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.
111: As you pass Solitude Lt. (mile 249.0 AHP) which dayboard would you see?
N a. Green square Y b. Green diamond N c. Red triangle N d. Red diamond 180: On 4 July you observe the lower limb of the Sun at a sextant altitude (hs) of 25°29.8'. The index error is 3.1' off the arc. The height of eye is 48 feet (14.6 meters). What is the observed altitude (Ho)?
N a. 25°37.1' Y b. 25°40.2' N c. 25°42.8' N d. 25°44.3' 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 __________.
N a. an area with local magnetic disturbances N b. a pilotage area Y c. a precautionary area centered on buoy "CBJ" N d. in inland waters 227: At 2037, you change course to make good a course of 016°T. There is no current, but a westerly wind is causing 3° leeway. What course per standard magnetic compass (psc) should you steer to make good the course 016°T?
Y a. 022°psc N b. 025°psc N c. 028°psc N d. 031°psc 348: At 0430, you take the following radar ranges:
Stratford Point Light @ 5.25 nm
Middle Ground Light @ 4.55 nm
What is your 0430 position?
N a. LAT 41°08.9'N, LONG 73°00.0'W N b. LAT 41°05.0'N, LONG 73°01.1'W Y c. LAT 41°05.8'N, LONG 73°00.8'W N d. LAT 41°06.5'N, LONG 73°01.4'W 425: At 0730, your position is LAT 41°10.5'N, LONG 72°32.2'W. From this position you steer course 286°psc with an engine speed of 9.0 knots. What is the approximate depth of water under your keel?
N a. 67 feet (20.3 meters) N b. 62 feet (18.8 meters) N c. 57 feet (17.3 meters) Y d. 52 feet (15.8 meters) 429: At 0820, you take the following bearings:
Falkner Island Light bearing 052°true
Branford Reef Light bearing 307°true
What are the set and drift since 0730?
N a. Set 052°T, drift 1.1 knots N b. Set 052°T, drift 1.3 knots Y c. Set 232°T, drift 1.3 knot N d. Set 232°T, drift 1.1 knots 440: By 1015, visibility has increased to 5.0 miles and you can see Fishers Island. Fishers Island has __________.
Y a. sparsely wooded hills and is fringed with shoals to the south N b. sheer cliffs rising from the sea to a high, flat plateau N c. barren, rocky hills with prominent sandy beaches N d. low and sandy beaches with salt ponds and marsh grass 440: By 1015, visibility has increased to 5.0 miles and you can see Fishers Island. Fishers Island has __________.
Y a. sparsely wooded hills and is fringed with shoals to the south N b. sheer cliffs rising from the sea to a high, flat plateau N c. barren, rocky hills with prominent sandy beaches N d. low and sandy beaches with salt ponds and marsh grass 443: 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. 193° Y b. 190° N c. 187° N d. 185° 530: You observe the planet Jupiter at a sextant altitude (hs) of 66°27.6' on 26 May . The index error is 5.2' on the arc. The height of eye is 52 feet. What is the observed altitude (Ho)?
N a. 65°39.5' N b. 65°32.8' N c. 66°27.2' Y d. 66°15.0' 532: You depart LAT 26°03'S, LONG 10°28'E, for LAT 26°03'S, LONG 01°16'W. What are the course and distance by parallel sailing?
N a. 090°T, 547.2 miles N b. 090°T, 632.5 miles N c. 270°T, 547.2 miles Y d. 270°T, 632.5 miles 678: Using gnomonic tracking chart WOXZC 5270, determine which of the following statements about a voyage from Valdez, AK, to Hilo, HI, is TRUE.
Y a. A great circle track is not significantly shorter than a rhumb line track. N b. You will cross the Northern Hemisphere vertex where the track line crosses LAT 45°N. N c. Distance is measured by using the length of a degree of longitude at the mid-latitude line. N d. When plotted on a Mercator chart, the track line will be convex to San Francisco. 815: On 13 October , your 0515 zone time fix gives you a position of LAT 26°53.0'N, LONG 90°05.0'W. Your vessel is on course 068°T, and your speed is 7.8 knots. Local apparent noon (LAN) occurs at 1145 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 54°51.5'. What is the latitude at 1200 ZT?
Y a. 27°13.3'N N b. 27°14.6'N N c. 27°15.7'N N d. 27°16.8'N 1207: On 10 July , your 0930 zone time DR position is LAT 26°31.0'S, LONG 4°41.0'E. Your vessel is on course 308°T at a speed of 22.0 knots. What is the zone time of local apparent noon (LAN)?
N a. 1144 Y b. 1149 N c. 1153 N d. 1159 1481: On 24 May , your vessel's 1000 ZT position is LAT 25°36.0'N, LONG 118°39.5'W, when you take an azimuth of the Sun. Determine the gyro error using the azimuth information.
Chronometer time: 06h 21m 48s Chronometer error: fast 01m 36s Gyro bearing: 099.4°
Variation: 11.1°E
N a. 0.3°W Y b. 1.3°W N c. 1.8°E N d. 2.4°E 1499: On 16 June , your 0430 zone time DR position is LAT 29°24.0'S, LONG 36°16.0'E. At that time, you observe Vega bearing 341.0°psc. The chronometer reads 02h 32m 06s, and the chronometer error is 01m 54s fast. The variation is 20.5°W. What is the deviation?
N a. 3.2°E N b. 3.2°W Y c. 2.4°W N d. 2.8°E 1540: You estimate the current at 2.0 mph. What is the speed over the ground?
N a. 9.5 mph Y b. 5.5 mph N c. 5.0 mph N d. 4.5 mph 1886: On 8 April , your evening DR position is LAT 22°16'N, LONG 157°58.3'W. You observe an unidentified star bearing 246°T at an observed altitude (Ho) of 58°45.5'. The chronometer reads 05h 09m 57s, and is 01m 23s slow. What star did you observe?
Y a. Betelgeuse N b. Aldebaran N c. Alnilam N d. Bellatrix 1961: The Delta-Friar Point revetment on the LMR extends from mile __________.
Y a. 657.3 - 652.2 LDB N b. 652.8 - 649.6 RDB N c. 648.5 - 645.5 LDB N d. 645.6 - 641.4 RDB 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 2404: 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. Y b. Your compass may be influenced by a local magnetic disturbance. N c. You should adjust the magnetic compass. N d. The deviation is increasing as you go south. 2455: You are underway and intend to make good a course of 170°T. You experience a current with a set and drift of 050°T at 2.8 knots, and a easterly wind produces a leeway of 3°. You adjust your course to compensate for the current and leeway, while maintaining an engine speed of 18.5 knots. What will be your speed made good over your intended course of 170°T?
N a. 18.5 knots N b. 18.1 knots N c. 17.6 knots Y d. 17.2 knots 2456: You have steamed 520 miles at 22 knots and burning 319 barrels of fuel per day. You must decrease your consumption to 137 barrels per day with 410 miles left in your voyage. What must you reduce your speed (kts) to in order to burn this amount of fuel?
N a. 12.8 N b. 14.8 Y c. 16.2 N d. 18.2 2590: You have maneuvered for traffic and at 2215 you obtain the following radar information:
Middle Ground Light bearing 287° pgc @ 6.65 nm
What course must you steer to arrive at buoy "PJ", passing 0.5 nm off "Mt Misery Shoal"?
N a. 237° psc N b. 257° psc Y c. 261° psc N d. 265° psc 2592: What chart would you need to enter Port Jefferson Harbor?
Y a. 12362 N b. 12364 N c. 12369 N d. 12370 2694: While on a course of 152°T, a light bears 9° on the port bow at a distance of 11.6 miles. What course should you steer to pass 3 miles abeam of the light leaving it to port?
N a. 153° Y b. 158° N c. 163° N d. 167° 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 3754: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 014°T, and the variation is 11°E. If the heading of your vessel at the time of the sighting is 009° per standard magnetic compass, what is the correct deviation?
N a. 5°E N b. 5°W N c. 6°E Y d. 6°W 3758: Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 212°T, and the variation is 7°W. If the heading of your vessel at the time of the sighting is 208° per standard magnetic compass, what is the correct deviation?
N a. 4°E N b. 4°W Y c. 11°E N d. 11°W 10102: Your GPS position is LAT 37°07.5'N, LONG 75°39.1'W. What is the course per standard magnetic compass (psc) to a position 0.3 mile due north of North Chesapeake Entrance Buoy NCA (LL #375)?
N a. 222°psc N b. 228°psc N c. 231°psc Y d. 234°psc 10501: At 0939 your GPS position is LAT 36°57.0'N, LONG 75°41.0'W. You are on course 119° per standard magnetic compass at a speed of 12.8 knots. At 1017 your GPS indicates your position as LAT 36°54.2'N, LONG 75°33.1'W. What were the set and drift?
N a. 280°T at 1.0 knot Y b. 275°T at 1.8 knots N c. 091°T at 1.6 knots N d. 103°T at 1.1 knots 11100: Block Island is __________.
N a. surrounded by wide sandy beaches N b. a low, marshy island Y c. hilly with elevations to 200 feet (60.5 m) N d. a national bird sanctuary 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 12206: You sight Bartlett Reef Light (LAT 41°16.5'N, LONG 72°08.2'W) in line with New London Harbor Light (LAT 41°19.0'N, LONG 72°05.4'W) and bearing 059° per standard magnetic compass. What is the compass deviation?
N a. 4°E Y b. 4°W N c. 10°E N d. 10°W 12608: You are on course 083° per standard magnetic compass when you take the following bearings: Branford Reef Light 344.5°psc Falkner Island Light 053.5°psc Mattituck Inlet Light 141.5°psc What is your position?
N a. LAT 41°10.4'N, LONG 72°43.0'W N b. LAT 41°09.6'N, LONG 72°44.9'W N c. LAT 41°08.4'N, LONG 72°43.7'W Y d. LAT 41°08.0'N, LONG 72°44.8'W 13402: You are planning to anchor in Orient Harbor at LAT 41°07.9'N, LONG 72°18.5'W. What type of bottom should you expect?
N a. Sticky Y b. Soft N c. Stiff N d. Streaky 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 14004: At 1745 Lady Island Upper Range is in line dead astern and Washougal Lower Range is in line on the starboard bow. You are steaming in an easterly direction. What speed must you average to arrive abeam of Cape Horn Light No. 67 at 1839?
N a. 9.3 mph N b. 9.8 mph Y c. 10.2 mph N d. 10.8 mph 14103: You are approaching Bonneville Lock and Dam and desire lockage. Which call sign should you use to contact the lock?
Y a. WUJ 33 N b. WUJ 34 N c. WUJ 41 N d. WUJ 45 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 15206: At 1730, your position is LAT 37°13.9'N, LONG 76°26.4'W. You are steering course 088° per standard magnetic compass (psc) at an engine speed of 8.0 knots. What is your distance off Tue Marshes Light at 1730?
Y a. 2.6 miles N b. 2.8 miles N c. 3.0 miles N d. 3.2 miles 15217: At 2118, you obtain the following bearings:
Cape Henry Light - 148°pgc
Cape Charles Light - 033°pgc
Thimble Shoal Light - 291°pgc
From this position, you proceed to Norfolk, VA, a distance of approximately 26.0 miles. To arrive at Norfolk at 0200 the next day, what is the speed to make good from your 2118 position to arrive at this time?
N a. 5.0 knots Y b. 5.5 knots N c. 6.0 knots N d. 6.5 knots 15420: You are entering Norfolk Harbor and have just passed Craney Island. Which chart should you use for your final approach into Norfolk Harbor?
N a. 12223 N b. 12238 N c. 12248 Y d. 12253 15639: At 2016 you sight N. Dumpling Light in line with Latimer Reef Light (Fl 6 sec, 55 ft) bearing 079°pgc. At the time of the bearing the helmsman reported he was steering 164°
pgc and 172° per standard magnetic compass. What is the deviation for that heading?
Y a. 3°E N b. 1°E N c. 5°W N d. 2°W 15667: At 0815, you change course to 079°T. To compensate for a southerly wind, you estimate a 3° leeway is necessary. Which course should you steer per standard magnetic compass to make good 079°T?
N a. 090°psc N b. 093°psc N c. 095°psc Y d. 099°psc 15714: At 1100, your position is LAT 41°11.3'N, LONG 72°28.0'W. You are steering a course of 069°T to leave Black Point one mile off your port beam. It has been reported that the Long Sand Shoal Buoys and Hatchett Reef Buoys are off station. Which of the following will serve as a line marking the hazards and keep your vessel in safe water?
Y a. Danger bearing to Black Point of not more than 064°T N b. Maintaining a 7 nm range off Orient Point N c. A bearing to Little Gull Island Light of not less than 090° N d. A distance to Saybrook Breakwater Light of not less than 1.3 miles 15841: At 2030 you take the following bearings:
Sand Shoal Inlet South Light - 275°T
Cape Charles Light - 235°T
The set and drift from 2000 to 2030 are __________.
N a. 088° at 0.7 knot N b. 088° at 1.4 knots N c. 268° at 0.7 knot Y d. 268° at 1.4 knots 15918: At 1038, you are 0.4 mile south of Long Sand Shoal Buoy "8A" on course 090°T when visibility is reduced to 1 mile in rain and haze. You intend to stay on 090°T until your Loran shows a reading that you can safely follow to the approaches of New London. Which of the following Loran readings will you look for?
N a. 9960-W-14720 N b. 9960-X-26290 Y c. 9960-Y-43980 N d. 9960-W-14810 16239: From your 2045 position, you set a course to pass 1.5 miles due east of the charted position of Hog Island Lighted Bell Buoy "12". The known set and drift in the area are 068°T at 3 knots. What is the course to steer, with no change in engine speed, to make good your desired course?
Y a. 200°T N b. 203°T N c. 206°T N d. 209°T 16259: You are on track from the anchorage to point A. At 0250, Great Machipongo Inlet Light "5" (37°21.8'N, 75°43.7'W) bears 279°pgc. At 0320, the light bears 320°pgc. What is the position of your 0320 running fix if you are making good 6.5 knots?
Y a. LAT 37°18.10'N, LONG 75°39.55'W N b. LAT 37°18.10'N, LONG 75°39.30'W N c. LAT 37°18.00'N, LONG 75°39.75'W N d. LAT 37°17.95'N, LONG 75°39.95'W 16268: As you pass between trestle "B" and trestle "C" of the Chesapeake Bay Bridge - Tunnel, you sight along the trestle "C" when it is in line. The gyro bearing is 048°. What is the gyro error by observation?
N a. 4°E Y b. 1°E N c. 0° N d. 2°W 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 16745: At 0100 Race Rock Light bears 001° relative, and at 0110 it bears 000° relative. Based on this you know you __________.
Y a. are being set to the right of the track N b. are making good more than 9.2 knots N c. are making good less than 9.2 knots N d. have an unknown gyro error