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. 97: The highest point on your towboat is 57 feet above the water, and the Memphis Gage reads +1.3 feet. What is the vertical clearance when you pass under the Memphis Highway Bridge in Memphis?
N a. 112.7 feet N b. 55.7 feet Y c. 54.6 feet N d. 51.8 feet 97: The highest point on your towboat is 57 feet above the water, and the Memphis Gage reads +1.3 feet. What is the vertical clearance when you pass under the Memphis Highway Bridge in Memphis?
N a. 112.7 feet N b. 55.7 feet Y c. 54.6 feet N d. 51.8 feet 142: As you approach West Memphis Lt. (mile 727.4 AHP) you notice on the map a dashed line crossing the river. This line indicates a __________.
N a. submerged oil pipeline N b. submerged gas pipeline N c. aerial tramway Y d. aerial power line 165: Which company does NOT have a marine facility along the river bank in Helena (mile 661 to 665 AHP)?
Y a. Helena Grain, Inc. N b. Helena Bridge Terminal, Inc. N c. Quincy Soybean Co. N d. Texas Eastern Pipeline Co. 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 342: If the visibility is 11 miles, what is the earliest time you can expect to see New Haven Light?
N a. The light is visible at 0352. Y b. 0443 N c. 0414 N d. You will not sight the light. 360: If you are making 8.3 knots over the ground, what is your ETA at the first turning point in York Spit Channel between buoys "29" and "30"?
Y a. 0522 N b. 0508 N c. 0456 N d. 0448 448: At 2100, you set course of 000°T, speed 10 knots from LAT 41°07.0'N, LONG 71°30.0'W. Visibility is 5.5 n.m. What is the earliest time you can expect to sight Point Judith Light? (Use charted range of 20 miles as nominal range.)
N a. The light is visible at 2100. N b. 2106 Y c. 2111 N d. 2123 507: 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. 118° N b. 120° Y c. 129° N d. 132° 529: You depart LAT 51°48.0'S, LONG 178°35.0'W and steam 179 miles on course 270°. What is the longitude of arrival?
N a. 173°47'W N b. 174°27'E Y c. 176°36'E N d. 179°52'W 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 562: At 0700, Falkner Island Light bears 023°pgc, and the range to the south tip of Falkner Island is 7.1 miles. What was the course made good since 0615?
N a. 087°T N b. 084°T Y c. 081°T N d. 078°T 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 706: The solid lines extending into the channel at mile 948 AHP are __________.
N a. revetments Y b. dikes N c. spoil areas N d. Westvaco Service Facilities 825: On 15 August , an ex-meridian altitude of the Sun's lower limb at upper transit was observed at 1130 ZT. Your DR position is LAT 26°24.0'S, LONG 155°02.0'E, and your sextant altitude (hs) is 48°45.9'. The index error is 2.6' on the arc, and your height of eye is 51.5 feet. The chronometer time of the observation is 01h 27m 38s, and the chronometer error is 02m 14s slow. Find the latitude at meridian transit from the ex-meridian observation.
N a. LAT 26°32.6'S Y b. LAT 26°51.6'S N c. LAT 26°57.0'S N d. LAT 27°09.9'S 1021: On 30 March , your 0145 DR position is LAT 29°30'S, LONG 122°45'E. You are on course 055°T at a speed of 22 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix.
N a. LAT 28°24.6'S, LONG 124°21.4'E Y b. LAT 28°39.9'S, LONG 124°18.6'E N c. LAT 28°41.5'S, LONG 124°41.5'E N d. LAT 29°20.1'S, LONG 123°41.0'E 1164: At 2350 on 23 June, you are at mile 610.5 AHP when you see about a mile ahead lights on the water near the left bank. What might you see when you come abreast of these lights?
N a. Privately maintained buoys at a yacht club N b. Government buoys marking the Hurricane Point dikes Y c. Barges moored at the Dennis Landing Terminal N d. A pipeline discharging dredge spoil 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 1344: At 2142, on January 3, you pass Sebastapol Light (mile 283.3 AHP). At 0137, January 4, you pass Fort Adams Light(mile 311.4 AHP). You have been turning for 9.0 mph. What was the current?
N a. 4.2 mph N b. 3.3 mph N c. 2.7 mph Y d. 1.8 mph 1666: On 23 October , your vessel's 1722 zone time DR position is LAT 27°36'S, LONG 96°16'W, when an amplitude of the Sun is observed. The Sun's lower limb is about 20 minutes of arc above the visible horizon and bears 246° per standard compass. Variation in the area is 14.0°E. The chronometer reads 11h 24m 19s and is 01m 43s fast. What is the deviation of the standard compass?
N a. 2.3°E N b. 2.7°E N c. 2.7°W Y d. 3.1°W 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 1674: On 4 July , your vessel's 1722 zone time DR position is LAT 34°30'S, LONG 174°48'E, when an amplitude of the Sun is observed. The sun's center is on the visible horizon and bears 282° per standard magnetic compass. Variation in the area is 17.2°E. The chronometer reads 05h 21m 48s and is 02m 01s fast. What is the deviation of the compass?
Y a. 1.5°W N b. 2.0°W N c. 1.5°E N d. 2.0°E 1675: On 28 November , your vessel's 0652 DR position is LAT 37°30'N, LONG 124°12'W, when an amplitude of the Sun is observed. The Sun's center is on the visible horizon and bears 103° per standard magnetic compass. Variation in the area is 16.3°E. The chronometer reads 02h 54m 18s and is 02m 06s fast. What is the deviation of the compass?
Y a. 2.5°W N b. 3.0°W N c. 2.0°E N d. 3.0°E 1767: What is the vertical clearance of the Natchez-Vidalia Highway Bridge when the Natchez-Vidalia Highway Bridge Gage reads 23.4 feet?
Y a. 102.6 ft N b. 108.3 ft N c. 119.5 ft N d. 125.6 ft 1771: You are turning for 7.8 mph and estimate the current at 1.0 mph. What is your speed over the ground?
N a. 6.8 mph N b. 7.8 mph Y c. 8.8 mph N d. 9.8 mph 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 1854: On 22 July , your 1759 ZT DR position is LAT 24°50.2'S, LONG 05°16.0'E. You observe an unidentified star bearing 231°T, at an observed altitude (Ho) of 26°10.0'. The chronometer reads 06h 01m 31s and is 02m 15s fast. What star did you observe?
N a. Acamar N b. Capella N c. Miaplacidus Y d. Suhail 1857: On 22 May , your 0437 ZT DR position is LAT 25°18.5'N, LONG 51°18.0'W. You observe an unidentified star bearing 097°T at an observed altitude (Ho) of 48°20.0'. The chronometer reads 07h 40m 40s and is 03m 24s fast. What star did you observe?
Y a. Markab N b. Diphda N c. Sabik N d. Hamal 2011: On 3 February , your 0547 zone time DR position is LAT 24°18.5'N, LONG 167°25.0'E. Considering their magnitude,
azimuth, and altitude, which group includes the three bodies best suited for a fix at star time?
Y a. Regulus, Deneb, Antares N b. Altair, Saturn, Regulus N c. Arcturus, Kochab, Venus N d. Jupiter, Denebola, Regulus 2108: You alter course from your 0045 position to head for a point 0.5 mile north of Mattituck Breakwater Light "MI". If the visibility is 10 miles and you make good 9 knots, at approximately what time will you lose sight of Saybrook Breakwater Light?
N a. You have already lost sight at 0045 Y b. 0055 N c. 0120 N d. The light is visible all the way to Mattituck Inlet 2159: On 25 May , your vessel's 1858 zone time position is LAT 21°05.0'N, LONG 143°27.0'E. At that time a sextant observation of the planet Venus was made. The sextant altitude is 12°53.4' and the chronometer reads 08h 59m 15s. The index error is 4.5' off the arc, and the chronometer error is 01m 25s fast. Your height of eye is determined to be 55.0 feet. What is the azimuth (Zn) of the sight using the assumed position?
N a. 069.6°T N b. 110.4°T N c. 249.6°T Y d. 290.4°T 2705: While on a course of 192°T, a light bears 11° on the starboard bow at a distance of 12.7 miles. What course should you steer to pass 3 miles abeam of the light leaving it to starboard?
N a. 167°T N b. 173°T N c. 185°T Y d. 189°T 2862: Your are on course 317°T at 13 knots. A light is bearing 22.5° relative at 0640. At 0659 the same light is bearing 45° relative. At what time should the light be abeam?
N a. 0709 Y b. 0712 N c. 0718 N d. 0721 2910: Your vessel is steaming on a course of 140°T at 15 knots. At 1530 a lighthouse bears 200°T. At 1550 it bears 249°T. What is your distance from the lighthouse at 1550?
N a. 1.15 miles N b. 4.60 miles N c. 5.45 miles Y d. 5.75 miles 3614: The true course between two points is 057°. Your gyrocompass has an error of 3° east and you make an allowance of 1° leeway for a north-northwest wind. Which gyro course should be steered to make the true course good?
Y a. 053°pgc N b. 056°pgc N c. 059°pgc N d. 060°pgc 10907: What is the time (DST ZD +4) of the AM high tide at York Point, Poquoson River on 8 September 1983?
N a. 0955 Y b. 1048 N c. 1055 N d. 1102 11001: What time will high water occur at Saybrook Jetty on the morning of 29 October 1983?
N a. 0145 N b. 0255 Y c. 0405 N d. 0920 11101: Great Salt Pond on Block Island is __________.
Y a. entered through a dredged cut N b. not accessible in easterly gales N c. available for vessels up to a maximum draft of 8 feet (2.4m) N d. not affected by the tide 12501: You are on course 056° per standard magnetic compass when you take the following bearings: Cape Henry Light 262°psc Cape Charles Light 344°psc Chesapeake Light 125°psc What is your position?
N a. LAT 36°58.4'N, LONG 75°49.1'W N b. LAT 36°58.1'N, LONG 75°50.0'W N c. LAT 36°57.8'N, LONG 75°49.2'W Y d. LAT 36°57.6'N, LONG 75°49.8'W 12707: You are on course 246° per standard magnetic compass when you take the following bearings: Little Gull Island Light 286° Race Rock Light 308° Latimer Reef Light 018°What is your position?
N a. LAT 41°12.6'N, LONG 71°55.7'W N b. LAT 41°12.6'N, LONG 71°56.6'W Y c. LAT 41°12.7'N, LONG 71°56.0'W N d. LAT 41°13.1'N, LONG 71°56.1'W 13003: At 2102 your position is LAT 41°02.9'N, LONG 72°57.4'W. You are making turns for 16 knots. What is your ETA at a position 5 miles due south of Falkner Island Light?
N a. 2149 Y b. 2155 N c. 2159 N d. 2204 13507: Areas enclosed by a long and short dashed magenta line indicate __________.
N a. cable areas N b. dumping grounds Y c. fish trap areas N d. precautionary areas 14403: You are underway and steaming in an easterly direction on the Columbia River. After bringing Fisher Quarry Channel Range in line over your bow, you move to the left outside quarter of the channel. What should your fathometer read at this position, if the staff gauge at Portland reads +12.5 feet?
N a. 7.5 feet Y b. 32.5 feet N c. 41.5 feet N d. 51.5 feet 14700: How many nautical miles are between mile 105 and mile 234 on the Columbia River?
Y a. 112.1 N b. 119.5 N c. 129.0 N d. 148.4 15009: At 1930, your position is LAT 37°16.7'N, LONG 75°37.7'W. The depth of water is approximately __________.
N a. 30 feet ( 9.1 meters) N b. 40 feet (12.1 meters) Y c. 50 feet (15.1 meters) N d. 60 feet (18.1 meters) 15116: According to your track line, how far off New Point Comfort Spit Light "4" will you be when abeam of this light?
Y a. 0.9 mile N b. 1.2 miles N c. 1.5 miles N d. 1.8 miles 15260: From your 0830 position, you wish to make good 097°T. There is no current, but a southerly wind is producing 4°
leeway. What course should you steer per standard magnetic compass in order to make good your true course?
N a. 101°psc N b. 108°psc N c. 110°psc Y d. 115°psc 15358: At 0507, Stratford Shoal Middle Ground Light bears 208°pgc. What is the position of your 0507 running fix?
N a. LAT 41°04.8'N, LONG 73°05.0'W N b. LAT 41°04.9'N, LONG 73°04.8'W Y c. LAT 41°05.1'N, LONG 73°05.1'W N d. LAT 41°05.3'N, LONG 73°04.8'W 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 15611: From your 1815 position, you want to make good a course of 263°T. Your engines are turning RPM's for 12 knots. The current is 050°T at 1.9 knots. Adjusting your course for set and drift, at what time should you expect to enter the red sector of Cape Henry Light?
N a. 1849 N b. 1854 N c. 1859 Y d. 1904 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. 16215: The wind is southerly, and you estimate 3° leeway. Allowing for leeway, what is the course to steer from your 0745 position to pass 1 mile south of Watch Hill Buoy "WH"?
N a. 079°pgc N b. 081°pgc N c. 085°pgc Y d. 087°pgc