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.
139: What is the distance to Caruthersville Gage from Cape Girardeau?
N a. 54.4 miles Y b. 160.4 miles N c. 793.4 miles N d. 899.4 miles 215: As an option to heading into Long Island Sound, you consider anchoring in the vicinity of the Gardiners Point Ruins at the north end of Gardiners Island. What is the minimum recommended distance from the ruins for fishing, trawling, or anchoring?
N a. 1.0 mile N b. 0.8 mile N c. 0.5 mile Y d. 300 yards (91 meters) 267: 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 .2 knot N b. Set 220°T, drift .2 knot Y c. Set 220°T, drift .6 knot N d. You are making good your intended course and speed. 272: At 0925, you plot the following bearings:
Falkner Island Light bearing 251°true
Kelsey Point BW Light bearing 075°true
If you correct for a current setting 215°T at 0.5 knot, what course will you steer from the 0925 position to arrive at a position 0.5 mile south of Long Sand Shoal West End Horn Buoy "W"?
N a. 102°T N b. 096°T N c. 093°T Y d. 089°T 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. 846: On 22 February , your 0612 zone time fix gives you a position of LAT 27°16.2'S, LONG 37°41.6'W. Your vessel is on course 298°T, and your speed is 14.2 knots. Local apparent noon (LAN) occurs at 1147 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 73°33.3'. What is the calculated latitude at LAN?
Y a. 26°31.4'S N b. 26°29.5'S N c. 26°27.1'S N d. 26°24.8'S 1308: At Filter Point Light (mile 475 AHP) there are 2 close straight dashed lines on the map passing through the black dots. What do these lines represent?
N a. Submerged oil pipelines N b. Submerged gas pipelines N c. Submerged telephone cables Y d. Aerial power cables 1535: The Red River Landing Gage reads 5.2 feet. The low water reference plane (LWRP) for Red River is 10.6 feet. Which of the following statements is TRUE?
Y a. River level is below the Low Water Reference Plane. N b. The depth over revetment at Old River is 25.2 ft. N c. The depth over Old River Lock sill is greater than 11 ft. N d. This gage reading is at a higher elevation than the same reading on the Gage at Head of Passes. 1671: On 9 May , your vessel's 1809 ZT DR position is LAT 48°13.7'N, LONG 168°36.3'E, when an amplitude of the Sun is observed. The Sun's center is on the celestial horizon and bears 283.7° per standard magnetic compass. Variation in the area is 13.0°E. The chronometer reads 07h 13m 19s and is 02m 56s fast. What is the deviation of the standard compass?
Y a. 0.1°W N b. 1.1°W N c. 1.1°E N d. 1.9°W 1898: On 22 May , your 0437 DR position is LAT 25°18.5'N, LONG 51°18.0'W. You observe an unidentified star bearing 142°T at an observed altitude (Ho) of 23°10.2'. The chronometer reads 07h 40m 40s, and is 03m 24s fast. What star did you observe?
N a. Markab N b. Diphda N c. Sabik Y d. Fomalhaut 1925: On 23 September , your 1836 DR position is LAT 25°18'S, LONG 162°36'E. You observe an unidentified star bearing 148°T at an observed altitude (Ho) of 13°32'. The chronometer reads 07h 34m 12s, and is 01m 54s slow. Which star did you observe?
N a. Antares N b. Canopus Y c. Achernar N d. Sirius 2007: On 4 September , your 1813 zone time DR position is LAT 24°18.0'S, LONG 95°16.0'E. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time?
N a. Enif, Miaplacidus, Alkaid N b. Betelgeuse, Acrux, Hamal Y c. Rasalhague, Fomalhaut, Spica N d. Deneb, Altair, Vega 2053: At 2342, on 25 August, you pass under the Helena Highway Bridge (mile 661.7 AHP). What has been the average speed of the current since departing Memphis Harbor, McKellar Lake, if you have been making turns for 9 mph?
Y a. 1.8 mph N b. 2.1 mph N c. 4.4 mph N d. 5.6 mph 2112: At 0130, you obtain the following bearings:
Horton Point Lighthouse 078°T
Mattituck Breakwater Light tower 196°T
What were the course and speed made good between 0100 and 0130?
Y a. 246°T at 9.8 knots N b. 253°T at 9.4 knots N c. 259°T at 9.8 knots N d. 267°T at 9.4 knots 2460: You have steamed 499 miles at 21 knots and burning 462 barrels of fuel per day. You must decrease your consumption to 221 barrels per day with 311 miles left in your voyage. What must you reduce your speed (kts) to in order to burn this amount of fuel?
N a. 17.3 Y b. 18.4 N c. 19.1 N d. 20.0 2461: You have steamed 540 miles at 22 knots and burning 618 barrels of fuel per day. You must decrease your consumption to 372 barrels per day with 299 miles left in your voyage. What must you reduce your speed (kts) to in order to burn this amount of fuel?
Y a. 16.5 N b. 17.6 N c. 19.1 N d. 20.0 2533: In high water conditions, which publication would you consult for the latest information on buoys between Baton Rouge and Cairo?
N a. List of Buoys and Daymarks N b. Coast Pilot N c. Army Corps. of Engineers Navigation Chart Y d. U.S.C.G. Local Notice to Mariners 2663: You are on course 035°T, speed 18.3 knots. At 0719 you see a buoy bearing 036°T at a range of 4.1. If you change course at 0725 to leave the buoy abeam to port at 1.0 mile,
at what time will the buoy be abeam?
N a. 0740 N b. 0738 N c. 0735 Y d. 0732 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% 3062: The propeller on your vessel has a pitch of 22.8 feet. From 0800, 18 April, to 1020, 19 April, you steamed an observed distance of 403.6 miles. If your average RPM was 74, what was the slip?
N a. +7.0% N b. -7.0% Y c. +8.0% N d. -8.0% 3081: If the speed necessary for reaching port at a designated time is 12.6 knots and the pitch of the propeller is 13.6 feet, how many revolutions per minute will the shaft have to turn, assuming no slip?
N a. 81 N b. 85 N c. 90 Y d. 94 3268: Your vessel arrives in port with sufficient fuel to steam 595 miles at 14 knots. If you are unable to take on bunkers, at what speed must you proceed to reach your next port, 707 miles distant?
N a. 12.2 knots N b. 12.5 knots Y c. 12.8 knots N d. 14.4 knots 3302: You have steamed 132 miles and consumed 14.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 289 miles?
N a. 21.6 tons N b. 24.5 tons N c. 27.9 tons Y d. 30.7 tons 3613: You are steering a magnetic compass course of 075°. The variation for the area is 10°W, and the compass deviation is 5°E. What is the true course you are steering?
N a. 060°T Y b. 070°T N c. 080°T N d. 090°T 3770: You wish to check the deviation of your standard magnetic compass. You find a natural range that you steer for and note that the gyrocompass heading is 034°, and the heading by standard magnetic compass is 026°. The gyro error is 1°W. Variation is 9°E. What is the deviation for that heading?
Y a. 2°W N b. 0° N c. 2°E N d. 9°E 10600: At 1620 your GPS indicates a position of LAT 41°09.0'N, LONG 72°40.0'W. You are on course 134° per standard magnetic compass at a speed of 10 knots. At 1700 your GPS indicates your position as LAT 41°05.3'N, LONG 72°33.7'W. What were the set and drift?
N a. 067°T at 1.7 knots N b. 078°T at 1.1 knots N c. 243°T at 1.0 knot Y d. 249°T at 1.6 knots 10607: At 0912 your GPS position is LAT 41°04.9'N, LONG 72°42.1'W. You are on course 085° per standard magnetic compass at a speed of 6 knots. At 1052 your GPS position is 0.5 mile due south of Twenty-Eight Foot Shoal Lighted Buoy "TE". What were your set and drift?
N a. 145°T at 1.2 knots N b. 148°T at 0.9 knot N c. 320°T at 1.3 knots Y d. 325°T at 0.7 knot 10901: The area around Cape Charles is _______________ .
Y a. low and bare, but the land back of it is high and wooded N b. composed of low to medium rolling hills N c. well defined with rocky outcroppings N d. marked by high, barren hills 11014: What will be the velocity of the tidal current outside the breakwater at New Haven Hbr. entrance on 26 May 1983 at 1045 DST (ZD +4)?
N a. 0.0 knot N b. 0.3 knot Y c. 0.5 knot N d. 1.3 knots 11408: At 1930 your GPS position is LAT 41°08.6'N, LONG 72°41.6'W. At 2024 your position is LAT 41°00.5'N, LONG 72°49.5'W. What is your true course and speed made good?
N a. 219° at 10.1 knots Y b. 216° at 11.2 knots N c. 039° at 9.9 knots N d. 036° at 11.1 knots 12200: You are on course 119°psc. You sight New Haven Outer Channel Range Rear Light in line with the Outer Channel Range Front Light bearing 346° per standard magnetic compass. This indicates that __________.
N a. you should swing the vessel to determine the deviation Y b. the existing deviation table is correct for that heading N c. your compass is affected by a local magnetic disturbance N d. the compass error is 16°W 13106: 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 11.3 knots?
Y a. 1144 N b. 1154 N c. 1159 N d. 1205 13308: You are navigating 1 mile north of Cape Henry Lighthouse at the southern entrance to Chesapeake Bay. You observe that this area is bounded on the chart by magenta bands. This indicates a(n) __________.
N a. fish trap area N b. explosive anchorage Y c. pilotage area N d. danger zone 14300: What is the height above the water of Government Island Upper Range, lower light?
Y a. 20 feet N b. 24 feet N c. 38 feet N d. 42 feet 14515: At 2150, your position is LAT 36°57.2'N, LONG 76°01.3'W. In this position on the chart, you note a light magenta line running in a direction of 030°T. This line indicates the limits of __________.
N a. a precautionary area Y b. a pilotage area N c. the Cape Henry Light red sector N d. chart 12222 15011: Assume set and drift have no effect on your vessel. If you change course to 187°pgc from your 1950 position, how close will you pass Cape Charles Lighted Bell Buoy "14"?
N a. 0.1 mile N b. 0.5 mile Y c. 1.1 mile N d. 1.7 miles 15024: Which of the following statements regarding buoys on the Mississippi River is TRUE?
N a. The positions of river buoys can be found in the latest edition of Light List-Vol. V. Y b. Buoy positions on the chart are approximate. N c. The buoys are maintained on station year round. N d. The buoys do not shift positions due to permanent moorings. 15028: At what time would you listen to VHF Channel 22 (157.1 MHz) for information concerning the stage of the river between Memphis and Cairo?
N a. 1115 N b. 1235 Y c. 1300 N d. 1815 15039: At 0725 you determined your vessel's position to be 37°15.5'N, 75°33.2'W. Assuming that you make good your course of 206° true and a speed of 18 knots, at what time would you expect to be abeam of Cape Charles Lighted Bell Buoy "14"?
N a. 0750 N b. 0754 Y c. 0758 N d. 0802 15140: At 2100 your position is 40°44.1'N, 72°07.6'W. From this position, at which time will Montauk Point Light become visible if the luminous range of the light is 8 miles?
N a. 2215 Y b. 2221 N c. 2227 N d. 2235 15340: At 1718, Bartlett Reef Light bears 050°T at a distance of 1.5 miles. From this position, you change course to 128°
T. At 1750 Race Rock Light bears 336°T, Little Gull Island Light bears 285°T, and Montauk Point Light bears 134°T. What were the set and drift of the current you encountered since 1718?
N a. 245°T at 0.9 knots N b. 245°T at 1.7 knots Y c. 065°T at 1.7 knots N d. 065°T at 0.9 knots 15409: 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?
N a. 109°pgc N b. 117°pgc N c. 123°pgc Y d. 129°pgc 15465: 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. Y b. The line marks the limits of a regulated area. N c. The line indicates a submarine cable, and you should not anchor in the area. N d. It marks the range between Hampton Roads and Cherrystone Channel. 15709: At 0830, you obtained the following radar informations:
Branford Reef Light bearing 259° true @ 4.2 nm
What is your vessel's position?
N a. LAT 41°12.4'N, LONG 73°56.0'W N b. LAT 40°17.4'N, LONG 73°54.0'W N c. LAT 41°12.0'N, LONG 72°53.8'W Y d. LAT 41°12.4'N, LONG 72°53.8'W 16343: At 2302 you change course to compensate for an estimated current of 090°T, at 1.0 knot. What course per gyrocompass will you steer to leave Endeavor Shoals Lighted Gong Buoy "3" abeam to port at 1 mile?
N a. 324°pgc Y b. 327°pgc N c. 330°pgc N d. 333°pgc 16406: At 0227, you take the following radar ranges and bearings:
Bartlett Reef Light 359°T at 2.4 miles
Race Rock Light 083°T at 4.1 miles
What is your 0227 position?
Y a. LAT 41°14.1'N, LONG 72°08.2'W N b. LAT 41°14.2'N, LONG 72°08.4'W N c. LAT 41°14.0'N, LONG 72°08.5'W N d. LAT 41°14.3'N, LONG 72°08.5'W 16541: At 2255 you take the following visual bearings.
Saybrook Breakwater Light 333°pgc
Little Gull Island Light 094°pgc
Horton Point Light 211°pgc
What is your position?
Y a. LAT 41°13.6'N, LONG 72°19.2'W N b. LAT 41°13.8'N, LONG 72°19.6'W N c. LAT 41°14.0'N, LONG 72°19.0'W N d. LAT 41°14.2'N, LONG 72°19.7'W 16615: At 0112, the radar range to Branford Reef Light is 2.9 miles. At 0125, the range is 3.6 miles. What is the position of your 0125 running fix if you are steering 124°T at 12 knots?
Y a. LAT 41°09.7'N, LONG 72°48.1'W N b. LAT 41°09.7'N, LONG 72°48.7'W N c. LAT 41°09.8'N, LONG 72°47.2'W N d. LAT 41°10.2'N, LONG 72°47.7'W 16707: Point Judith Harbor of Refuge __________.
N a. is used mostly by towing vessels N b. has a maximum depth of 14 feet at MHW N c. is easily accessible in heavy southerly seas Y d. is entered through the East Gap or the West Gap 16843: At what time will you enter the inbound traffic lane with Buoy "NCA" (LL #375) bearing 180°T at 0.3 mile?
N a. 1003 Y b. 0957 N c. 0951 N d. 0948