USCG Navigation Problems: Master's License

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.

91: At 0305 on 18 April, you pass under the Greenville Bridge (mile 531.3 AHP). What was your average speed since departing Amoco Pipeline Co. Docks (mile 253.6 AHP)?
99: What is the mile point of the Rosedale Gage?
270: At 0830, you wish to get the latest weather forecasts for the Falkner Island area. On what frequency would you set your FM radio for this information?
278: The National Weather Service provides 24 hour weather broadcasts to vessels transiting the Chesapeake Bay Bridge Tunnel area on which frequency? 

    Y a. 162.55 MHz
    N b. 162.85 MHz
    N c. 181.15 MHz
    N d. 202.35 MHz
367: What is the distance from your 0731 fix to Wilmington, N.C. (LAT 34°14.0'N, LONG 77°57.0'W)? 

    N a. 486 miles
    N b. 402 miles
    N c. 363 miles
    Y d. 339 miles
383: From point "A", you lay out an intended track line to a point where Block Island North Light bears 180°T at 2.9 miles (Point "B"). What is the length of this leg of the voyage? 

    Y a. 24.4 miles
    N b. 23.9 miles
    N c. 23.7 miles
    N d. 20.4 miles
394: A vessel at LAT 38°03.0'S, LONG 49°38.0'W, heads for a destination at LAT 41°26.0'S, LONG 38°32.0'W. Determine the true course by Mercator sailing. 

    Y a. 111.5°T
    N b. 113.5°T
    N c. 158.5°T
    N d. 160.5°T
477: The great circle distance from LAT 08°50.0'N, LONG 80°21.0'W to LAT 12°36.0'N, LONG 128°16.0'E is 8664 miles, and the initial course is 306.6°T. Determine the latitude of the vertex. 

    Y a. 37°30.2'N
    N b. 37°39.6'N
    N c. 37°48.2'N
    N d. 37°53.6'N
652: On a voyage via the southern tip of Nova Scotia (LAT 43°20'N, LONG 65°35'W) you wish to sail the shortest route to La Coruna, Spain (LAT 43°20'N, LONG 8°24'W). Which of the following will require you to plot a composite sailing? (Use gnomonic tracking chart WOXZC 5274) 

    N a. Shoals extending 15 miles from Sable Island
    N b. Sea ice reported 68 miles ESE of St. John's, Newfoundland
    Y c. Icebergs reported extending west to west-northwest from  LAT 47°00'N, LONG 35°00'W
    N d. Naval exercises using live ammunition being conducted within a 150 mile radius of LAT 49°00'N, LONG 20°00'W
681: At 0119, on 10 September, you pass Springfield Bend Lt. (mile 244.8 AHP) and estimate the current will average 2.5 mph for the remainder of your trip. What is your ETA at the mouth of the Ohio River if you are making turns for 8.5 mph? 

    N a. 1746, 12 September
    N b. 1244, 13 September
    N c. 1244, 14 September
    Y d. 2329, 14 September
727: On 11 February , your 1832 zone time DR position is LONG 110°52.6'W. At that time you observe Polaris with a sextant altitude (hs) of 26°19.8'. The chronometer time of the sight is 01h 34m 56s, and the chronometer error is 02m 16s fast. The index error is 2.7' off the arc, and the height of eye is 60.2 feet. What is your latitude by Polaris? 

    Y a. 25°27.2'N
    N b. 25°34.2'N
    N c. 26°27.2'N
    N d. 26°34.2'N
727: On 11 February , your 1832 zone time DR position is LONG 110°52.6'W. At that time you observe Polaris with a sextant altitude (hs) of 26°19.8'. The chronometer time of the sight is 01h 34m 56s, and the chronometer error is 02m 16s fast. The index error is 2.7' off the arc, and the height of eye is 60.2 feet. What is your latitude by Polaris? 

    Y a. 25°27.2'N
    N b. 25°34.2'N
    N c. 26°27.2'N
    N d. 26°34.2'N
1119: At 2142, on January 3, you pass Sebastapol Light (mile 283.3 AHP). At 0137, January 4, you pass Fort Adams Light(311.4 AHP). You have been turning for 9.0 mph. What was the current? 

    N a. 4.2 mph
    N b. 3.3 mph
    N c. 2.7 mph
    Y d. 1.8 mph
1268: On 25 December , your 0330 ZT DR position is LAT 25°15.0'N, LONG 32°16.0'W. You are on course 145°T at a speed of 20 knots. What will be the zone time of sunrise at your vessel? 

    N a. 0623
    N b. 0635
    N c. 0641
    Y d. 0647
1282: On 1 November , your 1600 zone time DR position is LAT 27°48'S, LONG 91°26'E. Your vessel is on a course of 327°
T at a speed of 16 knots. What will be the zone time of sunset at your vessel? 

    Y a. 1813
    N b. 1821
    N c. 1829
    N d. 1836
1299: What is the length of the trip? 

    N a. 405.8 miles
    Y b. 904.0 miles
    N c. 1002.0 miles
    N d. 1136.8 miles
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
1408: The horizontal clearance of the center span on the Baton Rouge RR and Highway 190 Bridge is __________. 

    N a. 443
    N b. 500
    Y c. 623
    N d. 748
1478: On 12 June , at 0919 zone time, your position is LAT 26°52'N, LONG 84°34'W. The chronometer reads 03h 17m 00s. Chronometer error is 01m 40s slow. At that time, an azimuth of the Sun is obtained. The bearing is 089.5° per standard magnetic compass. Variation for this area is 4.5°E. What is the deviation of the standard magnetic compass? 

    N a. 9.5°E
    N b. 9.5°W
    N c. 5.2°E
    Y d. 5.2°W
1774: You pass New Madrid, MO (mile 889.0 AHP) at 1412. What was your average speed since leaving Cairo? 

    Y a. 8.0 mph
    N b. 7.8 mph
    N c. 7.6 mph
    N d. 7.3 mph
1778: At 2234 ZT, on 14 July , in DR position LAT 34°03'N, LONG 150°16'W you observe an amplitude of Saturn. The planet is about one Sun's diameter above the visible horizon and bears 272.1°pgc. The variation is 14°E. What is the gyro error? 

    N a. 0.5°W
    N b. 0.5°E
    Y c. 1.5°W
    N d. 2.5°E
2001: On 3 February , your 0451 zone time DR position is LAT 24°15.0'S, LONG 124°24.0'W. Considering their magnitude, azimuth and altitude, which group includes the three bodies best suited for a fix at star time? 

    Y a. Alphard, Denebola, Acrux
    N b. Spica, Venus, Procyon
    N c. Jupiter, Dubhe, Antares
    N d. Mars, Arcturus, Spica
2165: On 25 February , at 0622 ZT, you observe the upper limb of the Moon with a sextant altitude of 59°58.6'. Your DR position is LAT 30°28.3'S, LONG 102°39.3 E. The chronometer reading at the time of the sight is 11h 21m 18s and the chronometer is 48s slow. The height of eye is 59 feet and the index error is 2.5' on the arc. What are the azimuth (Zn) and intercept (a) of this sight using the assumed position? 

    Y a. Zn 305.4°, a 4.2°T
    N b. Zn 234.6°, a 4.2° A
    N c. Zn 305.4°, a 1.5°T
    N d. Zn 305.4°, a 9.2°T
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
2292: In addition to those found in the Coast Pilot, information concerning anchorage regulations for this area may be obtained from __________. 

    N a. Chesapeake Bay Port Authority, Hampton VA
    N b. Virginia - Maryland Pilots Association
    N c. Commanding General, Corps of Engineers, Washington, D.C.
    Y d. Office of the Commander 5th Coast Guard District
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
2718: What organization has an installation at the uppermost end of Carthage Revetment? 

    N a. City of Natchez (waterfront)
    Y b. River Cement Co.
    N c. J.M. Jones Lumber
    N d. International Paper Co.
2909: You are running coastwise at 14 knots. You sight a lighthouse abeam at 0912. At 0939 the lighthouse is 4 points abaft the beam. What is your distance off at the second bearing? 

    N a. 5.5 miles
    N b. 6.3 miles
    N c. 7.8 miles
    Y d. 8.9 miles
3071: If the speed necessary for reaching port at a designated time is 20.7 knots and the pitch of the propeller is 23.8 feet, how many revolutions per minute will the shaft have to turn, assuming a 3% negative slip? 

    N a. 74
    N b. 79
    Y c. 86
    N d. 98
3622: Your vessel is steering a course of 337°psc. Variation for the area is 13°W, and deviation is 4°E. The wind is from the south, producing a 3° leeway. Which true course are you making good? 

    N a. 325°T
    N b. 328°T
    Y c. 331°T
    N d. 349°T
3628: Your vessel is steering course 352°psc, variation for the area is 11°E, and deviation is 9°W. The wind is from the northeast, producing a 1° leeway. What true course are you making good? 

    N a. 349°T
    N b. 351°T
    Y c. 353°T
    N d. 355°T
10302: Determine the course per standard magnetic compass from Cerberus Shoal Buoy 9 (LAT 41°10.4'N, LONG 71°57.1'W) to a position 0.2 mile south of Race Rock Light (LAT 41°14.6'N, LONG 72°02.8'W). 

    Y a. 326.5°psc
    N b. 324.0°psc
    N c. 298.5°psc
    N d. 296.0°psc
10704: At 2038 your position is LAT 41°09.2'N, LONG 71°40.6'W. You are on course 301° per standard magnetic compass at 7.2 knots. At 2152 your position is LAT 41°11.3'N, LONG 71°48.6'W. What were the set and drift? 

    N a. 080°T at 1.0 knot
    Y b. 096°T at 2.0 knots
    N c. 261°T at 1.2 knots
    N d. 277°T at 0.9 knot
11001: What time will high water occur at Saybrook Jetty on the morning of 29 October 1983? 

    N a. 0145
    N b. 0255
    Y c. 0405
    N d. 0920
11704: What is the true heading to steer in York River Entrance Channel if your engines are turning for 10.2 knots, the current is 220°T at 1.2 knots and a southwesterly wind causes 3° of leeway? 

    N a. 316°T
    Y b. 313°T
    N c. 309°T
    N d. 300°T
11707: 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 turning for 7.8 knots, the current is 139°T at 1.3 knots, and a northwesterly wind is causing 3° of leeway? 

    N a. 290.0°psc
    Y b. 286.0°psc
    N c. 283.5°psc
    N d. 280.5°psc
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
15011: Assume set and drift have no effect on your vessel. If you change course to 187°pgc from your 1950 position, how close will you pass Cape Charles Lighted Bell Buoy "14"? 

    N a. 0.1 mile
    N b. 0.5 mile
    Y c. 1.1 mile
    N d. 1.7 miles
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
15141: At 2146 your position is 40°51.3'N, 71°59.2'W. If your engine speed has been 13 knots, what were the set and drift of the current you encountered since your 2100 position? 

    N a. 115°true at 1.1 knots
    N b. 115°true at 1.5 knots
    N c. 295° true at 1.1 knots
    Y d. 295°true at 1.5 knots
15159: From your 1715, fix you steer 214°T at 12 knots. At 1800,
you take the following bearings:

Cape Charles Light bearing 296° true
Cape Henry light bearing 242° true

Your 1800 position is __________. 

    N a. LAT 37°02.8'N,  LONG 75°43.9'W
    Y b. LAT 37°02.9'N,  LONG 75°43.1'W
    N c. LAT 37°03.0'N,  LONG 75°43.3'W
    N d. LAT 37°03.1'N,  LONG 75°42.8'W
15316: What speed have you made good from 1710 to 1810? 

    N a. 4.2 knots
    N b. 4.9 knots
    N c. 5.5 knots
    Y d. 6.3 knots
15356: You are on course 092°T, and the engines are turning for 8 knots. At 0452, you take the following bearings:

Stratford Point Light 020°pgc
Stratford Shoal (Middle Ground) Light 141°pgc

What is your 0452 position? 

    N a. LAT 41°05.4'N, LONG 73°07.7'W
    Y b. LAT 41°05.2'N, LONG 73°07.8'W
    N c. LAT 41°05.2'N, LONG 73°07.5'W
    N d. LAT 41°05.1'N, LONG 73°07.7'W
15659: At 0705, 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? 

    Y a. COLREGS
    N b. Local Pilot Rules
    N c. Inland Rules
    N d. Coastal Fishery Rules
15663: At 0748, you change course to 160°T. Which loran reading will insure you clear Great Eastern Rock? 

    Y a. Nothing more than 9960-W-14645
    N b. Nothing more than 9960-X-25970
    N c. Nothing more than 9960-Y-43850
    N d. Nothing more than 9960-Y-43960
15739: Your 1900 position is LAT 40°45.5'N, LONG 72°03.0'W. Your course is 046°T, and your engines are turning RPM's for 9 knots. At your 1939 DR position, what is the expected relative bearing of Montauk Point Light on the port bow? 

    N a. 024° relative
    Y b. 028° relative
    N c. 032° relative
    N d. 036° relative
15740: At 2000 Montauk Point Light bears 010°T. At 2030 Montauk Point Light bears 348°T. Assuming that you are making good your course of 046°T and a speed of 9 knots, what is your 2030 running fix position? 

    N a. LAT 40°53.9'N,  LONG 71°51.3'W
    Y b. LAT 40°54.2'N,  LONG 71°50.2'W
    N c. LAT 40°55.9'N,  LONG 71°49.0'W
    N d. LAT 40°56.7'N,  LONG 71°48.1'W
15759: You calculate that the current will be flooding at the Race at 0700. You should expect to be set in which general direction at the Race? 

    Y a. West
    N b. East
    N c. Northeast
    N d. Southwest
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
16339: Based on your 2209 fix, which would be a warning that you are being set down on Block Island Sound South Entrance Obstruction Lighted "BIS" Buoy? 

    Y a. Decreasing loran readings on 9960-W
    N b. Visual bearings of Montauk Point Lt. changing to the left
    N c. Increasing bearings of Southeast Point Light
    N d. Decreasing soundings
16617: At 0200, you take the following bearings:

Falkner Island Light 004.5°T
Kelsey Pt. Breakwater Lt. 054.0°T
Horton Point Light 115.0°T

What were the set and drift from 0130? 

    N a. 260° at 0.5 knot
    N b. 080° at 1.0 knot
    Y c. 260° at 1.0 knot
    N d. There is no current.