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.

76: What daymark should you see as you approach Parker Landing Light (mile 924.6 AHP)?
118: Your company wants to know at what time you will be arriving at the fleeting area at Sycamore Chute Light (mile 740.3 AHP) in Memphis, TN. You are making turns for 9.0 mph and you estimate the average current at 2.2 mph. Figuring the distance and time from Hole in the Wall Lt. (mile 373.4 AHP), what is your ETA at Sycamore Chute Lt.?
142: As you approach West Memphis Lt. (mile 727.4 AHP) you notice on the map a dashed line crossing the river. This line indicates a __________.
211: You decide to use the 9960-Y and 9960-W rates. At 1915,
you obtain the following readings:

9960-Y-43936.0
9960-W-14653.3

What is your 1915 position? 

    N a. LAT 41°13.0'N, LONG 71°54.1'W
    N b. LAT 41°13.0'N, LONG 71°53.9'W
    Y c. LAT 41°13.2'N, LONG 71°53.7'W
    N d. LAT 41°13.4'N, LONG 71°53.4'W
291: What is the height above water of Davis Creek Channel Light "1"? 

    Y a. 15 feet (4.6 meters)
    N b. 17 feet (5.2 meters)
    N c. 19 feet (5.8 meters)
    N d. 24 feet (7.3 meters)
370: At 0812, you are on course 132°T. The standard magnetic compass reads 135°. What should you conclude? 

    N a. The deviation table is correct for that heading.
    N b. You should adjust the magnetic compass.
    N c. The deviation is increasing as you go south.
    Y d. Your compass may be influenced by a local magnetic disturbance.
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
465: Determine the great circle distance and initial course from LAT 34°51.0'N, LONG 115°01.2'E to LAT 10°16.0'S, LONG 51°42.6'E. 

    N a. 4436 miles, 245.3°T
    N b. 4598 miles, 245.6°T
    Y c. 4493 miles, 245.6°T
    N d. 4582 miles, 245.6°T
471: The great circle distance from LAT 35°57.2'N, LONG 05°45.7'W to LAT 24°25.3'N, LONG 83°02.6'W is 3966.5 miles and the initial course is 283.7°T. The latitude of the vertex is 38°09.4'N. What is the longitude of the vertex? 

    N a. 28°02.6'W
    Y b. 28°18.2'W
    N c. 28°46.3'W
    N d. 28°54.7'W
599: Which town is located at mile 663.5 AHP? 

    Y a. Helena
    N b. Friers Point
    N c. St. Francis
    N d. Rodney
642: Where can scheduled broadcast times of river stages be found? 

    N a. Sailing Directions
    Y b. Light List
    N c. List of Lights
    N d. Coast Pilot
1133: 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
1205: On 25 April , your 1130 DR position is LAT 24°50.0'N, LONG 61°25.0'W. Your vessel is on a course of 300°T at a speed of 16.0 knots. Determine the zone time of (LAN) for your vessel. 

    N a. 1154
    N b. 1156
    N c. 1202
    Y d. 1204
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
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
1304: At 1000, on May 11th, you are passing George Prince Lt. (mile 364.1 AHP) in Natchez, Mississippi and must send an ETA to the Monsanto Terminal in St. Louis (mile 178.0 UMR). Your engines are still turning for 8.5 mph and you estimate the current at 2.5 mph. What will be your arrival time in St. Louis? 

    N a. 1919 on 15 May
    N b. 2344 on 15 May
    N c. 1113 on 16 May
    Y d. 1757 on 16 May
1426: What is the total length of the trip? 

    N a. 910.6 miles
    N b. 901.4 miles
    N c. 900.7 miles
    Y d. 873.7 miles
1454: On 4 October , your 0734 zone time DR position is LAT 24°11.0'N, LONG 162°34.0'E. At that time, you observe the Sun bearing 105.5°psc. The chronometer reads 08h 36m 11s, and the chronometer error is 01m 46s fast. The variation is 7°W. What is the deviation of the standard compass? 

    N a. 1.2°W
    N b. 1.9°E
    N c. 5.3°W
    Y d. 5.8°E
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
1724: What is the mile point of the Natchez, MS Gage? 

    N a. 228.4 AHP
    N b. 265.4 AHP
    N c. 302.4 AHP
    Y d. 363.3 AHP
1859: On 22 March , your 0519 ZT DR position is LAT 27°20.6'N, LONG 69°25.6'W. You observe an unidentified star bearing 094°T, at an observed altitude (Ho) of 30°15.0'. The chronometer reads 10h 16m 47s and is 02m 15s slow. What star did you observe? 

    N a. Acamar
    Y b. Enif
    N c. Menkar
    N d. Rigel
1892: On 22 July , your 0442 DR position is LAT 26°35.6'N, LONG 22°16.7'W. You observe an unidentified star bearing 091°T at an observed altitude (Ho) of 64°35.2'. The chronometer reads 05h 39m 03s, and is 03m 14s slow. What star did you observe? 

    Y a. Hamal
    N b. Rigel
    N c. Menkar
    N d. Acamar
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
2328: As you pass through the Chesapeake Bay Bridge and Tunnel, you sight Trestle "B" in line bearing 018°pgc. What is the gyro error by observation? 

    N a. 2°E
    Y b. 0°
    N c. 2°W
    N d. 4°W
2710: What does the circle with black and white quadrants across from Morgan Point Landing (769.0 miles AHP) represent? 

    Y a. Gage reading
    N b. Day Beacon
    N c. Light Tower
    N d. Speed zone
3254: You have steamed 746 miles at 14.0 knots, and consumed 152 tons of fuel. If you have 201 tons of usable fuel remaining, how far can you steam at 10 knots? 

    N a. 1381 miles
    Y b. 1934 miles
    N c. 2263 miles
    N d. 2707 miles
3601: You are steering 142°pgc to make good your desired course. The gyro error is 1°E . The variation is 8°W. What should you steer by standard magnetic compass to make good the desired course?
DEVIATION TABLE MAGNETIC HEADING DEV.
120° 4°E 135° 2°E 150° 0° 

    N a. 133°psc
    N b. 146°psc
    N c. 148°psc
    Y d. 151°psc
3651: The true course between two points is 337°. Your gyrocompass has an error of 3°E and you make an allowance of 5° leeway for a west wind. Which gyro course should be steered to make the true course good? 

    Y a. 329°pgc
    N b. 335°pgc
    N c. 339°pgc
    N d. 345°pgc
3751: While proceeding up a channel on course 010° per gyro compass, you notice a pair of range lights in alignment with the masts of your vessel when viewed forward. A check of the chart shows the range to be 009°T and the variation to be 15°W. If the ship's course is 026°psc, what is the deviation for the present heading? 

    Y a. 2°W
    N b. 2°E
    N c. 1°W
    N d. 1°E
3773: Which numbered box indicates the ExxonMobil Refining & Supply Co. in Baton Rouge? 

    Y a. 1
    N b. 2
    N c. 3
    N d. 4
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
10502: At 1239 your GPS indicates a position of LAT 36°55.2'N, LONG 75°33.1'W. You are on course 281° per standard magnetic compass at a speed of 9.2 knots. At 1318 your GPS indicates your position as LAT 36°54.8'N, LONG 75°39.8'W. What were the set and drift? 

    Y a. 130°T at 1.2 knots
    N b. 156°T at 0.6 knot
    N c. 352°T at 1.3 knots
    N d. 335°T at 1.0 knot
11002: What was the height of the high water at Saybrook Jetty on the afternoon of 18 February 1983? 

    N a. 1.4 ft.
    N b. 2.0 ft.
    N c. 2.4 ft.
    Y d. 2.9 ft.
11302: At 1614 your GPS position is LAT 37°01.6'N, LONG 75°31.7'W. At 1703 your position is LAT 36°57.0'N, LONG 75°41.0'W. What was the course made good between the fixes? 

    Y a. 238°T
    N b. 242°T
    N c. 247°T
    N d. 250°T
12906: At 0919 you are in Chesapeake Channel between Trestle B and Trestle C of the Chesapeake Bay Bridge and Tunnel. What is your ETA between York River Entrance Channel Buoys "17" and "18" if you are making 11.3 knots? 

    N a. 1034
    N b. 1039
    Y c. 1044
    N d. 1049
13006: Your 1600 position is LAT 41°08.0'N, LONG 72°44.8'W. You are making turns for 14 knots. What is your ETA at Mattituck Inlet? 

    N a. 1636
    N b. 1643
    Y c. 1647
    N d. 1651
13008: Your 2215 position is LAT 41°05.4'N, LONG 72°59.4'W. You are making 15 knots. What is your ETA at Twenty-Eight Foot Shoal Lighted Buoy (LAT 41°09.3'N, LONG 72°30.5'W)? 

    N a. 2338
    Y b. 2343
    N c. 2349
    N d. 2354
13708: A note on the chart indicates that currents in excess of how many knots can be expected in the vicinity of the Chesapeake Bay Bridge and Tunnel? 

    Y a. 3.00 knots
    N b. 2.20 knots
    N c. 1.75 knots
    N d. 1.50 knots
13709: Anchorage regulations for this area may be obtained from __________. 

    Y a. Office of the Commander 5th Coast Guard District
    N b. Commanding General, Corps of Engineers, Washington, DC
    N c. Virginia - Maryland Pilots Association
    N d. Chesapeake Bay Port Authority, Hampton, VA
13901: The precautionary area southeast of Block Island refers to a __________. 

    Y a. recommended traffic lane
    N b. military exercise area
    N c. national marine refuge
    N d. dumping ground for hazardous wastes
15209: At 1800, Tue Marshes Light bears 264.5°pgc, York Spit Swash Channel Light "3" bears 007°pgc. Your position is __________. 

    N a. LAT 37°15.5'N,  LONG 76°19.8'W
    N b. LAT 37°15.2'N,  LONG 76°20.3'W
    N c. LAT 37°15.0'N,  LONG 76°20.0'W
    Y d. LAT 37°14.5'N,  LONG 76°20.1'W
15309: 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. 212°psc
    N b. 214°psc
    Y c. 216°psc
    N d. 218°psc
15367: At 0700, Falkner Island Light bears 023°pgc, and the range to the south tip of Falkner Island is 7.1 miles. What was the course made good since 0615? 

    N a. 078°T
    Y b. 081°T
    N c. 084°T
    N d. 087°T
15946: At 2132 you sight Block Island Southest Point Light in line with the Aerobeacon (rotating white and green) bearing 308.5°pgc. The helmsman reports he was heading 106°pgc and 119°psc. What is the deviation on that heading? 

    N a. 4°W
    N b. 2°W
    Y c. 2°E
    N d. 4°E
16018: At 0550, engineering repairs are complete and speed is increased to 9.6 knots. At 0630, Falkner Island Light bears 023°pgc and Horton Point Light bears 097°pgc. From your 0630 fix you steer to make good a course of 086°T while turning for 9.6 knots. At 0700, Falkner Island Light bears 336.0°pgc and Horton Point Light bears 105.5°pgc. The radar range to the south tip of Falkner Island is 5.7 miles. Which statement is TRUE? 

    N a. Your course made good from 0630 to 0700 was 082°T.
    N b. The speed made good from 0630 to 0700 was 10.1 knots.
    N c. The current from 0630 to 0700 was 279°T at 0.6 knot.
    Y d. You are making good your intended speed.
16142: At 1949 Little Gull Island Light bears 270°T and is 1.7 miles off. From this position, you change course to 118°T and increase engine speed to 18 knots. If you make good your course and speed, at what time should Shagwong Reef Lighted Bell Buoy "7SR" bear 180°T? 

    Y a. 2016
    N b. 2019
    N c. 2022
    N d. 2025
16209: You calculate that the current will be ebbing at the Race at 0700. You should expect to be set in which general direction at the Race? 

    N a. West
    N b. North
    N c. Northeast
    Y d. East
16345: Where will you cross the demarcation line between the International and Inland Rules of the Road? 

    N a. Between Montauk Point and Block Island
    Y b. In the Race
    N c. At the mouth of Bridgeport Harbor
    N d. Between Plum Gut and Niantic Bay
16362: The visibility is about 5 miles. Which statement about Cape Charles Light is TRUE? 

    N a. The light has been visible from the time you departed the anchorage.
    Y b. You should see Cape Charles Light at about 0400.
    N c. The light will become visible when you enter the inbound leg of the traffic separation scheme.
    N d. The light will not be visible until you are within 5 miles of the light.
16517: At 0815, you change course to 079°T and head for the entrance of Great Salt Pond on Block Island. To compensate for a northerly wind, you estimate a 5° leeway is necessary. What course should you steer per gyrocompass to make good 079°T? 

    N a. 079°pgc
    N b. 076°pgc
    N c. 074°pgc
    Y d. 071°pgc