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.
33: What is the total length of the trip?
Y a. 873.7 miles N b. 900.7 miles N c. 901.4 miles N d. 910.6 miles 212: If you were to head into Fishers Island Sound, which of the following charts would you switch to for better detail of Mystic and Mystic Harbor?
N a. 13209 N b. 13212 Y c. 13214 N d. 13215 224: Which statement concerning your 1920 position is TRUE?
N a. You are governed by the Inland Rules of the Road. Y b. You are entering a restricted area. N c. You are within the Chesapeake Bay Entrance traffic separation scheme. N d. You can expect differences of as much as 6° from the normal magnetic variation of the area. 337: If you make good a speed of 6.0 knots from your 1810 position, what is your ETA at Chesapeake Channel Lighted Bell Buoy "2C"?
N a. 1900 N b. 1855 N c. 1845 Y d. 1833 370: At 0812, you are on course 132°T. The standard magnetic compass reads 135°. What should you conclude?
N a. The deviation table is correct for that heading. N b. You should adjust the magnetic compass. N c. The deviation is increasing as you go south. Y d. Your compass may be influenced by a local magnetic disturbance. 377: You depart LAT 22°35.0'N, LONG 157°30.0'W, and steam 4505.0 miles on course 135°T. What are the latitude and longitude of your arrival by Mercator sailing?
Y a. 30°30.5'S, 102°35.3'W N b. 30°30.5'S, 104°30.0'W N c. 32°20.0'S, 102°35.3'W N d. 32°20.0'S, 104°30.0'W 403: You receive a distress call from a vessel reporting her position as LAT 30°21'N, LONG 88°34'W. Your position is LAT 24°30'N, LONG 83°00'W. Determine the true course and distance to the distress scene by Mercator sailing.
N a. 317°T, 470 miles Y b. 320°T, 460 miles N c. 322°T, 455 miles N d. 324°T, 460 miles 420: 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"?
Y a. 096°pgc N b. 094°pgc N c. 091°pgc N d. 089°pgc 574: If you are making 10 knots, what is your ETA at York Spit Channel Buoys "19" and "20"?
N a. 0959 N b. 1002 N c. 1004 Y d. 1006 738: On 24 September , your 1841 zone time DR position is LAT 25°15.0'N, LONG 129°34.5'E. At that time you observe Polaris with a sextant altitude (hs) of 25°20.8'. The chronometer time of the sight is 09h 38m 12s, and the chronometer error is 03m 12s slow. The index error is 4.3' off the arc, and the height of eye is 52.0 feet. What is your latitude by Polaris?
N a. 24°28.4'N N b. 25°16.0'N Y c. 25°37.6'N N d. 25°42.3'N 1098: On 19 September , your 0300 zone time DR position is LAT 24°35'N, LONG 88°40'W. You are on course 288°T at a speed of 14 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix. NP-0028
N a. LAT 24°47.4'N, LONG 89°15.0'W Y b. LAT 24°52.5'N, LONG 89°22.4'W N c. LAT 24°59.5'N, LONG 89°28.6'W N d. LAT 25°06.0'N, LONG 90°37.0'W 1177: On 2 April , your 0900 zone time DR position is LAT 28°04.0'S, LONG 94°14.0'E. Your vessel is on course 316°T at a speed of 18.5 knots. What is the zone time of local apparent noon (LAN)?
N a. 1138 N b. 1143 N c. 1146 Y d. 1149 1188: On 9 February , your 0830 zone time DR position is LAT 22°19.0'N, LONG 64°37.0'E. Your vessel is on course 128°
T at a speed of 19.0 knots. What is the zone time of local apparent noon (LAN)?
Y a. 1152 N b. 1156 N c. 1201 N d. 1205 1249: What is the white/black within a circle symbol found at mile 592.1 AHP?
N a. Terrence Landing Light N b. Daymark Y c. River Gage N d. Information Board 1300: You estimate the current as 2.5 mph. What is the speed over the ground?
N a. 11.0 mph N b. 8.0 mph Y c. 6.0 mph N d. 5.5 mph 1420: What company does NOT have a marine facility along the river bank in Helena (mile 661 to 665 AHP)?
N a. Helena Port Terminal, Inc. Y b. Riceland Food Corps.. N c. Quincy Soybean Co. N d. Texas Eastern Pipeline Co. 1483: On 31 May , your vessel's 1420 zone time DR position is LAT 29°06'N, LONG 120°06'W, when an azimuth of the Sun is observed. The bearing of the Sun per standard magnetic compass was 255.3°. The chronometer time of the observation is 10h 17m 24s. The chronometer error is 02m 32s slow. The variation for this area is 12.9°E. What is the deviation of the standard magnetic compass?
Y a. 2.5°W N b. 2.9°W N c. 2.9°E N d. 3.2°E 1720: As you approach mile 427.6 AHP, you see on the right side a white buoy with orange bands and open face diamond. This buoy shows __________.
N a. safe water N b. preferred channel Y c. danger N d. special marks 1749: Which light characteristics does Black Hawk Light (mile 318.3 AHP) have?
N a. 1 red flash every 4 seconds N b. 1 green flash every 4 seconds Y c. 1 white flash every 4 seconds N d. 2 white flashes every 5 seconds 2014: On 16 October , evening twilight will occur at 1746 ZT, and your DR position will be LAT 28°43.2'N, LONG 60°29.8' W. Considering their magnitude and location, which of the following are the three best stars to select for a fix at star time?
Y a. Antares, Arcturus, Polaris N b. Deneb, Polaris, Vega N c. Antares, Deneb, Vega N d. Vega, Polaris, Enif 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 2204: The Clinch River empties into which river?
N a. Arkansas N b. Mississippi N c. Ohio Y d. Tennessee 2211: Your engine speed is 9.8 mph and you estimate the current at 1.6 mph. What is your speed over the ground?
N a. 11.0 mph N b. 9.8 mph N c. 8.6 mph Y d. 8.2 mph 2326: The Coast Guard announces that Chesapeake Channel is closed indefinitely due to a collision in the channel between Trestle "B" and "C" of the Chesapeake Bay Bridge and Tunnel. You exit York Spit Channel, leaving buoy "22"
close abeam to port at 0.1 mile, and alter course to leave Horseshoe Crossing Lighted Bell Buoy "HC" abeam to port at 0.2 mile. What is the course per gyrocompass?
Y a. 185°pgc N b. 188°pgc N c. 191°pgc N d. 194°pgc 2702: You are underway on course 241°T at a speed of 18.2 knots.
You sight a daymark bearing 241°T at a radar range of 3.9 miles at 1006. If you change course at 1009, what is the course to steer to leave the daymark abeam to starboard at 1.0 mile?
N a. 218°T Y b. 222°T N c. 257°T N d. 260°T 2885: Your vessel is steering 194°T at 13 knots. At 0116 a light bears 243°T, and at 0147 the same light bears 267°T. What will be your distance off abeam?
N a. 11.2 miles N b. 11.6 miles Y c. 12.0 miles N d. 12.5 miles 2894: You are steaming on a course of 071°T at 19 knots. At 1907 you observe a lighthouse bearing 122°T. At 1915 the lighthouse bears 154°T. What is your distance off at the second bearing?
N a. 3.4 miles Y b. 3.7 miles N c. 4.0 miles N d. 4.3 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 3610: While enroute from Sydney to the Panama Canal a vessel's true course is 071°. Variation is 14°E. Deviation is 4°W. A northerly breeze causes 2° leeway. What course would you steer psc in order to make good the true course?
Y a. 059°psc N b. 061°psc N c. 063°psc N d. 079°psc 3635: You desire to make good a true course of 236°. The variation is 8°E, magnetic compass deviation is 1°E, and gyrocompass error is 3°W. A south-southeasterly wind produces a 1° leeway. What is the course to steer per standard magnetic compass (psc) to make the true course good?
Y a. 226°psc N b. 228°psc N c. 244°psc N d. 246°psc 10300: Determine the course per standard magnetic compass from the entrance to Quonochontaug Pond (LAT 41°19.8'N, LONG 71°43.2'W) to the entrance to Great Salt Pond on Block Island.
N a. 129.5°psc N b. 134.0°psc N c. 156.0°psc Y d. 159.0°psc 11107: What is the time (Daylight Savings Time) of the first high tide on 1 July 1983 at Great Salt Pond on Block Island?
Y a. 0027 N b. 0448 N c. 1158 N d. 1203 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 11902: What is the true course to steer between the entrance to Lake Montauk (LAT 41°04.8'N, LONG 71°56.3'W) and Winnapaug Pond entrance) LAT 41°19.6'N, LONG 71°45.8'W), if you are turning for 9.5 knots, allow for a current of 075°T at 1.2 knots, and a westerly wind is causing 3° of leeway?
Y a. 021°T N b. 024°T N c. 027°T N d. 029°T 12608: You are on course 083° per standard magnetic compass when you take the following bearings: Branford Reef Light 344.5°psc Falkner Island Light 053.5°psc Mattituck Inlet Light 141.5°psc What is your position?
N a. LAT 41°10.4'N, LONG 72°43.0'W N b. LAT 41°09.6'N, LONG 72°44.9'W N c. LAT 41°08.4'N, LONG 72°43.7'W Y d. LAT 41°08.0'N, LONG 72°44.8'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 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 13006: Your 1600 position is LAT 41°08.0'N, LONG 72°44.8'W. You are making turns for 14 knots. What is your ETA at Mattituck Inlet?
N a. 1636 N b. 1643 Y c. 1647 N d. 1651 15018: What course per standard magnetic compass (psc) is the same as 247°pgc?
N a. 240°psc N b. 246°psc Y c. 257°psc N d. 260°psc 15045: From your 0841 position, you are steering a course of 241°
true to the northeasterly inbound channel entrance, your speed is now 15 knots. What is your ETA abeam of buoy "NCA" (LL#375)?
N a. 0850 Y b. 0855 N c. 0901 N d. 0911 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 15210: What course should you steer per standard magnetic compass in order to navigate down the center of York River Entrance Channel (ignore set and drift)?
N a. 139°psc Y b. 141°psc N c. 147°psc N d. 149°psc 15307: At 0315, you obtain the following bearings:
Old Plantation Flats Light bearing 179.5° true
Wolf Trap Light bearing 271° true
What is the true course from this position to the entrance of York Spit Channel?
N a. 203° Y b. 208° N c. 211° N d. 217° 15539: At 2127 you are on course 076°T. What is your ETA at a position where Twenty Eight Foot Shoal Lighted Bell Buoy "TE" is abeam to port?
N a. 2316 N b. 2324 Y c. 2332 N d. 2345 15624: The Gage at Red River Landing reads 22.2 feet. The low water reference plane for Red River is 10.6 feet. How many feet is this above the low water reference plane?
N a. 10.6 ft Y b. 11.6 ft N c. 22.2 ft N d. 32.8 ft 15907: At 0720, you are in the outer channel between buoy "1" and buoy "2" and change course to pass Townshend Ledge Lighted Gong Buoy "10A" abeam to port at 200 yards. What is your ETA off the buoy?
N a. 0734 Y b. 0738 N c. 0741 N d. 0745 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 16620: You sight Bartlett Reef Light in line with New London Harbor Light bearing 043°pgc. You are heading 088°pgc and 098.5° per standard magnetic compass at the time of the observation. Which statement is TRUE?
N a. The true heading at the observation was 090°. Y b. The deviation is 1.5°E by observation. N c. The magnetic compass error is 9.5°W. N d. The gyro error is 2°E. 16843: At what time will you enter the inbound traffic lane with Buoy "NCA" (LL #375) bearing 180°T at 0.3 mile?
N a. 1003 Y b. 0957 N c. 0951 N d. 0948