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.
82: If the Rosedale Gage reads -0.5 feet, what is the water level in relation to the low water reference plane? The low water reference plane (LWRP) for Rosedale, MS. is 3.0 feet.
Y a. 3.5 foot below the plane N b. 2.5 foot above the plane N c. 0.5 feet above the plane N d. 0.5 feet below the plane 84: What is the distance from the Amoco Docks at Baton Rouge, LA, to the mouth of the Ohio River?
N a. 981.5 miles N b. 953.5 miles N c. 727.9 miles Y d. 700.2 miles 103: You are approaching the Old River Control Structure (mile 314.5 AHP). The structure is in operation. Which of the following statements is TRUE?
N a. The maximum speeds permitted when passing the channel are 10 mph downbound and 7.5 mph upbound. N b. Tows must be no more than 110 feet wide when passing the inflow channel. Y c. You should navigate as close to the left descending bank of the Mississippi River as safety permits. N d. Tow length should not exceed 850 feet when passing the inflow channel. 119: What is the length of the trip?
N a. 405.8 miles N b. 553.0 miles Y c. 904.0 miles N d. 1136.8 miles 149: Your engines are turning for 8.2 mph. You estimate the current at 1.5 mph. What is your speed over the ground?
Y a. 9.7 mph N b. 8.8 mph N c. 8.2 mph N d. 6.7 mph 175: At 2118, you obtain the following bearings:
Cape Henry Light - 148°pgc
Cape Charles Light - 033°pgc
Thimble Shoal Light - 291°pgc
From this position, you proceed to Norfolk, VA, a distance of approximately 26.0 miles. To arrive at Norfolk by 0200 the next day, what is the speed to make good from your 2118 position to arrive at this time?
N a. 6.5 knots N b. 6.0 knots Y c. 5.5 knots N d. 5.0 knots 203: At 1800, your position is LAT 41°06.5'N, LONG 71°43.5'W. How would the buoy which bears 030°T from your position at a range of approximately 0.5 mile be painted?
N a. Horizontally banded, red over green Y b. Horizontally banded, green over red N c. Vertically striped, red and green N d. Solid green with red letters "BIS" 314: At 1430, your position is LAT 37°12.8'N, LONG 76°17.7'W. At this time, you come left and steer 045°T. This course will lead you through a channel bordered by yellow buoys. The dashed magenta lines between the buoys mark __________.
N a. York River Entrance Channel Y b. Fish trap areas N c. the piloting channel for Mobjack Bay N d. New Point Comfort shoal area 336: What speed have you made good from 1710 to 1810?
Y a. 6.3 knots N b. 5.5 knots N c. 4.9 knots N d. 4.2 knots 365: You sighted Trestle "A" in line at 0707 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 0707 and 0731?
N a. 9.4 knots N b. 9.2 knots Y c. 8.8 knots N d. 8.3 knots 489: At 0728, Race Rock Light is bearing 282°T at 3.8 miles, and the closest point on Fishers Island is at a radar range of 2.1 miles. What speed have you been making since you changed course at 0705?
N a. 11.4 knots N b. 10.6 knots Y c. 9.9 knots N d. 9.2 knots 538: Determine the distance from LAT 23°24'S, LONG 13°54'E to LAT 23°24'S, LONG 42°48'W. by parallel sailing.
N a. 3119.3 miles Y b. 3122.2 miles N c. 3124.5 miles N d. 3126.6 miles 558: At 0530, you change course to 090°T and increase speed to 8.5 knots. What is the course to steer per gyro compass if northerly winds are causing 2° of leeway?
N a. 094°pgc N b. 092°pgc Y c. 090°pgc N d. 088°pgc 566: Your cargo vessel is berthed near Lamberts Point in Norfolk. You are on a voyage to Baltimore, Maryland. Which larger scale chart should you use to show the area from Lamberts Point to Hampton Roads?
N a. 12224 N b. 12241 Y c. 12245 N d. 12256 624: You are on a voyage from San Diego, CA, to New York, NY. The distance from pilot to pilot is 4860 miles. The speed of advance is 15.0 knots. You estimate 18 hours for bunkering at Colon, and 14 hours for the Panama Canal transit. If you take departure at 0836 hours (ZD +7), 4 July, what is your ETA (ZD +4) at New York?
N a. 0336, 20 July N b. 0036, 19 July N c. 0336, 19 July Y d. 0736, 19 July 685: What company does NOT have a marine facility along the river bank in Madison Parish (mile 457.0 AHP)?
N a. Complex Chemical Co. N b. Delta Southern Railroads Y c. Baxter Wilson Steam N d. Farm Chemical 756: Anchorage regulations for this area may be obtained from __________.
N a. Commanding General, Corps of Engineers, Washington, D.C. Y b. Office of the Commander 5th Coast Guard District N c. Virginia - Maryland Pilots Association N d. Chesapeake Bay Port Authority, Hampton VA 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 1143: Which town is located at mile 663.5 AHP?
N a. Friers Point Y b. Helena N c. St. Francis N d. Rodney 1302: From Baton Rouge to Cairo, what is the maintained minimum channel depth during low water?
Y a. 9 feet N b. 12 feet N c. 15 feet N d. 30 feet 1454: On 4 October , your 0734 zone time DR position is LAT 24°11.0'N, LONG 162°34.0'E. At that time, you observe the Sun bearing 105.5°psc. The chronometer reads 08h 36m 11s, and the chronometer error is 01m 46s fast. The variation is 7°W. What is the deviation of the standard compass?
N a. 1.2°W N b. 1.9°E N c. 5.3°W Y d. 5.8°E 1668: On 20 June , your vessel's 1955 ZT DR position is LAT 52°38.9'N, LONG 03°42.7'E, when an amplitude of the Sun is observed. The Sun's center is on the visible horizon and bears 311° per gyrocompass. Variation in the area is 6°W. At the time of the observation, the helmsman noted that he was heading 352° per gyrocompass and 358° per steering compass. What is the gyro error and deviation for that heading?
N a. 1.3°W GE, 1.3°E DEV N b. 0.0° GE, 0.0° DEV N c. 1.3°W GE, 1.3°W DEV Y d. 1.3°E GE, 1.3°E DEV 1685: As you approach Buckridge Light (mile 412.5 AHP), which type of daymark would you see on the light structure?
N a. Red square N b. Green square N c. Red diamond Y d. Green diamond 1853: On 8 April , while taking observations for an evening fix, you observe an unidentified star bearing 250.7°T at an observed altitude of 51°44.8'. Your DR position at the time of the sight was LAT 22°16.0'N, LONG 157°58.3'W. The chronometer reads 05h 09m 57s and is 01m 23s slow. What star did you observe?
N a. Betelgeuse N b. Aldebaran N c. Alnilam Y d. Bellatrix 2217: 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?
N a. 74.7 feet N b. 52.4 feet N c. 49.8 feet Y d. 30.1 feet 2248: Which company does NOT have a marine facility in Rosedale Harbor (mile 585 AHP)?
Y a. T.L. James N b. Rosedale-Boliver County Port Commission N c. Cives Steel Company N d. Sanders Elevator Corp 2582: From your 1750 GPS position at LAT 41°15.6'N, LONG 072°11.5'W, you plot a course of 255°T at 8.5 kts. At what time would you see Falkner Island Light, if visibility is 10 miles?
N a. 1819 Y b. 1850 N c. 1910 N d. 1917 2700: You are underway on course 163°T at a speed of 15.8 knots.
You sight a buoy bearing 161°T at a radar range of 5.5 miles at 1319. If you change course at 1325, what is the course to steer to leave the buoy abeam to starboard at 1.0 mile?
Y a. 145°T N b. 148°T N c. 151°T N d. 175°T 2900: You are steaming on a course of 167°T at 19.5 knots. At 1837 you observe a lighthouse bearing 224°T. At 1904 the lighthouse bears 268°T. What is your distance off at the second bearing?
N a. 8.8 miles N b. 9.5 miles Y c. 10.4 miles N d. 11.3 miles 3083: The speed necessary to reach port at a designated time is 18.7 knots. The propeller pitch is 24'03", and you estimate 3% positive slip. How many RPM's will the shaft have to turn?
Y a. 81 RPM N b. 87 RPM N c. 98 RPM N d. 104 RPM 3607: You desire to make good 152°T. The magnetic compass deviation is 4°E, the variation is 5°E, and the gyro error is 3°E. A southwesterly wind produces a 4° leeway. Which course would you steer per standard compass to make good the true course?
N a. 137°psc N b. 141°psc N c. 143°psc Y d. 147°psc 3625: Your vessel is steering course 111°psc, variation for the area is 5°E, and deviation is 3°W. The wind is from the northwest, producing a 1° leeway. What true course are you making good?
N a. 108°T N b. 110°T N c. 112°T Y d. 114°T 3647: The true course between two points is 220°. Your gyrocompass has an error of 1°E. You make an allowance of 1° leeway for a north-northwest wind. What gyro course should be steered to make the true course good?
Y a. 220°pgc N b. 221°pgc N c. 222°pgc N d. 223°pgc 6143: At 2027 you obtain a radar range to Shagwong Point of 3.4 miles and a tangent bearing to the east end of Long Island of 172°T. Which statement is TRUE?
Y a. You are to the left of your DR track. N b. You are inside a precautionary area. N c. Your speed made good from 1949 to 2027 is 14.0 knots. N d. Your course made good from 1949 to 2027 is 111°T. 11404: At 2115 your GPS position is LAT 41°03.3'N, LONG 72°37.9'W. At 0027 your position is LAT 41°14.4'N, LONG 72°07.2'W. What was your speed made good?
N a. 7.0 knots N b. 7.5 knots Y c. 8.0 knots N d. 8.5 knots 11705: Your position is LAT 37°00.0'N, LONG 75°30.0'W. What is the course to steer per standard magnetic compass to arrive at LAT 36°59.0'N, LONG 75°48.5'W, if the current is 043°T at 1.3 knots, a south-southeasterly wind is causing 3° of leeway, and you are turning for 8.7 knots?
N a. 260.5°psc N b. 264.0°psc Y c. 268.0°psc N d. 271.5°psc 13406: You are planning to anchor your vessel at LAT 41°01.1'N, LONG 73°02.8'W. What type of bottom should you expect at this position?
N a. Gray sand N b. Soft mud Y c. Gray mud N d. Hard sand 13504: A vessel anchoring in the middle of Cherry Harbor, 1 mile off Gardiner's Island, will find what type of bottom?
N a. Rocky N b. Shells Y c. Mud N d. Silt 13908: Montauk Point Light is 168 feet above what reference level?
N a. Mean low water N b. Mean tide level N c. Ground level Y d. Mean high water 14200: What is the length of the city wharf at The Dalles on the Columbia River?
N a. 20 feet Y b. over 1000 feet N c. 800 feet N d. 600 feet 14604: Contour elevations on this chart refer to heights in feet above mean __________.
N a. lower low water N b. high water N c. low water Y d. sea level 15160: 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"?
N a. 249.0°psc N b. 251.5°psc N c. 255.0°psc Y d. 257.0°psc 15215: At 2015, you alter course to 154°pgc. What is the course per standard magnetic compass (psc)?
Y a. 162°psc N b. 157°psc N c. 152°psc N d. 142°psc 15539: At 2127 you are on course 076°T. What is your ETA at a position where Twenty Eight Foot Shoal Lighted Bell Buoy "TE" is abeam to port?
N a. 2316 N b. 2324 Y c. 2332 N d. 2345 15610: 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)?
N a. 249.0° N b. 251.5° N c. 255.0° Y d. 257.0° 15770: 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 northerly winds and estimating the current as 035° at 0.3 knot, what is the course to steer (pgc) to point "B"?
N a. 084°pgc Y b. 086°pgc N c. 091°pgc N d. 094°pgc 15942: At 1959 Watch Hill Point Light bears 030°T, Montauk Point Light bears 146°T, and Little Gull Light bears 283°T. What is the approximate fathometer reading?
Y a. 51 feet N b. 73 feet N c. 95 feet N d. 111 feet 15960: From your 1752 position, you steer 313°pgc at 9 knots. At 1805, you obtain the following visual bearings:
Old Pt. Comfort Light - 238°pgc.
Chesapeake Bay Tunnel North Light - 136°pgc.
What are the latitude and longitude of your 1805 position?
Y a. LAT 37°05.9'N, LONG 76°08.0'W N b. LAT 37°06.0'N, LONG 76°08.4'W N c. LAT 37°05.0'N, LONG 76°08.7'W N d. LAT 37°06.1'N, LONG 76°08.1'W 16015: By 0430, the wind has increased, and the visibility cleared due to passage of a front. You estimate 3° leeway due to NW'ly winds. What is the course per gyrocompass to pass 1.2 miles due south of Twenty-eight Foot Shoal Lighted Buoy "TE"?
Y a. 080° N b. 083° N c. 086° N d. 090° 16456: What is the course per standard magnetic compass from the anchorage to point A located 0.5 mile east of Cape Charles Lighted Bell Buoy 14?
Y a. 194°psc N b. 190°psc N c. 187°psc N d. 180°psc 16643: At 0520 your position is LAT 41°07.2'N, LONG 71°41.6'W. You set course to leave Race Rock Light abeam to starboard at 0.5 mile. What is the course to steer per standard magnetic compass? (Assume no current)
N a. 301.5° N b. 305.0° Y c. 307.5° N d. 309.0° 16745: At 0100 Race Rock Light bears 001° relative, and at 0110 it bears 000° relative. Based on this you know you __________.
Y a. are being set to the right of the track N b. are making good more than 9.2 knots N c. are making good less than 9.2 knots N d. have an unknown gyro error 16840: Visibility is exceptionally clear. At approximately what distance did Chesapeake Light become visible?
N a. 19.2 miles Y b. 21.0 miles N c. 22.7 miles N d. 24.0 miles 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 :
N a. N b. N c. N d.