT 25°10.0'N, LONG 71°12.0'W. You are on course 335°T at a speed of 24 knots. What will be the zone time of sunset at your vessel?
N a. 1650 Y b. 1700 N c. 1715 N d. 1730 1285: On 28 June , your 1820 ZT DR position is LAT 16°00.0'N,
LONG 31°00.0'W. You are on course 310°T at a speed of 18 knots. What will be the zone time of sunset at your vessel?
N a. 1828 N b. 1832 N c. 1836 Y d. 1840 1296: 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 N c. 1200 hours Y d. 1300 hours 1422: What organization has an installation at the uppermost end of Carthage Revetment?
N a. U.S. Coast Guard Y b. River Cement Co. N c. U.S. Army Corps. of Engineers N d. International Paper Co. 1565: Which of the following statements concerning the buoys on the Mississippi River is TRUE?
N a. The position of river buoys can be determined by consulting the latest Light List - Vol. V. N b. A preferred channel mark is a lateral mark indicating a channel junction which must always be passed to starboard. Y c. Setting a buoy is the act of placing a buoy on assigned position in the water. N d. None of the above. 1755: The U. S. Coast Guard facility at mile 361 AHP is represented by which numbered white square on your map?
Y a. 8 N b. 11 N c. 12 N d. 13 2103: On 24 August , in DR position LAT 26°49.4'N, LONG 146°19.4'E, you observe an amplitude of the Sun. The Sun's center is on the celestial horizon and bears 084°psc. The chronometer reads 07h 55m 06s and is 01m 11s fast. Variation in the area is 15°W. What is the deviation of the magnetic compass?
N a. 8.0°E Y b. 8.3°E N c. 8.5°E N d. 8.7°E 2120: At 1502 ZT, on 4 August , in DR position LAT 11° 21.6' S, LONG 088° 14.3' E, you observe an amplitude of the Moon. The upper limb of the Moon is on the visible horizon and bears 289° psc. The variation is 15° W. What is the deviation?
N a. 1.1°E Y b. 1.1°W N c. 1.9°E N d. 1.9°W 2126: 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 2174: On 18 October , at 0518 ZT, morning stars were observed and the vessel's position was determined to be LAT 25°31.0'N, LONG 146°29.2'E. Your vessel is steaming at 19.0 knots on a course of 308°T. A sextant observation of the Sun's lower limb is made at 0915 ZT. The chronometer reads 11h 17m 11s, and the sextant altitude (hs) is 34°51.4'. The index error is 2.0' off the arc, and the chronometer error is 01m 57s fast. Your height of eye on the bridge is 54.0 feet. What is the azimuth (Zn) of this sight using the assumed position?
N a. 120.6°T N b. 121.9°T Y c. 125.5°T N d. 127.3°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 2657: You are steering 349°T, and a light is picked up dead ahead at a distance of 17.2 miles at 2122. You change course to pass the light 4.5 miles off abeam to port. If you are making 19.5 knots, what is your ETA at the position 4.5 miles off the light?
N a. 2207 N b. 2210 Y c. 2213 N d. 2216 3056: The propeller on a vessel has a diameter of 18.8 feet and a pitch of 21.4 feet. What would be the slip if the vessel cruised 378 miles in a 24 hour day (observed distance) at an average RPM of 76?
Y a. +1.9% N b. -1.9% N c. +4.7% N d. -4.7% 3461: You wish to make good a course of 053°T while turning for an engine speed of 16 knots. The set is 345°T, and the drift is 2.4 knots. What speed will you make good along the track line?
N a. 14.1 knots N b. 15.2 knots N c. 16.1 knots Y d. 16.8 knots 4003: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2°W. The variation is 8°W. Find the deviation on a gyro heading of 058°.
HEADING HEADING HEADING
PSC PGC PSC PGC PSC PGC
358.5° - 354° 122.5° - 114° 239.5° - 234°
030.5° - 024° 152.0° - 144° 269.0° - 264°
061.5° - 054° 181.0° - 174° 298.0° - 294°
092.0° - 084° 210.0° - 204° 327.5° - 324°
Y a. 1.5°W N b. 1.0°W N c. 1.0°E N d. 0.5°W 11306: At 1919 your position is LAT 37°00.0'N, LONG 75°30.0'W. At 1950 your position is LAT 36°59.5'N, LONG 75°37.0'W. What is the speed made good?
N a. 5.6 knots N b. 8.2 knots N c. 9.1 knots Y d. 10.9 knots 11901: You are turning for 7.5 knots and a westerly wind is causing 2° of leeway. There is a current of 047°T at 1.2 knots. What course should you steer between the entrance to Quonochontaug Pond (LAT 41°19.8'N, LONG 71°43.2'W) and the entrance to Great Salt Pond (LAT 41°12.0'N,
LONG 71°35.6'W)?
N a. 156°T Y b. 155°T N c. 144°T N d. 140°T 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 12905: At 0919 you are in Chesapeake Channel between Trestle B and Trestle C of the Chesapeake Bay Bridge and Tunnel. What is your ETA to a point between York Spit Channel Buoys "35" and "36" if you are making 11.3 knots and follow the buoyed channel?
N a. 1025 N b. 1028 N c. 1033 Y d. 1037 13404: Your vessel has become disabled and is dead in the water. Your GPS position is LAT 41°12.1'N, LONG 72°43.5'W. You decide to anchor at this position. Under normal conditions, how much anchor chain should you expect to put out?
N a. 80 to 190 feet N b. 190 to 240 feet Y c. 245 to 343 feet N d. 345 to 420 feet 13505: What soundings are indicated by a blue tint on this chart?
N a. 30 fathoms or more Y b. 30 feet or less N c. 30 feet or more N d. 30 fathoms or less 14604: Contour elevations on this chart refer to heights in feet above mean __________.
N a. lower low water N b. high water N c. low water Y d. sea level 15014: If you make good 12 knots, what is the ETA at North Chesapeake Channel Entrance Buoy "NCA" (LL #375)?
N a. 2116 Y b. 2111 N c. 2106 N d. 2101 15022: You are upbound approaching Springfield Bend Lt. (mile 244.8 AHP) downriver from Profit Island. Which of the following statements is TRUE?
N a. Profit Island Chute is open to navigation and is a shortcut for single-barge tows. N b. Tow length must not exceed 600 feet to use Profit Island Chute. Y c. Profit Island Chute is closed to navigation. N d. Tows must navigate towards right descending bank when passing Profit Island Chute. 15026: The highest point on your towboat is 53 feet above the water, and the Helena Gage (mile 663 AHP) reads 6.7 feet. What is the vertical clearance when you pass under the Helena Highway Bridge in Helena?
Y a. 59.9 feet N b. 62.5 feet N c. 64.1 feet N d. 65.5 feet 15115: If the visibility is 11 miles, what is the luminous range of New Point Comfort Spit Light "4"?
N a. 0.5 mile N b. 3.8 miles N c. 4.3 miles Y d. 5.0 miles 15519: As an option to heading into Long Island Sound, you consider anchoring in the vicinity of the Gardiners Point Ruins approximately one mile off the north end of Gardiners Island. What is the minimum recommended distance from the ruins for fishing,
trawling, or anchoring?
Y a. 300 yards (91 meters) N b. 1.0 mile N c. 0.5 mile N d. No distance is prescribed since any such activities in the area are prohibited. 15720: The red sector of New London Harbor Light covers from __________.
N a. 040° - 310° Y b. 000° - 041° N c. 208° - 220° N d. 204° - 239° 15770: At 0930, your position is LAT 41°16.5'N, LONG 71°41.4'W, and you are turning for 7 knots. Allowing 3° leeway for northerly winds and estimating the current as 035° at 0.3 knot, what is the course to steer (pgc) to point "B"?
N a. 084°pgc Y b. 086°pgc N c. 091°pgc N d. 094°pgc 15910: At 0802, Branford Reef Light bears 348°T at 0.75 mile,
and the north point of Falkner Island bears 088°T at 6.7 miles. What were the set and drift since 0740?
N a. Set 040°T, drift .3 knot Y b. Set 220°T, drift .9 knot N c. Set 220°T, drift .3 knot N d. You are making good your intended course and speed. 16363: At 0405, you increase speed and at 0500 your position is LAT 37°06.0'N, LONG 75°41.1'W. What is the approximate depth of water?
N a. 46 feet (13.9 meters) Y b. 54 feet (16.4 meters) N c. 62 feet (18.8 meters) N d. 66 feet (20.0 meters) 16410: By 1015, visibility has increased to 5.0 miles and you can see Fishers Island. Fishers Island has __________.
N a. low and sandy beaches with salt ponds and marsh grass N b. sheer cliffs rising from the sea to a high, flat plateau N c. barren, rocky hills with prominent sandy beaches Y d. sparsely wooded hills and is fringed with shoals to the south 16616: At 0130, your position is LAT 41°09.3'N, LONG 72°46.9'W when you change course to 086°T. If you make good 086°T,
what is the closest point of approach to Twenty-Eight Foot Shoal Lighted Buoy?
N a. 0.7 mile Y b. 0.9 mile N c. 1.1 miles N d. 1.2 miles 16713: At 0600 you take the following bearings:
Point Judith Light bearing 063°pgc
Block Island North Reef Light bearing 144°pgc
What is your 0600 position?
N a. LAT 41°18.1'N, LONG 71°38.3'W Y b. LAT 41°18.3'N, LONG 71°38.7'W N c. LAT 41°18.4'N, LONG 72°38.1'W N d. LAT 41°18.5'N, LONG 71°38.9'W 16720: In order to check your compasses, you sight North Dumpling Island Light in line with Latimer Reef Light bearing 074°
pgc. The helmsman was steering 303°pgc and 315° per standard magnetic compass at the time. Which of the following is TRUE?
Y a. The gyro error is still 2°E. N b. The deviation based on the observation is 15°W. N c. The magnetic compass error is 12°W. N d. The true line of the range is 072°. 16744: You continue to steer 285°pgc from your 0052 fix. Your speed is 9.2 knots. What is the course per standard magnetic compass?
N a. 273.5° N b. 276.0° N c. 298.0° Y d. 302.0°