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.
68: The river will be temporarily closed to navigation at mile 531.3 AHP due to repairs to the bridge. This will occur at 1300, 5 January, and last for six hours. What minimum speed over the ground must you make from Red River Landing Gage in order not to be delayed?
N a. 7.3 mph N b. 6.8 mph Y c. 6.4 mph N d. 6.0 mph 86: As you approach Shreves cut-off you see Red River Landing Gage (mile 302.4 AHP) which reads 6.2 feet. Which of the following statements is TRUE?
N a. This reading is 6.2 feet above the Low Water Reference Plane. Y b. This reading is at the same elevation as the 6.2 ft. mark on the Gage at Head of Passes. N c. The depth of water at Red River Landing is 6.2 ft. N d. A vessel drawing 7 ft. would be able to pass through the locks at Lower Old River. 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 257: 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 110°T, at 2.8 knots, and you are turning for 12.0 knots, what course (pgc) should you steer?
N a. 252°pgc N b. 257°pgc N c. 265°pgc Y d. 271°pgc 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 456: 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?
N a. LAT 41°13.6'N, LONG 72°03.3'W Y b. LAT 41°14.0'N, LONG 72°05.3'W N c. LAT 41°14.7'N, LONG 72°06.8'W N d. LAT 41°19.0'N, LONG 72°05.2'W 457: Determine the great circle distance and initial course from LAT 31°57.0'S, LONG 115°52.0'E to LAT 24°47.0'N, LONG 66°59.0'E.
N a. 4516 miles, 134.5°T Y b. 4407 miles, 314.5°T N c. 4402 miles, 319.5°T N d. 4378 miles, 336.8°T 507: At 0112, you are on course 124°T and turning for 12.0 knots. What course will you make good if the current is 255°T at 1.2 knots?
N a. 118° N b. 120° Y c. 129° N d. 132° 521: The coastline between Point Judith and Watch Hill is __________.
N a. steep with rocky bluffs Y b. sandy and broken by rocky points N c. low and marshy N d. heavily forested 523: At what time will you cross the 60 foot curve if you make good 12 knots?
N a. 0544 N b. 0541 N c. 0534 Y d. 0528 638: What is the mile point of the Fulton Gage?
Y a. 778 AHP N b. 687 AHP N c. 632 AHP N d. 598 AHP 687: What is the distance from Cairo,IL, to Parkersburg, WV?
Y a. 795 miles N b. 733 miles N c. 597 miles N d. 537 miles 729: On 24 September , your 1841 zone time DR position is LONG 129°34.5'E. At that time you observe Polaris with a sextant altitude (hs) of 25°20.8'. The chronometer time of the sight is 09h 38m 12s, and the chronometer error is 03m 12s slow. The index error is 4.3' off the arc, and the height of eye is 52 feet (15.9 meters). What is your latitude by Polaris?
N a. 24°28.1'N N b. 25°16.0'N Y c. 25°37.6'N N d. 25°42.3'N 1191: On 14 October , your 0800 ZT DR position is LAT 28°22.0'N, LONG 161°17.0'E. Your vessel is on course 116°T at a speed of 17.5 knots. What is the ZT of local apparent noon (LAN)?
N a. 1142 N b. 1148 N c. 1152 Y d. 1156 1211: It is 15 July and you are keeping +7 zone time. You are on course 095°, speed 16 knots. Your 0800 DR position is LAT 25°39.4'N, LONG 129°46.2'W. What is the time of the second estimate of LAN by ship's clocks?
N a. 13h 40m 17s Y b. 13h 38m 26s N c. 12h 42m 20s N d. 12h 38m 20s 1279: At 0327 ZT, on 29 May , your DR position is LAT 25°00'N, LONG 64°15'W. You are steering 270°T at a speed of 13.6 knots. What is the zone time of sunrise?
N a. 0521 Y b. 0529 N c. 0536 N d. 0548 1801: What is the distance from the Amoco Docks at Baton Rouge, LA, to the new mouth of the White River?
N a. 981.5 miles N b. 953.5 miles Y c. 345.3 miles N d. 700.2 miles 1916: On 14 January , your 1922 DR position is LAT 27°18.5'S, LONG 67°18.0'E. You observe an unidentified star bearing 250°T at an observed altitude (Ho) of 31°01.2'. The chronometer reads 03h 25m 43s, and is 03m 15s fast. Which star did you observe?
N a. Elnath Y b. Fomalhaut N c. Pollux N d. Markab 1953: You are downbound when you observe on your Mississippi River map a circel with black and white quadrants on the left bank. This indicates a __________.
Y a. river gage N b. daymark N c. control tower N d. information board 2116: At 0300, your position is LAT 41°01.7'N, LONG 72°55.1'W. From this position you steer a course of 289° per standard magnetic compass at an engine speed of 10.0 knots. At what time can you first expect to see Stratford Shoal Middle Ground Light if the luminous range is 8.0 miles?
Y a. 0303 N b. 0309 N c. 0312 N d. 0318 2700: You are underway on course 163°T at a speed of 15.8 knots.
You sight a buoy bearing 161°T at a radar range of 5.5 miles at 1319. If you change course at 1325, what is the course to steer to leave the buoy abeam to starboard at 1.0 mile?
Y a. 145°T N b. 148°T N c. 151°T N d. 175°T 2712: What is the length of the trip?
N a. 720.8 miles N b. 777.4 miles Y c. 897.2 miles N d. 906.3 miles 2867: Your vessel is on a course of 144°T at 20 knots. At 0022 a light bears 117.5°T, and at 0035 the light bears 099°T.
At what time and at what distance off will your vessel be when abeam of the light?
N a. 0044, 3.2 miles Y b. 0048, 4.3 miles N c. 0052, 5.1 miles N d. 0056, 6.0 miles 2906: You are steaming on a course of 211°T at 17 knots. At 0417 a light bears 184°T, and at 0428 the same light bears 168°T. What is the distance off the light at 0428?
N a. 3.4 miles N b. 4.6 miles Y c. 5.1 miles N d. 5.6 miles 3054: The propeller on a vessel has a diameter of 22.8 feet and a pitch of 19.3 feet. What would be the apparent slip if the vessel cruised 287 miles in a 24 hour day (observed distance) at an average RPM of 67?
N a. -6.3% Y b. +6.3% N c. -24.0% N d. +24.0% 3063: The observed distance for a day's run was 302.7 miles. The propeller had a pitch of 20'06", and the average RPM was 67. What was the slip?
N a. +0.7% N b. -0.7% Y c. +7.0% N d. -7.0% 3110: You are turning 78 RPM, with a propeller pitch of 21 feet, and an estimated slip of -7%. What is the speed of advance?
N a. 14.9 knots N b. 15.7 knots Y c. 17.3 knots N d. 17.8 knots 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 3642: You are steering 154° per gyrocompass. The wind is northeast by east, causing 4° leeway. The gyro error is 3° east, variation is 11° west, and deviation is 7°E. What is the true course made good?
N a. 151°T N b. 158°T Y c. 161°T N d. 164°T 4013: 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 gyro heading of 039°.
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. 0.8°E N b. 0.0° N c. 0.5°W Y d. 1.0°W 10306: 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°40.0'W?
N a. 145.5°psc Y b. 142.5°psc N c. 138.5°psc N d. 127.0°psc 10506: At 0919 your position is LAT 37°00.0'N, LONG 75°30.0'W. You are on course 270°T at 8.7 knots. At 1031 your position is LAT 36°59.5'N, LONG 75°44.9'W. What was the set and drift?
N a. 239° at 0.8 knot Y b. 252° at 1.3 knots N c. 060° at 0.7 knot N d. 073° at 1.2 knots 11700: What is the true heading to steer outbound in Thimble Shoal Channel if your engines are turning for 8.0 knots, the current is 050°T at 1.0 knot and a northerly wind causes 3° of leeway?
Y a. 111°T N b. 104°T N c. 101°T N d. 098°T 12309: You sight North Dumpling Island Light in line with Latimer Reef Light (LAT 41°18.2'N, LONG 71°56.0'W) bearing 089° per standard magnetic compass. If your vessel was heading 297° per standard magnetic compass at the time, which of the following is TRUE?
N a. The deviation table is correct for that heading. N b. The deviation equals the variation. Y c. You should swing your vessel to check the deviation table. N d. The compass error is 13°W for all bearings of 089°psc. 14602: Where would you tune your radio to receive a VHF-FM weather broadcast for the Columbia River in the vicinity of Government Island?
N a. KIH-32 - 162.40 MHz N b. KBA-99 - 162.40 MHz Y c. KEB-97 - 162.55 MHz N d. KEC-62 - 162.55 MHz 15025: What is the mile point of the Arkansas City Gage?
Y a. 554.1 AHP N b. 556.8 AHP N c. 560.0 AHP N d. 562.8 AHP 15160: At 1815, your position is LAT 37°01.0'N, LONG 75°42.7'W. If there is no current, what is the course per standard magnetic compass to arrive at a point 0.3 mile due north of North Chesapeake Entrance Lighted Whistle Buoy "NCA"?
N a. 249.0°psc N b. 251.5°psc N c. 255.0°psc Y d. 257.0°psc 15169: At 2123, your position is LAT 37°20.0'N, LONG 76°03.0'W. What is your distance offshore of Savage Neck?
Y a. 1.7 miles N b. 2.5 miles N c. 3.6 miles N d. 10.9 miles 15208: At 1750, your position is LAT 37°14.5'N, LONG 76°22.9'W. What was the course made good between 1730 and 1750?
N a. 072°T N b. 075°T Y c. 078°T N d. 080°T 15230: What is the distance from Cairo Point, IL, to Arkansas City?
N a. 28 miles N b. 110 miles N c. 292 miles Y d. 400 miles 15242: From your 1155 position, you steer a course of 282°T at a speed of 9.5 knots. You obtain the following bearings:
1205: Falkner Island Light bears 318°T
1225: Falkner Island Light bears 355°T
Your 1225 running fix is __________.
N a. north of your intended track N b. 3.1 miles SSW of Falkner Island Light N c. ahead of the DR position Y d. south of your intended track 15409: At 1540, your position is LAT 37°18.4'N, LONG 76°10.5'W. Which course should you steer per gyrocompass to head for the entrance to Cape Charles City?
N a. 109°pgc N b. 117°pgc N c. 123°pgc Y d. 129°pgc 15641: You will pass through the Race at approximately the time of maximum ebb current. As you APPROACH the Race from New London, you will be set __________.
Y a. to the left of the track line N b. to the right of the track line N c. forward along the track line N d. towards New London along the track line 15706: 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°07.4'W Y c. LAT 41°04.7'N, LONG 73°07.2'W N d. LAT 41°04.8'N, LONG 73°07.0'W 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 16007: If the visibility is 11 miles, what is the earliest time you can expect to see New Haven Light?
N a. The light is visible at 0352. N b. 0414 Y c. 0443 N d. You will not sight the light. 16064: At 2015, your vessel is at the Chesapeake Bay Bridge and Tunnel midway between buoys "13" and "14". If the height of tide is -1 foot (-.3 meter). What is the approximate depth under the keel?
N a. 51 feet (15.5 meters) Y b. 45 feet (13.6 meters) N c. 40 feet (12.1 meters) N d. 35 feet (10.6 meters) 16318: What true course and speed did you make good between 0730 and 0900?
N a. 273°T, 8.7 knots Y b. 277°T, 8.4 knots N c. 279°T, 8.0 knots N d. 284°T, 7.5 knots 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 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 16620: You sight Bartlett Reef Light in line with New London Harbor Light bearing 043°pgc. You are heading 088°pgc and 098.5° per standard magnetic compass at the time of the observation. Which statement is TRUE?
N a. The true heading at the observation was 090°. Y b. The deviation is 1.5°E by observation. N c. The magnetic compass error is 9.5°W. N d. The gyro error is 2°E. 16646: The Tidal Current Tables indicate the following for the Race:
SLACK WATER MAXIMUM CURRENT
0328 0642 3.9 F
0947 1301 3.2 E
What current should you expect when transiting the Race?
N a. 3.9 knots, flooding Y b. 3.5 knots, flooding N c. 3.3 knots, flooding N d. 3.0 knots, flooding 16706: At 0520, you take the following observations:
Point Judith Light 032°pgc
Point Judith Harbor of Refuge
Main Breakwater Center Light 308°pgc
What is the position of your 0520 fix?
N a. LAT 41°20.8'N, Long 71°30.3'W Y b. LAT 41°20.8'N, Long 71°29.7'W N c. LAT 41°20.6'N, Long 71°30.0'W N d. LAT 41°20.5'N, Long 71°29.8'W 16739: What is the earliest time you should sight Montauk Point Light (nominal range - 24 miles) if you are turning for 9.2 knots? Visibility is 5 nautical miles.
Y a. The light is visible at 2212 N b. 2221 N c. 2243 N d. You will not sight the light on this course. 20107: You are steaming at 19 knots and burning 440 barrels of fuel per day. You must decrease your consumption to 137 barrels per day. What must you reduce your speed to in order to burn this amount of fuel?
N a. 18.2 N b. 14.8 Y c. 12.9 N d. 11.1