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.
57: At 0922, on 24 May, you are abreast the St. Catherine Bar Lt. (mile 348.6 AHP). If you are turning for 8.0 mph, what is the current?
N a. 7.0 mph N b. 2.0 mph N c. 1.4 mph Y d. 1.0 mph 125: 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 241: Little Gull Island Light is __________.
N a. lighted only during daytime when the sound signal is in operation Y b. lighted throughout 24 hours N c. maintained only from May 1 to Oct 1 N d. obscured by trees from 253° to 352° 254: At 0130, you obtain the following radar ranges:
Horton Point Light - 4.3 miles;
Mattituck Breakwater Light - 3.45 miles;
Duck Pond Point - 2.0 miles.
What were the course and speed made good between 0100 and 0130?
N a. 236°T at 9.4 knots Y b. 246°T at 9.8 knots N c. 259°T at 9.8 knots N d. 267°T at 9.4 knots 257: At 0705, you change course to head for The Race. You wish to leave Race Rock Light bearing due north at 0.4 mile. If the current is 110°T, at 2.8 knots, and you are turning for 12.0 knots, what course (pgc) should you steer?
N a. 252°pgc N b. 257°pgc N c. 265°pgc Y d. 271°pgc 301: You depart LAT 28°55.0'N, LONG 89°10.0'W, enroute to LAT 24°25.0'N, LONG 83°00.0'W. Determine the true course and distance by mid-latitude sailing?
N a. 418 miles, 122°T Y b. 427 miles, 129°T N c. 436 miles, 133°T N d. 442 miles, 122°T 303: A vessel steams 576 miles on course 260°T from LAT 40°36'N, LONG 50°24'W. What are the latitude and longitude of the point of arrival by mid-latitude sailing?
N a. LAT 39°12'N, LONG 62°28'W N b. LAT 39°06'N, LONG 62°34'W N c. LAT 39°02'N, LONG 62°37'W Y d. LAT 38°56'N, LONG 62°42'W 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 501: You depart from the position in the previous question at 2114 and make good 12 knots on a course of 040°T. At what time will you sight New Haven Light if the visibility is 11 miles?
N a. The light is visible at 2114. N b. 2152 Y c. 2159 N d. 2206 511: At 0130, your position is LAT 41°09.3'N, LONG 72°46.9'W when you change course to 086°T. If you make good 086°T, what is the closest point of approach to Twenty-Eight Foot Shoal Lighted Buoy?
N a. 1.2 mile N b. 1.1 mile Y c. 0.9 miles N d. 0.7 miles 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 734: On 11 March , your 1846 zone time DR position is LAT 25°05.7'N, LONG 124°29.0'W. At that time you observe Polaris with a sextant altitude (hs) of 25°59.1'. The chronometer time of the sight is 02h 44m 01s, and the chronometer error is 02m 15s slow. The index error is 3.9' on the arc, and the height of eye is 42.7 feet (13.0 meters). What is your latitude by Polaris?
N a. 25°14.2'N Y b. 25°17.9'N N c. 25°28.1'N N d. 26°15.2'N 830: On 23 August , in DR position LAT 24°22.0'S, LONG 64°55.3'E, you take an ex-meridian observation of the Moon's upper limb at upper transit. The chronometer time of the sight is 02h 15m 04s, and the chronometer error is 01m 06s fast. The sextant altitude (hs) is 48°03.6'. The index error is 2.0' on the arc, and your height of eye is 60 feet (21.0 meters). What is the latitude at meridian transit?
Y a. 24°20.5'S N b. 24°22.8'S N c. 24°24.8'S N d. 24°49.5'S 998: On 23 May , your 0628 zone time position was LAT 28°18.0'S, LONG 102°42.0'E. Your vessel was steaming on course 040°T at a speed of 20.0 knots. An observation of the Sun's lower limb was made at 0758 ZT. The chronometer read 01h 02m 06s and was fast 04m 04s. The observed altitude (Ho) was 13°16.7'. LAN occurred at 1201 zone time. The observed altitude (Ho) was 42°32.0'. What was the longitude of your 1201 zone time running fix?
N a. 103°57.9'E N b. 104°00.4'E Y c. 104°03.5'E N d. 104°06.3'E 1134: 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. 1208: On 12 July , your 0800 ZT DR position is LAT 24°15.0'N, LONG 132°30.0'W. Your vessel is on course 045°T at a speed of 15.0 knots. What is the ZT of local apparent noon (LAN)?
N a. 1146 N b. 1148 Y c. 1152 N d. 1159 1220: Anchorage regulations for this area may be obtained from __________.
N a. Chesapeake Bay Port Authority, Hampton VA N b. Virginia - Maryland Pilots Association Y c. Office of the Commander 5th Coast Guard District N d. Commanding General, Corps of Engineers, Washington, D.C. 1465: On 22 April , your 0344 zone time DR position is LAT 21°16.0'N, LONG 107°32.0'W. At that time, you observe Spica bearing 236°psc. The chronometer reads 10h 45m 16s,
and the chronometer error is 00m 25s fast. The variation is 7.5°E. What is the deviation of the standard compass?
N a. 1.1°W Y b. 5.2°E N c. 5.2°W N d. 6.1°W 1497: On 19 November , your 0146 ZT position is LAT 33°48'N, LONG 25°22'E. You observe Polaris bearing 359.8°pgc. At the time of the observation the helmsman noted that he was heading 224°pgc and 222.5°psc. The variation is 2°E. What is the deviation for that heading?
N a. 2.0°E N b. 0.5°E Y c. 1.0°W N d. 1.5°W 1670: On 10 August , your vessel's 0426 zone time DR position is LAT 52°07'N, LONG 142°16'E, 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 074.5° per standard compass. Variation in the area is 12°W. The chronometer reads 07h 24m 19s and is 02m 34s fast. Which of the following is the deviation of the standard compass?
N a. 0.0° N b. 1.3°W Y c. 1.3°E N d. 2.3°W 1677: On 23 August , at 0604 ZT, in DR position LAT 16°42.3'S, LONG 28°19.3'W, you observed an amplitude of the Sun. The lower limb was a little above the horizon, and the Sun bore 076.0°pgc. At the time of the observation, the helmsman reported that he was heading 143°pgc and 167°
per standard magnetic compass. The variation in the area was 23°W. What were the gyro error and deviation for that heading?
N a. 1°W GE, 2°W DEV N b. 1°E GE, 1°E DEV N c. 2°W GE, 1°E DEV Y d. 2°E GE, 1°E DEV 1683: You are taking a time tick using the 1930 signal from Rio de Janeiro, Brazil. You hear the preparatory signal "CQ DE PPE" repeated several times followed by a short dash (0.4 sec), 60 dots (0.1 sec each) and another short dash. At the beginning of the last dash, the comparing watch reads 07h 30m 08s. When compared to the chronometer, the comparing watch reads 07h 31m 48s, and the chronometer reads 07h 32m 16s. What is the chronometer error?
N a. 0m 28s slow N b. 1m 40s slow N c. 0m 08s fast Y d. 0m 36s fast 1762: What are the dimensions of the Old River Lock on the Lower Old River (mile 304 AHP)?
N a. 1175 x 75 feet Y b. 1190 x 75 feet N c. 1195 x 84 feet N d. 1202 x 84 feet 1911: On 22 February , your 1857 DR position is LAT 23°46.0'S, LONG 93°16.5'E. You observe an unidentified star bearing 150°T at an observed altitude (Ho) of 42°15.0'. The chronometer reads 01h 00m 35s, and is 03m 25s fast. What star did you observe?
N a. Adhara N b. Miaplacidus Y c. Avior N d. Suhail 2368: At 2100, January 12, you are passing Cherokee Landing Lt. (mile 112.5 UMR). What has been your speed over the ground since leaving St. Louis, MO (mile 181 UMR).
N a. 10.4 mph Y b. 9.8 mph N c. 9.2 mph N d. 8.8 mph 2878: Your vessel is steering 143°T at 16 knots. At 2147 a light bears 106°T, and at 2206 the same light bears 078°T. What will be your distance off abeam?
N a. 5.1 miles N b. 5.4 miles Y c. 5.9 miles N d. 6.5 miles 2900: You are steaming on a course of 167°T at 19.5 knots. At 1837 you observe a lighthouse bearing 224°T. At 1904 the lighthouse bears 268°T. What is your distance off at the second bearing?
N a. 8.8 miles N b. 9.5 miles Y c. 10.4 miles N d. 11.3 miles 3059: The propeller on a vessel has a diameter of 21.5 feet and a pitch of 24.5 feet. What would be the apparent slip if the vessel cruised 458 miles in a 23 hour day (observed distance) at an average RPM of 78?
N a. +5.6% Y b. -5.6% N c. +12.3% N d. -12.3% 3609: Enroute from Rio to Montevideo, the true course is 215°; the gyro error is 2° west. A north wind causes 3° leeway. What course would you steer per gyrocompass to make good the true course?
Y a. 220°pgc N b. 214°pgc N c. 216°pgc N d. 210°pgc 3639: You desire to make good a true course of 132°. The variation is 10°W, magnetic compass deviation is 5°E, and gyrocompass error is 5°W. A northeast by east wind produces a 5° leeway. What is the course to steer per standard magnetic compass to make the true course good?
Y a. 132°psc N b. 135°psc N c. 137°psc N d. 142°psc 11404: At 2115 your GPS position is LAT 41°03.3'N, LONG 72°37.9'W. At 0027 your position is LAT 41°14.4'N, LONG 72°07.2'W. What was your speed made good?
N a. 7.0 knots N b. 7.5 knots Y c. 8.0 knots N d. 8.5 knots 12203: Your vessel is steady on a heading of 310° per standard magnetic compass when you sight Stratford Point Light and Igor I. Sikorsky Airport Aero Beacon in line dead ahead. This information indicates that the __________.
N a. existing deviation table is correct for this heading N b. deviation is 1°E N c. variation is 18°W for this area Y d. compass error is 10°W 13007: Your 1600 position is LAT 41°08.0'N, LONG 72°44.8'W. You are making turns for 10 knots. What is your ETA at Twenty-Eight Foot Shoal Lighted Buoy "TE" (LAT 41°09.3'N LONG 72°30.5'W)?
N a. 1647 N b. 1651 N c. 1702 Y d. 1706 13401: You are planning to anchor in Orient Harbor at LAT 41°07.9'N, LONG 72°18.5'W. Assuming that normal conditions exist, how much anchor cable should you put out?
N a. 16 to 18 feet N b. 40 to 60 feet Y c. 80 to 112 feet N d. 120 to 140 feet 13803: NOAA Weather Broadcasts for the New London area may be received by turning your radio to __________.
Y a. 162.550 MHz N b. 162.475 MHz N c. 162.400 MHz N d. 162.350 MHz 14005: At 0800 your vessel is at mile 110 on the Columbia River. You are steaming in an easterly direction. At 0854 Lady Island Range is in line dead astern and Government Island Upper Range is in line on your port quarter. What speed have you averaged?
N a. 8.1 mph N b. 8.5 mph Y c. 9.4 mph N d. 10.2 mph 14703: At 0800 your vessel is at mile 110 proceeding in an easterly direction on the Columbia River. At 1030 Reed Island is abeam to port as you pass the 125 mile mark. What has been your average speed in knots?
N a. 4.3 knots Y b. 5.2 knots N c. 8.7 knots N d. 10.0 knots 15057: 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 0.1 miles. What is the course to steer per gyro compass if a northerly wind causes 2° of leeway?
N a. 120°pgc N b. 118°pgc N c. 116°pgc Y d. 114°pgc 15440: Your ETA at Chesapeake Bay Bridge and Tunnel between trestles B + C is 2300. If your engine speed is 9.8 knots,
what will be your approximate speed over the ground, at that time, allowing for the predicted current?
N a. 7.0 knots N b. 8.2 knots N c. 11.4 knots Y d. 12.5 knots 15460: At 0845, you are approaching the entrances to Thimble Shoal Channel. What channel must you use?
Y a. The South Auxiliary Channel since your draft is less than 25 feet (7.6 meters), and you are not a passenger vessel. N b. The South Auxiliary Channel or Thimble Shoal Channel, but you must remain on the right hand side of the main channel. N c. The North Auxiliary Channel since you are going to turn to a northerly heading near buoy "12". N d. You are not permitted to use any of the channels, but must remain outside the buoyed channel line. 15508: From your position you observe a rotating white and green light to the north. This light is most likely __________.
N a. from a submarine on the surface N b. the light at Southeast Point Y c. at an airport N d. on a coastal patrol vessel 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" 15629: In order to determine what buoys, if any, are in place at Concordia Bar crossing (mile 596.0 AHP), what should you check?
N a. Bulletin board at the Rosedale Gage N b. Waterways Journal Y c. Notice to Mariners N d. Light List 15643: The light on Block Island Sound South Entrance Obstruction Buoy "BIS" is reported extinguished. Which of the following will serve as a positive warning that you are being set onto the obstruction?
N a. Radar ranges to Southwest Point of less than 7.9 miles N b. Soundings of less than 50 feet N c. Shagwong Reef Lighted Bell Buoy "7SR" 3.1 miles off abeam Y d. Race Rock Light bearing 299°T and decreasing 15844: Your course made good from 2045 to 2111 is __________.
N a. 187°T N b. 190°T Y c. 193°T N d. 196°T 15967: At 1925, you take a fix using the following radar ranges:
York Spit Light - 3.4 miles away;
New Point Comfort Spit Light "2" - 2.1 miles away;
York Spit Swash Channel Light "3" - 2.7 miles away. Your longitude is __________.
Y a. 76°16.6'W N b. 76°16.8'W N c. 76°17.0'W N d. 76°17.2'W 16045: The north shore of Long Island, from Horton Point to Orient Point,
is __________.
Y a. bluff and rocky N b. low and sparsely wooded N c. marked by long sandy beaches at low water N d. marshy and backed with sand dunes 16062: At 1930, your vessel is between York River Entrance Channel Lighted Buoys "1YR" and "2". From this position, you change course to 142°pgc at an engine speed of 8.0 knots. At 2000, you take the following bearings: Chesapeake Channel Tunnel North Light - 131°pgc Thimble Shoal Light - 247°pgc
What were the set and drift between 1930 and 2000?
N a. 140°T at 0.2 knot Y b. 140°T at 0.4 knot N c. 320°T at 0.2 knot N d. 320°T at 0.4 knot 16106: At 0410, you take the following bearings:
New Point Comfort Light "2" 242°T
Wolf Trap Light 313°T
Horn Harbor Entrance Light "HH" 262°T
What is your 0410 position?
Y a. LAT 37°21.0'N, LONG 76°08.1'W N b. LAT 37°21.0'N, LONG 76°08.8'W N c. LAT 37°21.1'N, LONG 76°07.9'W N d. LAT 37°21.2'N, LONG 76°08.2'W 16341: At 2230 you take the following visual bearings:
Montauk Point Light, Long Island 317°pgc
Southeast Point Light, Block Island 009°pgc
What is your position?
N a. LAT 40°51.2'N, LONG 71°35.9'W N b. LAT 40°51.5'N, LONG 71°36.4'W N c. LAT 40°52.2'N, LONG 71°36.6'W Y d. LAT 40°52.0'N, LONG 71°37.4'W 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 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 16546: At 0100 you notice that the wind has become SSW'ly and has freshened. At 0200 you sight Stratford Point Lighted Bell Buoy "18" bearing 268°pgc. At 0215 the buoy bears 269°pgc. Which statement is TRUE?
N a. You should alter course to the right to increase the rate of the bearing change. N b. You are making more speed over the ground than you estimated. Y c. You should alter course to decrease the distance that you will pass off Middle Ground Shoal. N d. You can hold the present course and safely pass buoy "18". 16706: 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?
N a. LAT 41°20.8'N, Long 71°30.3'W Y b. LAT 41°20.8'N, Long 71°29.7'W N c. LAT 41°20.6'N, Long 71°30.0'W N d. LAT 41°20.5'N, Long 71°29.8'W