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.

42: What is the distance from Greenville, MS, to St. Louis, MO, on the Mississippi River System?
194: At 2100, you alter course to 250°T and reduce speed to 7 knots. You enter the traffic separation scheme on the inbound side. At 2200, your fix shows you crossing a broken purple line on the chart, and you observe North Chesapeake Entrance Lighted Gong Buoy "NCD" to port. This area is __________.
218: If there is no current, what is the course per gyro compass from your 1600 position to point A located 0.5 mile due east of Hog Island Lighted Bell Buoy "12"?
256: At 0209, your position is LAT 41°01.8'N, LONG 72°40.8'W. What course should you steer per standard magnetic compass to make good 278° magnetic? (assume no set and drift) 

    N a. 262.0°psc
    N b. 265.0°psc
    N c. 270.5°psc
    Y d. 275.5°psc
331: You leave York Spit Channel at buoy "14" at 0600 with an engine speed of 12 knots. You receive orders to rendezvous with the tug "Quicksilver" and her tow at Hog Island Bell Buoy "12". What is your ETA at the rendezvous point, if you pass through Chesapeake Channel to buoy "CBJ", through the outbound traffic separation lane to buoy "NCA" (LL#375), and then to the rendezvous point? 

    N a. 0935
    Y b. 0910
    N c. 0850
    N d. 0830
338: You passed Cape Henry Light at 0730 outbound at maximum flood. What approximate current can you expect on entering Chesapeake Channel? 

    N a. Slack before ebb
    N b. Slack before flood
    Y c. Flood current
    N d. Ebb current
363: 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
    N c. Thimble Shoal Main Channel
    Y d. The South Auxiliary Channel
407: You depart LAT 34°22'S, LONG 18°23'E, and steam 3174 miles on course 282°T. What is the longitude of your arrival by Mercator sailing? 

    Y a. LONG 40°33.5'W
    N b. LONG 40°19.5'W
    N c. LONG 40°18.2'W
    N d. LONG 40°17.3'W
547: 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 100°T, at 2.8 knots, and you are turning for 12.0 knots, what course (pgc) should you steer? 

    N a. 267°pgc
    Y b. 263°pgc
    N c. 255°pgc
    N d. 250°pgc
686: The Vaucluse Trench fill revetment on the LMR extends from mile __________. 

    Y a. 535.6 - 532.9 RDB
    N b. 535.9 - 534.3 RDB
    N c. 535.9 - 534.3 LDB
    N d. 534.3 - 532.6 LDB
976: On 7 November , your 0830 zone time position was LAT 27°36.0'N, LONG 162°19.0'W. Your vessel was steaming on course 289°T at a speed of 19.0 knots. An observation of the Sun's lower limb was made at 0945 ZT. The chronometer read 08h 43m 11s and was slow 01m 51s. The observed altitude (Ho) was 38°21.1'. Local Apparent Noon (LAN) occurred at 1138 zone time. The observed altitude (Ho) was 45°35.0'. What was the longitude of your 1200 zone time running fix? 

    Y a. 163°38.8'W
    N b. 163°34.0'W
    N c. 163°30.2'W
    N d. 163°26.0'W
1001: On 26 July , your 1030 ZT DR position is LAT 18°25'N, LONG 51°15'W. You are on course 231°T, speed 15 knots. Determine your 1200 position using the following observations of the Sun.

ZONE TIME GHA DECLINATION Ho
1228 50°23.5' N 19°21.9' 88°14.3'
1236 52°23.5' N 19°21.8' 88°29.0' 

    N a. LAT 18°00.9'N, LONG 51°31.9'W
    N b. LAT 18°03.5'N, LONG 51°36.2'W
    Y c. LAT 18°07.2'N, LONG 51°30.4'W
    N d. LAT 18°10.6'N, LONG 51°25.1'W
1086: On 15 July , your vessel is enroute from Portland, OR, to Singapore, Malaysia. You are steering course 243°T and making a speed of 16 knots. Your 1845 zone time DR is LAT 27°42.0'N, LONG 167°02.0'E. You observed 3 celestial bodies. Determine the latitude and longitude of your 1945 running fix. NP-0016

    Y a. LAT 27°31.1'N, LONG 166°43.0'E
    N b. LAT 27°38.5'N, LONG 166°45.1'E
    N c. LAT 27°45.3'N, LONG 166°32.2'E
    N d. LAT 28°18.1'N, LONG 166°39.8'E
1175: On 12 February , your 0900 zone time DR position is LAT 16°43.0'N, LONG 51°42.0'W. Your vessel is on course 093°T at a speed of 18.5 knots. What is the zone time of local apparent noon (LAN)? 

    Y a. 1237
    N b. 1233
    N c. 1230
    N d. 1226
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
1244: 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? 

    Y a. 1621, 28 Dec
    N b. 2203, 28 Dec
    N c. 0516, 29 Dec
    N d. 1621, 29 Dec
1280: On 27 March , your 0330 zone time DR position is LAT 23°32'N, LONG 154°47'E. Your vessel is on a course of 105°T at a speed of 20 knots. What will be the zone time of sunrise at your vessel? 

    Y a. 0534
    N b. 0557
    N c. 0612
    N d. 0624
1564: As you approach Dean Island Light (mile 754.8 AHP), which type of daymark will be observed at the light? 

    N a. Green triangle
    N b. Red and green banded square
    N c. Green square daymark
    Y d. Diamond-shaped green daymark
1770: What are the light characteriditcs of the Bunge Corporation Terminal Lights (2) at mile 570.6 AHP? 

    N a. a group flashing white light every five seconds
    N b. a flashing green light every 4 seconds
    Y c. a flashing green light every 6 seconds
    N d. a flashing red light every 4 seconds
2003: On 20 June , your 1742 zone time DR position is LAT 24°55.0'S, LONG 8°19.6'E. Considering their magnitude, azimuth, and altitude, which three stars are best suited for a fix at star time? 

    Y a. Regulus, Canopus, Antares
    N b. Spica, Arcturus, Alioth
    N c. Arcturus, Achernar, Pollux
    N d. Avior, Sabik, Fomalhaut
2027: At 0645, on the 17th of April, you pass Hole in the Wall Lt. (mile 373.4 AHP). What has been your average speed since departing the Exxon Refinery? 

    N a. 5.8 mph
    Y b. 6.3 mph
    N c. 6.7 mph
    N d. 7.1 mph
2106: At 0005, on 26 January, your position is LAT 41°11.8'N,
LONG 72°20.5'W. From this position, you plot a course to steer to a point one half mile north of Mattituck Breakwater Light "MI" with an engine speed of 9.0 knots. If there are no set and drift, what course should you steer? 

    N a. 207°psc
    N b. 213°psc
    N c. 220°psc
    Y d. 235°psc
2326: The Coast Guard announces that Chesapeake Channel is closed indefinitely due to a collision in the channel between Trestle "B" and "C" of the Chesapeake Bay Bridge and Tunnel. You exit York Spit Channel, leaving buoy "22"
close abeam to port at 0.1 mile, and alter course to leave Horseshoe Crossing Lighted Bell Buoy "HC" abeam to port at 0.2 mile. What is the course per gyrocompass? 

    Y a. 185°pgc
    N b. 188°pgc
    N c. 191°pgc
    N d. 194°pgc
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
3455: You wish to make good a course of 230°T while turning for an engine speed of 12.5 knots. The set is 180°T, and the drift is 1.7 knots. What course should you steer? 

    N a. 244°T
    Y b. 236°T
    N c. 231°T
    N d. 222°T
3610: While enroute from Sydney to the Panama Canal a vessel's true course is 071°. Variation is 14°E. Deviation is 4°W. A northerly breeze causes 2° leeway. What course would you steer psc in order to make good the true course? 

    Y a. 059°psc
    N b. 061°psc
    N c. 063°psc
    N d. 079°psc
3652: The true course between two points is 023°T. Your gyrocompass has an error of 1°W and you make an allowance of 4° leeway for an east wind. What gyro course should be steered to make the true course good? 

    N a. 020°pgc
    N b. 021°pgc
    N c. 026°pgc
    Y d. 028°pgc
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
12201: Your vessel is steady on a heading of 203° per standard magnetic compass when you sight New Haven Light and New Haven Outer Channel Range Front Light in line over the stern. This information indicates that the __________. 

    N a. existing deviation table is correct for this heading
    N b. compass error is 17°W
    Y c. deviation table is in error for this heading
    N d. deviation is 1°E
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
12604: You are on course 082° per standard magnetic compass (psc) when you take the following bearings: New London Ledge Light - 036.5°psc Little Gull Island Light - 157.0°psc Saybrook Break Water Light - 294.5°psc What is your position? 

    N a. LAT 41°02.3'N, LONG 72°04.5'W
    N b. LAT 41°09.5'N, LONG 72°07.1'W
    Y c. LAT 41°13.6'N, LONG 72°07.5'W
    N d. LAT 41°14.1'N, LONG 72°12.8'W
13902: A vessel enroute to Long Island Sound from sea will enter waters governed by the Inland Rules of the Road __________. 

    N a. when crossing the Territorial Sea boundary
    N b. between Montauk Point and Block Island
    N c. when north of latitude 41°10.0'N
    Y d. when passing through The Race
15265: Orient Point Light is __________. 

    N a. lighted only during daytime when the sound signal is in operation
    N b. maintained only from May 1 to Oct 1
    N c. 64 feet (19.4 meters) above mean low water
    Y d. lighted throughout 24 hours
15510: From your 1800 position you steer a course of 350°psc at a speed of 10.0 knots. At 1830, your position is LAT 41°11.7'N, LONG 71°45.8'W. What are the set and drift of the current? 

    N a. 029°T, 0.7 knot
    Y b. 029°T, 1.4 knots
    N c. 209°T, 0.7 knot
    N d. 209°T, 1.4 knots
15612: At 1920, Cape Henry Light bears 225°pgc, and Chesapeake Channel Tunnel North Light bears 288°pgc. If your heading is 268°T, what is the relative bearing of Chesapeake Light? 

    N a. 194°
    N b. 205°
    Y c. 213°
    N d. 220°
15617: Your height of eye is 25 feet (7.6 meters). If the visibility is 5.5 nautical miles, what is the luminous range of Wolf Trap Light? 

    Y a. 7.5 miles
    N b. 12.0 miles
    N c. 16.0 miles
    N d. 17.0 miles
15661: At 0727, the cupola on Fishers Island is in line with Latimer Reef Light bearing 024°pgc. Based on this, the gyro error is __________. 

    N a. 2°E
    N b. 1°E
    N c. 0°
    Y d. 3°W
15718: Your vessel is entering New London Harbor Channel. If there is no current, what should you steer per gyro compass to stay on the range? 

    Y a. 351°
    N b. 354°
    N c. 357°
    N d. 006°
15745: Your 2239 position is LAT 41°08.5'N, LONG 71°53.3'W. You change course to 315°T, and you maintain RPM's for 9 knots. At 2329 Little Gull Island Light bears 253°T, Race Rock Light bears 309°T, and Watch Hill Point Light bears 058°T. What were the set and drift of the current you experienced from your 2239 position? 

    N a. 076°T at 0.75 knot
    N b. 076°T at 0.90 knot
    N c. 256°T at 0.75 knot
    Y d. 256°T at 0.90 knot
15808: At 0005, on 26 January, your position is LAT 41°11.8'N,
LONG 72°20.5'W. From this position, you plot a course to steer to a point one half mile north of Mattituck Breakwater Light "MI" with an engine speed of 9.0 knots. If there are no set and drift, what course should you steer? 

    N a. 207°psc
    N b. 213°psc
    N c. 220°psc
    Y d. 235°psc
15856: What type of bottom is found at Long Sand Shoal? 

    N a. Rocky
    Y b. Hard
    N c. Sandy
    N d. Muddy
15862: At 0125, you change course to make good 280°T. What is the course per standard magnetic compass? 

    N a. 290°psc
    Y b. 292°psc
    N c. 294°psc
    N d. 296°psc
16270: The wind is northerly and will cause 2° leeway. The current is 018° at 0.5 knot. If your engines are turning for 8.0 knots. What should you steer to remain in York River Entrance Channel? 

    N a. 304°T
    N b. 306°T
    Y c. 309°T
    N d. 314°T
16568: 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 8.0 knots, the current's set and drift are 040°T at 1.4 knots,
and a south wind produces a 3° leeway, what true course should you steer to make good your desired course? 

    Y a. 275°T
    N b. 280°T
    N c. 290°T
    N d. 294°T