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)?
N a. Green square Y b. Green diamond N c. Red and green rectangle N d. Green triangle 160: How far is it to the Hernando Desoto Bridge in Memphis, TN?
N a. 980.8 miles N b. 736.6 miles Y c. 218.1 miles N d. 202.4 miles 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 250: At 0045, you obtain the following information:
Radar range to Inlet Point is 1.4 miles;
Radar range to Rocky Point is 2.8 miles.
Radar range to Horton Point is 2.8 miles.
What were the set and drift between 0005 and 0045?
N a. 275°true, 0.9 knot N b. 275°true, 1.4 knots Y c. 095°true, 1.4 knot N d. 095°True, 0.9 knots 332: You arrive at the rendezvous point, secure the tow, and head back southward. At 1200, you take the following bearings:
Sand Shoal Inlet South Light bearing 289° pgc
Cape Charles Light bearing 240° pgc
What is your 1200 position?
Y a. LAT 37°15.0'N, LONG 75°37.5'W N b. LAT 37°16.0'N, LONG 75°38.0'W N c. LAT 37°17.0'N, LONG 75°39.5'W N d. LAT 37°19.0'N, LONG 75°40.5'W 349: From your 0430 position, what is the course per standard magnetic compass to a position where Twenty-eight foot Shoal lighted buoy "TE" is abeam to port at 1 mile?
Y a. 101.5° N b. 098.0° N c. 086.0° N d. 082.5° 383: From point "A", you lay out an intended track line to a point where Block Island North Light bears 180°T at 2.9 miles (Point "B"). What is the length of this leg of the voyage?
Y a. 24.4 miles N b. 23.9 miles N c. 23.7 miles N d. 20.4 miles 401: Your vessel receives a distress call from a vessel reporting her position as LAT 35°01'S, LONG 18°51'W. Your position is LAT 30°18'S, LONG 21°42'W. Determine the true course from your vessel to the vessel in distress by Mercator sailing.
N a. 135°T N b. 149°T Y c. 153°T N d. 160°T 408: You depart LAT 37°36'N, LONG 123°00'W, and steam 2022 miles on course 241°T. What is the longitude of your arrival by Mercator sailing?
N a. LONG 163°28.2'W N b. LONG 163°18.2'W Y c. LONG 156°51.7'W N d. LONG 154°18.3'W 447: You are encountering heavy weather. What action should you take based on your 1430 fix?
N a. Continue on the same course but increase speed. N b. Continue on the same course at the same speed. N c. Slow to 8.3 knots to compensate for the current. Y d. Alter course to the right, to pass well clear of Southwest Ledge 499: Which chart should you use to enter Great Salt Pond?
N a. 13205 N b. 13207 N c. 13214 Y d. 13217 605: At 0915 ZT, on 26 July , you depart Yokohama, LAT 35°27.0'N, LONG 139°39.0'E (ZD -9). You are bound for Seattle, LAT 47°36.0'N, LONG 122°22.0'W, and you estimate your speed of advance at 14 knots. The distance is 4,245 miles. What is your estimated ZT of arrival at Seattle?
Y a. 0728, 7 August N b. 1528, 7 August N c. 0028, 8 August N d. 1528, 8 August 608: At 1200 zone time, on 10 October , you depart San Francisco, LAT 37°48.5'N, LONG 122°24.0'W (ZD +8). You are bound for Yokohama, LAT 35°27.0'N, LONG 139°39.0'E, and you estimate your speed of advance at 22 knots. The distance is 4,536 miles. What is your estimated zone time of arrival at Yokohama?
N a. 0111, 19 October N b. 0211, 19 October N c. 1011, 19 October Y d. 1911, 19 October 743: On 7 March , at 1838 ZT, in DR position LAT 34°26.9'N, LONG 58°16.2'W, you observe Polaris for latitude. The sextant altitude (hs) is 35°08.4'. The index error is 2.5' off the arc. The height of eye is 54 feet. What is the latitude at the time of the sight?
N a. 34°29.8'N Y b. 34°33.4'N N c. 34°34.8'N N d. 34°36.8'N 1005: On 18 May , your 1030 ZT DR position is LAT 20°41'N, LONG 63°32'W. You are on course 106°T, speed 24 knots. Determine your 1200 position using the following observations of the Sun.
ZONE TIME GHA DECLINATION Ho
1204 61°54.6' N 19°37.6' 88°39.7'
1210 63°24.6' N 19°37.7' 88°59.2'
Y a. LAT 20°32.6'N, LONG 62°57.5'W N b. LAT 20°30.1'N, LONG 63°01.9'W N c. LAT 20°27.6'N, LONG 62°52.4'W N d. LAT 20°25.2'N, LONG 62°56.9'W 1134: What company does NOT have a marine facility along the river bank in Helena (mile 661 to 665 AHP)?
N a. Helena Port Terminal, Inc. Y b. Riceland Food Corps.. N c. Quincy Soybean Co. N d. Texas Eastern Pipeline Co. 1254: On 19 July , your 1500 ZT DR position is LAT 28°25.0'N, LONG 120°28.0'W. You are on course 233°T at a speed of 10 knots. What will be the zone time of sunset at your vessel?
N a. 1842 N b. 1853 Y c. 1901 N d. 1909 1260: On 16 March , your 0330 ZT DR position is LAT 22°36.0'S, LONG 76°16.0'E. You are on course 098°T at a speed of 16 knots. What will be the ZT of sunrise at your vessel?
N a. 0545 Y b. 0553 N c. 0600 N d. 0608 1288: What is NOT true about the yellow square at mile 227.3 AHP?
N a. Yellow in color N b. Square in shape Y c. Lighted N d. Part of Intracoastal Waterway System 1290: You are at mile 230.0 AHP and see on the map a large rectangle outlined with a broken line . This indicates a __________.
N a. revetment N b. dredge material Y c. fleeting area N d. dike 1341: What is the distance from the River Cement Co. Dock to the mouth of the Ohio River?
N a. 718.8 miles Y b. 780.8 miles N c. 953.5 miles N d. 981.5 miles 1487: On 5 June , your 0420 zone time DR position is LAT 26°47.0'N, LONG 133°19.5'W. At that time, you observe Vega bearing 298.1°psc. The chronometer reads 01h 21m 17s, and the chronometer error is 02m 25s fast. The variation is 3.5°E. What is the deviation of the standard compass?
N a. 1.8°E N b. 5.2°E Y c. 1.8°W N d. 5.2°W 1678: On 2 January , your vessel's 1948 zone time position is LAT 21°42'S, LONG 39°12'W, when an amplitude of the Sun is observed. The Sun's center is on the celestial horizon and bears 260° per standard magnetic compass. Variation in the area is 19°W. The chronometer reads 10h 44m 36s and is 03m 24s slow. What is the deviation of the standard magnetic compass?
Y a. 4.3°E N b. 4.3°W N c. 5.1°E N d. 5.1°W 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 1773: What daymark should you see as you approach French Point Light (mile 915.4 AHP)?
Y a. Red triangle N b. Green triangle N c. Red diamond N d. Green diamond 2160: On 17 April , your vessel's 1856 zone time DR position is LAT 22°35.0'N, LONG 63°15.0'W. At that time, a sextant observation of the star Sirius is made. The sextant altitude is 42°45.0' and the chronometer reads 10h 59m 27s.
The index error is 2.6' off the arc, and the chronometer error is 03m 01s fast. Your height of eye is determined to be 45 feet. What is the computed altitude (hc) and azimuth (Zn) for this sight using the assumed position?
N a. 42°40.0', 214.9°T N b. 42°40.0', 325.1°T Y c. 42°51.6', 214.9°T N d. 42°51.6', 325.1°T 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 2207: As you pass under the Natchez-Vidalia Dual Bridge, the gage on the bridge reads 8.9 ft. If the highest point on your vessel is 54 ft. above the water, what is your vertical clearance?
Y a. 63.1 feet N b. 65.3 feet N c. 67.2 feet N d. 122.0 feet 2213: Controlling depth of a channel __________.
Y a. is the least depth within the limits of the channel N b. is the greatest depth within the limits of the channel N c. permits the safe use of the channel to drafts of more than that depth N d. is the designed dredging depth of a channel constructed by the U.S. Army Corps. of Engineers 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 2782: What is your ETA at the Helena Highway Bridge?
Y a. 1335, 24 Sept N b. 1109, 24 Sept N c. 0926, 24 Sept N d. 0458, 24 Sept 3087: If the pitch of the propeller is 20.6 feet, and the revolutions per day are 107,341, calculate the day's run allowing 3% positive slip.
Y a. 352.7 miles N b. 363.6 miles N c. 374.5 miles N d. 389.1 miles 3318: While steaming at 12 knots, your vessel burns 45 tons of fuel per day. What will be the rate of fuel consumption if you decrease speed to 11.5 knots?
N a. 31 tons/day N b. 36 tons/day Y c. 40 tons/day N d. 43 tons/day 3624: Your vessel is steering course 073°psc, variation for the area is 15°E, and deviation is 4°E. The wind is from the southeast, producing a 4° leeway. Which true course are you making good?
N a. 050°T N b. 058°T Y c. 088°T N d. 096°T 3635: You desire to make good a true course of 236°. The variation is 8°E, magnetic compass deviation is 1°E, and gyrocompass error is 3°W. A south-southeasterly wind produces a 1° leeway. What is the course to steer per standard magnetic compass (psc) to make the true course good?
Y a. 226°psc N b. 228°psc N c. 244°psc N d. 246°psc 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. 11107: What is the time (Daylight Savings Time) of the first high tide on 1 July 1983 at Great Salt Pond on Block Island?
Y a. 0027 N b. 0448 N c. 1158 N d. 1203 11303: At 0856 your GPS position is LAT 37°01.6'N, LONG 75°31.7'W. At 0945 your position is LAT 36°57.0'N, LONG 75°41.0'W. What was the speed made good between the fixes?
N a. 8.4 knots N b. 8.9 knots N c. 9.6 knots Y d. 10.7 knots 11304: At 1422 your GPS position is LAT 37°07.5'N, LONG 75°39.1'W. At 1549 your position is LAT 36°57.0'N, LONG 75°41.0'W. What was the course made good between the fixes?
N a. 185°T Y b. 188°T N c. 194°T N d. 198°T 11509: At 1014 you depart the entrance to Lake Montauk with light "1" close aboard. Your course is 066° per standard magnetic compass, and the speed is 8.6 knots. At 1232 your position is LAT 41°20.0'N, LONG 71°40.0'W. What is the course made good?
N a. 036°T Y b. 040°T N c. 044°T N d. 047°T 13000: Your 2108 position is LAT 41°10.0'N, LONG 72°30.0'W. You are turning for 12.5 knots. What is your ETA at Buoy NH (LAT 41°12.1'N, LONG 72°53.8'W)?
N a. 2133 N b. 2227 Y c. 2235 N d. 2248 15016: If the visibility is 3 miles, at what range will you lose sight of Chesapeake Light?
N a. The light has never been visible. N b. 6.4 miles Y c. 8.3 miles N d. 12.1 miles 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 15342: At 1756 you determined your vessel's position to be 41°10.4'N, 71°59.2'W. From this position, you wish to change course to head for a point 5 miles west of Block Island North Light. With a reported set of 050°T, a drift of 2.0 knots and turning RPM's for 14 knots, which course should you steer to make good your desired course?
N a. 070°T N b. 075°T Y c. 080°T N d. 085°T 15466: At 1015, you estimate you have 139 miles to complete the voyage. If you average 9.5 knots, you will complete the voyage in __________.
N a. 14 hours 22 minutes N b. 14 hours 30 minutes Y c. 14 hours 38 minutes N d. 14 hours 44 minutes 15939: From your 1910 position, you set a course of 162°T at a speed of 14 knots. What will serve as a definite warning that you are being set towards Race Rock Light?
N a. Decreasing bearings to Race Rock Light Y b. Decreasing loran readings on loran rate 9960-W N c. Increasing soundings N d. Decreasing radar ranges to Race Point 15958: Your 1752 position is __________.
N a. less than 0.2 mile to the west of York Spit Channel N b. less than 0.2 mile to the east of York Spit Channel Y c. more than 0.2 mile to the west of York Spit Channel N d. more than 0.2 mile to the east of York Spit Channel 16041: From your 0847 fix, you change course to arrive at the rendezvous position and, correcting for current, you estimate your speed over the ground at 15 knots. What is your ETA at the rendezvous?
N a. 0902 N b. 0905 Y c. 0908 N d. 0911 16068: From your 2118 position, you proceed to Norfolk, VA, a distance of approximately 26.0 miles. To arrive at Norfolk by 0200 the next day, what is the minimum speed to make good from your 2118 position to arrive at this time?
N a. 5.0 knots N b. 5.3 knots N c. 5.8 knots Y d. 5.5 knots 16410: By 1015, visibility has increased to 5.0 miles and you can see Fishers Island. Fishers Island has __________.
N a. low and sandy beaches with salt ponds and marsh grass N b. sheer cliffs rising from the sea to a high, flat plateau N c. barren, rocky hills with prominent sandy beaches Y d. sparsely wooded hills and is fringed with shoals to the south 16416: At 1345, you depart from a position 1 mile due east of Montauk Point Light and set course for Block Island Southeast Light at 9 knots. At 1430 your position is Latitude 41° 06.3' North Longitude 071° 41.9' West
What was the current encountered since 1345?
N a. Set 015°, drift 0.5 knot Y b. Set 195°, drift 0.5 knot N c. Set 015°, drift 0.7 knot N d. Set 195°, drift 0.7 knot 16512: At 0748, you take the following bearings:
Watch Hill Point Light bearing 020.5°pgc
Race Point Light Light bearing 269.5°pgc
What is the approximate depth of water at this position?
N a. 325 feet N b. 175 feet Y c. 130 feet N d. 104 feet 16565: You decide to use the 9960-Y and 9960-W rates. At 1915,
you obtain the following readings:
9960-Y-43937.5
9960-W-14651.2
What is your 1915 position?
N a. LAT 41°13.6'N, LONG 71°54.0'W Y b. LAT 41°13.5'N, LONG 71°53.4'W N c. LAT 41°13.4'N, LONG 71°53.1'W N d. LAT 41°14.4'N, LONG 71°53.7'W