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.
94: You have orders to drop off the empties at the fleeting area in Cairo and add five loaded barges to your tow. If you are turning for 8 mph and estimate the current at 0.5 mph, what is your ETA at Cairo?
N a. 1928, 11 Aug Y b. 1614, 11 Aug N c. 1327, 11 Aug N d. 2352, 10 Aug 170: You observe the lower limb of the Sun at a sextant altitude (hs) of 54°28.2' on 22 July . The index error is 1.5' off the arc. The height of eye is 56 feet (17.1 meters). What is the observed altitude (Ho)?
N a. 54°30.9' N b. 54°36.2' Y c. 54°37.7' N d. 54°37.9' 221: At 1815, your position is LAT 37°01.0'N, LONG 75°42.7'W. If there is no current, what is the course per standard magnetic compass to arrive at a point 0.3 mile due north of North Chesapeake Entrance Lighted Whistle Buoy "NCA" (LL#375)?
Y a. 257.0° N b. 255.5° N c. 251.0° N d. 249.0° 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. 318: From your 1915 fix you come right and steer a course of 200°T. At 2000, your position is LAT 37°05.5'N, LONG 76°07.0'W. Your intention is to pass through Chesapeake Channel. If there are no set and drift, what course would you steer per standard magnetic compass to make good a course of 145°T?
Y a. 156° N b. 151° N c. 139° N d. 134° 335: At 1810, you obtain the following bearings:
Cape Charles Light bearing 005° pgc
Cape Henry Light bearing 251.5° pgc
What is your position?
N a. LAT 36°56.0'N, LONG 75°58.5'W N b. LAT 36°55.4'N, LONG 75°56.0'W Y c. LAT 36°56.8'N, LONG 75°55.6'W N d. LAT 36°57.4'N, LONG 75°54.6'W 431: At 0900, the current is flooding in a direction of 350°T at 1.2 knots. If your engines are turning RPMs for 9 knots, which course should you steer per standard magnetic compass to make good a course of 297° true?
N a. 319°psc N b. 317°psc N c. 311°psc Y d. 302°psc 656: You are planning a voyage by great circle to Reykjavik, Iceland, via Cape Race, Newfoundland, LAT 46°30'N, LONG 53°00'W. Which statement is TRUE? (Use gnomonic tracking chart WOXZC 5274)
N a. The track line will be concave to Cape Farewell (Kap Farvel) when plotted on a Mercator chart. Y b. You will reach the northernmost latitude in the vicinity of Reykjavik. N c. The distance is measured using the length of a degree of latitude at the mid-latitude and mid-longitude position. N d. The Northern Hemisphere vertex is in the vicinity of 49°W longitude. 821: On 30 August , in DR position LAT 26°34.0'N, LONG 141°36.0'W, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 09h 15m 26s, and the chronometer error is 00m 00s. The sextant altitude (hs) is 71°41.7'. The index error is 3.2' off the arc, and your height of eye is 49.6 feet. What is the latitude at meridian transit?
Y a. LAT 26°41.9'N N b. LAT 26°44.6'N N c. LAT 26°48.2'N N d. LAT 26°52.3'N 1135: The low water reference plane (LWRP) for Bayou Sara is 5.25 feet. If the Bayou Sara Gage reads -0.5 feet, what is the water level in relation to the low water reference plane?
N a. 4.75 feet above the plane N b. 5.75 feet above the plane Y c. 5.75 feet below the plane N d. 4.75 feet below the plane 1145: The Memphis Gage reads 18.4 feet. The high point of your towboat is 48 feet above water. What is the vertical clearance as you pass under the Memphis Highway Bridge?
N a. 75.4 feet N b. 66.4 feet N c. 53.8 feet Y d. 46.4 feet 1208: On 12 July , your 0800 ZT DR position is LAT 24°15.0'N, LONG 132°30.0'W. Your vessel is on course 045°T at a speed of 15.0 knots. What is the ZT of local apparent noon (LAN)?
N a. 1146 N b. 1148 Y c. 1152 N d. 1159 1269: At 1400 zone time, on 11 April , your DR position is LAT 25°40'N, LONG 91°00'W. You are steering 180°T at a speed of 10.0 knots. What is your zone time of sunset?
N a. 1812 N b. 1816 N c. 1820 Y d. 1825 1420: What company does NOT have a marine facility along the river bank in Helena (mile 661 to 665 AHP)?
N a. Helena Port Terminal, Inc. Y b. Riceland Food Corps.. N c. Quincy Soybean Co. N d. Texas Eastern Pipeline Co. 1468: On 17 April , your 1516 zone time DR position is LAT 27°24.0'N, LONG 115°24.0'E. At that time, you observe the Sun bearing 247°psc. The chronometer reads 07h 16m 26s, and the chronometer error is 00m 32s slow. The variation is 4.5°E. What is the deviation of the standard compass?
N a. 4.5°W Y b. 5.4°E N c. 6.2°E N d. 6.2°W 1622: 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. N c. Buoys should be passed as close as possible. Y d. Setting a buoy is the act of placing a buoy on assigned position in the water. 1748: As you approach Walnut Point Light (mile 522.5 AHP),
which type of daymark would you see on the light structure?
N a. Red triangle N b. Green diamond N c. Green square Y d. Red diamond 1888: On 8 April , your evening DR position is LAT 22°16.0'N, LONG 157°58.3'W. You observe an unidentified star bearing 238°T at an observed altitude (Ho) of 50°02.7'. The chronometer reads 05h 09m 57s, and is 01m 23s slow. What star did you observe?
N a. Betelgeuse N b. Aldebaran Y c. Alnilam N d. Bellatrix 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 2206: What is the distance in river miles, from the new mouth of the White River to the RR and Hwy bridge at Baton Rouge, LA?
N a. 338 miles Y b. 365 miles N c. 400 miles N d. 454 miles 2500: You are underway and intend to make good a course of 227°T. You experience a current with a set and drift of 350°T at 2.1 knots, and a northwest wind produces a leeway of 5°. You adjust your course to compensate for the current and leeway, while maintaining an engine speed of 11 knots. What will be your speed made good over your intended course of 227°T?
N a. 18.5 knots N b. 18.1 knots N c. 17.6 knots Y d. 17.2 knots 2873: Your vessel is on a course of 103°T at 14 knots. At 1918 a light bears 129.5°T, and at 1937 the light bears 148°T.
At what time and at what distance off will your vessel be when abeam of the light?
N a. 1947, 2.8 miles N b. 1950, 3.2 miles N c. 1953, 3.8 miles Y d. 1956, 4.4 miles 2874: Your vessel is on a course of 207°T at 13 knots. At 0539 a light bears 180.5°T, and at 0620 the light bears 162°T.
At what time and at what distance off will your vessel be when abeam of the light?
N a. 0633, 5.9 miles N b. 0641, 6.5 miles N c. 0653, 7.6 miles Y d. 0701, 8.9 miles 2893: You are steaming on a course of 253°T at 14 knots. At 2329 you observe a lighthouse bearing 282°T. At 2345 the lighthouse bears 300°T. What is your distance off at the second bearing?
N a. 3.7 miles N b. 4.3 miles N c. 5.2 miles Y d. 5.9 miles 3265: You have steamed 1587 miles at 11.2 knots, and have consumed one-half of your total fuel capacity of 2840 bbls. What is the maximum speed you can steam to complete the remaining 1951 miles?
N a. 9.1 knots N b. 9.9 knots Y c. 10.1 knots N d. 11.6 knots 3288: While steaming at 13.5 knots, your vessel consumes 251 barrels of fuel oil per day. In order to reduce consumption to 129 barrels of fuel oil per day, what is the maximum speed the vessel can turn for?
N a. 6.9 knots N b. 9.7 knots Y c. 10.8 knots N d. 12.7 knots 10100: Your GPS position is LAT 36°59.0'N, LONG 75°48.6'W. What is the course per standard magnetic compass to a position one mile south of Cape Charles Buoy "14" (which is positioned at LAT 37°07.4'N, LONG 75°41.0'W)?
Y a. 045°psc N b. 049°psc N c. 053°psc N d. 057°psc 11701: What is the true heading to steer inbound in the York River Entrance Channel if your engines are turning for 9.5 knots, the current is 076°T at 1.2 knots, and a southwesterly wind causes 3° of leeway?
N a. 313°T N b. 308°T N c. 303°T Y d. 300°T 12902: Your 1312 position is LAT 37°10.9'N, LONG 75°29.6'W. You are turning for 8.3 knots. What is your ETA at LAT 37°21.9'N, LONG 75°42.6'W?
N a. 1449 N b. 1456 Y c. 1502 N d. 1511 13410: You plan to anchor your vessel at LAT 41°05.1'N, LONG 72°59.3'W. Assuming that normal conditions exist, how much anchor cable should you put out?
N a. 150 to 300 feet N b. 300 to 440 feet Y c. 440 to 600 feet N d. 640 to 750 feet 13502: The four soundings in the vicinity of LAT 41°12.2'N, LONG 71°33.0'W, that are underlined with a bracket indicate __________.
N a. that no bottom was found at the sounding depth indicated N b. a submerged rock not dangerous to surface navigation N c. the height a rock uncovers at low water springs Y d. a submerged danger that is cleared to the indicated depth by a wire drag 13801: You are operating in the area approximately 2 miles southeast of Kelsey Point when you realize that your vessel's intended track will carry you over the wreck charted at LAT 41°13.5'N, LONG 72°29.6'W. Which statement is TRUE?
N a. The chart indicates the exact position of the wreck. N b. The wreck has been cleared by wire drag to a depth of 39 ft. Y c. The wreck represents a danger to surface navigation. N d. The wreck is visible above the sounding datum. 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 14601: Where would you look for information on the restricted areas shown on the chart immediately above and below the spillway at The Dalles Lock & Dam ?
N a. Light List - Vol II Y b. Coast Pilot 7 - Chapter 2 N c. Notice to Mariners N d. Sailing directions 14702: At 2200 your vessel is at mile 95 proceeding in an easterly direction on the Columbia River. At 0400 the following morning, you pass the 125 mile mark. How many nautical miles have you traveled since 2200?
N a. 22.6 N b. 24.3 Y c. 26.1 N d. 34.5 15019: At 2215, Cape Henry Light bears 242°pgc, Cape Charles Light bears 010.5°pgc, and Chesapeake Channel Tunnel North Light bears 319°pgc. You are heading 271°pgc. What is the relative bearing of Thimble Shoal Light?
N a. 280° N b. 332° Y c. 014° N d. 017° 15268: Your vessel is proceeding up New London Harbor Channel, and you are in line with the range. What would be your course per standard magnetic compass?
N a. 352° N b. 354° N c. 002° Y d. 007° 15644: At 2045 You take the following set of bearings:
Watch Hill Point Light bears 005° true
Montauk Point Light bears 350° true
Determine your 2103 fix.
Y a. LAT 41°09.2'N, LONG 71°52.5'W N b. LAT 41°09.1'N, LONG 71°52.2'W N c. LAT 41°09.0'N, LONG 71°52.9'W N d. LAT 41°08.8'N, LONG 71°52.5'W 15727: The Helena Gage reads 9.4 feet. The high point on your towboat is 46 feet above water. What is the vertical clearance when you pass under the Helena Highway Bridge?
N a. 56.0 feet Y b. 64.2 feet N c. 79.5 feet N d. 106.1 feet 15729: If the Rosedale Gage reads -0.5 feet, what is the water level if the low water reference plane for Rosedale is 3.0 feet?
N a. 0.5 foot below the plane N b. 0.5 foot above the plane N c. 2.5 feet above the plane Y d. 3.5 feet below the plane 15767: Which statement describes the shore between Watch Hill Point and Point Judith?
N a. Low, rocky cliffs with heavily wooded hills inland Y b. Sandy beaches broken by rocky points N c. Sand dunes and beaches with a mud and sand bottom N d. Wooded, barren hills with isolated prominent buildings 15808: At 0005, on 26 January, your position is LAT 41°11.8'N,
LONG 72°20.5'W. From this position, you plot a course to steer to a point one half mile north of Mattituck Breakwater Light "MI" with an engine speed of 9.0 knots. If there are no set and drift, what course should you steer?
N a. 207°psc N b. 213°psc N c. 220°psc Y d. 235°psc 15957: At 1752, your position is LAT 37°04.3'N, LONG 76°06.4'W. On an ebb current you should expect to be set to the __________.
N a. north northeast Y b. south southeast N c. south southwest N d. north northwest 16008: 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 __________.
N a. variation Y b. deviation table is correct for that heading N c. compass error is 17.5°E N d. deviation is 3.5°E for a bearing of 206° per standard magnetic compass 16120: At 0812, you are on course 132°T. The standard magnetic compass reads 135°. What should you conclude?
N a. The deviation table is correct for that heading. N b. You should adjust the magnetic compass. Y c. Your compass may be influenced by a local magnetic disturbance. N d. The deviation is increasing as you go south. 16210: As you near Little Gull Island, you use your loran to insure that you do not come within 0.5 mile of the island. Which of the following loran readings will act as a danger line and keep you off Little Gull Island by a minimum of 0.5 mile?
Y a. Not less than 9960-Y-43953.5 N b. Not more than 9960-W-14735.9 N c. Not less than 9960-W-14735.8 N d. Not more than 9960-X-26149.0 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 16407: At 0227, you are on course 087°T at 10 knots. What course per standard magnetic compass should you steer to make good your true course?
N a. 099°psc N b. 102°psc Y c. 105°psc N d. 109°psc 16463: The visibility is about 5 miles. Which statement about Cape Charles Light is TRUE?
N a. The light has been visible since you departed the anchorage. N b. You will not see the light until you are within 5 miles of the light. Y c. The light will become visible about 0400. N d. The light will not be visible until you enter the inbound leg of the traffic separation scheme. 16558: From your position you observe a rotating white and green light to the north. This light is most likely __________.
Y a. at an airport N b. on a naval mine-countermeasures vessel N c. "Block Island North Light" N d. on a vessel engaged in public safety activity