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.
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 93: Which light characteristics does Quaker Oats Light (mile 952.6) have?
N a. 1 red flash every four seconds N b. 2 green flashes every 5 seconds N c. 2 red flashes every 4 seconds Y d. 2 red flashes every 5 seconds 99: What is the mile point of the Rosedale Gage?
N a. 598 AHP Y b. 592 AHP N c. 587 AHP N d. 554 AHP 160: How far is it to the Hernando Desoto Bridge in Memphis, TN?
N a. 980.8 miles N b. 736.6 miles Y c. 218.1 miles N d. 202.4 miles 196: What course per standard magnetic compass is (psc) the same as 247°pgc?
Y a. 257°psc N b. 260°psc N c. 262°psc N d. 265°psc 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) 255: From your 0130 position, you change course to adjust for set and drift, and you later obtain the following lbearings:
Mattituck Inlet Light bearing 104.5°true
Falkner Island Light bearing 001°true
What is the latitude and longitude of the fix?
N a. LAT 41°00.8'N, LONG 72°40.8'W N b. LAT 41°01.2'N, LONG 72°40.4'W Y c. LAT 41°02.0'N, LONG 72°39.5'W N d. LAT 41°02.6'N, LONG 72°39.0'W 306: A vessel steams 640 miles on course 047°T from LAT 34°45'N, LONG 140°00'E. What are the latitude and longitude of the point of arrival by mid-latitude sailing?
N a. LAT 41°57'N, LONG 150°02'E Y b. LAT 42°01'N, LONG 149°57'E N c. LAT 42°06'N, LONG 149°53'E N d. LAT 42°09'N, LONG 149°50'E 373: What is your ETA at point "A"?
N a. 0702 N b. 0655 Y c. 0651 N d. 0640 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 459: Determine the great circle distance and initial course from LAT 25°47.0'N, LONG 79°59.5'W to LAT 38°42.0'N, LONG 09°10.5'W.
N a. 3341.0 miles, 063°T N b. 3347.0 miles, 063°T N c. 3427.8 miles, 061°T Y d. 3588.6 miles, 059°T 597: Which daymark will you see as you approach Natchez Beam Lt. (mile 364.8 AHP)?
N a. Red diamond N b. White square N c. Green square Y d. Red triangle 597: Which daymark will you see as you approach Natchez Beam Lt. (mile 364.8 AHP)?
N a. Red diamond N b. White square N c. Green square Y d. Red triangle 1082: On 20 Nov. , your 1030 ZT DR position is LAT 27°16.0'N, LONG 157°18.6'E. You are on course 060°T at a speed of 20 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1200 running fix. NP-0012
N a. LAT 27°16.8'N, LONG 157°30.5'E N b. LAT 27°22.6'N, LONG 157°37.8'E Y c. LAT 27°29.7'N, LONG 157°43.0'E N d. LAT 27°33.4'N, LONG 157°48.2'E 1233: What is the distance from Greenville, MS, to Tiptonville, TN on the Mississippi River System?
N a. 95 miles N b. 136 miles Y c. 341 miles N d. 520 miles 1266: On 1 December , your 1600 ZT DR position is LAT 22°48.0'S, LONG 91°26.0'E. You are on course 327°T at a speed of 16 knots. What will be the zone time of sunset at your vessel?
N a. 1823 Y b. 1827 N c. 1831 N d. 1847 1277: On 22 June , your 0400 zone time DR position is LAT 23°00'N, LONG 81°45'W. You are steaming on course 110°T at a speed of 8.6 knots. What will be the zone time of sunrise at your vessel?
N a. 0537 Y b. 0541 N c. 0545 N d. 0547 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. 1452: On 6 November , your 0752 zone time DR position is LAT 25°11.0'N, LONG 76°07.0'W. At that time, you observe the Sun bearing 119°psc. The chronometer reads 12h 53m 07s, and the chronometer error is 01m 19s fast. The variation is 3°W. What is the deviation of the standard magnetic compass?
N a. 2.2°W N b. 3.8°W N c. 2.8°E Y d. 3.2°E 1663: On 7 April , in DR position LAT 27°42.0'N, LONG 114°03.0'W, you observe an amplitude of the Sun. The Sun's center is on the celestial horizon and bears 076°psc. The chronometer reads 02h 10m 17s and is 01m 52s slow. Variation in the area is 8°E. What is the deviation of the standard magnetic compass?
Y a. 1.8°W N b. 2.3°E N c. 6.2°E N d. 7.8°W 1664: On 10 February in DR position LAT 25°32.0'N, LONG 135°15.0'E, you observe an amplitude of the Sun. The Sun's center is on the celestial horizon and bears 109°psc. The chronometer reads 09h 43m 25s and is 03m 20s fast. Variation in the area is 4.5°W. What is the deviation of the standard magnetic compass?
Y a. 1.6°E N b. 2.9°W N c. 10.5°E N d. 30.5°W 1701: The latest available information on the channel conditions above Baton Rouge that includes the latest buoy information, as well as recommended courses, is found in the __________.
N a. Corps. of Engineers maps N b. Waterways Journal Y c. Local Notice to Mariners N d. Sailing Directions 1740: On what river is Ghent, Kentucky located?
N a. Tennessee N b. Mississippi N c. Missouri Y d. Ohio 1746: The Crooked River empties into which river?
Y a. Missouri N b. Mississippi N c. Tennessee N d. Ohio 2060: The highest point on your towboat is 67 feet above the water, and the Helena Gage reads +22.3 feet. What is the vertical clearance when you pass under the A-span of the Helena Highway Bridge?
Y a. 30.1 feet N b. 49.8 feet N c. 52.4 feet N d. 74.7 feet 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 2243: At 1444 ZT, on 28 July , in DR position LAT 40° 56.8' N, LONG 167° 12.4' E, you observe an amplitude of the Moon. The upper limb of the Moon is on the visible horizon and bears 299.3° psc. The variation is 1° E. What is the deviation?
Y a. 3.1°W N b. 3.1°E N c. 2.1°W N d. 2.1°E 2329: You sighted Trestle "B" in line at 0706 and are steering 108°T. At 0731, Cape Henry Light bears 136°T; Cape Charles Light bears 032.5°T; and Thimble Shoal Tunnel South Light bears 282°T. What was the speed made good between 0706 and 0731?
Y a. 8.3 knots N b. 8.8 knots N c. 9.2 knots N d. 9.4 knots 2341: You have steamed 1175 miles at 19 knots, and consumed 257 tons of fuel. If you have to steam 1341 miles to complete the voyage, how many tons of fuel will be consumed while steaming at 18 knots?
N a. 293 tons Y b. 263 tons N c. 202 tons N d. 172 tons 2884: Your vessel is steering 238°T at 11 knots. At 2304 a light bears 176°T, and at 2323 the same light bears 155°T. What will be your distance off abeam?
N a. 7.5 miles N b. 8.0 miles Y c. 8.5 miles N d. 9.0 miles 2885: Your vessel is steering 194°T at 13 knots. At 0116 a light bears 243°T, and at 0147 the same light bears 267°T. What will be your distance off abeam?
N a. 11.2 miles N b. 11.6 miles Y c. 12.0 miles N d. 12.5 miles 3091: If the pitch of the propeller is 25.1 feet, and the revolutions per day are 91,591, calculate the day's run allowing 7% positive slip.
Y a. 351.6 miles N b. 378.1 miles N c. 390.0 miles N d. 404.6 miles 3281: While steaming at 15.7 knots, your vessel consumes 329 barrels of fuel oil per day. In order to reduce consumption to 267 barrels of fuel oil per day, what is the maximum speed the vessel can turn for?
N a. 12.7 knots N b. 13.5 knots Y c. 14.6 knots N d. 15.5 knots 3469: You are underway on course 315°T at 14 knots. The current is 135°T at 1.9 knots. What is the speed being made good?
Y a. 12.1 knots N b. 13.5 knots N c. 14.0 knots N d. 15.9 knots 3649: The true course between two points is 078°. Your gyrocompass has an error of 2°E. You make an allowance of 3° leeway for a north wind. What gyro course should be steered to make the true course good?
Y a. 073°pgc N b. 075°pgc N c. 077°pgc N d. 079°pgc 10612: You are taking a time tick using the 2000 signal from Kekaha-Kauai, Hawaii (WWVH). You hear a series of 1 second dashes followed by a 9 second silent period, then a long 1.3 second dash. At the beginning of the long dash, your comparing watch reads 08h 00m 08s. When compared to the chronometer, the comparing watch reads 08h 01m 15s, and the chronometer reads 07h 59m 55s. What is the chronometer error?
N a. 0m 08s fast N b. 1m 07s fast Y c. 1m 12s slow N d. 1m 28s slow 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 13708: A note on the chart indicates that currents in excess of how many knots can be expected in the vicinity of the Chesapeake Bay Bridge and Tunnel?
Y a. 3.00 knots N b. 2.20 knots N c. 1.75 knots N d. 1.50 knots 15057: At 0720, you are in the outer channel between buoy "1" and buoy "2" and change course to pass Townshend Ledge Lighted Gong Buoy "10A" abeam to port at 0.1 miles. What is the course to steer per gyro compass if a northerly wind causes 2° of leeway?
N a. 120°pgc N b. 118°pgc N c. 116°pgc Y d. 114°pgc 15109: What is the average velocity of the maximum flood current at the Tail of the Horseshoe?
N a. 0.6 knot Y b. 0.9 knot N c. 1.3 knots N d. 1.6 knots 15139: At what time would you expect to be abeam of Buoy "MP"?
N a. 2240 N b. 2244 Y c. 2248 N d. 2252 15216: Which of the following concerning Thimble Shoal Channel is TRUE?
N a. Only deep-draft passenger ships and large naval vessels may use the main channel. N b. The channel is 14.5 miles in length. Y c. A tow drawing 20 feet is excluded from the main channel. N d. Thimble Shoal Channel is in international waters. 15266: At 1210, you are in position LAT 41°14.3'N, LONG 72°16.5'W. What is the charted depth of water?
N a. 97 feet (29.4 meters) Y b. 108 feet (32.7 meters) N c. 119 feet (36.1 meters) N d. 125 feet (37.9 meters) 15308: From your 0315 position, what time can you expect to reach York Spit Channel Buoys "37" and "38"?
Y a. 0405 N b. 0412 N c. 0417 N d. 0423 15318: You passed Cape Henry Light at 0730 outbound at maximum flood. What approximate current can you expect on entering Chesapeake Channel?
N a. Slack before ebb N b. Slack before flood N c. Ebb current Y d. Flood current 15510: From your 1800 position you steer a course of 350°psc at a speed of 10.0 knots. At 1830, your position is LAT 41°11.7'N, LONG 71°45.8'W. What are the set and drift of the current?
N a. 029°T, 0.7 knot Y b. 029°T, 1.4 knots N c. 209°T, 0.7 knot N d. 209°T, 1.4 knots 15564: What was the current between 0520 and 0600?
N a. 178° at 0.8 knot N b. 178° at 1.2 knot N c. 358° at 0.8 knot Y d. 358° at 1.2 knots 15606: Your 1600 position is LAT 37°22.5'N, LONG 75°32.3'W. The depth of water under the keel is about __________.
Y a. 38 feet (11.5 meters) N b. 45 feet (13.6 meters) N c. 52 feet (15.8 meters) N d. 59 feet (17.3 meters) 15608: At 1630, you reach point A and come right to 204°T. Your engine speed is 12 knots. Your 1715, position is LAT 37°09.8'N, LONG 75°37.4'W. The current was __________.
N a. 067°T at 1.1 knots N b. 246°T at 1.1 knots Y c. 067°T at 1.5 knots N d. 246°T at 1.5 knots 15809: At 0045, you obtain the following bearings:
Rocky Point lookout tower 072°T
Horton Point lighthouse 213°T
What were the set and drift between 0005 and 0045?
N a. 272°true, 0.9 knot N b. 272°true, 1.4 knots N c. 092°true, 0.9 knot Y d. 092°True, 1.4 knots 15963: At 1845, you obtain the following Radar Ranges:
Old Plantation Flats Light @ 7.45nm
New Point Comfort Light @ 7.35nm
Your latitude is __________.
N a. 37°11.4'N Y b. 37°11.2'N N c. 37°10.9'N N d. 37°10.7'N 16417: You are encountering heavy weather. What action should you take based on your 1430 fix?
Y a. Alter course to the right, to pass well clear of Southwest Ledge. N b. Continue on the same course at the same speed. N c. Slow to 8.3 knots to compensate for the current. N d. Continue on the same course but increase speed.