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214: From your 1930 position, you plot a course to pass 0.5 mile due south of Race Rock Light. If your vessel's speed is 10.0 knots, the current's set and drift are 040°T at 1.8 knots, and a north wind produces a 3° leeway, what true course should you steer to make good your desired course?
N a. 300°T N b. 295°T N c. 290°T Y d. 280°T 217: Your 1600 position is LAT 37°22.5'N, LONG 75°32.3'W. The depth of water under the keel is about __________.
N a. 59 feet (17.3 meters) N b. 52 feet (15.8 meters) N c. 45 feet (13.6 meters) Y d. 38 feet (11.5 meters) 256: At 0209, your position is LAT 41°01.8'N, LONG 72°40.8'W. What course should you steer per standard magnetic compass to make good 278° magnetic? (assume no set and drift)
N a. 262.0°psc N b. 265.0°psc N c. 270.5°psc Y d. 275.5°psc 305: A vessel steams 666 miles on course 295°T from LAT 24°24'N, LONG 83°00'W. What are the latitude and longitude of the point of arrival by mid-latitude sailing?
N a. LAT 29°01'N, LONG 94°18'W Y b. LAT 29°06'N, LONG 94°16'W N c. LAT 29°10'N, LONG 94°10'W N d. LAT 29°13'N, LONG 94°06'W 305: A vessel steams 666 miles on course 295°T from LAT 24°24'N, LONG 83°00'W. What are the latitude and longitude of the point of arrival by mid-latitude sailing?
N a. LAT 29°01'N, LONG 94°18'W Y b. LAT 29°06'N, LONG 94°16'W N c. LAT 29°10'N, LONG 94°10'W N d. LAT 29°13'N, LONG 94°06'W 381: At 1540, your position is LAT 37°18.4'N, LONG 76°10.5'W. Which course should you steer per gyrocompass to head for the entrance to Cape Charles City?
Y a. 129°pgc N b. 123°pgc N c. 117°pgc N d. 109°pgc 382: You arrive at Cape Charles City at 1700 and depart at 1800. You are underway in Chesapeake Bay and encounter heavy fog. At 1830, you obtain the following radar information:
Old Plantation Flats Light bearing 041.5° true @ 1.9 nm
What is your 1830 position?
N a. LAT 37°10.3'N, LONG 76°04.5'W N b. LAT 37°10.3'N, LONG 76°06.5'W N c. LAT 37°12.3'N, LONG 76°06.5'W Y d. LAT 37°12.3'N, LONG 76°04.4'W 438: You estimate that you are making 9.3 knots over the ground. At what time will you enter waters governed by the COLREGS?
N a. 0258 N b. 0255 Y c. 0251 N d. 0247 485: Determine the great circle distance and initial course from LAT 08°53.0'N, LONG 79°31.0'W to LAT 33°51.5'S, LONG 151°13.0'E.
N a. 7809 miles, 247.0°T N b. 7763 miles, 247.0°T Y c. 7635 miles, 233.9°T N d. 7618 miles, 230.3°T 540: Determine the distance from LAT 34°18'S, LONG 172°40'E to LAT 34°18'S, LONG 152°38'E, by parallel sailing.
Y a. 993.0 miles N b. 995.2 miles N c. 996.4 miles N d. 998.6 miles 564: Horton Point Light __________.
N a. is 14 feet above sea level N b. has a fixed green light Y c. is shown from a white square tower N d. is synchronized with a radio beacon 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 1096: On 24 October , your 0100 DR position is LAT 27°42'N, LONG 158°35'E. You are on course 085°T at a speed of 12 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0700 running fix. NP-0026
N a. LAT 27°48.8'N, LONG 160°12.5'E N b. LAT 27°52.5'N, LONG 160°18.2'E Y c. LAT 27°56.0'N, LONG 159°47.3'E N d. LAT 27°58.4'N, LONG 159°43.5'E 1123: What is the vertical clearance of the Vicksburg Highway 80 Bridge when the river level is the same as the Low Water Reference Plane?
N a. 128.3 ft N b. 125.6 ft N c. 119.5 ft Y d. 116.3 ft 1131: At 1923, you increase speed to make good 9.2 mph. What is the first Gage you will pass after your speed change?
N a. Cottonwood Point Y b. Caruthersville N c. Fulton N d. New Madrid 1147: You have orders to drop off the empties at the fleeting area at Cairo Point and add five loaded tank barges to your tow. If you are turning for 9 mph and estimate the current at 1.5 mph, what is your ETA at Cairo?
N a. 2210, 22 June N b. 1741, 22 June Y c. 1423, 22 June N d. 1031, 22 June 1180: On 3 May , your 1009 zone time DR position is LAT 30°01.0'N, LONG 123°15.0'W. Your vessel is on course 330°T at a speed of 8.6 knots. What is the zone time of local apparent noon (LAN)?
N a. 1206 N b. 1208 Y c. 1211 N d. 1214 1218: It is 22 February , and you are keeping zone time +12. You are on course 267°T, speed 22 knots. Your 0800 DR position is LAT 28°15.0'N, LONG 179°18.0'W. What is the time of the second estimate of LAN by ship's clocks?
N a. 11h 17m 02s N b. 11h 50m 42s N c. 12h 16m 01s Y d. 12h 18m 00s 1236: Which facility is located on the right descending bank at mile 363.6 AHP?
N a. River Cement Corps.. N b. Bunge Corps.. N c. T.L. James Y d. Vidalia Dock and Storage Co. 1341: What is the distance from the River Cement Co. Dock to the mouth of the Ohio River?
N a. 718.8 miles Y b. 780.8 miles N c. 953.5 miles N d. 981.5 miles 1393: It is 15 July and you are keeping +7 zone time. You are on course 095°, speed 16 knots. Your 0800 DR position is LAT 25°39.4'N, LONG 129°46.2'W. What is the time of the second estimate of LAN by ship's clocks?
N a. 13h 40m 17s Y b. 13h 38m 19s N c. 12h 42m 20s N d. 12h 38m 20s 1415: The highest point on your towboat is 52 feet above the water, and the Helena Gage reads +9.6 feet. What will be the vertical clearance when you pass under the A-span of the Helena Highway Bridge?
N a. 49.8 feet N b. 53.9 feet Y c. 57.8 feet N d. 73.1 feet 1474: On 14 January , your 0746 zone time DR position is LAT 26°37.0'N, LONG 153°19.0'W. At that time, you observe the Sun bearing 123°psc. The chronometer reads 05h 49m 16s, and the chronometer error is 02m 29s fast. The variation is 3°W. What is the deviation of the standard magnetic compass?
Y a. 1.4°W N b. 1.6°E N c. 3.4°E N d. 4.4°W 1643: Which facility is located on the right descending bank at mile 363.6 AHP?
N a. River Cement Corps.. N b. Bunge Corps.. N c. T.L. James Y d. Vidalia Dock and Storage Co. 1689: What daymark will you see as you approach Warnicott Bar Lt. (mile 351.3 AHP)?
N a. Red diamond N b. Red triangle Y c. Green square N d. White square 2089: At your current speed of 18 knots you only have enough fuel remaining to travel 316 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. 10.4 Y b. 11.8 N c. 13.2 N d. 14.6 2319: You complete changing out your tow and get underway enroute Ark City Tank Storage (mile 554.0 AHP) to deliver the tank barges. What is the distance you must travel from Cairo Point Light?
N a. 606.8 miles N b. 554.0 miles Y c. 399.8 miles N d. 202.1 miles 2590: You have maneuvered for traffic and at 2215 you obtain the following radar information:
Middle Ground Light bearing 287° pgc @ 6.65 nm
What course must you steer to arrive at buoy "PJ", passing 0.5 nm off "Mt Misery Shoal"?
N a. 237° psc N b. 257° psc Y c. 261° psc N d. 265° psc 3054: The propeller on a vessel has a diameter of 22.8 feet and a pitch of 19.3 feet. What would be the apparent slip if the vessel cruised 287 miles in a 24 hour day (observed distance) at an average RPM of 67?
N a. -6.3% Y b. +6.3% N c. -24.0% N d. +24.0% 3267: Your vessel arrives in port with sufficient fuel to steam 726 miles at 16 knots. If you are unable to take on bunkers, at what speed must you proceed to reach your next port, 873 miles distant?
Y a. 14.6 knots N b. 15.1 knots N c. 16.3 knots N d. 16.8 knots 3470: You are underway on course 000°Tat 9.5 knots. The current is 082°T at 1.1 knots. What is the speed being made good?
N a. 9.2 knots N b. 9.5 knots Y c. 9.8 knots N d. 10.1 knots 4004: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2°W. The variation is 8°W. Find the deviation on a magnetic compass heading of 166°.
HEADING HEADING HEADING
PSC PGC PSC PGC PSC PGC
358.5° - 354° 122.5° - 114° 239.5° - 234°
030.5° - 024° 152.0° - 144° 269.0° - 264°
061.5° - 054° 181.0° - 174° 298.0° - 294°
092.0° - 084° 210.0° - 204° 327.5° - 324°
N a. 2.0°W Y b. 1.5°W N c. 1.0°W N d. 0.5°W 4011: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2°E. The variation is 8°W. Find the deviation on a magnetic compass heading of 234°.
HEADING HEADING HEADING
PSC PGC PSC PGC PSC PGC
358.5° - 350° 122.5° - 110° 239.5° - 230°
030.5° - 020° 152.0° - 140° 269.0° - 260°
061.5° - 050° 181.0° - 170° 298.0° - 290°
092.0° - 080° 210.0° - 200° 327.5° - 320°
N a. 2.5°W N b. 2.5°E N c. 1.0°W Y d. 0.5°E 10208: Your GPS position is LAT 41°08.5'N, LONG 72°28.8'W. What course must you steer per standard magnetic compass (psc) to leave Cornfield Lighted Whistle Buoy "CF" 0.5 mile abeam to starboard?
N a. 032°psc N b. 048°psc N c. 055°psc Y d. 067°psc 10307: You are 3 miles due east of Montauk Point Light. What is the course per standard magnetic compass to a position 0.5 mile due south of Race Rock Light?
Y a. 324°psc N b. 328°psc N c. 331°psc N d. 339°psc 11305: At 1919 your position is LAT 37°00.0'N, LONG 75°30.0'W. At 2000 your position is LAT 36°59.5'N, LONG 75°37.0'W. What was the speed made good?
N a. 5.6 knots N b. 6.6 knots Y c. 8.2 knots N d. 9.1 knots 11800: What is the course to steer between Port Jefferson Approach buoy "PJ" and New Haven Lighted Buoy "NH"? Your engine speed is 12 knots and you allow for a current of 93°T at 0.8 knot. A NW'ly wind causes 3° leeway.
Y a. 030°T N b. 034°T N c. 037°T N d. 044°T 12300: You are on course 244° per standard magnetic compass when you sight Block Island Southeast Point Light in line with Block Island Aero Beacon bearing 326° per standard magnetic compass. Based on this you __________.
N a. should swing your vessel to check the deviation table N b. know the compass error is 12°W N c. should suspect that there is a local magnetic disturbance Y d. should apply 3°W deviation to any bearing (psc) while on a heading of 244°psc 13305: What are the bottom characteristics of Nautilus Shoal (LAT 37°03'N, LONG 75°56'W)?
N a. Sand and shells N b. Hard sand Y c. Fine gray sand N d. Mud and sand 13700: Local magnetic disturbances of up to how many degrees have been noted from Cape Henry to Currituck Beach Light?
N a. 2 degrees Y b. 6 degrees N c. 11 degrees N d. 17 degrees 13803: NOAA Weather Broadcasts for the New London area may be received by turning your radio to __________.
Y a. 162.550 MHz N b. 162.475 MHz N c. 162.400 MHz N d. 162.350 MHz 15015: At 2100, Cape Charles Light bears 321°pgc, and Cape Henry Light bears 247°pgc. Your latitude is __________.
N a. 37°00.0'N N b. 36°59.7'N Y c. 36°59.4'N N d. 36°59.1'N 15269: New London Harbor is __________.
Y a. limited to vessels drawing less than 36 feet (10.8 meters) N b. closed during the winter season N c. subject to dangerous freshets in the fall N d. difficult to enter at night 15419: The mean high water level at Old Point Comfort is __________.
Y a. 2.6 feet (0.8 meters) N b. 1.2 feet (0.4 meters) N c. 0.0 feet N d. -3.5 feet (-1.1 meters) 15507: What course should you steer by your standard magnetic compass to make good a course of 280°T?
N a. 266°psc N b. 272°psc N c. 290°psc Y d. 294°psc 15614: From your 1920 position, you change course to enter Chesapeake Channel between buoys 9 and 10. What is the course per standard magnetic compass (psc) ?
N a. 286°psc Y b. 283°psc N c. 280°psc N d. 274°psc 15712: At 0910, your DR position is LAT 41°11.9'N, LONG 72°47.8'
W. Your vessel is on course 097°T at 9.5 knots, and the weather is foggy. At 0915, Branford Reef Light is sighted through a break in the fog bearing 318°T. At 0945,
Falkner Island Light is sighted bearing 042°T. What is your 0945 running fix position?
N a. LAT 41°11.1'N, LONG 72°41.2'W N b. LAT 41°11.3'N, LONG 72°41.3'W N c. LAT 41°11.4'N, LONG 72°41.0'W Y d. LAT 41°11.5'N, LONG 72°40.7'W 15861: At 0125, Mattituck Inlet Light bears 203°pgc at 2.1 miles.
What is the approximate depth of the water under the keel?
N a. 46 fathoms (83.6 meters) N b. 44 fathoms (80.0 meters) N c. 43 feet (13.0 meters) Y d. 38 feet (11.5 meters) 16038: At 0820 Old Field Point Light bears 206° per gyrocompass,
and Stratford Shoals Middle Ground Light bears 322° per gyrocompass. The radar range to Middle Ground Light is 1.5 miles. Your 0820 fix gives you a position of __________.
N a. LAT 41°02.6'N, LONG 73°05.2'W Y b. LAT 41°02.5'N, LONG 73°04.9'W N c. LAT 41°02.3'N, LONG 73°05.2'W N d. LAT 41°02.0'N, LONG 73°05.1'W 16220: 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"?
N a. 089°pgc N b. 091°pgc N c. 093°pgc Y d. 096°pgc 16268: As you pass between trestle "B" and trestle "C" of the Chesapeake Bay Bridge - Tunnel, you sight along the trestle "C" when it is in line. The gyro bearing is 048°. What is the gyro error by observation?
N a. 4°E Y b. 1°E N c. 0° N d. 2°W 16613: At 0112, you are on course 124°T and turning for 12.0 knots. What course will you make good if the current is 255°T at 1.2 knots?
N a. 132° Y b. 129° N c. 120° N d. 118°