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.
176: What is your 2118 position?
N a. LAT 36°56.6'N, LONG 76°01.0'W N b. LAT 36°57.0'N, LONG 76°01.5'W Y c. LAT 36°57.4'N, LONG 76°01.9'W N d. LAT 36°58.0'N, LONG 76°02.4'W 191: If you make good 12 knots, what is the ETA at North Chesapeake Channel Entrance Buoy "NCA" (LL #375)?
N a. 2121 N b. 2116 Y c. 2111 N d. 2101 312: A vessel at LAT 07°05'N, LONG 81°45'W is to proceed to LAT 08°40'N, LONG 88°00'W. What are the course and distance by mid-latitude sailing?
N a. 283.1°T, 381.2 miles Y b. 284.3°T, 384.6 miles N c. 285.6°T, 385.0 miles N d. 286.8°T, 387.4 miles 395: A vessel at LAT 45°36.0'N, LONG 11°36.0'W, heads for a destination at LAT 24°16.0'N, LONG 73°52.0'W. Determine the true course and distance by Mercator sailing.
Y a. 247°T, 3299.3 miles N b. 247°T, 3951.6 miles N c. 251°T, 3298.5 miles N d. 251°T, 3951.6 miles 402: A vessel at LAT 38°36'N, LONG 11°36'W, heads for a destination at LAT 24°16'N, LONG 71°52'W. Determine the true course and distance by Mercator sailing.
N a. 236.4°T, 2,916.9 miles N b. 254.4°T, 2,916.9 miles Y c. 254.4°T, 3,203.6 miles N d. 285.6°T, 3,203.6 miles 423: At 0530, your position is LAT 41°12.6'N, LONG 72°08.5'W. What is the color of New London Harbor Light?
N a. Green N b. White Y c. Red N d. Alternating white and green 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 544: From your 0600 position, what is the course per gyrocompass to leave Watch Hill Light abeam to starboard at 2.0 miles if a southerly wind is producing 3° of leeway?
N a. 262°pgc N b. 258°pgc N c. 256°pgc Y d. 252°pgc 572: At 0908, you change course to 010°T. What course should you steer per standard magnetic compass?
N a. 359° Y b. 021° N c. 017° N d. 003° 827: On 16 November , your 1200 ZT DR position is LAT 26°48.0'S, LONG 124°32.0'W. Your vessel is on course 078°T, speed 17.0 knots. You observe an ex-meridian of the Sun's lower limb. The sextant (hs) reads 81°41.3'. The index error is 1.5' off the arc, and your height of eye is 56 feet. The chronometer time of the observation is 08h 15m 32s, and the chronometer is 03m 06s fast. What is your latitude at meridian transit?
Y a. 26°42.6'S N b. 26°47.1'S N c. 26°49.5'S N d. 26°52.3'S 830: On 23 August , in DR position LAT 24°22.0'S, LONG 64°55.3'E, you take an ex-meridian observation of the Moon's upper limb at upper transit. The chronometer time of the sight is 02h 15m 04s, and the chronometer error is 01m 06s fast. The sextant altitude (hs) is 48°03.6'. The index error is 2.0' on the arc, and your height of eye is 60 feet (21.0 meters). What is the latitude at meridian transit?
Y a. 24°20.5'S N b. 24°22.8'S N c. 24°24.8'S N d. 24°49.5'S 998: On 23 May , your 0628 zone time position was LAT 28°18.0'S, LONG 102°42.0'E. Your vessel was steaming on course 040°T at a speed of 20.0 knots. An observation of the Sun's lower limb was made at 0758 ZT. The chronometer read 01h 02m 06s and was fast 04m 04s. The observed altitude (Ho) was 13°16.7'. LAN occurred at 1201 zone time. The observed altitude (Ho) was 42°32.0'. What was the longitude of your 1201 zone time running fix?
N a. 103°57.9'E N b. 104°00.4'E Y c. 104°03.5'E N d. 104°06.3'E 1009: On 22 February , your 0800 zone time position is LAT 24°16'S, LONG 95°37'E. Your vessel is on course 126°T at a speed of 14 knots. An observation of the Sun's lower limb is made at 0945 zone time. The chronometer reads 03h 47m 22s, and the chronometer error is 02m 37s fast. The observed altitude (Ho) is 57°02.1'. LAN occurs at 1148 zone time, and a meridian altitude of the Sun's lower limb is made. The observed meridian altitude (Ho) is 75°22.3'.
Determine the vessel's 1200 zone time position.
N a. LAT 24°49.3'S, LONG 96°24.0'E N b. LAT 24°49.3'S, LONG 96°27.2'E Y c. LAT 24°52.2'S, LONG 96°24.0'E N d. LAT 24°52.2'S, LONG 96°27.2'E 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 1165: Which of the following statements concerning the buoys on the Mississippi River is TRUE?
N a. The position of river buoys can be determined by consulting the latest Light List - Vol. V. N b. A preferred channel mark is a lateral mark indicating a channel junction which must always be passed to starboard. N c. Buoys should be passed as close as possible. Y d. Setting a buoy is the act of placing a buoy on assigned position in the water. 1231: Which 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 N c. Farm Chemical Y d. Baxter Wilson 1234: What is the distance from the Amoco Docks at Baton Rouge, LA, to Pittsburgh, PA?
Y a. 1681.7 miles N b. 1575.3 miles N c. 981.7 miles N d. 727.9 miles 1499: On 16 June , your 0430 zone time DR position is LAT 29°24.0'S, LONG 36°16.0'E. At that time, you observe Vega bearing 341.0°psc. The chronometer reads 02h 32m 06s, and the chronometer error is 01m 54s fast. The variation is 20.5°W. What is the deviation?
N a. 3.2°E N b. 3.2°W Y c. 2.4°W N d. 2.8°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 1742: The highest point on your towboat is 32 feet above the
water, and the Helena Gage reads +6.6 feet. What is the vertical clearance when you pass under the A-span of the Helena Highway Bridge?
Y a. 80.8 feet N b. 73.1 feet N c. 68.0 feet N d. 56.1 feet 1876: On 2 October , your 1845 DR position is LAT 28°09.2'S, LONG 167°48.1'E. You observe a faint star through a hole in the clouds at a sextant altitude (hs) of 11°37.6' bearing 066°T. The index error is 1.3' off the arc, and the height of eye is 42 feet. The chronometer reads 07h 46m 19s and is 0m 51s fast. What star did you observe?
N a. Scheat N b. Ruckbah N c. Caph Y d. Algenib 1952: As you approach Dean Island Light (mile 754.8 AHP), which type of daymark will be observed at the light?
N a. Green triangle Y b. Green diamond N c. Green square N d. Red-and-green banded square 2584: At 1930 you obtain two radar ranges: Hammonasset Point at 4.1 miles and the East side of Falkner Island at 7.6 miles. What is your position?
N a. LAT 41°11.2'N, LONG 072°30.6'W Y b. LAT 41°11.7'N, LONG 072°29.2'W N c. LAT 41°11.8'N, LONG 072°29.6'W N d. LAT 41°11.9'N, LONG 072°29.2'W 2664: You are on course 061°T, at a speed of 12.4 knots. At 0839 you see a rock bearing 059°T at a range of 4.4 miles. If you change course at 0845 to leave the rock abeam to starboard at 1.5 mile, at what time will the rock be abeam?
N a. 0854 Y b. 0859 N c. 0903 N d. 0906 2696: You are underway on course 059°T at a speed of 13.8 knots.
You sight a light bearing 064°T at a radar range of 5.1 miles at 1839. If you change course at 1845, what is the course to steer to leave the light abeam to starboard at 1.0 mile?
N a. 047°T Y b. 050°T N c. 053°T N d. 058°T 2706: While on a course of 216°pgc, a light bears 12° on the port bow at a distance of 11.2 miles. Which course should you steer to pass 2 miles abeam of the light leaving it to port?
N a. 208°pgc N b. 210°pgc N c. 212°pgc Y d. 214°pgc 3629: You desire to make good a true course of 129°. The variation is 7°E, magnetic compass deviation is 4°E, and gyrocompass error is 2°W. An easterly wind produces a 4° leeway. What is the course to steer per standard magnetic compass to make the true course good?
Y a. 114°psc N b. 116°psc N c. 122°psc N d. 126°psc 10600: At 1620 your GPS indicates a position of LAT 41°09.0'N, LONG 72°40.0'W. You are on course 134° per standard magnetic compass at a speed of 10 knots. At 1700 your GPS indicates your position as LAT 41°05.3'N, LONG 72°33.7'W. What were the set and drift?
N a. 067°T at 1.7 knots N b. 078°T at 1.1 knots N c. 243°T at 1.0 knot Y d. 249°T at 1.6 knots 11306: At 1919 your position is LAT 37°00.0'N, LONG 75°30.0'W. At 1950 your position is LAT 36°59.5'N, LONG 75°37.0'W. What is the speed made good?
N a. 5.6 knots N b. 8.2 knots N c. 9.1 knots Y d. 10.9 knots 12308: You sight North Dumpling Island Light in line with Latimer Reef Light (LAT 41°18.2'N, LONG 71°56.0'W) bearing 094° per standard magnetic compass. If your vessel was heading 207° per standard magnetic compass at the time, which of the following is TRUE?
Y a. The deviation table is correct for that heading. N b. The deviation by observation is 3°E. N c. The compass error is 12°W. N d. You should subtract 18° from all bearings of 094°. 12605: You are on course 209° per standard magnetic compass when you take the following bearings: New Haven Light - 331.5°psc Branford Reef Light - 066.5°psc Old Field Point Light - 240.5°psc What is your position?
Y a. LAT 41°10.5'N, LONG 72°52.8'W N b. LAT 41°11.3'N, LONG 72°49.9'W N c. LAT 41°13.6'N, LONG 72°53.0'W N d. LAT 41°14.5'N, LONG 72°48.8'W 12702: You are on course 282° per standard magnetic compass when you take the following bearings: Point Judith Light - 073°psc Block Island North Light - 156°psc Watch Hill Point Light - 293°psc What is your position?
Y a. LAT 41°17.0'N, LONG 71°38.2'W N b. LAT 41°17.1'N, LONG 71°39.1'W N c. LAT 41°17.2'N, LONG 71°38.7'W N d. LAT 41°17.2'N, LONG 71°37.8'W 13004: At 1815 your position is LAT 41°05.5'N, LONG 72°47.3'W. You are making turns for 12.6 knots. What is your ETA at Plum Island Mid Channel Buoy PI (LAT 41°13.3'N, LONG 72°10.8'W)?
N a. 2019 N b. 2028 Y c. 2032 N d. 2038 13102: At 2330 your position is LAT 41°16.9'N, LONG 71°38.2'W. You are turning for 9.3 knots. What is your ETA at the entrance to Great Salt Pond on Block Island?
N a. 2355 Y b. 0005 N c. 0012 N d. 0019 13307: The soundings on the chart are based on the depth of water available at __________.
N a. mean low water Y b. mean lower low water N c. mean high water N d. mean high water springs 13409: You plan to anchor your vessel at LAT 41°00.5'N, LONG 73°02.8'W. What type of bottom should you expect at this position?
N a. Gray sand Y b. Soft mud N c. Hard sand N d. Gray mud 14100: Your vessel is awaiting lockage at Bonneville Lock. The staff gauge on the guide wall reads 18'-06". What is the maximum vessel draft allowed to enter the lock?
N a. 17'-00" Y b. 17'-06" N c. 18'-00" N d. 18'-06" 15615: 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 is __________.
Y a. 359°T N b. 006°T N c. 014°T N d. 020°T 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 15767: Which statement describes the shore between Watch Hill Point and Point Judith?
N a. Low, rocky cliffs with heavily wooded hills inland Y b. Sandy beaches broken by rocky points N c. Sand dunes and beaches with a mud and sand bottom N d. Wooded, barren hills with isolated prominent buildings 15769: At 0900, you take the following radar ranges:
Watch Hill Point 5.4 miles
Block Island Grace Point 8.3 miles
Which statement is TRUE?
N a. You are to the right of the track line. N b. The bottom in the area is sand and gravel. N c. You are inside of the Territorial Sea. Y d. The fix is indeterminate. 15868: Stratford Shoal Middle Ground Light is __________.
N a. 13 foot high N b. a fixed white light N c. shown from a white tower Y d. equipped with a HORN 15913: At 0830, you wish to get the latest weather forecasts for the Falkner Island area. On what frequency would you set your FM radio for this information?
N a. 2181 kHz N b. 156.65 Mhz N c. 156.80 Mhz Y d. 162.40 Mhz 15913: At 0830, you wish to get the latest weather forecasts for the Falkner Island area. On what frequency would you set your FM radio for this information?
N a. 2181 kHz N b. 156.65 Mhz N c. 156.80 Mhz Y d. 162.40 Mhz 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 16265: At 0600, you are on course 241°psc at 6.5 knots. Chesapeake Light bears 153° per standard magnetic compass,
and Cape Henry Light bears 261° per standard magnetic compass. What is the position of your 0600 fix?
N a. LAT 36°59.0'N, LONG 75°47.4'W Y b. LAT 36°59.3'N, LONG 75°47.7'W N c. LAT 36°59.5'N, LONG 75°47.8' N d. LAT 36°59.3'N, LONG 75°48.0' 16317: Which chart would you use for more detailed information on New Haven Harbor?
N a. 12370 Y b. 12371 N c. 12372 N d. 12373 16520: Which chart should you use to enter Great Salt Pond?
N a. 13214 N b. 13205 Y c. 13217 N d. 13207 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 16606: Your position is LAT 40°59.0'N, LONG 73°06.2'W. What is the course per standard magnetic compass to New Haven Harbor Lighted Whistle Buoy "NH"?
N a. 035° N b. 046° N c. 049° Y d. 052°