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.
111: As you pass Solitude Lt. (mile 249.0 AHP) which dayboard would you see?
N a. Green square Y b. Green diamond N c. Red triangle N d. Red diamond 115: After passing Wilkinson Lt. (mile 310.0 AHP) you see a flashing amber light on the right descending bank ahead. The flashing light indicates that you should __________.
N a. stay in the deepest water N b. slow down due to dredging operations N c. keep as close to the right descending bank as safety permits Y d. keep as close to the left descending bank as safety permits 298: You have just passed York River Entrance Channel Lighted Buoys "13" and "14". The chart shows a light approximately 1.0 mile off your port beam with a light characteristic "Fl 6 sec". What is the name of this light?
Y a. York Spit Light N b. New Point Comfort Shoal Light N c. Mobjack Bay Entrance Light N d. York River Entrance Channel Light "1" 402: A vessel at LAT 38°36'N, LONG 11°36'W, heads for a destination at LAT 24°16'N, LONG 71°52'W. Determine the true course and distance by Mercator sailing.
N a. 236.4°T, 2,916.9 miles N b. 254.4°T, 2,916.9 miles Y c. 254.4°T, 3,203.6 miles N d. 285.6°T, 3,203.6 miles 1187: On 17 March , your 0800 zone time DR position is LAT 21°27.0'N, LONG 65°25.0'W. Your vessel is on course 105°T at a speed of 17.5 knots. What is the zone time of local apparent noon (LAN)?
N a. 1210 N b. 1218 Y c. 1225 N d. 1231 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 1262: On 27 September , your 0345 ZT DR position is LAT 26°18.0'S, LONG 4°18.0'W. You are on course 271°T at a speed of 15 knots. What will be the zone time of sunrise at your vessel?
N a. 0525 N b. 0545 N c. 0555 Y d. 0605 1281: On 2 January , you are on a course of 094°T at a speed of 20 knots. At 0430 ZT, your DR position is LAT 24°12'N, LONG 71°24'W. Determine the zone time of sunrise.
Y a. 0627 N b. 0636 N c. 0644 N d. 0701 1341: What is the distance from the River Cement Co. Dock to the mouth of the Ohio River?
N a. 718.8 miles Y b. 780.8 miles N c. 953.5 miles N d. 981.5 miles 1425: At 1227, on 19 October, you pass under the Greenville Highway Bridge (mile 531.3 AHP). What speed must you average to arrive at Jimmy Hawken Light (mile 663.5 AHP) at 0930 the following day?
N a. 5.2 mph N b. 5.6 mph N c. 5.9 mph Y d. 6.3 mph 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 1678: On 2 January , your vessel's 1948 zone time position is LAT 21°42'S, LONG 39°12'W, when an amplitude of the Sun is observed. The Sun's center is on the celestial horizon and bears 260° per standard magnetic compass. Variation in the area is 19°W. The chronometer reads 10h 44m 36s and is 03m 24s slow. What is the deviation of the standard magnetic compass?
Y a. 4.3°E N b. 4.3°W N c. 5.1°E N d. 5.1°W 1705: What is the mile point of the Rosedale, MS Gage?
N a. 554.2 AHP Y b. 592.2 AHP N c. 632.5 AHP N d. 663.0 AHP 1761: What is the length of the trip?
Y a. 887.9 miles N b. 878.9 miles N c. 851.9 miles N d. 726.0 miles 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 2017: On 2 February , your 0400 zone time DR position is LAT 24°14.0'N, LONG 163°28.0'W. You are on course 322°T at a speed of 22 knots. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time?
Y a. Saturn, Antares, Rasalhague N b. Jupiter, Saturn, Polaris N c. Saturn, Polaris, Zubenelgenubi N d. Jupiter, Spica, Denebola 2216: If your vessel is making turns for 7.5 mph with an estimated average current of 1.5 mph, what is your ETA at the dock in Angelina, LA?
N a. 0516, 28 Dec Y b. 1621, 28 Dec N c. 0516, 29 Dec N d. 1621, 29 Dec 2247: At 1845 zone time, on 17 March , while taking stars for an evening fix, you observe an unidentified star bearing 200°T at an observed altitude of 53°45.0'. Your DR position at the time of the sight is LAT 25°10.0'N, LONG 66°48.0'W. The chronometer time of the sight is 10h 47m 49s, and the chronometer error is 1m 54s fast. Your vessel is steaming on a course of 290°T at a speed of 18.0 knots. What star did you observe?
N a. Altair N b. Mirfak N c. Pollux Y d. Rigel 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) 2582: From your 1750 GPS position at LAT 41°15.6'N, LONG 072°11.5'W, you plot a course of 255°T at 8.5 kts. At what time would you see Falkner Island Light, if visibility is 10 miles?
N a. 1819 Y b. 1850 N c. 1910 N d. 1917 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 2694: While on a course of 152°T, a light bears 9° on the port bow at a distance of 11.6 miles. What course should you steer to pass 3 miles abeam of the light leaving it to port?
N a. 153° Y b. 158° N c. 163° N d. 167° 3253: You have steamed 925 miles at 13.5 knots, and consumed 181 tons of fuel. If you have 259 tons of usable fuel remaining, how far can you steam at 16 knots?
N a. 795 miles Y b. 942 miles N c. 1117 miles N d. 1409 miles 3311: You have steamed 162 miles and consumed 14.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 285 miles?
Y a. 24.6 tons N b. 34.7 tons N c. 43.3 tons N d. 54.8 tons 3318: While steaming at 12 knots, your vessel burns 45 tons of fuel per day. What will be the rate of fuel consumption if you decrease speed to 11.5 knots?
N a. 31 tons/day N b. 36 tons/day Y c. 40 tons/day N d. 43 tons/day 3469: You are underway on course 315°T at 14 knots. The current is 135°T at 1.9 knots. What is the speed being made good?
Y a. 12.1 knots N b. 13.5 knots N c. 14.0 knots N d. 15.9 knots 4005: 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 magnetic compass heading of 022°.
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. 1.5°E N b. 0.5°E Y c. 0.0° N d. 0.5°W 10100: Your GPS position is LAT 36°59.0'N, LONG 75°48.6'W. What is the course per standard magnetic compass to a position one mile south of Cape Charles Buoy "14" (which is positioned at LAT 37°07.4'N, LONG 75°41.0'W)?
Y a. 045°psc N b. 049°psc N c. 053°psc N d. 057°psc 10309: You are 3 miles due east of Montauk Point Light. What is the course per standard magnetic compass to LAT 41°00.0'N, LONG 71°30.0'W?
N a. 108°psc Y b. 122°psc N c. 124°psc N d. 130°psc 11702: You are eastbound in the Thimble Shoal Channel. What is the true heading to steer if the engines are turning for 9.5 knots, the current is 110°T at 1.2 knots, and a southerly wind causes 3° of leeway?
Y a. 111° N b. 108° N c. 105° N d. 100° 13009: Your 1830 position is LAT 41°05.4'N, LONG 72°59.4'W. You are making turns for 9 knots. What is your ETA at Mattituck Inlet?
Y a. 2044 N b. 2052 N c. 2059 N d. 2106 13900: The trapezoidal shaped areas enclosed by a thin broken magenta line and located along the south coast of Long Island are __________.
N a. designated training areas for Navy amphibious craft N b. disposal areas for unexploded munitions Y c. fish trap areas N d. anchorage areas for small craft 14402: You are underway and proceeding in an easterly direction on the Columbia River. Your vessel is positioned in the right outside quarter of McGowans Channel and is abeam of light No. 88. What should your fathometer read at this position, if the staff gauge at Portland reads + 15.0 feet?
N a. 22 feet N b. 31 feet N c. 43 feet Y d. 52 feet 15019: At 2215, Cape Henry Light bears 242°pgc, Cape Charles Light bears 010.5°pgc, and Chesapeake Channel Tunnel North Light bears 319°pgc. You are heading 271°pgc. What is the relative bearing of Thimble Shoal Light?
N a. 280° N b. 332° Y c. 014° N d. 017° 15113: At 1845, you obtain the following bearings:
Old Plantation Flats Light bearing 251° true
New Point Comfort Light bearing 334° true
Your latitude is __________.
N a. 37°10.7'N N b. 37°10.9'N N c. 37°11.0'N Y d. 37°11.2'N 15207: What is the maximum allowable speed of vessels underway up river from Tue Marshes Light?
N a. 6 knots N b. 8 knots N c. 10 knots Y d. 12 knots 15212: 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 2001, you obtain the following information:
Chesapeake Channel Tunnel North Light - 131°pgc;
Thimble Shoal Light - 248°pgc
What were the set and drift between 1930 and 2001?
N a. 127° at 1.1 knot Y b. 127° at 0.5 knot N c. 307° at 1.1 knot N d. 307° at 0.5 knot 15518: From your 1930 position, you plot a course to pass 0.5 mile due south of Race Rock Light. If your vessel's speed is 10.0 knots, the current's set and drift are 040°T at 1.8 knots, and a north wind produces a 3° leeway, what true course should you steer to make good your desired course?
N a. 275°T Y b. 280°T N c. 290°T N d. 294°T 15630: The area between Island 67 Upper Light (mile 623.1 AHP) and Sunflower Cut-off Foot Light (mile 624.8 AHP) is known as a __________.
N a. transit N b. chute Y c. crossing N d. slough 15668: At 0839, Montauk Pt. Light is bearing 205°T at a radar distance of 6.6 miles. What is your speed made good from your 0815 position?
N a. 8.2 knots Y b. 9.2 knots N c. 10.0 knots N d. 10.5 knots 15757: If you change course at 0610, what is the course to steer per gyro compass to a point where Little Gull Island Light bears 180°T at 0.7 mile (Point "A")?
N a. 072°pgc Y b. 076°pgc N c. 080°pgc N d. 084°pgc 15908: At 0740, you obtain the following radar information:
Branford Reef Light bearing 250° true @ 2.55 nm
What is your position?
N a. LAT 41°12.6'N, LONG 72°51.3'W N b. LAT 41°12.6'N, LONG 72°51.8'W Y c. LAT 41°12.4'N, LONG 72°51.5'W N d. LAT 41°12.3'N, LONG 72°52.0'W 15909: From your 0740 position, you change course to pass 1.1 miles north of Falkner Island Light. What loran reading will ensure that you will remain clear of the 18' shoal located 1 mile NW of Falkner Island Light?
N a. 9960 W: not less than 14942 N b. 9960 X: not more than 26452 Y c. 9960 Y: not less than 44013 N d. None of the above 16113: After you enter Thimble Shoal Channel, you will alter course to pass between Trestle "A" and "B". Which channel should you use?
N a. Thimble Shoal Main Channel or the South Auxiliary Channel N b. Any of the channels but keep to the right hand side Y c. The South Auxiliary Channel N d. Thimble Shoal Main Channel 16117: What is the distance from your 0731 fix to Wilmington, N.C.
(LAT 34°14.0'N, LONG 77°57.0'W)?
Y a. 339 miles N b. 363 miles N c. 402 miles N d. 486 miles 16139: From your 1930 position, you set a course of 150°T. Your engine speed is 13 knots. What will be your distance off Valiant Rock Bell Buoy "1A" when abeam, if you make good your true course of 150°?
N a. 0.8 mile Y b. 1.0 miles N c. 1.2 miles N d. 1.4 miles 16269: On either side of York River Entrance Channel, there are areas bounded by short - long magenta lines and marked by yellow buoys. These areas are __________.
Y a. fish trap areas N b. designated anchorages N c. spoil areas N d. naval exercise areas 16417: You are encountering heavy weather. What action should you take based on your 1430 fix?
Y a. Alter course to the right, to pass well clear of Southwest Ledge. N b. Continue on the same course at the same speed. N c. Slow to 8.3 knots to compensate for the current. N d. Continue on the same course but increase speed. 16506: At 0630, you pass Buoy "PI" close abeam on the starboard side. You are steering 078°T and are headed directly toward Race Rock Light. At 0654, Little Gull Island Light is bearing 207°T and Race Rock Light is bearing 072°T. What is your 0654 position?
Y a. LAT 41°14.0'N, LONG 72°05.3'W N b. LAT 41°14.2'N, LONG 71°54.6'W N c. LAT 41°14.4'N, LONG 72°06.8'W N d. LAT 41°19.0'N, LONG 72°05.2'W 16509: At 0705, with your gyro again functioning properly, you change course to 096°T. At this time Race Rock Light is bearing 000°T at 0.35 mile. You are now governed by which Navigation Rules?
N a. Inland Rules N b. Local Pilot Rules Y c. International Rules N d. Coastal Fishery Rules 16514: At 0815, Montauk Pt. Light House is bearing 167°T,
Shagwong Pt. has a radar range of 4.5 miles, and Cerberus Shoal "9" Buoy is bearing 284°T. If the engine is making turns for 10 knots, what was the set and drift of the current since 0748?
N a. Set 065°T, drift 1.1 knots N b. Set 065°T, drift 2.4 knots N c. Set 245°T, drift 1.1 knots Y d. Set 245°T, drift 2.4 knots 16514: At 0815, Montauk Pt. Light House is bearing 167°T,
Shagwong Pt. has a radar range of 4.5 miles, and Cerberus Shoal "9" Buoy is bearing 284°T. If the engine is making turns for 10 knots, what was the set and drift of the current since 0748?
N a. Set 065°T, drift 1.1 knots N b. Set 065°T, drift 2.4 knots N c. Set 245°T, drift 1.1 knots Y d. Set 245°T, drift 2.4 knots