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.
81: Which company does NOT have a marine facility along the river bank in Helena (mile 658 to 665 AHP)?
N a. Riceland Food Corps.. N b. Helena Marine Services, Inc. Y c. Helena Grain Co. N d. Texas Eastern Pipeline Co. 101: At 1430 on 13 August, you pass Carolina Landing Light (mile 508.8 AHP). What has been the average current since 0230, 13 August if you have been making turns for 8.0 mph?
N a. 8.5 mph N b. 5.7 mph N c. 1.5 mph Y d. 0.5 mph 232: At 0700, Stratford Shoal Middle Ground Light bears 137°pgc. From your radar, you get a bearing of 007°pgc to the south tip of Stratford Point with a range of 4.5 miles. What is your 0700 position?
N a. LAT 41°04.6'N, LONG 73°07.0'W N b. LAT 41°04.6'N, LONG 73°06.6'W N c. LAT 41°04.6'N, LONG 73°07.4'W Y d. LAT 41°04.6'N, LONG 73°07.2'W 390: A vessel at LAT 29°38.0'N, LONG 93°49.0'W, heads for a destination at LAT 24°38.0'N, LONG 82°55.2'W. Determine the true course and distance by Mercator sailing.
N a. 115°T, 637 miles Y b. 117°T, 658 miles N c. 122°T, 648 miles N d. 126°T, 665 miles 491: At 0748, you take the following bearings:
Watch Hill Point Light bearing 020.5° pgc
Race Point Light bearing 267.5° pgc
What is the approximate depth of water at this position?
N a. 104 feet Y b. 130 feet N c. 175 feet N d. 325 feet 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 829: On 8 May , in DR position LAT 30°26.0'N, LONG 46°55.1'W, you take an ex-meridian observation of Dubhe. The chronometer time of the sight is 11h 10m 54s, and the chronometer error is 01m 18s slow. The sextant altitude (hs) is 58°35.0'. The index error is 1.5' on the arc, and your height of eye is 44 feet. What is the latitude at meridian transit?
N a. LAT 30°12.5'N Y b. LAT 30°19.8'N N c. LAT 30°27.6'N N d. LAT 30°35.8'N 978: On 11 November , your 0730 zone time position was LAT 19°58.0'N, LONG 143°54.0'W. Your vessel was steaming on course 084°T at a speed of 15.0 knots. An observation of the Sun's lower limb was made at 0931 ZT. The chronometer read 07h 29m 22s and was slow 02m 22s. The observed altitude (Ho) was 44°17.6'. LAN occurred at 1125 zone time (ZD +10). The observed altitude (Ho) was 52°17.4'. What was the longitude of your 1200 zone time running fix?
N a. 142°34.7'W N b. 142°37.1'W Y c. 142°40.2'W N d. 142°44.2'W 1207: On 10 July , your 0930 zone time DR position is LAT 26°31.0'S, LONG 4°41.0'E. Your vessel is on course 308°T at a speed of 22.0 knots. What is the zone time of local apparent noon (LAN)?
N a. 1144 Y b. 1149 N c. 1153 N d. 1159 1215: It is 9 February and you are keeping zone time -6. You are on course 258°T, speed 19 knots. Your 0840 DR position is LAT 26°21.0'S, LONG 78°39.0'E. What is the time of the second estimate of LAN by ship's clocks?
N a. 12h 05m 21s N b. 12h 37m 12s N c. 13h 13m 40s Y d. 13h 05m 44s 1248: What is the distance in river miles, from the new mouth of the White River to the Petroleum Fuel & Terminal Co. (mile 144.6 AHP)?
Y a. 454 miles N b. 427 miles N c. 384 miles N d. 370 miles 1260: On 16 March , your 0330 ZT DR position is LAT 22°36.0'S, LONG 76°16.0'E. You are on course 098°T at a speed of 16 knots. What will be the ZT of sunrise at your vessel?
N a. 0545 Y b. 0553 N c. 0600 N d. 0608 1261: On 16 February , your 0300 ZT DR position is LAT 28°32.0'S, LONG 176°49.0'E. You are on course 082°T at a speed of 21 knots. What will be the zone time of sunrise at your vessel?
N a. 0534 Y b. 0552 N c. 0631 N d. 0645 1475: On 26 February , your vessel's 1615 ZT DR position is LAT 25°14'S, LONG 57°22'W, when an azimuth of the Sun is observed. The chronometer time of the sight is 8h 13m 19s, and the Sun is bearing 266.0° per standard magnetic compass. The chronometer error is 01m 46s slow, and the variation in the area is 6°E. What is the deviation of the standard compass?
Y a. 1.7°E N b. 3.4°W N c. 7.7°E N d. 13.7°E 1498: On 7 December , your 0350 ZT position is LAT 35°42'N, LONG 17°38'E. You observe Polaris bearing 359.7°pgc. At the time of the observation the helmsman noted that he was heading 016°pgc and 014°psc. The variation is 1°E. What is the deviation for that heading?
Y a. 0.3°E N b. 1.5°E N c. 0.3°W N d. 1.5°W 1661: On 11 May , in DR position LAT 28°13.7'N, LONG 168°36.3'E, you observe an amplitude of the Sun. The Sun's center is on the celestial horizon and bears 283°psc. The chronometer reads 07h 13m 19s and is 02m 56s slow. Variation in the area is 13°E. What is the deviation of the standard magnetic compass?
N a. 5.2°W Y b. 5.6°W N c. 7.4°E N d. 7.8°E 1662: On 5 September , in DR position LAT 23°17.0'S, LONG 154°35.0'E, you observe an amplitude of the Sun. The Sun's center is on the visible horizon and bears 275° per standard magnetic compass. The chronometer reads 07h 49m 26s and is 01m 52s fast. Variation in the area is 3°W. What is the deviation of the standard magnetic compass?
N a. 2.1°E N b. 2.4°W Y c. 5.1°E N d. 5.4°W 2061: As you approach mile 225 AHP, you notice on the map a black broken line crossing the river at mile 224.2 AHP. This line indicates __________.
N a. ferry crossing N b. submarine crossing N c. gas pipelines Y d. power lines 2109: At 0100, you obtain the following bearings:
Rocky Point Lookout Tower 062°T
Horton Point Lighthouse 189°T
What was the speed made good between 0045 and 0100?
Y a. 7.4 knots N b. 8.0 knots N c. 8.7 knots N d. 9.2 knots 2114: 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 Y c. 275.5°psc N d. 280.5°psc 2151: On 16 June , 0612 zone time, morning stars were observed. The vessel's position was LAT 27°23.0'S, LONG 56°22.0'W. The vessel is steaming at 16.0 knots on a course of 212°T. A sextant observation of the Sun's lower limb is made at 0850 zone time. The chronometer reads 00h 53m 19s, and the sextant altitude is 22°58.6'. The index error is 2.0' off the arc, and the chronometer error is 02m 43s fast. Your height of eye is 61.0 feet. What is the azimuth (Zn) of this sight using the assumed position?
Y a. 044.3° N b. 052.6° N c. 136.1° N d. 148.4° 2158: On 26 May , your vessel's 1906 zone time position is LAT 27°16.0'N, LONG 24°37.0'W. At that time, a sextant observation of the planet Jupiter was made. The sextant altitude is 63°27.6', and the chronometer reads 09h 05m 16s. The index error is 5.2' on the arc, and the chronometer error is 01m 25s slow. Your height of eye is determined to be 52.6 feet. What is the (Zn) of this sight using the assumed position?
N a. 011.3°T Y b. 168.7°T N c. 191.3°T N d. 348.7°T 2293: As you pass under the Baton Rouge R.R. and Hwy 190 Bridge C233.9 AHP), you find that the Kinder Morgan Bulk Terminals are indicated by which numbered box?
Y a. 10 N b. 9 N c. 8 N d. 7 2701: You are underway on course 204°T at a speed of 17.3 knots. You sight a light bearing 205°T at a radar range of 4.7 miles at 1222. If you change course at 1228, what is the course to steer to leave the light abeam to port at 1.5 miles?
N a. 223°T N b. 229°T Y c. 236°T N d. 240°T 2897: You are steaming on a course of 327°T at 13 knots. At 0207 you observe a lighthouse bearing 020°T. At 0226 the lighthouse bears 042°T. What is your distance off at the second bearing?
N a. 8.5 miles Y b. 8.9 miles N c. 9.2 miles N d. 9.7 miles 2912: Your vessel is on a course of 079°T at 11 knots. At 0152 a light bears 105.5°T, and at 0209 the light bears 124°T.
At what time and at what distance off will your vessel be when abeam of the light?
N a. 0219, 2.3 miles Y b. 0226, 3.1 miles N c. 0233, 3.9 miles N d. 0242, 4.7 miles 3307: You have steamed 182 miles and consumed 16.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 392 miles?
N a. 28.3 tons Y b. 34.5 tons N c. 49.6 tons N d. 74.2 tons 3751: While proceeding up a channel on course 010° per gyro compass, you notice a pair of range lights in alignment with the masts of your vessel when viewed forward. A check of the chart shows the range to be 009°T and the variation to be 15°W. If the ship's course is 026°psc, what is the deviation for the present heading?
Y a. 2°W N b. 2°E N c. 1°W N d. 1°E 11010: What is the maximum speed permitted in Clinton Harbor?
Y a. 6 mph N b. 8 mph N c. 10 mph N d. 12 mph 11108: The passage between Great Gull Island and Plum Island __________.
N a. is subject to weak and variable tidal currents N b. uncovers at extreme low water Y c. should be avoided N d. shows a whirlpool at maximum ebb current when accompanied by NW gales 11708: Your position is LAT 37°00.9'N, LONG 75°30.0'W. What is the course to steer per magnetic compass to arrive at LAT 36°59.0'N, LONG 75°48.5'W, if you are turning for 7.8 knots the current is 339°T at 1.3 knots, and a northwesterly wind is causing 3° of leeway?
Y a. 265°psc N b. 267°psc N c. 269°psc N d. 271°psc 11803: What is the true course to steer between Falkner Island Light and Horton Point Light, if the set and drift of the current are 041° at 2.4 knots, and a northeasterly wind will cause 4° of leeway? Your engines are making turns for 15 knots.
N a. 116°T N b. 124°T Y c. 134°T N d. 142°T 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 12905: At 0919 you are in Chesapeake Channel between Trestle B and Trestle C of the Chesapeake Bay Bridge and Tunnel. What is your ETA to a point between York Spit Channel Buoys "35" and "36" if you are making 11.3 knots and follow the buoyed channel?
N a. 1025 N b. 1028 N c. 1033 Y d. 1037 13008: Your 2215 position is LAT 41°05.4'N, LONG 72°59.4'W. You are making 15 knots. What is your ETA at Twenty-Eight Foot Shoal Lighted Buoy (LAT 41°09.3'N, LONG 72°30.5'W)?
N a. 2338 Y b. 2343 N c. 2349 N d. 2354 14504: You are proceeding in a westerly direction on the Columbia River. The pool level of the Bonneville reservoir stands at 72 feet above MSL. If the highest point on your vessel is 44 feet above the water, what will be the vertical clearance as you pass under the overhead power cables at mile 173.8?
N a. 43 feet N b. 68 feet N c. 111 feet Y d. 115 feet 14704: At 0800 your vessel is at mile 110 on the Columbia River. Thirty minutes later your vessel is at mile 115. What is your speed in knots?
N a. 4.3 knots N b. 5.7 knots N c. 7.8 knots Y d. 8.7 knots 15060: At 0802, the radar range and bearing to Branford Reef Light are 350°pgc at 0.8 mile, and the north point of Falkner Island are 090°pgc at 6.7 miles. What were the set and drift that you encountered since 0740?
N a. Set 085°T, drift .2 knot Y b. Set 085°T, drift .6 knot N c. Set 265°T, drift .2 knot N d. Set 265°T, drift .6 knot 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 15609: From your 1715 fix, you steer 214°T at 12 knots. At 1800,
you take the following bearings:
Cape Charles Light bearing 296° true
Cape Henry light bearing 242° true
Your 1800 position is __________.
Y a. LAT 37°02.9'N, LONG 75°43.1'W N b. LAT 37°02.9'N, LONG 75°43.9'W N c. LAT 37°03.0'N, LONG 75°43.3'W N d. LAT 37°03.1'N, LONG 75°42.8'W 15799: At 0845, you are on a course of 097°T, and Townshend Ledge Buoy "10A" is close abeam to port. With a westerly current of 1.2 knots, what speed will you have to turn for from your 0845 position in order to arrive abeam of Six Mile Reef Buoy "8C" at 1030?
N a. 8.5 knots N b. 9.7 knots Y c. 10.9 knots N d. 12.1 knots 15830: The black broken-line marking, across the river, that appears at mile 952.1 AHP represents a __________.
Y a. utility crossing N b. railroad N c. submarine crossing N d. revetment 15958: Your 1752 position is __________.
N a. less than 0.2 mile to the west of York Spit Channel N b. less than 0.2 mile to the east of York Spit Channel Y c. more than 0.2 mile to the west of York Spit Channel N d. more than 0.2 mile to the east of York Spit Channel 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 16064: At 2015, your vessel is at the Chesapeake Bay Bridge and Tunnel midway between buoys "13" and "14". If the height of tide is -1 foot (-.3 meter). What is the approximate depth under the keel?
N a. 51 feet (15.5 meters) Y b. 45 feet (13.6 meters) N c. 40 feet (12.1 meters) N d. 35 feet (10.6 meters) 16119: At 0812, you obtain the following radar information:
Cape Henry Light bearing 287° pgc @ 3.85 nm
What is your 0812 position?
N a. LAT 36°53.7'N, LONG 75°56.0'W N b. LAT 36°53.8'N, LONG 75°56.1'W N c. LAT 36°54.5'N, LONG 75°56.2'W Y d. LAT 36°54.6'N, LONG 75°55.8'W 16140: Available information indicates that there is a set and drift in this area of 290°T at 2 knots. Allowing for this set and drift, what course must you steer to make good a true course of 150°, while maintaining an engine speed of 13 knots, from your 1930 position?
N a. 141°T Y b. 145°T N c. 149°T N d. 153°T 16243: At 2207 Cape Charles Light bears 276°T, Chesapeake Light bears 194°T, and Cape Charles Lighted Bell Buoy "14" bears 312°T and is 2.0 miles off. What were the set and drift of the current acting on your vessel from 2129 to 2207?
N a. 258°T at 2.4 knots N b. 258°T at 1.5 knots N c. 078°T at 1.5 knots Y d. 078°T at 2.4 knots 16258: What is the course to steer per standard magnetic compass from the anchorage to point A, if easterly winds are causing 3° of leeway?
N a. 187° Y b. 191° N c. 194° N d. 197° 16261: At 0400 you take the following bearings:
Sand Shoal Inlet South Light bearing 299°pgc
Cape Charles Light bearing 242°pgc
What is your 0400 position?
N a. LAT 37°14.2'N, LONG 75°39.2'W Y b. LAT 37°14.4'N, LONG 75°39.3'W N c. LAT 37°14.4'N, LONG 75°39.0'W N d. LAT 37°14.6'N, LONG 75°39.2'W 16358: What is the distance from the anchorage to point "A"?
N a. 13.9 miles Y b. 15.1 miles N c. 15.9 miles N d. 17.0 miles 16465: At 0600, you are entering the inbound leg of the traffic separation scheme at position LAT 36°59.2'N, LONG 75°47.6'
W. Course is 250°T. At 0605, Cape Henry Light bears 249°
T. At 0610, it bears 248°T. At 0625, it bears 247°T. Based on this, you know you are __________.
N a. meeting a current from dead ahead N b. running with a current from dead ahead Y c. being set to the north N d. being set to the south 16560: From your 1800 position, you steer a course of 355°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?
Y a. 005°T, 1.0 knot N b. 005°T, 0.5 knots N c. 180°T, 0.5 knot N d. 208°T, 1.0 knots 16746: In order to check your compasses, you sight Race Rock Light in line with New London Harbor Light bearing 336° per gyrocompass. The helmsman reports the vessel was heading 275.0°pgc and 290.5° per standard magnetic compass at the time of the observation. Which statement is TRUE?
N a. The gyro error is now 2°E. Y b. The deviation table is correct for that heading. N c. The vessel should be swung to check the deviation table. N d. The compass error is 0.5°W.