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.
116: At which of the following times would you be able to listen to lower Mississippi River conditions on VHF Channel 22?
N a. 0900 hours N b. 1100 hours Y c. 1300 hours N d. 1700 hours 279: At 1752, your position is LAT 37°04.3'N, LONG 76°06.4'W. On a flood current you should expect to be set to the __________.
N a. south southeast N b. south southwest N c. east southeast Y d. north northwest 283: At 1810, you sight a buoy on your starboard side labeled "19". This buoy marks __________.
Y a. the side of York Spit Channel N b. the visibility limit of the red sector of Cape Henry Light N c. the end of York Spit Channel N d. the junction of the York Spit and York River Entrance Channels 292: If you have 17.3 miles to reach your destination from your 2000 position and want to be there at 2230, what speed should you make good?
Y a. 6.9 knots N b. 6.5 knots N c. 6.1 knots N d. 5.7 knots 349: From your 0430 position, what is the course per standard magnetic compass to a position where Twenty-eight foot Shoal lighted buoy "TE" is abeam to port at 1 mile?
Y a. 101.5° N b. 098.0° N c. 086.0° N d. 082.5° 556: Your 0530 position is LAT 41°04.9'N, LONG 73°01.1'W. What is the course per standard magnetic compass to a position 1.0 mile south of Twenty Eight Foot Shoal "TE" buoy?
Y a. 099.5°psc N b. 096.0°psc N c. 092.5°psc N d. 082.0°psc 634: You have orders to drop off the empties at the fleeting area at Cairo Point and add five loaded tank barges to your tow. If you are turning for 9 mph and estimate the current at 1.5 mph, what is your ETA at Cairo?
N a. 1031, 22 June Y b. 1423, 22 June N c. 1741, 22 June N d. 2210, 22 June 816: On 15 November , your 0813 zone time (ZT) fix gives you a position of LAT 22°30.0'N, LONG 67°28.0'W. Your vessel is on course 164°T, and your speed is 13.5 knots. Local apparent noon (LAN) occurs at 1215 ZT, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 49°46.0'. What is the latitude at 1200 ZT?
Y a. 21°42.5'N N b. 21°39.3'N N c. 21°36.0'N N d. 21°32.8'N 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 1204: On 25 April , your 0930 zone time position is LAT 28°35'S, LONG 82°30'W. Your vessel is on course 300°T at a speed of 20.0 knots. Determine the time of LAN.
Y a. 1131 N b. 1158 N c. 1211 N d. 1225 1210: It is 19 October and you are keeping +4 zone time. You are on course 275°, speed 16 knots. Your 0800 DR position is LAT 25°34.0'N, LONG 74°36.0'W. What is the second estimate of the time of LAN by ship's clocks?
N a. 11h 48m 38s N b. 12h 04m 49s Y c. 12h 49m 10s N d. 13h 48m 36s 1277: On 22 June , your 0400 zone time DR position is LAT 23°00'N, LONG 81°45'W. You are steaming on course 110°T at a speed of 8.6 knots. What will be the zone time of sunrise at your vessel?
N a. 0537 Y b. 0541 N c. 0545 N d. 0547 1305: As you approach Ashland Light (mile 378.1 AHP) which daymark would you see?
Y a. Red triangle N b. Red diamond N c. Green square N d. Green diamond 1471: On 21 February , your 0823 zone time DR position is LAT 21°44.0'S, LONG 80°14.0'E. At that time, you observe the Sun bearing 096°psc. The chronometer reads 03h 25m 19s, and the chronometer error is 01m 52s fast. The variation is 5°W. What is the deviation of the standard magnetic compass?
N a. 2.2°E Y b. 4.7°W N c. 5.7°E N d. 6.3°W 1500: On September 9 , your 2130 zone time (ZD +5) DR position is LAT 45°08'N, LONG 82°38'W. At that time, you observe Polaris bearing 000.5°pgc. The chronometer time of the observation is 02h 26m 09s, and the chronometer is 1m 43s slow. The variation is 8.7°W. What is the gyro error?
Y a. 0.7°E N b. 1.2°E N c. 0.8°W N d. 9.4°W 1644: From your 2207 position you adjust your course to arrive 0.3 mile north of Lighted Whistle Buoy "NCA". If you make good 14 knots, at what time will Cape Charles Light be abeam?
Y a. 2242 N b. 2245 N c. 2247 N d. 2250 1809: Which daymark would you see at Shields Bar Lt. (mile 882.2 AHP)?
N a. Red triangle N b. Green triangle Y c. Red diamond N d. Green square 2007: On 4 September , your 1813 zone time DR position is LAT 24°18.0'S, LONG 95°16.0'E. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time?
N a. Enif, Miaplacidus, Alkaid N b. Betelgeuse, Acrux, Hamal Y c. Rasalhague, Fomalhaut, Spica N d. Deneb, Altair, Vega 2205: What are the dimensions of Old River Lock, on the Lower Mississippi River?
N a. 1202 feet x 84 feet Y b. 1190 feet x 75 feet N c. 760 feet x 75 feet N d. 425 feet x 75 feet 2283: You observe the lower limb of the Sun at a sextant altitude (hs) of 22°58.6' on 16 June . The index error is 2.0' off the arc. The height of eye is 61 feet. What is the observed altitude (Ho)?
Y a. 23°06.7' N b. 23°09.9' N c. 23°15.4' N d. 23°22.2' 2297: The Platte River empties into which river?
N a. Mississippi N b. Ohio Y c. Missouri N d. Tennessee 2333: You observe the lower limb of the Sun at a sextant altitude (hs) of 37°47.2' on 11 October . The index error is 3.0' off the arc. The height of eye is 63 feet (19.2 meters). What is the observed altitude (Ho)?
N a. 37°25.2' N b. 37°42.5' N c. 37°51.5' Y d. 37°57.5' 2460: You have steamed 499 miles at 21 knots and burning 462 barrels of fuel per day. You must decrease your consumption to 221 barrels per day with 311 miles left in your voyage. What must you reduce your speed (kts) to in order to burn this amount of fuel?
N a. 17.3 Y b. 18.4 N c. 19.1 N d. 20.0 2669: You are steering 143°T, and a light is picked up dead ahead at a distance of 18.2 miles at 2006. You change course to pass the light 5.5 miles off abeam to port. If you are making 14.5 knots, what is your ETA at a position 5.5 miles off the light?
N a. 2115 Y b. 2118 N c. 2121 N d. 2124 2681: Your vessel is on course 312°pgc and you sight a lighthouse dead ahead at a range of 10 miles. The gyro error is 3°E. What course would you steer to leave the lighthouse 1.5 miles abeam to starboard?
N a. 309°pgc Y b. 304°pgc N c. 309°T N d. 304°T 2857: Your vessel is on a course of 253°T at 18 knots. At 2027 a light bears 275.5°T, and at 2055 the light bears 298°T.
At what time and at what distance off will your vessel be when abeam of the light?
Y a. 2115, 5.9 miles N b. 2109, 6.4 miles N c. 2123, 7.3 miles N d. 2104, 7.7 miles 2877: Your vessel is steering 263°T at 22 knots. At 0413 a light bears 294°T, and at 0421 the same light bears 312°T. What will be your distance off abeam?
N a. 3.4 miles Y b. 3.7 miles N c. 4.3 miles N d. 4.9 miles 2877: Your vessel is steering 263°T at 22 knots. At 0413 a light bears 294°T, and at 0421 the same light bears 312°T. What will be your distance off abeam?
N a. 3.4 miles Y b. 3.7 miles N c. 4.3 miles N d. 4.9 miles 3081: If the speed necessary for reaching port at a designated time is 12.6 knots and the pitch of the propeller is 13.6 feet, how many revolutions per minute will the shaft have to turn, assuming no slip?
N a. 81 N b. 85 N c. 90 Y d. 94 3285: While steaming at 19.4 knots, your vessel consumes 392 barrels of fuel oil per day. In order to reduce consumption to 182 barrels of fuel oil per day, what is the maximum speed the vessel can turn for?
N a. 13.2 knots Y b. 15.0 knots N c. 17.4 knots N d. 18.2 knots 3292: Your vessel consumes 215 barrels of fuel per day at a speed of 18.0 knots. What will be the fuel consumption of your vessel at 14.0 knots?
N a. 67 bbls Y b. 101 bbls N c. 130 bbls N d. 167 bbls 10208: Your GPS position is LAT 41°08.5'N, LONG 72°28.8'W. What course must you steer per standard magnetic compass (psc) to leave Cornfield Lighted Whistle Buoy "CF" 0.5 mile abeam to starboard?
N a. 032°psc N b. 048°psc N c. 055°psc Y d. 067°psc 12108: You sight Tue Marshes Light (LAT 37°14.1'N, LONG 76°23.2'W) in line with Goodwin Thorofare Light "16" (LAT 37°13.7'N, LONG 76°25.0'W) bearing 262° per standard magnetic compass. What is TRUE if your vessel's heading is 119°psc?
N a. The compass error is 10°W. N b. The deviation table must be corrected for the change in date. N c. The deviation is 1°W. Y d. The deviation table is correct for a heading of 119°psc. 12705: You are on course 087° per standard magnetic compass when you take the following bearings: Little Gull Island Light 277°psc Race Rock Light 303°psc Latimer Reef Light 025°psc What is your position?
Y a. LAT 41°13.1'N, LONG 71°57.5'W N b. LAT 41°13.1'N, LONG 71°56.9'W N c. LAT 41°13.0'N, LONG 71°58.0'W N d. LAT 41°12.9'N, LONG 71°57.2'W 13000: Your 2108 position is LAT 41°10.0'N, LONG 72°30.0'W. You are turning for 12.5 knots. What is your ETA at Buoy NH (LAT 41°12.1'N, LONG 72°53.8'W)?
N a. 2133 N b. 2227 Y c. 2235 N d. 2248 13105: At 1048 you are in the entrance to Great Salt Pond on Block Island with buoy "5" close aboard. What is your ETA at the west gap of Point Judith Harbor of Refuge if you make good 8.3 knots?
N a. 1149 N b. 1154 N c. 1158 Y d. 1203 13700: Local magnetic disturbances of up to how many degrees have been noted from Cape Henry to Currituck Beach Light?
N a. 2 degrees Y b. 6 degrees N c. 11 degrees N d. 17 degrees 14300: What is the height above the water of Government Island Upper Range, lower light?
Y a. 20 feet N b. 24 feet N c. 38 feet N d. 42 feet 14602: Where would you tune your radio to receive a VHF-FM weather broadcast for the Columbia River in the vicinity of Government Island?
N a. KIH-32 - 162.40 MHz N b. KBA-99 - 162.40 MHz Y c. KEB-97 - 162.55 MHz N d. KEC-62 - 162.55 MHz 15026: The highest point on your towboat is 53 feet above the water, and the Helena Gage (mile 663 AHP) reads 6.7 feet. What is the vertical clearance when you pass under the Helena Highway Bridge in Helena?
Y a. 59.9 feet N b. 62.5 feet N c. 64.1 feet N d. 65.5 feet 15361: Your 0530 position is LAT 41°04.9'N, LONG 73°01.1'W. What is the course per standard magnetic compass to a position 1.0 mile south of Twenty Eight Foot Shoal "TE"
buoy?
N a. 082.0°psc N b. 092.5°psc N c. 096.0°psc Y d. 099.5°psc 15509: At 1800, your position is LAT 41°06.5'N, LONG 71°43.5'W. How would the buoy which bears approximately 040°T from your position at a range of half a mile be painted?
Y a. Horizontally banded, green over red, with a green buoyancy chamber N b. Horizontally banded, red over green, with a red buoyancy chamber N c. Vertically striped, red and green N d. Solid green with red letters "BIS" 15516: 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 N c. 13213 Y d. 13214 15820: 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 15968: What was the speed made good from 1900 to 1925?
N a. 8.5 knots N b. 8.7 knots N c. 8.8 knots Y d. 9.1 knots 16111: Which publication contains the specific information about navigating in York Spit Channel?
N a. Light List Y b. Coast Pilot N c. Chesapeake Bay Harbor- master's Regulations Manual N d. Navigator's Manual - Chesapeake Bay 16218: At 0830, Watch Hill Point bears 343°T at 3.5 miles by radar. What was the speed made good since 0745?
N a. 5.4 knots N b. 5.8 knots N c. 6.7 knots Y d. 7.1 knots 16308: At 0530, your position is LAT 41°13.6'N, LONG 72°08.5'W. What is the color of New London Harbor Light?
Y a. Red N b. White N c. Green N d. Alternating white and green 16618: What is the distance from your 0200 position to the point where Twenty-Eight Foot Shoal lighted buoy is abeam to starboard?
N a. 6.6 miles Y b. 6.9 miles N c. 7.1 miles N d. 7.3 miles