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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 232: At 0700, Stratford Shoal Middle Ground Light bears 137°pgc. From your radar, you get a bearing of 007°pgc to the south tip of Stratford Point with a range of 4.5 miles. What is your 0700 position?
N a. LAT 41°04.6'N, LONG 73°07.0'W N b. LAT 41°04.6'N, LONG 73°06.6'W N c. LAT 41°04.6'N, LONG 73°07.4'W Y d. LAT 41°04.6'N, LONG 73°07.2'W 333: From your noon position, if there is no set and drift, what is your course per standard magnetic compass to the "NCA" (LL #375) buoy?
N a. 221°psc N b. 219°psc Y c. 217°psc N d. 215°psc 453: Determine the great circle distance and initial course from LAT 08°36.0'N, LONG 126°17.0'E to LAT 02°12.0'S, LONG 81°53.0'W.
N a. 9015 miles, 067°T N b. 9076 miles, 067°T N c. 9105 miles, 079°T Y d. 9076 miles, 079°T 464: Determine the great circle distance and initial course from LAT 33°53.3'S, LONG 18°23.1'E to LAT 40°27.0'N, LONG 73°49.4'W.
N a. 6648.0 miles, 298.7°T N b. 6743.5 miles, 302.7°T N c. 6750.8 miles, 235.5°T Y d. 6763.0 miles, 304.5°T 674: What are the dimensions of the Port Allen Lock at Baton Rouge, LA?
N a. 75 feet x 1188 feet Y b. 84 feet x 1188 feet N c. 84 feet x 1180 feet N d. 75 feet x 1180 feet 823: On 15 October , an ex-meridian altitude of the Sun's lower limb at upper transit was observed at 1146 ZT. Your DR position is LAT 22°42.0'N, LONG 139°52.0'E, and your sextant altitude (hs) is 58°30.4'. The index error is 3.4' on the arc, and your height of eye is 56.7 feet. The chronometer time of the observation is 02h 45m 06s, and the chronometer error is 01m 06s slow. Find the latitude at meridian transit from the ex-meridian observation.
N a. LAT 22°29.1'N Y b. LAT 22°35.2'N N c. LAT 22°58.1'N N d. LAT 23°20.6'N 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 1214: It is 25 February and you are keeping zone time +4. You are on course 283°T, speed 22 knots. Your 0900 DR position is LAT 29°10.3'N, LONG 72°04.9'W. What is the time of the second estimate of LAN by ship's clocks?
N a. 13h 08m 56s Y b. 13h 08m 02s N c. 12h 41m 36s N d. 12h 07m 56s 1414: What is the mile point of the Fulton Gage?
N a. 598 AHP N b. 632 AHP N c. 687 AHP Y d. 778 AHP 1457: On 25 August , your 1926 zone time DR position is LAT 24°17.0'S, LONG 05°47.0'W. At that time, you observe Fomalhaut bearing 117°psc. The chronometer reads 07h 26m 52s, and the chronometer error is 00m 15s fast. The variation is 1.5°E. What is the deviation of the standard magnetic compass?
N a. 0.2°W N b. 0.4°E N c. 1.3°W Y d. 2.8°W 1470: On 1 March , your 2135 zone time DR position is LAT 23°54.0'N, LONG 63°22.0'W. At that time, you observe Schedar bearing 328°psc. The chronometer reads 01h 35m 16s, and the chronometer error is 00m 07s slow. The variation is 3.5°E. What is the deviation of the standard compass?
N a. 2.3°E N b. 2.5°W Y c. 3.2°W N d. 4.2°E 1712: What is the distance from Cairo Point, IL, to Arkansas City?
N a. 28 miles N b. 110 miles N c. 218 miles Y d. 400 miles 1839: What are the dimensions of the channel maintained from Baton Rouge to New Orleans, LA?
N a. 30 feet x 300 feet N b. 40 feet x 300 feet N c. 30 feet x 500 feet Y d. 45 feet x 500 feet 2004: On 28 February , your 1850 zone time DR position is LAT 27°49.0'N, LONG 159°24.0'W. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time?
Y a. Rigel, Schedar, Regulus N b. Sirius, Mirfak, Elnath N c. Hamal, Alkaid, Canopus N d. Bellatrix, Vega, Regulus 2124: If the visibility is 10 miles and you are in the red sector, at what distance off should you sight Cape Henry Light?
Y a. 15 miles N b. 12 miles N c. 10 miles N d. 08 miles 2176: On 9 November , at 0426 ZT, your position was LAT 25°17.0'S, LONG 154°16.0'E. Your vessel is steaming at 14.0 knots on course 066°T. A sextant observation of the Sun's lower limb is made at 0837 ZT. The chronometer reads 10h 35m 21s, and the sextant altitude (hs) is 50°26.9'. The index error is 1.5' on the arc, and the chronometer error is 01m 48s slow. Your height of eye on the bridge is 56.0 feet. What is the observed altitude (Ho) and azimuth (Zn) of this sight using the assumed position?
N a. 50°18.1', 086.3°T N b. 50°18.1', 093.7°T Y c. 50°33.5', 085.9°T N d. 50°33.5', 093.7°T 2333: You observe the lower limb of the Sun at a sextant altitude (hs) of 37°47.2' on 11 October . The index error is 3.0' off the arc. The height of eye is 63 feet (19.2 meters). What is the observed altitude (Ho)?
N a. 37°25.2' N b. 37°42.5' N c. 37°51.5' Y d. 37°57.5' 2684: You are steering 173°T, and a light is picked up dead ahead at a distance of 13.9 miles at 0054. You change course to pass the light 4.5 miles off abeam to port. If you are making 21 knots, what is your ETA at the position 4.5 miles off the light?
N a. 0122 N b. 0125 Y c. 0131 N d. 0134 2695: You are underway on course 017°T at a speed of 14.2 knots.
You sight a buoy bearing 025°T at a radar range of 3.7 miles at 1947. If you change course at 1953, what is the course to steer to leave the buoy abeam to starboard at 0.1 mile?
N a. 021°T N b. 024°T Y c. 027°T N d. 030°T 2910: Your vessel is steaming on a course of 140°T at 15 knots. At 1530 a lighthouse bears 200°T. At 1550 it bears 249°T. What is your distance from the lighthouse at 1550?
N a. 1.15 miles N b. 4.60 miles N c. 5.45 miles Y d. 5.75 miles 3085: You must average 16.25 knots to reach port at a designated time. Your propeller has a pitch of 21'08", and you estimate 4% negative slip. How many RPM's must you average to arrive on time?
Y a. 73 RPM N b. 77 RPM N c. 82 RPM N d. 88 RPM 3099: The propellers on your twin screw vessel have a pitch of 16'04". What is the distance in a day's run if the average RPM is 94, and you estimate 7% positive slip?
Y a. 338.3 miles N b. 389.3 miles N c. 676.6 miles N d. 778.6 miles 3294: Your vessel consumes 268 barrels of fuel per day at a speed of 19.0 knots. What will be the fuel consumption of your vessel at 15.0 knots?
Y a. 132 bbls N b. 167 bbls N c. 212 bbls N d. 243 bbls 3612: Your vessel is steering 195° per standard magnetic compass. Variation for the area is 13°W, and the deviation is 4°E. The wind is from the west-southwest, producing a 2° leeway. Which true course are you making good?
N a. 178°T N b. 180°T N c. 182°T Y d. 184°T 3623: Your vessel is steering course 166°psc, variation for the area is 8°W, and deviation is 3°W. The wind is from the west-southwest, producing a 2° leeway. What true course are you making good?
Y a. 153°T N b. 157°T N c. 175°T N d. 179°T 3637: You desire to make good a true course of 347°. The variation is 11°E, magnetic compass deviation is 7°W, and gyrocompass error is 4°W. A north by east wind produces a 4° leeway. What is the course to steer per standard magnetic compass to make the true course good?
N a. 339°psc N b. 343°psc Y c. 347°psc N d. 351°psc 3644: While enroute from Cape Town to Rio a vessel's course is 281°pgc. The variation for the locality is 24°W. The deviation is 4°E. The gyro error is 2°W. What is the true course made good?
Y a. 279°T N b. 261°T N c. 301°T N d. 283°T 4008: You swung ship and compared the magnetic compass against the gyro compass to find deviation. Gyro error is 2°E. The variation is 8°W. Find the deviation on a gyro heading of 037°.
HEADING HEADING HEADING
PSC PGC PSC PGC PSC PGC
358.5° - 350° 122.5° - 110° 239.5° - 230°
030.5° - 020° 152.0° - 140° 269.0° - 260°
061.5° - 050° 181.0° - 170° 298.0° - 290°
092.0° - 080° 210.0° - 200° 327.5° - 320°
Y a. 1.0°W N b. 1.5°W N c. 1.5°E N d. 2.0°E 11308: At 1919 your position is LAT 37°00.0'N, LONG 75°30.0'W. At 2011 your position is LAT 36°59.5'N, LONG 75°44.9'W. What was the speed made good?
Y a. 13.7 knots N b. 12.0 knots N c. 11.6 knots N d. 10.9 knots 11503: At 1016 your GPS position is LAT 41°07.6'N, LONG 71°37.9'W. At 1104 your position is LAT 41°00.2'N, LONG 71°29.4'W. What was the true course made good between the two positions?
N a. 134°T Y b. 139°T N c. 143°T N d. 145°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 15038: At 0705 you obtained the following Loran readings:
9960-X-27091.2
9960-Y-41612.8
9960-Z-58744.2
What is your vessel's position?
N a. 37°20.4'N 75°30.2'W Y b. 37°20.8'N 75°29.9'W N c. 37°21.3'N 75°29.5'W N d. 37°21.2'N 75°30.4'W 15419: The mean high water level at Old Point Comfort is __________.
Y a. 2.6 feet (0.8 meters) N b. 1.2 feet (0.4 meters) N c. 0.0 feet N d. -3.5 feet (-1.1 meters) 15538: At 2127 you take the following round of bearings:
Old Field Point Light 224.0°pgc
Middle Ground Light 320.5°pgc
Stratford Point Light 348.0°pgc
Based on the above fix, which statement is TRUE?
Y a. At 2127, your fathometer reads about 17 fathoms. N b. You are south of Mt. Misery Shoal. N c. You will experience a 1 knot westward setting ebb current N d. You have lost sight of the red light at Old Field Point. 15567: Point Judith Harbor of Refuge __________.
N a. is used mostly by towing vessels N b. has a maximum depth of 14 feet (4.3 meters) at MHW N c. West Gap has a controlling depth of 24 feet Y d. is entered through the East Gap or the West Gap 15618: If you want a more detailed chart of the area at your 2115 DR position, which chart should you use?
N a. 12222 Y b. 12224 N c. 12225 N d. 12238 15660: At 0728, Race Rock Light is bearing 282°T at 3.8 miles,
and the closest point on Fishers Island has a radar range of 2.1 miles. What speed have you been making since you changed course at 0705?
N a. 11.2 knots N b. 10.8 knots Y c. 9.6 knots N d. 9.1 knots 15720: The red sector of New London Harbor Light covers from __________.
N a. 040° - 310° Y b. 000° - 041° N c. 208° - 220° N d. 204° - 239° 15767: Which statement describes the shore between Watch Hill Point and Point Judith?
N a. Low, rocky cliffs with heavily wooded hills inland Y b. Sandy beaches broken by rocky points N c. Sand dunes and beaches with a mud and sand bottom N d. Wooded, barren hills with isolated prominent buildings 16342: At 2302 you fix your position at LAT 40°57.8'N, LONG 71°39.3'W. What current have you experienced since your 2209 fix?
Y a. 105°T at 1.0 knot N b. 105°T at 0.9 knot N c. 285°T at 1.0 knot N d. 285°T at 0.9 knot 16342: At 2302 you fix your position at LAT 40°57.8'N, LONG 71°39.3'W. What current have you experienced since your 2209 fix?
Y a. 105°T at 1.0 knot N b. 105°T at 0.9 knot N c. 285°T at 1.0 knot N d. 285°T at 0.9 knot 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. 16411: You get underway at 1030. The wind is out of the SSE and you estimate 3° leeway. What course should you steer per gyrocompass to make good a desired course of 075°T?
N a. 074°pgc N b. 076°pgc N c. 078°pgc Y d. 080°pgc 16413: At 1104, Watch Hill Point Light is in line with Stonington Outer Breakwater Light, the range to the south tip of Watch Hill Point is 2.6 miles and the range to the beach is 1.9 miles. You are steering to make good 075°T, speed 10.0 knots. At 1110, you change course to head for a position of LAT 41°05.0'N, LONG 71°50.0'W. What is the true course?
N a. 185° N b. 187° Y c. 190° N d. 193° 16442: The area bounded by the buoys "C51" to "C47A" to "M6" to "M14", west of your anchorage, is __________.
N a. a training area for naval small craft N b. restricted to oil and mineral exploration N c. an anchorage for ammunition barges Y d. a fish trap area