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 64: What is the length of the trip?
N a. 726.0 miles Y b. 851.9 miles N c. 878.9 miles N d. 879.6 miles 106: You are steaming at 22 knots and burning 319 barrels of fuel per day. You must decrease your consumption to 137 barrels per day. What must you reduce your speed to in order to burn this amount of fuel?
N a. 12.4 N b. 14.8 Y c. 16.6 N d. 18.2 198: While navigating inbound Thimble Shoal Channel system you must __________.
N a. navigate in the main channel when between Trestles A & B Y b. use the north auxiliary channel N c. remain 1500 yards (1360 meters) from large naval vessels N d. maintain a speed of six knots 205: From your 1830 fix, you come left to a course of 290°T. Which of the following statements concerning Watch Hill Light is FALSE?
N a. The nominal range of its white light is 15 miles. N b. It displays both red and white lights. Y c. Its geographic range is 18.5 miles at a 35 foot (10.7 meter) height of eye. N d. Its horn blasts every 30 seconds in fog. 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 300: You are bound for New London. Where will you cross the demarcation line and be governed by the Inland Rules of the Road?
N a. You are already governed by the Inland Rules. N b. Above the Thames River Bridge Y c. In the Race N d. You will not be governed by the Inland Rules. 343: While on a heading of 082°T, you sight Middle Ground Light in line with Old Field Point Light bearing 206° per standard magnetic compass. From this you can determine the __________.
Y a. deviation table is correct for that heading N b. variation N c. compass error is 17.5°E N d. deviation is 3.5°E for a bearing of 206° per standard magnetic compass 520: On 29 June you observe the star Achernar at a sextant altitude (Hs) of 54°18.9'. The index error is 4.7' off the arc. The height of eye is 58 feet. What is the observed altitude (Ho)?
N a. 54°06.1' Y b. 54°15.5' N c. 54°31.5' N d. 54°43.7' 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 705: At 1554, on 25 May, you pass Huntington Point Light (mile 555.2 AHP). What was your average speed since departing Amoco Pipeline Co. DockS (mile 253.6 AHP)?
Y a. 6.2 mph N b. 5.2 mph N c. 4.8 mph N d. 4.3 mph 812: On 28 July , your 0800 zone time (ZT) fix gives you a position of LAT 25°16.0'N, LONG 71°19.0'W. Your vessel is on course 026°T, and your speed is 17.5 knots. Local apparent noon (LAN) occurs at 1150 ZT, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 82°28.7'. What is the latitude at 1200 ZT?
N a. 26°25.0'N Y b. 26°27.6'N N c. 26°29.8'N N d. 26°32.0'N 827: On 16 November , your 1200 ZT DR position is LAT 26°48.0'S, LONG 124°32.0'W. Your vessel is on course 078°T, speed 17.0 knots. You observe an ex-meridian of the Sun's lower limb. The sextant (hs) reads 81°41.3'. The index error is 1.5' off the arc, and your height of eye is 56 feet. The chronometer time of the observation is 08h 15m 32s, and the chronometer is 03m 06s fast. What is your latitude at meridian transit?
Y a. 26°42.6'S N b. 26°47.1'S N c. 26°49.5'S N d. 26°52.3'S 1104: On 19 November , your 0200 zone time DR position is LAT 20°29.0'N, LONG 150°21.3'E. You are on course 136°T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix. NP-0033
N a. LAT 19°30.1'N, LONG 151°06.0'E N b. LAT 19°31.7'N, LONG 151°04.9'E Y c. LAT 19°33.0'N, LONG 151°10.0'E N d. LAT 19°35.8'N, LONG 151°13.6'E 1126: What are the dotted lines crossing at mile 529.7 AHP?
Y a. submarine cables N b. power cables N c. gated dams N d. workboat crossings 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 1229: Which type of daymark would you see on the Belle Island Corner Lt. at mile 458.6 AHP?
N a. Green - Diamond N b. Green - Square Y c. Red - Diamond N d. Red - Triangle 1274: On 13 February , at 0325 zone time, your DR position is LAT 23°20'N, LONG 155°15'W. You are steering 240°T at a speed of 13.6 knots. What is the zone time of sunrise?
N a. 0652 Y b. 0657 N c. 0706 N d. 0711 1366: On which river is New Providence, TN located?
N a. Allegheny N b. Upper Mississippi N c. Ohio Y d. Cumberland 1802: You are turning for 10 mph and passing Hog Point ,LA. Angola reports that the current at Red River Landing is 4.5 mph. Which statement is TRUE?
N a. The main channel lies on the north side of the island you see ahead. N b. You are making 14.5 mph over the ground. N c. You would expect to find the more favorable current near the broken red line in the river. Y d. You should expect to encounter vessels crossing the river at mile 300.5 AHP. 2205: What are the dimensions of Old River Lock, on the Lower Mississippi River?
N a. 1202 feet x 84 feet Y b. 1190 feet x 75 feet N c. 760 feet x 75 feet N d. 425 feet x 75 feet 2213: Controlling depth of a channel __________.
Y a. is the least depth within the limits of the channel N b. is the greatest depth within the limits of the channel N c. permits the safe use of the channel to drafts of more than that depth N d. is the designed dredging depth of a channel constructed by the U.S. Army Corps. of Engineers 2283: You observe the lower limb of the Sun at a sextant altitude (hs) of 22°58.6' on 16 June . The index error is 2.0' off the arc. The height of eye is 61 feet. What is the observed altitude (Ho)?
Y a. 23°06.7' N b. 23°09.9' N c. 23°15.4' N d. 23°22.2' 2371: Which of the following statements are TRUE?
N a. Oil well structures are listed in the Light List. N b. All aids to navigation with lights have lateral significance. Y c. On the Western Rivers, crossing marks may exhibit white lights. N d. None of the above. 2371: Which of the following statements are TRUE?
N a. Oil well structures are listed in the Light List. N b. All aids to navigation with lights have lateral significance. Y c. On the Western Rivers, crossing marks may exhibit white lights. N d. None of the above. 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 2591: Which statement best describes the shoreline at Mount Misery?
N a. Wooded, barren hills with a rocky beach N b. Low, rocky cliffs with heavily wooded hills inland N c. Sand dunes and beaches with a mud and sand bottom Y d. Sand bluffs 60 feet high and banks dug out by sand and gravel companies 2659: You are steering 115°T, and a light is picked up dead ahead at a distance of 16.7 miles at 0522. You change course to pass the light 3.5 miles off abeam to port. If you are making 12 knots, what is your ETA at the position 3.5 miles off the light?
Y a. 0644 N b. 0647 N c. 0650 N d. 0653 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° 2701: You are underway on course 204°T at a speed of 17.3 knots. You sight a light bearing 205°T at a radar range of 4.7 miles at 1222. If you change course at 1228, what is the course to steer to leave the light abeam to port at 1.5 miles?
N a. 223°T N b. 229°T Y c. 236°T N d. 240°T 2891: You are steaming on course 168°T at a speed of 18 knots. At 1426 you sight a buoy bearing 144°T. At 1435 you sight the same buoy bearing 116°T. What is your distance off at the second bearing and predicted distance when abeam?
Y a. 2.3 miles 2nd bearing, 1.8 miles abeam N b. 2.5 miles 2nd bearing, 2.8 miles abeam N c. 2.8 miles 2nd bearing, 1.8 miles abeam N d. 3.3 miles 2nd bearing, 2.8 miles abeam 3098: If the pitch of the propeller is 21.2 feet, and the revolutions per day are 93,660, calculate the day's run allowing 5% positive slip.
N a. 163.3 miles N b. 217.8 miles Y c. 310.3 miles N d. 342.9 miles 3291: While steaming at 19.5 knots, your vessel burns 297 bbls of fuel per day. What will be the rate of fuel consumption if you decrease speed to 15 knots?
Y a. 135 bbls N b. 176 bbls N c. 229 bbls N d. 243 bbls 3296: Your vessel consumes 199 barrels of fuel per day at a speed of 14.5 knots. What will be the fuel consumption of your vessel at 10.0 knots?
Y a. 65 bbls N b. 95 bbls N c. 137 bbls N d. 148 bbls 3296: Your vessel consumes 199 barrels of fuel per day at a speed of 14.5 knots. What will be the fuel consumption of your vessel at 10.0 knots?
Y a. 65 bbls N b. 95 bbls N c. 137 bbls N d. 148 bbls 3759: 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 147°T, and the variation is 5°E. If the heading of your vessel at the time of the sighting is 148° per standard magnetic compass,
what is the correct deviation?
N a. 1°E N b. 1°W N c. 6°E Y d. 6°W 10302: Determine the course per standard magnetic compass from Cerberus Shoal Buoy 9 (LAT 41°10.4'N, LONG 71°57.1'W) to a position 0.2 mile south of Race Rock Light (LAT 41°14.6'N, LONG 72°02.8'W).
Y a. 326.5°psc N b. 324.0°psc N c. 298.5°psc N d. 296.0°psc 10700: At 1020 your position is LAT 41°11.0'N, LONG 71°50.0'W. You are on course 056° per standard magnetic compass at 9.2 knots. At 1112 your position is LAT 41°15.9'N, LONG 71°41.7'W. What were the set and drift?
N a. 130°T at 0.9 knot Y b. 141°T at 1.2 knots N c. 331°T at 0.8 knot N d. 346°T at 1.1 knots 10708: At 0726 you depart Lake Montauk with light 1 close aboard and set course 309° per standard magnetic compass at 6.7 knots. At 0818 your GPS position is LAT 41°07.1'N, LONG 72°02.6'W. What is the current?
Y a. 102°T at 0.6 knot N b. 164°T at 0.7 knot N c. 334°T at 0.9 knot N d. 321°T at 0.6 knot 11308: At 1919 your position is LAT 37°00.0'N, LONG 75°30.0'W. At 2011 your position is LAT 36°59.5'N, LONG 75°44.9'W. What was the speed made good?
Y a. 13.7 knots N b. 12.0 knots N c. 11.6 knots N d. 10.9 knots 12907: At 0914 you are in Chesapeake Channel between Trestle B and Trestle C of the Chesapeake Bay Bridge and Tunnel. What is your ETA at North Chesapeake Entrance Buoy NCA if you are making good 10.9 knots (Use the buoyed channel and appropriate sea lane)?
Y a. 1038 N b. 1044 N c. 1049 N d. 1055 13902: A vessel enroute to Long Island Sound from sea will enter waters governed by the Inland Rules of the Road __________.
N a. when crossing the Territorial Sea boundary N b. between Montauk Point and Block Island N c. when north of latitude 41°10.0'N Y d. when passing through The Race 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. 15208: At 1750, your position is LAT 37°14.5'N, LONG 76°22.9'W. What was the course made good between 1730 and 1750?
N a. 072°T N b. 075°T Y c. 078°T N d. 080°T 15643: The light on Block Island Sound South Entrance Obstruction Buoy "BIS" is reported extinguished. Which of the following will serve as a positive warning that you are being set onto the obstruction?
N a. Radar ranges to Southwest Point of less than 7.9 miles N b. Soundings of less than 50 feet N c. Shagwong Reef Lighted Bell Buoy "7SR" 3.1 miles off abeam Y d. Race Rock Light bearing 299°T and decreasing 15870: What is the approximate distance from a point three miles south of Stratford Point to Perth Amboy, NJ?
N a. 53 miles N b. 62 miles Y c. 73 miles N d. 136 miles 15911: What publication contains information on the navigational hazards in the vicinity of Falkner Island?
N a. The navigational regulations in Title 46 Code of Federal Regulations N b. Inland Navigation Rules N c. U.S. Coast Guard Light List Y d. U.S. Coast Pilot 16069: From your 2118 position, you steer a course of 288°T at an engine speed of 7.0 knots. Visibility is 2 miles. Height of eye is 12 feet (3.7 meters). At what time can you expect to see Old Point Comfort Light?
N a. The light is visible at 2118 N b. 2139 N c. 2201 Y d. 2232 16112: At 0530, the Coast Guard announces that Chesapeake Channel is closed indefinitely due to a collision occurring in the channel between Trestle "B" and "C" of the Chesapeake Bay Bridge and Tunnel. You exit York Spit Channel, leaving buoy "20" abeam to port at 0.1 mile, and alter course to leave Horseshoe Crossing Lighted Bell Buoy abeam to port at 0.2 mile. What is the course per gyrocompass?
N a. 185°pgc N b. 187°pgc N c. 190°pgc Y d. 193°pgc 16206: You are steering 087°pgc and turning for 6.8 knots. At 0600, you take the following bearings:
Little Gull Island Light bearing 089.5° pgc
Bartlett Reef Light bearing 047° pgc
What is your 0600 position?
N a. LAT 41°11.2'N, LONG 72°14.6'W Y b. LAT 41°12.1'N, LONG 72°13.8'W N c. LAT 41°12.3'N, LONG 72°14.7'W N d. LAT 41°12.5'N, LONG 71°14.9'W 16441: When you get underway, you will take the most direct route to buoy "CBJ", while remaining west of York Spit Channel. You will be turning for 9.7 knots and estimate an average ebb of 0.3 knot during the transit. How long will it take to steam from the anchor position to buoy "CBJ"?
N a. 2h 16m Y b. 2h 33m N c. 2h 42m N d. 2h 51m 16520: Which chart should you use to enter Great Salt Pond?
N a. 13214 N b. 13205 Y c. 13217 N d. 13207