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.
48: The Clinch River empties into which river?
N a. Arkansas N b. Mississippi Y c. Tennessee N d. Ohio 62: The Greenville Gage reads 10.6 feet. The high point of your towboat is 54 feet above water. What is the vertical clearance as you pass under the Greenville Highway Bridge?
N a. 75.4 feet Y b. 65.4 feet N c. 54.2 feet N d. 44.4 feet 75: What is your ETA at the Memphis Highway Bridge?
N a. 1813, 22 Sept N b. 1405, 22 Sept Y c. 1052, 22 Sept N d. 0828, 22 Sept 151: What is the distance from the Memphis Gage to the Redneb Services Dock in New Orleans, LA.
N a. 460 miles N b. 503 miles N c. 588 miles Y d. 633 miles 162: At 1923, you decrease speed to make good 9.2 mph. What is the first Gage you will pass after your speed change?
Y a. Cottonwood Point N b. New Madrid N c. Fulton N d. Tiptonville 413: A vessel steams 1106 miles on course 249°T from LAT 13°30.0'N, LONG 144°30.3'E. What is the latitude and longitude of the point of arrival by Mercator sailing?
N a. LAT 07°01.0'N, LONG 127°02.0'E Y b. LAT 06°54.0'N, LONG 127°08.0'E N c. LAT 06°50.0'N, LONG 127°13.0'E N d. LAT 06°46.0'N, LONG 127°17.0'E 480: The great circle distance from LAT 25°50'N, LONG 77°00'W to LAT 35°56'N, LONG 06°15'W is 3616 miles, and the initial course is 061.7°T. The position of the vertex is LAT 37°34.9'N, LONG 25°59.0'W. Determine the latitude intersecting the great circle track 600 miles west of the vertex, along the great circle track.
Y a. 36°54.9'N N b. 36°50.2'N N c. 36°45.9'N N d. 36°36.8'N 482: The great circle distance from LAT 25°50'N, LONG 77°00'W to LAT 35°56'N, LONG 06°15'W is 3616 miles, and the initial course is 061.7°T. Determine the longitude of the vertex, given the latitude of the vertex as 37°34.9'N.
N a. 25°49.8'W N b. 25°53.2'W Y c. 25°59.0'W N d. 26°03.4'W 502: At 2142, you take the following bearings:
Stratford Point Light 331°T
Stratford Shoal Middle Ground Light 280°T
Old Field Point Light 223°T
What is your 2142 position?
N a. LAT 41°02.7'N, LONG 73°01.2'W Y b. LAT 41°03.0'N, LONG 73°01.7'W N c. LAT 41°03.1'N, LONG 73°01.3'W N d. LAT 41°03.3'N, LONG 73°01.9'W 517: At 0520, you take the following observations:
Point Judith Light 032°pgc
Point Judith Harbor of Refuge
Main Breakwater Center Light 308°pgc
What is the position of your 0520 fix?
Y a. LAT 41°20.8'N, Long 71°29.7'W N b. LAT 41°20.6'N, Long 71°30.4'W N c. LAT 41°20.6'N, Long 71°30.0'W N d. LAT 41°20.5'N, Long 71°29.4'W 641: At 1032 on 24 June, you pass Carolina Landing Light(508.8 AHP). What has been the average current since 2350, 23 June, if you have been making turns for 9.0 mph?
Y a. 0.5 mph N b. 1.5 mph N c. 5.7 mph N d. 8.5 mph 705: At 1554, on 25 May, you pass Huntington Point Light (mile 555.2 AHP). What was your average speed since departing Amoco Pipeline Co. DockS (mile 253.6 AHP)?
Y a. 6.2 mph N b. 5.2 mph N c. 4.8 mph N d. 4.3 mph 845: On 16 September , your 0600 ZT fix gives you a position of LAT 29°47.2'N, LONG 65°28.4'W. Your vessel is on course 242°T and your speed is 13.5 knots. Local apparent noon (LAN) occurs at 1227 ZT, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 63°25.3'. What is the calculated latitude at LAN?
N a. 29°07.9'N N b. 29°06.1'N Y c. 29°04.7'N N d. 29°01.6'N 1203: You are keeping ZD +4 on your vessel. On 21 June ,
at 0906 DST, your position is LAT 30°48.0'N,
LONG 71°00.0'W. You are on a course of 167°T at 15.2 knots. At what time will local apparent noon (LAN) occur ZT at your vessel? You are keeping DST.
N a. 1145 N b. 1202 N c. 1218 Y d. 1245 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 1287: As you approach Buckridge Light (mile 412.5 AHP),
which type of daymark would you see on the light structure?
N a. Red diamond N b. Red triangle Y c. Green square N d. Green diamond 1564: As you approach Dean Island Light (mile 754.8 AHP), which type of daymark will be observed at the light?
N a. Green triangle N b. Red and green banded square N c. Green square daymark Y d. Diamond-shaped green daymark 1712: What is the distance from Cairo Point, IL, to Arkansas City?
N a. 28 miles N b. 110 miles N c. 218 miles Y d. 400 miles 1736: What are the color and shape of Joseph Henry Daymark at mile 445.2 AHP?
N a. Red - Triangle N b. Green - Square N c. Green - Triangle Y d. Red - Diaomond 1808: You are on map #4. What is the mile point of the facility known as Gulf Coast Grain Co.?
N a. mile 920 AHP N b. mile 921 AHP N c. mile 922 AHP Y d. mile 923 AHP 1917: On 14 January , your 1922 DR position is LAT 27°18.5'S, LONG 67°18.0'E. You observe an unidentified star bearing 054°T at an observed altitude (Ho) of 07°52.1'. The chronometer reads 03h 25m 43s, and is 03m 15s fast. What star did you observe?
N a. Elnath N b. Fomalhaut Y c. Pollux N d. Markab 2209: The Helena Gage reads 9.4 feet. The high point on your towboat is 42 feet above water. What is the vertical clearance when you pass under the Helena Highway Bridge?
N a. 53.0 feet N b. 62.6 feet N c. 64.2 feet Y d. 68.0 feet 2330: At 0731, what is the approximate depth of water?
N a. 31 feet (9.4 meters) Y b. 41 feet (12.5 meters) N c. 52 feet (15.7 meters) N d. 58 feet (17.6 meters) 2720: Which company utility crossing is at mile 529.7 AHP?
Y a. Texas Gas Transmission Corp. submerged gas pipeline N b. Tennessee Gas Co. submerged gas pipeline N c. ANR Pipeline Co. submerged gas pipeline N d. Trunkline Gas Co. submerged gas pipeline 2895: You are steaming on a course of 246°T at 17 knots. At 2107 you observe a lighthouse bearing 207°T. At 2119 the lighthouse bears 179°T. What is your distance off at the second bearing?
N a. 3.9 miles N b. 4.2 miles Y c. 4.6 miles N d. 5.1 miles 2903: You are steaming on a course of 025°T at 15.5 knots. At 0645 you observe a lighthouse bearing 059°T. At 0655 the same lighthouse bears 075°T. What is your distance off at the second bearing?
N a. 1.5 miles N b. 2.6 miles N c. 4.0 miles Y d. 5.3 miles 2904: Your vessel is on course 093°T at 15 knots. At 1835 a light bears 136°T, and at 1857 the same light bears 170°T. What was your distance off the light at 1857?
N a. 6.0 miles N b. 6.4 miles Y c. 6.8 miles N d. 7.2 miles 3468: You are underway on course 215°T at 12 knots. The current is 000°T at 2.3 knots. What is the speed being made good?
N a. 8.5 knots Y b. 10.2 knots N c. 10.9 knots N d. 11.2 knots 3605: The true course from point A to point B is 317°. A SSW wind causes a 4° leeway, variation is 6°W and deviation is 1°E. What is the magnetic compass course to steer to make good the true course?
N a. 326°psc Y b. 318°psc N c. 313°psc N d. 308°psc 4013: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2°W. The variation is 8°W. Find the deviation on a gyro heading of 039°.
HEADING HEADING HEADING
PSC PGC PSC PGC PSC PGC
358.5° - 354° 122.5° - 114° 239.5° - 234°
030.5° - 024° 152.0° - 144° 269.0° - 264°
061.5° - 054° 181.0° - 174° 298.0° - 294°
092.0° - 084° 210.0° - 204° 327.5° - 324°
N a. 0.8°E N b. 0.0° N c. 0.5°W Y d. 1.0°W 10109: What is the base course (psc) in the inbound northeasterly traffic lane of the Chesapeake Bay entrance traffic separation scheme?
Y a. 261°psc N b. 258°psc N c. 250°psc N d. 244°psc 10301: Determine the course per standard magnetic compass from Cerberus Shoal Buoy 9 (LAT 41°10.4'N, LONG 71°57.1'W) to the entrance to Quonochontaug Pond (LAT 41°19.8'N, LONG 71°43.2'W).
N a. 030°psc N b. 036°psc Y c. 059°psc N d. 067°psc 11709: Your position is LAT 37°00.0'N, LONG 75°30.0'W. What is the course to steer per standard magnetic compass to arrive at LAT 36°59.0'N, LONG 75°48.5'W, if you are making 7.8 knots, the current is 239°T at 1.3 knots, and a southeasterly wind is causing 3° of leeway?
N a. 271°psc N b. 274°psc Y c. 278°psc N d. 282°psc 12107: 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 267° per standard magnetic compass. What is TRUE if your vessel's heading is 056°psc?
N a. The compass error is 13°E. Y b. The deviation table is in error and should be corrected. N c. The deviation is 4°E. N d. The deviation table is correct for a heading of 056°psc. 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 12704: You are on course 137° per standard magnetic compass when you take the following bearings: Watch Hill Point Light - 051°psc Montauk Point Light - 184°psc Race Rock Light - 279°psc What is your position?
Y a. LAT 41°15.2'N, LONG 71°54.4'W N b. LAT 41°15.1'N, LONG 71°53.8'W N c. LAT 41°15.1'N, LONG 71°54.9'W N d. LAT 41°15.0'N, LONG 71°53.7'W 12901: Your 1152 position is LAT 37°23.9'N, LONG 76°05.5'W. You are turning for 10.3 knots. What is your ETA at Trestle C of the Chesapeake Bay Bridge and Tunnel if you follow York Spit Channel?
Y a. 1404 N b. 1349 N c. 1342 N d. 1339 14601: Where would you look for information on the restricted areas shown on the chart immediately above and below the spillway at The Dalles Lock & Dam ?
N a. Light List - Vol II Y b. Coast Pilot 7 - Chapter 2 N c. Notice to Mariners N d. Sailing directions 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) 15023: At 1042, on 16 March, you are passing the Vicksburg Gage (mile 437.0 AHP). What has been the average current since 0630, 15 March, if you have been making turns for 8.0 mph?
N a. 0.2 mph N b. 0.5 mph Y c. 0.8 mph N d. 1.2 mph 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 15724: You pass Morrison Towhead Light (mile 890.5 AHP) at 1723. What was your average speed since leaving Cairo?
N a. 7.5 mph N b. 7.8 mph Y c. 8.5 mph N d. 8.8 mph 15839: From your 2000 position you change course to 206°T. What time would you expect to be abeam of Hog Island Buoy "12"?
N a. 2021 Y b. 2026 N c. 2031 N d. 2040 15906: As you enter the New Haven Outer Channel, you sight the range markers in line directly over the stern. Your heading at the time is 155.5° per gyrocompass. What is the gyro error?
N a. 1.0°E N b. 1.0°W Y c. 2.0°W N d. 0° 16220: 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"?
N a. 089°pgc N b. 091°pgc N c. 093°pgc Y d. 096°pgc 16312: Assuming no current, at what time can you expect to be abeam of Townshend Ledge Lighted Buoy?
N a. 0859 N b. 0902 N c. 0905 Y d. 0910 16343: At 2302 you change course to compensate for an estimated current of 090°T, at 1.0 knot. What course per gyrocompass will you steer to leave Endeavor Shoals Lighted Gong Buoy "3" abeam to port at 1 mile?
N a. 324°pgc Y b. 327°pgc N c. 330°pgc N d. 333°pgc 16457: The coast between Great Machipongo Inlet and Cape Charles is __________.
N a. broken by the mouths of several major rivers Y b. low, with sandy beaches bordered by marsh and woodlands N c. marked by prominent, isolated, barren hills N d. composed of high, rocky bluffs and wooded uplands 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