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 151: What is the distance from the Memphis Gage to the Redneb Services Dock in New Orleans, LA.
N a. 460 miles N b. 503 miles N c. 588 miles Y d. 633 miles 165: Which company does NOT have a marine facility along the river bank in Helena (mile 661 to 665 AHP)?
Y a. Helena Grain, Inc. N b. Helena Bridge Terminal, Inc. N c. Quincy Soybean Co. N d. Texas Eastern Pipeline Co. 207: If your height of eye is 35 feet (10.7 meters), what is the approximate geographic range of Block Island North Light?
N a. 7.4 nm N b. 13.0 nm Y c. 15.8 nm N d. 17.5 nm 333: From your noon position, if there is no set and drift, what is your course per standard magnetic compass to the "NCA" (LL #375) buoy?
N a. 221°psc N b. 219°psc Y c. 217°psc N d. 215°psc 355: Orient Point Light will break the horizon at a range of about __________.
N a. 9.3 miles N b. 10.8 miles N c. 12.1 miles Y d. 13.9 miles 420: 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 southerly winds and estimating the current as 035° at 0.3 knot, what is the course to steer (pgc) to point "B"?
Y a. 096°pgc N b. 094°pgc N c. 091°pgc N d. 089°pgc 421: At 0345, you set a course to depart New London Harbor. Assuming no set and drift, which standard magnetic compass course must you steer to stay in the middle of the channel?
N a. 192°psc N b. 190°psc Y c. 187°psc N d. 175°psc 430: At 0820, you change course to 301°psc and reduce speed to 7.5 knots. At 0900, you take the following visual bearings:
Branford Reef Light 023°psc
New Haven Light 293°psc
Tweed Airport Aerobeacon 332°psc
Your 0900 position is __________.
N a. LAT 41°11.9'N, LONG 72°50.6'W Y b. LAT 41°12.1'N, LONG 72°48.6'W N c. LAT 41°12.3'N, LONG 72°47.7'W N d. LAT 41°12.5'N, LONG 72°44.3'W 573: Visibility has decreased to 1 mile in haze. At 0948, you take the following radar ranges. What course should you steer from this fix to the York Spit channel between buoys "19" and "20"?
Thimble Shoal Light - 5.9 miles South end of trestle C of the Chesapeake Bay Bridge and Tunnel - 3.8 miles South end of trestle B of the Chesapeake Bay Bridge and Tunnel - 5.4 miles
Y a. 010°pgc N b. 008°pgc N c. 004°pgc N d. 001°pgc 614: Your vessel departs Arkhangel'sk, from position LAT 64°32'N, LONG 40°31'E at 0236 zone time, on 19 August. It is bound for New York, at position LAT 40°42'N, LONG 74°01'W. The distance is determined to be 4,216 miles, and you estimate that you will average 13.0 knots. What is your estimated zone time of arrival?
N a. 1155, 31 August N b. 1755, 31 August Y c. 0655, 1 September N d. 1155, 1 September 806: On 15 November , your 0913 zone time fix gives you a position of LAT 22°30.0'N, LONG 68°28.0'W. Your vessel is on course 164°T, and your speed is 13.5 knots. Local apparent noon (LAN) occurs at 1118 zone time at which time meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 49°46.0'. What is the calculated latitude at LAN?
N a. 21°36.1'N N b. 21°37.7'N Y c. 21°39.3'N N d. 21°40.9'N 1102: On 19 November , your 0200 zone time DR position is LAT 18°41'N, LONG 150°37'E. You are on course 014°T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix. NP-0031
Y a. LAT 19°45.4'N, LONG 150°52.6'E N b. LAT 19°42.8'N, LONG 150°56.9'E N c. LAT 19°41.2'N, LONG 150°46.3'E N d. LAT 19°39.3'N, LONG 150°51.8'E 1141: Which daymark will you see as you approach Natchez Beam Lt. (mile 364.8 AHP)?
Y a. Red triangle N b. White square N c. Green square N d. Red diamond 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 1292: Which of the following statements regarding buoys on the Mississippi River is TRUE?
N a. Buoy positions on the chart are exact. Y b. Buoys should be given as wide a berth as possible in passing. N c. The buoys are maintained on station year round. N d. The buoys do not shift positions due to permanent moorings. 1778: At 2234 ZT, on 14 July , in DR position LAT 34°03'N, LONG 150°16'W you observe an amplitude of Saturn. The planet is about one Sun's diameter above the visible horizon and bears 272.1°pgc. The variation is 14°E. What is the gyro error?
N a. 0.5°W N b. 0.5°E Y c. 1.5°W N d. 2.5°E 1884: On 26 November , your 0535 DR position is LAT 27°18.9'S, LONG 30°18.4'E. You observe an unidentified planet bearing 085°T at an observed altitude (Ho) of 32°15.2'. The chronometer reads 03h 33m 16s, and is 01m 48s slow. What planet did you observe?
N a. Saturn Y b. Jupiter N c. Mars N d. Venus 2051: On which map would you find Redman Point, Arkansas?
N a. 23 Y b. 20 N c. 17 N d. 5 2076: 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 2087: At your current speed of 21 knots you only have enough fuel remaining to travel 404 miles. You must travel 731 miles to reach your destination. What should you reduce your speed (knots) to in order to reach your destination?
N a. 18.9 N b. 17.8 N c. 16.7 Y d. 15.6 2180: On 12 April , at 0515 ZT, morning stars were observed, and the vessel's position was determined to be LAT 21°05'S, LONG 16°30'W. Your vessel is steaming at 19 knots on a course of 278°T. A sextant observation of the Sun's lower limb is made at 0930 ZT. The chronometer reads 10h 28m 25s, and the sextant altitude (hs) is 40°15.9'. The index error is 2.5' off the arc, and the chronometer error is 2m 15s slow. Your height of eye on the bridge is 57 feet. What are the intercept (a) and azimuth (Zn) from the assumed position of this sight?
N a. Zn 057.7°, a 15.4' T Y b. Zn 057.0°, a 17.7' A N c. Zn 122.3°, a 17.7' A N d. Zn 123.0°, a 22.7' A 2216: If your vessel is making turns for 7.5 mph with an estimated average current of 1.5 mph, what is your ETA at the dock in Angelina, LA?
N a. 0516, 28 Dec Y b. 1621, 28 Dec N c. 0516, 29 Dec N d. 1621, 29 Dec 2272: As you approach Buckridge Light (mile 412.5 AHP), which type of daymark would you see on the light structure?
N a. Red diamond N b. Red triangle N c. Green diamond Y d. Green square 2784: You pass Ratcliff Light (mile 289.8) at 1650. What was your average speed since leaving Baton Rouge?
N a. 7.3 mph Y b. 7.6 mph N c. 8.0 mph N d. 8.3 mph 2901: You are steaming on a course of 198°T at 18.5 knots. At 0316 you observe a lighthouse bearing 235°T. At 0348 the lighthouse bears 259°T. What is your distance off at the second bearing?
Y a. 14.8 miles N b. 15.3 miles N c. 15.8 miles N d. 16.3 miles 2902: You are steaming on a course of 058°T at 11.5 knots. At 0209 you observe a lighthouse bearing 129°T. At 0252 the lighthouse bears 173°T. What is your distance off at the second bearing?
N a. 9.4 miles N b. 10.7 miles Y c. 11.2 miles N d. 12.8 miles 3284: While steaming at 18.9 knots, your vessel consumes 386 barrels of fuel oil per day. In order to reduce consumption to 251 barrels of fuel oil per day, what is the maximum speed the vessel can turn for?
N a. 11.6 knots N b. 12.3 knots N c. 15.2 knots Y d. 16.4 knots 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 3294: Your vessel consumes 268 barrels of fuel per day at a speed of 19.0 knots. What will be the fuel consumption of your vessel at 15.0 knots?
Y a. 132 bbls N b. 167 bbls N c. 212 bbls N d. 243 bbls 3612: Your vessel is steering 195° per standard magnetic compass. Variation for the area is 13°W, and the deviation is 4°E. The wind is from the west-southwest, producing a 2° leeway. Which true course are you making good?
N a. 178°T N b. 180°T N c. 182°T Y d. 184°T 3650: The true course between two points is 194°. Your gyrocompass has an error of 2°W and you make an allowance of 1° leeway for a southwest wind. What gyro course should you steer to make the true course good?
N a. 193°pgc N b. 195°pgc Y c. 197°pgc N d. 199°pgc 12310: You sight North Dumpling Island Light in line with Latimer Reef Light (LAT 41°18.2'N, LONG 71°56.0'W) bearing 091° per standard magnetic compass. If your vessel was heading 246° per standard magnetic compass at the time, which of the following is TRUE?
N a. The deviation table is correct. Y b. The compass error is 18°W for that heading. N c. The deviation is equal to the variation. N d. The deviation is equal to but of opposite sign to the variation. 12505: You are on course 056°psc, when you take the following bearings:
New Point Comfort Spit Light "2" 260°psc Horn Harbor Entrance Light "HH" 285°psc Wolf Trap Light 336°psc What is the position of the fix?
Y a. LAT 37°19.3'N, LONG 76°08.5'W N b. LAT 37°19.3'N, LONG 76°08.8'W N c. LAT 37°19.2'N, LONG 76°08.2'W N d. LAT 37°19.2'N, LONG 76°08.7'W 13101: At 1523 your position is LAT 41°08.2'N, LONG 71°34.4'W. You are turning for 8.7 knots. What is your ETA at Shagwong Reef Buoy "7SR"?
N a. 1653 N b. 1700 Y c. 1711 N d. 1718 13508: The bottom approximately three miles to the ESE of Block Island Southeast Point has __________.
Y a. gravel N b. shale N c. stones N d. grit 15013: At 2020, what is the course to steer to enter the inbound lane of North Chesapeake Entrance traffic separation scheme if a northwesterly wind causes 3° of leeway?
N a. 227°pgc N b. 224°pgc Y c. 221°pgc N d. 215°pgc 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 15341: If your fathometer is set on fathoms, what should your fathometer read at 1750?
Y a. 8.5 fathoms N b. 10.2 fathoms N c. 14.7 fathoms N d. 51.0 fathoms 15358: At 0507, Stratford Shoal Middle Ground Light bears 208°pgc. What is the position of your 0507 running fix?
N a. LAT 41°04.8'N, LONG 73°05.0'W N b. LAT 41°04.9'N, LONG 73°04.8'W Y c. LAT 41°05.1'N, LONG 73°05.1'W N d. LAT 41°05.3'N, LONG 73°04.8'W 15626: What type of daymark will you see as you approach Joe Pierce Light (mile 335.4 AHP)?
N a. Private aid - no daymark N b. Red square Y c. Red triangle N d. Red diamond 15627: What is the vertical clearance of the Natchez Highway Bridge (westbound) when the river level is the same as the Low Water Reference Plane (6.1 ft)?
N a. 102.2 ft N b. 108.3 ft Y c. 119.4 ft N d. 125.6 ft 15659: At 0705, you change course to 096°T. At this time, Race Rock Light is bearing 000°T at 0.35 mile. You are now governed by which Navigation Rules?
Y a. COLREGS N b. Local Pilot Rules N c. Inland Rules N d. Coastal Fishery Rules 15824: You pass Red River Gage at 2015 on 16 April and estimate the current will average 3.5 mph for the remainder of the time on the Mississippi River. What is your ETA at the mouth of the Ohio River if you continue to turn for 10 mph?
N a. 1445, 20 April N b. 1830, 20 April Y c. 0028, 21 April N d. 0821, 21 April 15919: 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 Y b. Whistle from 075° relative N c. Bell from 350° relative N d. Horn from 330° relative 16212: What is the course per standard magnetic compass between points "A" and "B"?
N a. 094.5° N b. 095.5° Y c. 098.5° N d. 099.5° 16215: The wind is southerly, and you estimate 3° leeway. Allowing for leeway, what is the course to steer from your 0745 position to pass 1 mile south of Watch Hill Buoy "WH"?
N a. 079°pgc N b. 081°pgc N c. 085°pgc Y d. 087°pgc 16240: The speed that you can expect to make good, while steering to make good your desired course, is __________.
N a. 13.5 knots Y b. 14.3 knots N c. 15.1 knots N d. 15.9 knots 16419: You estimate the current to be 160°T at 1.2 knots. What should your course and speed be in order to make good 000°
T at 10 knots?
Y a. 358°T at 11.1 knots N b. 358°T at 09.8 knots N c. 002°T at 11.2 knots N d. 002°T at 09.9 knots 16442: The area bounded by the buoys "C51" to "C47A" to "M6" to "M14", west of your anchorage, is __________.
N a. a training area for naval small craft N b. restricted to oil and mineral exploration N c. an anchorage for ammunition barges Y d. a fish trap area 16460: 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. If you are making good 6.5 knots, what is the position of your 0320 running fix?
N a. LAT 37°17.95'N, LONG 75°39.95'W N b. LAT 37°18.00'N, LONG 75°39.75'W N c. LAT 37°18.10'N, LONG 75°39.30'W Y d. LAT 37°18.10'N, LONG 75°39.55'W