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.
119: What is the length of the trip?
N a. 405.8 miles N b. 553.0 miles Y c. 904.0 miles N d. 1136.8 miles 167: The Arkansas City Yellow Bend revetment on the LMR extends from mile __________.
Y a. 555.5-549.7 RDB N b. 549.0-548.5 RDB N c. 556.9-554.9 LDB N d. 548.5-546.5 LDB 238: At 0910, your DR position is LAT 41°11.9'N, LONG 72°47.8'W. Your vessel is on course 097°T at 9.5 knots, and the weather is foggy. At 0915, Branford Reef Light is sighted through a break in the fog bearing 318°T. At 0945, Falkner Island Light is sighted bearing 042°T. What is your 0945 running fix position?
N a. LAT 41°11.1'N, LONG 72°41.2'W N b. LAT 41°11.3'N, LONG 72°41.3'W Y c. LAT 41°11.5'N, LONG 72°40.7'W N d. LAT 41°11.8'N, LONG 72°40.2'W 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 329: The engineer has advised that it will be necessary to secure the gyrocompass and the electronic equipment. From your 0315 position, what is your course per standard magnetic compass to York Spit Channel Buoy "38", if there is no current?
N a. 218°psc Y b. 216°psc N c. 214°psc N d. 212°psc 357: If the visibility is 5 miles and you are in the red sector, at what distance off should you sight Cape Henry Light?
Y a. 09 miles N b. 11 miles N c. 13 miles N d. 15 miles 361: Which publication contains the specific information about navigating in York Spit Channel?
Y a. Coast Pilot N b. Light List N c. Chesapeake Bay Harbor- master's Regulations Manual N d. Navigator's Manual - Chesapeake Bay 429: At 0820, you take the following bearings:
Falkner Island Light bearing 052°true
Branford Reef Light bearing 307°true
What are the set and drift since 0730?
N a. Set 052°T, drift 1.1 knots N b. Set 052°T, drift 1.3 knots Y c. Set 232°T, drift 1.3 knot N d. Set 232°T, drift 1.1 knots 451: Determine the great circle distance and initial course from LAT 27°51.0'N, LONG 71°41.0'W to LAT 49°45.0'N, LONG 06°14.0'W.
N a. 3196 miles, 313.1°T Y b. 3214 miles, 046.9°T N c. 3219 miles, 042.5°T N d. 3231 miles, 041.4°T 458: Determine the great circle distance and initial course from LAT 38°42.0'N, LONG 09°10.5'W to LAT 32°05.0'N, LONG 81°05.0'W.
N a. 3402.0 miles, 072.5°T N b. 3412.6 miles, 085.8°T N c. 3432.0 miles, 278.3°T Y d. 3449.4 miles, 287.2°T 557: The south shore of Long Island Sound near your position is __________.
N a. high with numerous cliffs Y b. fringed with rock shoals N c. backed by marshes and wooded uplands N d. low and marshy 624: You are on a voyage from San Diego, CA, to New York, NY. The distance from pilot to pilot is 4860 miles. The speed of advance is 15.0 knots. You estimate 18 hours for bunkering at Colon, and 14 hours for the Panama Canal transit. If you take departure at 0836 hours (ZD +7), 4 July, what is your ETA (ZD +4) at New York?
N a. 0336, 20 July N b. 0036, 19 July N c. 0336, 19 July Y d. 0736, 19 July 628: You are on a voyage from Valdez, AK, to the Panama Canal. The distance from pilot to pilot is 4950 miles. The speed of advance is 15.0 knots. You estimate a layover in San Francisco, CA, of 36.0 hours. If you take departure at 0800 (ZD +10), 29 October, what is your ETA (ZD +5) at the Panama Canal?
Y a. 1900, 13 November N b. 1400, 13 November N c. 1400, 14 November N d. 0900, 13 November 1143: Which town is located at mile 663.5 AHP?
N a. Friers Point Y b. Helena N c. St. Francis N d. Rodney 1193: On 26 September , your 0830 zone time DR position is LAT 23°04.0'N, LONG 129°16.0'E. Your vessel is on course 119°T at a speed of 20.0 knots. What is the zone time of local apparent noon (LAN)?
N a. 1158 N b. 1205 Y c. 1210 N d. 1214 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 1228: As you pass under the Natchez-Vidalia Dual Bridge, the gage on the bridge reads 8.9 ft. If the highest point on your vessel is 54 ft. above the water, what is your vertical clearance?
Y a. 63.1 feet N b. 65.3 feet N c. 67.2 feet N d. 122.0 feet 1255: On 12 June , your 0400 ZT DR position is LAT 22°31.0'N, LONG 31°45.0'W. You are on course 240°T at a speed of 16.5 knots. What will be the zone time of sunrise at your vessel?
N a. 0507 N b. 0515 Y c. 0523 N d. 0645 1273: At 1544 zone time, on 5 October , your DR position is LAT 25°00'N, LONG 60°15'W. You are steering 270°T at a speed of 6.8 knots. What is the zone time of sunset?
N a. 1728 N b. 1737 N c. 1741 Y d. 1745 1653: On 28 Sept. , in DR position LAT 24°12.0'S, LONG 85°25.0'E, you observe an amplitude of the Sun. The Sun's center is on the visible horizon and bears 094°psc. The chronometer reads 11h 29m 42s and is 03m 30s slow. Variation in the area is 4°W. What is the deviation of the magnetic compass?
N a. 1.5°W N b. 2.1°W N c. 1.8°E Y d. 2.4°E 1768: The Natchez Gage reads 14.5 feet. The high point on your towboat is 47 feet above the water. What is the vertical clearance as you pass under the Natchez - Vidalia Highway Bridge?
N a. 58.0 feet Y b. 64.5 feet N c. 72.5 feet N d. 78.6 feet 1772: What is your ETA at the Fulton Gage?
N a. 1405, 12 Sept N b. 1052, 12 Sept N c. 0828, 12 Sept Y d. 0204, 12 Sept 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 1860: On 22 March , your 1834 ZT DR position is LAT 26°13.5'S, LONG 108°36.5'W. You observe an unidentified star bearing 077°T, at an observed altitude (Ho) of 43°10.5'. The chronometer reads 01h 32m 37s and is 01m 50s slow. What star did you observe?
N a. Regulus N b. Menkar N c. Rigel Y d. Alphard 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 2008: On 24 July , your 1912 zone time DR position is LAT 24°28.0'N, LONG 73°46.5'W. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time?
N a. Fomalhaut, Rigel, Pollux N b. Arcturus, Acrux, Hadar Y c. Spica, Altair, Alioth N d. Vega, Deneb, Regulus 2158: On 26 May , your vessel's 1906 zone time position is LAT 27°16.0'N, LONG 24°37.0'W. At that time, a sextant observation of the planet Jupiter was made. The sextant altitude is 63°27.6', and the chronometer reads 09h 05m 16s. The index error is 5.2' on the arc, and the chronometer error is 01m 25s slow. Your height of eye is determined to be 52.6 feet. What is the (Zn) of this sight using the assumed position?
N a. 011.3°T Y b. 168.7°T N c. 191.3°T N d. 348.7°T 2532: At 0715, on March 9, you pass Knox Landing GagE C313.8 AHP) and estimate the current will average 3.5 mph for the remainder of the time on the Mississippi River. What is your ETA at the mouth of the Ohio River if you increase speed to turn for 10 mph?
N a. 0640, 11 March N b. 0554, 12 March Y c. 0943, 13 March N d. 1242, 13 March 2662: You are on course 006°T, speed 16.6 knots. At 0516 you see a light bearing 008°T at a range of 10.2. If you change course at 0528 to leave the light abeam to port at 1.0 mile,
at what time will the light be abeam?
Y a. 0553 N b. 0556 N c. 0604 N d. 0607 2863: Your vessel is underway on a course of 115°T at 18 knots. At 1850 a lighthouse bears 137.5°T. At 1920, the same lighthouse bears 160°T. What time will the lighthouse pass abeam to starboard?
N a. 1929 Y b. 1941 N c. 1949 N d. 1955 2908: Your vessel is on a course of 223°T at 17 knots. At 1323 a lighthouse bears 318° relative. At 1341 the same lighthouse bears 287° relative. What is your distance off the lighthouse at 1341?
N a. 4.3 miles N b. 5.1 miles Y c. 6.6 miles N d. 7.8 miles 3267: Your vessel arrives in port with sufficient fuel to steam 726 miles at 16 knots. If you are unable to take on bunkers, at what speed must you proceed to reach your next port, 873 miles distant?
Y a. 14.6 knots N b. 15.1 knots N c. 16.3 knots N d. 16.8 knots 3289: While steaming at 17.0 knots, your vessel consumes 382 barrels of fuel oil per day. In order to reduce consumption to 223 barrels of fuel oil per day, what is the maximum speed the vessel can turn for?
N a. 9.9 knots N b. 11.8 knots N c. 13.0 knots Y d. 14.2 knots 3464: You are underway on course 315°T at 14 knots. The current is 135°T at 1.9 knots. What is the course being made good?
N a. 130°T Y b. 315°T N c. 317°T N d. 322°T 3771: Two beacons form a range in the direction of 221.5°T. The range is seen in line from your vessel bearing 223° per gyro compass. The variation in the area is 4°E. What is the error of your gyro compass?
Y a. 1.5°W N b. 2.5°W N c. 5.5°W N d. 2.5°E 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 11102: What is the velocity of the first PM (Daylight Savings Time) maximum ebb current at Plum Gut on 10 August 1983?
N a. 3.3 knots N b. 4.0 knots N c. 4.5 knots Y d. 5.4 knots 11407: At 1930 your GPS position is LAT 41°00.5'N, LONG 72°49.5'W. At 2018 your position is LAT 41°08.6'N, LONG 72°41.6'W. What was your true course and speed made good?
N a. 219° at 10.1 knots N b. 214° at 12.5 knots Y c. 036° at 12.6 knots N d. 039° at 11.2 knots 11906: Your position is 3 miles due east of Montauk Point Light. What is the course to steer to arrive at LAT 41°00.0'N, LONG 71°30.0'W, if you are turning for 8.7 knots, the current is 130° at 1.2 knots, and a northerly wind causes 3° of leeway?
N a. 112°T N b. 108°T N c. 105°T Y d. 102°T 12309: You sight North Dumpling Island Light in line with Latimer Reef Light (LAT 41°18.2'N, LONG 71°56.0'W) bearing 089° per standard magnetic compass. If your vessel was heading 297° per standard magnetic compass at the time, which of the following is TRUE?
N a. The deviation table is correct for that heading. N b. The deviation equals the variation. Y c. You should swing your vessel to check the deviation table. N d. The compass error is 13°W for all bearings of 089°psc. 12509: You are on course 027° per magnetic compass when you take the following bearings per magnetic compass: New Point Comfort Light "2" 253°
Horn Harbor Entrance Light HH 282°
Wolf Trap Light 348°
What is the position of the fix?
N a. LAT 37°19.4'N, LONG 76°09.5'W N b. LAT 37°19.4'N, LONG 76°09.8'W N c. LAT 37°19.7'N, LONG 76°10.3'W Y d. LAT 37°19.7'N, LONG 76°09.9'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 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 15264: At 1100, your position is LAT 41°11.3'N, LONG 72°28.0'W. You are steering a course of 069°T to leave Black Point one mile off your port beam. It has been reported that the Long Sand Shoal Buoys and Hatchett Reef Buoys are off station. What will serve to keep your vessel in safe water and away from these hazards?
N a. Maintaining a 7 nm range off Orient Point Y b. Danger bearing to Black Point of not more than 064°T N c. A bearing to Little Gull Island Light of not less than 090° N d. A distance to Saybrook Breakwater Light of not less than 1.3 miles 15413: From your 1915 fix you come right and steer a course of 200°T. At 2000, your position is LAT 37°05.5'N, LONG 76°07.0'W. Your intention is to pass through Chesapeake Channel. If there are no set and drift, what course would you steer per standard magnetic compass to make good a course of 145°T?
N a. 134° N b. 139° N c. 151° Y d. 156° 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. 15644: At 2045 You take the following set of bearings:
Watch Hill Point Light bears 005° true
Montauk Point Light bears 350° true
Determine your 2103 fix.
Y a. LAT 41°09.2'N, LONG 71°52.5'W N b. LAT 41°09.1'N, LONG 71°52.2'W N c. LAT 41°09.0'N, LONG 71°52.9'W N d. LAT 41°08.8'N, LONG 71°52.5'W 16259: You are on track from the anchorage to point A. At 0250, Great Machipongo Inlet Light "5" (37°21.8'N, 75°43.7'W) bears 279°pgc. At 0320, the light bears 320°pgc. What is the position of your 0320 running fix if you are making good 6.5 knots?
Y a. LAT 37°18.10'N, LONG 75°39.55'W N b. LAT 37°18.10'N, LONG 75°39.30'W N c. LAT 37°18.00'N, LONG 75°39.75'W N d. LAT 37°17.95'N, LONG 75°39.95'W 16316: At 0900, the current is flooding in a direction of 350°T at 1.2 knots. If your engines are turning RPMs for 9 knots, which course should you steer per standard magnetic compass to make good a course of 297° true?
Y a. 302°psc N b. 311°psc N c. 317°psc N d. 319°psc 16459: What is the course to steer per gyro compass from the anchorage to point "A" if easterly winds are causing 3° of leeway?
N a. 178°pgc Y b. 181°pgc N c. 185°pgc N d. 189°pgc 16520: Which chart should you use to enter Great Salt Pond?
N a. 13214 N b. 13205 Y c. 13217 N d. 13207 16616: 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. 0.7 mile Y b. 0.9 mile N c. 1.1 miles N d. 1.2 miles 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.