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.
152: How long will it take you to go from the Memphis Gage to your destination in New Orleans, LA, if you estimate the average current on this segment of the route to be 2.0 mph and you increase the engine turns to 8.5 mph.
N a. 1 day 20 hours 33 minutes N b. 2 days 6 hours 24 minutes Y c. 2 days 12 hours 15 minutes N d. 3 days 4 hours 11 minutes 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 180: On 4 July you observe the lower limb of the Sun at a sextant altitude (hs) of 25°29.8'. The index error is 3.1' off the arc. The height of eye is 48 feet (14.6 meters). What is the observed altitude (Ho)?
N a. 25°37.1' Y b. 25°40.2' N c. 25°42.8' N d. 25°44.3' 192: At 2100, Cape Charles Light bears 321°pgc, and Cape Henry Light bears 247°pgc. Your latitude is __________.
N a. 37°00.6'N N b. 37°00.0'N N c. 36°59.7'N Y d. 36°59.4'N 276: 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 N b. Bell from 350° relative Y c. Whistle from 075° relative N d. Horn from 330° relative 340: Inbound, the color of Cape Henry Light will __________.
N a. alternate regardless of your position N b. change after you reach Chesapeake Channel Lighted Bell Buoy "2C" N c. remain the same Y d. change before you reach Chesapeake Channel Lighted Bell Buoy "2C" 357: If the visibility is 5 miles and you are in the red sector, at what distance off should you sight Cape Henry Light?
Y a. 09 miles N b. 11 miles N c. 13 miles N d. 15 miles 440: By 1015, visibility has increased to 5.0 miles and you can see Fishers Island. Fishers Island has __________.
Y a. sparsely wooded hills and is fringed with shoals to the south N b. sheer cliffs rising from the sea to a high, flat plateau N c. barren, rocky hills with prominent sandy beaches N d. low and sandy beaches with salt ponds and marsh grass 495: At 0815, visibility is excellent and you can see Montauk Point. Montauk Point is __________.
N a. low and rocky with scattered small pine trees N b. a low lying wetland Y c. a high sandy bluff N d. a flat wooded plain 580: At 1037, you are on course 010°T at 10 knots, when you take the following lset of bearings:
Old Plantation Flats Light bearing 123° pgc
New Point Comfort Light bearing 285.8° pgc
Wolf Trap Light bearing 338° pgc
What is your 1037 position?
N a. LAT 37°15.9'N, LONG 76°07.9'W N b. LAT 37°15.9'N, LONG 76°07.7'W Y c. LAT 37°16.1'N, LONG 76°07.4'W N d. LAT 37°16.3'N, LONG 76°07.2'W 707: What is the width of the widest span of the Cairo Highway Bridge (Upper Mississippi River mile 1.3)?
N a. 503 feet N b. 625 feet Y c. 675 feet N d. 800 feet 983: On 17 January , your 0730 zone time position was LAT 22°26.0'N, LONG 152°17.0'E. Your vessel was steaming on course 136°T at a speed of 17.0 knots. An observation of the Sun's lower limb was made at 1015 ZT. The chronometer read 00h 13m 23s and was slow 01m 49s. The observed altitude (Ho) was 40°25.7'. LAN occurred at 1222 zone time. The observed altitude (Ho) was 47°48.1'. What was the longitude of your 1200 zone time running fix?
N a. LONG 153°04.2'E N b. LONG 153°08.3'E Y c. LONG 153°13.1'E N d. LONG 153°18.6'E 1006: On 30 July , your 1030 ZT DR position is LAT 19°02'N, LONG 138°12'W. You are on course 309°T, speed 24 knots. Determine your 1200 position using the following observations of the Sun.
ZONE TIME GHA DECLINATION Ho
1220 138°25.0' N 18°22.3' 88°43.3'
1226 139°55.0' N 18°22.2' 88°24.0'
N a. LAT 19°28.0'N, LONG 138°35.2'W Y b. LAT 19°29.7'N, LONG 138°42.0'W N c. LAT 19°32.6'N, LONG 138°49.4'W N d. LAT 19°34.5'N, LONG 138°40.9'W 1216: It is 8 March and you are keeping zone time -3. You are on course 104°T, speed 21 knots. Your 0830 DR position is LAT 25°35.0'S, LONG 66°34.0'E. What is the time of the second estimate of LAN by ship's clocks?
Y a. 10h 41m 26s N b. 11h 15m 34s N c. 11h 17m 32s N d. 11h 36m 54s 1307: After entering Milliken Bend (mile 455 AHP) you wish to locate the river service in Madison Parish, Louisiana. The river service is indicated by the square containing which number?
Y a. 5 N b. 4 N c. 3 N d. 2 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 1653: On 28 Sept. , in DR position LAT 24°12.0'S, LONG 85°25.0'E, you observe an amplitude of the Sun. The Sun's center is on the visible horizon and bears 094°psc. The chronometer reads 11h 29m 42s and is 03m 30s slow. Variation in the area is 4°W. What is the deviation of the magnetic compass?
N a. 1.5°W N b. 2.1°W N c. 1.8°E Y d. 2.4°E 1677: On 23 August , at 0604 ZT, in DR position LAT 16°42.3'S, LONG 28°19.3'W, you observed an amplitude of the Sun. The lower limb was a little above the horizon, and the Sun bore 076.0°pgc. At the time of the observation, the helmsman reported that he was heading 143°pgc and 167°
per standard magnetic compass. The variation in the area was 23°W. What were the gyro error and deviation for that heading?
N a. 1°W GE, 2°W DEV N b. 1°E GE, 1°E DEV N c. 2°W GE, 1°E DEV Y d. 2°E GE, 1°E DEV 1690: The locations of locks and dams can be found in the __________.
N a. Army Corps. of Engineers maps Y b. Light List N c. Local Notice to Mariners N d. Channel Report 1727: You pass under the Natchez bridge (mile 363.3 AHP) at 1300, on 27 March, and estimate the current to be 3.3 mph. What is your ETA at St. Louis if you continue to turn for 7.5 mph?
N a. 0617, 4 April Y b. 0316, 4 April N c. 1153, 30 March N d. 1253, 31 April 1775: At 1412 you increase speed to make good 10.2 mph. At 1506 you have a daymark on your port beam. Which daymark is this?
N a. Bessie Daymark Y b. Nolan Light N c. Everetts Light N d. Marr Towhead Light 1781: At 1524 ZT, on 14 June , in DR position LAT 30°51'N, LONG 30° 02'W, you observe an amplitude of the Moon. The center of the Moon is on the visible horizon and bears 103.9°pgc. The variation is 10°W. What is the gyro error?
N a. 1.8°W N b. 2.4°E N c. 2.2°E Y d. 2.0°E 1803: As you approach Shreves cut-off you see Red River Landing Gage (mile 302.4 AHP) which reads 4.2 feet. The Low Water Reference Plane (LWRP) is 10.6 feet. Which of the following statements is TRUE?
N a. This reading is 6.4 feet above the Low Water Reference Plane. N b. A vessel drawing 8 ft would be able to pass over the sill at Old River Lock Y c. This reading is 6.4 feet below the Low Water Reference Plane. N d. A vessel drawing 7 ft. would be able to pass through the locks at Lower Old River. 1852: On 26 November , at 0535 ZT, while taking sights for a morning fix, you observe an unidentified planet bearing 074°T at an observed altitude (Ho) of 38°29.8'. Your DR position is LAT 27°18.9'S, LONG 30°18.4'E. The chronometer time of the sight is 03h 33m 16s, and the chronometer is 01m 48s slow. What planet did you observe?
Y a. Saturn N b. Jupiter N c. Mars N d. Venus 2118: You are northwest of Port Jefferson Harbor steering 242°
per standard magnetic compass. As you continue westward, you see that the Port Jefferson Range Front Light and Rear Light come into line. If the deviation table is correct, the bearing of the range should be __________.
N a. 140°psc N b. 146°psc Y c. 157°psc N d. 160°psc 2167: On 4 July , at 0630 ZT, morning stars were observed, and the vessel's position was determined to be LAT 21°15.0'S, LONG 21°20.0'W. Your vessel is steaming at 13.0 knots on a course of 146°T. A sextant observation of the Sun's lower limb is made at 0915 ZT. The chronometer reads 10h 14m 27s, and the sextant altitude is 25°29.8'. The index error is 3.1' off the arc, and the chronometer error is 0m 53s slow. Your height of eye on the bridge is 48.0 feet. What is the azimuth (Zn) of this sight using the assumed position?
Y a. 049.5°T N b. 052.6°T N c. 054.3°T N d. 058.9°T 2336: You have steamed 916 miles at 13 knots, and consumed 166 tons of fuel. If you have to steam 1325 miles to complete the voyage, how many tons of fuel will be consumed while steaming at 14 knots?
N a. 133 tons N b. 181 tons N c. 207 tons Y d. 278 tons 2442: Anchorage regulations for this area may be obtained from __________.
N a. Office of Commander 2nd Coast Guard District Y b. District Engineer, Corps of Engineers, Norfolk, VA N c. Virginia - Maryland Pilots Association N d. Chesapeake Bay Port Authority, Hampton VA 2585: At 2000 you plot your position as: LAT 41°11'N, LONG 072°35'W. The set and drift is 095°T at 0.8 knot. What course must you steer, and what engine speed must you turn, in order to make good 255°T at 8.5 knots?
Y a. 257°T, 9.3 knots N b. 253°T, 9.3 knots N c. 257°T, 7.7 knots N d. 253°T, 7.7 knots 3085: You must average 16.25 knots to reach port at a designated time. Your propeller has a pitch of 21'08", and you estimate 4% negative slip. How many RPM's must you average to arrive on time?
Y a. 73 RPM N b. 77 RPM N c. 82 RPM N d. 88 RPM 3086: If the pitch of the propeller is 19.7 feet, and the revolutions per day are 86,178, calculate the day's run allowing 3% negative slip.
N a. 279.2 miles Y b. 287.6 miles N c. 311.4 miles N d. 326.2 miles 3092: If the pitch of the propeller is 24.8 feet, and the revolutions per day are 93,373, calculate the day's run allowing 11% positive slip.
N a. 307.3 miles Y b. 339.0 miles N c. 380.9 miles N d. 422.8 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 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 10903: What is the distance from Norfolk to Philadelphia for a deep draft vessel via the Chesapeake Bay and C and D Canal ?
N a. 209 miles Y b. 245 miles N c. 286 miles N d. 302 miles 10909: What will be the average direction of the current in Lynnhaven Roads at 1000 DST (ZD +4) on 23 July 1983?
N a. 305°T N b. 125°T N c. 070°T Y d. Almost slack water 13005: At 1715 your position is LAT 41°00.0'N, LONG 72°40.0'W. You are making turns for 15.5 knots. What is your ETA at a position 1.5 miles due south of Stratford Shoal Middle Ground Light?
N a. 1820 N b. 1824 N c. 1828 Y d. 1832 13104: At 0242 your position is LAT 41°16.8'N, LONG 71°39.9'W. You are turning for 9.3 knots. What is your ETA at the West Gap of Pt. Judith Harbor of Refuge?
N a. 0319 N b. 0325 N c. 0329 Y d. 0336 13308: You are navigating 1 mile north of Cape Henry Lighthouse at the southern entrance to Chesapeake Bay. You observe that this area is bounded on the chart by magenta bands. This indicates a(n) __________.
N a. fish trap area N b. explosive anchorage Y c. pilotage area N d. danger zone 15144: At 2310 Buoy "MP" bears 305° true with a radar range of 2.5 miles. From this position you change course to 005° true. Without any set and drift, what would be your predicted distance off Southwest Ledge Buoy "2" when it is on your starboard beam?
N a. 0.9 mile N b. 1.1 miles Y c. 1.5 miles N d. 1.9 miles 15165: At 2000, your position is LAT 37°04.1'N, LONG 76°05.6'W. You change course for the Eastern Shore. At 2037, Old Plantation Flats Light bears 033°pgc, and York Spit Light bears 282°pgc. The course made good from your 2000 position was __________.
Y a. 006°T N b. 014°T N c. 020°T N d. 028°T 15220: If the Old Point Comfort main light was inoperative what emergency light would be shown?
N a. Flashing yellow N b. Alternating red and white Y c. Light of reduced intensity N d. Strobe light 15310: Which chart could you use for greater detail of the area at the south end of York Spit Channel?
Y a. 12222 N b. 12224 N c. 12226 N d. 12254 15315: At 1810, you obtain the following radar reading:
Cape Henry Light bearing 252.5° true @4.0 nm
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 N c. LAT 36°54.9'N, LONG 75°53.8'W Y d. LAT 36°56.8'N, LONG 75°55.6'W 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 15745: Your 2239 position is LAT 41°08.5'N, LONG 71°53.3'W. You change course to 315°T, and you maintain RPM's for 9 knots. At 2329 Little Gull Island Light bears 253°T, Race Rock Light bears 309°T, and Watch Hill Point Light bears 058°T. What were the set and drift of the current you experienced from your 2239 position?
N a. 076°T at 0.75 knot N b. 076°T at 0.90 knot N c. 256°T at 0.75 knot Y d. 256°T at 0.90 knot 16006: You are on course 082°T, and the engines are turning for 8 knots. At 0352, you take the following bearings:
Stratford Point Light 016°pgc
Stratford Shoal (Middle Ground) Light 137°pgc
What is your 0352 position?
N a. LAT 41°05.0'N, LONG 73°08.0'W Y b. LAT 41°05.2'N, LONG 73°07.8'W N c. LAT 41°05.3'N, LONG 73°07.5'W N d. LAT 41°05.4'N, LONG 73°07.7'W 16115: 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. 8.3 knots Y b. 8.8 knots N c. 9.2 knots N d. 9.4 knots 16209: You calculate that the current will be ebbing at the Race at 0700. You should expect to be set in which general direction at the Race?
N a. West N b. North N c. Northeast Y d. East 16311: The broken magenta line which runs parallel to the shore between Roanoke Point and Mattituck Inlet marks a __________.
N a. pipeline Y b. fish trap area N c. demarcation line N d. cable area 16357: The coast between Great Machipongo Inlet and Cape Charles is __________.
N a. composed of high rocky bluffs and wooded uplands N b. marked by prominent isolated barren hills N c. broken by the mouths of several major rivers Y d. low with sandy beaches bordered by marshes 16564: If your height of eye is 45 feet (13.7 meters), what is the approximate geographic range of Block Island North Light?
N a. 7.8 nm N b. 8.9 nm N c. 13.0 nm Y d. 16.7 nm