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.
36: You pass Springfield Bend Lt. (mile 244.8 AHP) at 1242, on 17 October, and estimate the current will average 2.5 mph for the remainder of your trip. What is your ETA at the mouth of the Ohio River if you are making turns for 10.5 mph?
N a. 1905, 19 October N b. 2122, 19 October N c. 0232, 21 October Y d. 0519, 21 October 41: The Delta-Friar Point revetment on the LMR extends from mile __________.
N a. 648.5 - 645.5 LDB N b. 652.8 - 649.6 RDB Y c. 657.3 - 652.2 LDB N d. 645.6 - 641.4 RDB 156: What are the dimensions of the Old River Lock?
N a. 110 ft x 1190 ft N b. 100 ft x 990 ft N c. 75 ft x 1000 ft Y d. 75 ft x 1190 ft 183: At 1920, the buoy off your starboard bow is __________.
Y a. Sand Shoal Inlet Lighted Buoy "A" N b. Hog Island Lighted Bell Buoy N c. South Light Buoy N d. an interrupted quick flashing buoy 190: On 2 January you observe the lower limb of the Sun at a sextant altitude (hs) of 35°50.4'. The index error is 0.8' on the arc. The height of eye is 24 feet (7.3 meters). What is the observed altitude (Ho)?
N a. 35°50.3' N b. 35°54.7' Y c. 35°59.7' N d. 36°05.6' 196: What course per standard magnetic compass is (psc) the same as 247°pgc?
Y a. 257°psc N b. 260°psc N c. 262°psc N d. 265°psc 197: At 2215, Cape Henry Light bears 242°pgc, Cape Charles Light bears 010.5°pgc, and Chesapeake Channel Tunnel North Light bears 319°pgc. You are heading 271°pgc. What is the relative bearing of Thimble Shoal Light?
Y a. 014° N b. 017° N c. 280° N d. 332° 202: Which statement concerning Montauk Point Light is TRUE?
N a. The light comes on at sunset. Y b. There is an emergency light if the main light is extinguished. N c. The height of the light is 24 feet. N d. The tower is painted with black and white stripes. 263: As you enter the New Haven Outer Channel, you sight the range markers in line directly over the stern. Your heading at the time is 155.5° per gyrocompass. What is the gyro error?
N a. 1.0°E N b. 1.0°W N c. 2.0°E Y d. 2.0°W 422: Which statement regarding the wreck 0.2 mile south of buoys "1" and "2" at the entrance to New London Harbor is TRUE?
N a. The wreck presents a danger to all vessels with drafts in excess of 30 feet (9.1 meters). N b. The wreck is visible above the sounding datum between the months of March and June. N c. The wreck was cleared by wire drag in 1982 and will not appear on future charts. Y d. The wreck is shown on the chart, but its actual existence is doubtful. 444: At 1110, you increase speed to 12 knots. What is your ETA at the new position?
N a. 1220 Y b. 1215 N c. 1208 N d. 1157 504: At 2142, you change course to make good 030°T and increase speed to 14 knots. You rendezvous with another vessel and receive fresh supplies while off New Haven Harbor lighted whistle buoy "NH". What is the light characteristic of this buoy?
N a. _ . N b. _ _ N c. . . Y d. . _ 559: At 0615, Stratford Point Light bears 292°pgc, Falkner Island Light bears 052°pgc, and Branford Reef Light bears 018°pgc. What was the current since 0530?
N a. 083° at 0.9 knots Y b. 083° at 1.2 knots N c. 263° at 1.2 knots N d. 263° at 0.9 knots 578: At 1008, you are entering York Spit Channel and buoy "19" is abeam to your starboard. What speed are you making good?
N a. 9.9 knots N b. 9.7 knots Y c. 9.0 knots N d. 8.4 knots 623: You are on a voyage from Baltimore, MD, to Seattle, WA. The distance from pilot to pilot is 5960 miles. The speed of advance is 16.0 knots. You estimate 16 hours for bunkering at Colon, and 12.0 hours for the Panama Canal transit. If you take departure at 0824 hours (ZD +5), 18 November, what is your ETA (ZD +8) at Seattle?
N a. 1654, 5 December N b. 1354, 5 December Y c. 2154, 4 December N d. 1354, 4 December 996: On 30 August your 0554 zone time (ZT) position was LAT 25°39.0'S, LONG 31°51.0'E. Your vessel was steaming on course 325°T at a speed of 15.0 knots. An observation of the Sun's lower limb was made at 0836 ZT. The chronometer read 06h 38m 36s and was fast 02m 24s. The observed altitude (Ho) was 30°49.2'. LAN occurred at 1157 ZT. The observed altitude (Ho) was 56°40.0'. What was the longitude of your 1157 ZT running fix?
N a. 30°59.8'E N b. 30°57.6'E N c. 30°55.9'E Y d. 30°52.5'E 1253: On 8 August , your 0400 ZT DR position is LAT 23°16.0'S, LONG 105°33.0'W. You are on course 295°T at a speed of 25 knots. What will be the zone time of sunrise at your vessel?
N a. 0623 N b. 0629 Y c. 0636 N d. 0654 1265: On 22 November , your 1400 ZT DR position is LAT 22°16.0'N, LONG 136°37.0'E. You are on course 038°T at a speed of 22 knots. What will be the zone time of sunset at your vessel?
Y a. 1705 N b. 1710 N c. 1714 N d. 1718 1271: At 0400 zone time, on 24 June , your DR position is LAT 23°10.0'N, LONG 085°33'W. You are steering 295°T at a speed of 10.0 knots. What is the zone time of sunrise?
N a. 0452 Y b. 0458 N c. 0504 N d. 0510 1418: How far is it to the Hernando Desoto Bridge in Memphis, TN?
N a. 980.8 miles N b. 736.6 miles N c. 312.3 miles Y d. 218.1 miles 1420: 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. 1652: On 16 April , in DR position LAT 28°07.0'N, LONG 81°47.0'W, you observe an amplitude of the Sun. The Sun's center is on the visible horizon and bears 073.5°psc. The chronometer reads 10h 53m 41s and is 02m 23s slow. Variation in the area is 11°E. What is the deviation of the magnetic compass?
N a. 4.5°E N b. 4.9°W N c. 6.1°E Y d. 6.5°W 1687: What are the light characteristics of Greenwood Light (mile 288.6 AHP).
N a. Fixed red light N b. 1 red flash every 4 seconds Y c. 2 red flashes every 5 seconds N d. 2 white flashes every 4 seconds 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 1911: On 22 February , your 1857 DR position is LAT 23°46.0'S, LONG 93°16.5'E. You observe an unidentified star bearing 150°T at an observed altitude (Ho) of 42°15.0'. The chronometer reads 01h 00m 35s, and is 03m 25s fast. What star did you observe?
N a. Adhara N b. Miaplacidus Y c. Avior N d. Suhail 2107: At 0045, you obtain the following bearings:
Rocky Point lookout tower 072°T
Horton Point lighthouse 213°T
What were the set and drift between 0005 and 0045?
N a. 272°true, 0.9 knot N b. 272°true, 1.4 knots N c. 092°true, 0.9 knot Y d. 092°True, 1.4 knots 2424: As you approach mile 225 AHP, you notice on the map a brown broken-lined rectangular shaped area along the bank. This indicates __________.
N a. weirs N b. a revetment Y c. a fleeting area N d. utility crossing 2784: You pass Ratcliff Light (mile 289.8) at 1650. What was your average speed since leaving Baton Rouge?
N a. 7.3 mph Y b. 7.6 mph N c. 8.0 mph N d. 8.3 mph 2868: Your vessel is on a course of 358°T at 19 knots. At 0316 a light bears 024.5°T, and at 0334 the light bears 043°T.
At what time and at what distance off will your vessel be when abeam of the light?
Y a. 0352, 5.7 miles N b. 0355, 6.2 miles N c. 0359, 7.1 miles N d. 0403, 8.0 miles 2897: You are steaming on a course of 327°T at 13 knots. At 0207 you observe a lighthouse bearing 020°T. At 0226 the lighthouse bears 042°T. What is your distance off at the second bearing?
N a. 8.5 miles Y b. 8.9 miles N c. 9.2 miles N d. 9.7 miles 3056: The propeller on a vessel has a diameter of 18.8 feet and a pitch of 21.4 feet. What would be the slip if the vessel cruised 378 miles in a 24 hour day (observed distance) at an average RPM of 76?
Y a. +1.9% N b. -1.9% N c. +4.7% N d. -4.7% 3272: Your vessel arrives in port with sufficient fuel to steam 775 miles at 17 knots. If you are unable to take on bunkers, at what speed must you proceed to reach your next port, 977 miles distant?
Y a. 15.1 knots N b. 15.8 knots N c. 17.2 knots N d. 17.7 knots 3304: You have steamed 265 miles and consumed 25.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 346 miles?
Y a. 32.6 tons N b. 37.4 tons N c. 42.6 tons N d. 49.5 tons 3470: You are underway on course 000°Tat 9.5 knots. The current is 082°T at 1.1 knots. What is the speed being made good?
N a. 9.2 knots N b. 9.5 knots Y c. 9.8 knots N d. 10.1 knots 3613: You are steering a magnetic compass course of 075°. The variation for the area is 10°W, and the compass deviation is 5°E. What is the true course you are steering?
N a. 060°T Y b. 070°T N c. 080°T N d. 090°T 3708: At what time would you listen to VHF Channel 22 (157.1 MHz) for information concerning the stage of the river between Memphis and Cairo?
Y a. 1300 N b. 1435 N c. 1620 N d. 1815 3771: Two beacons form a range in the direction of 221.5°T. The range is seen in line from your vessel bearing 223° per gyro compass. The variation in the area is 4°E. What is the error of your gyro compass?
Y a. 1.5°W N b. 2.5°W N c. 5.5°W N d. 2.5°E 4006: 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 true heading of 236°.
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. 1.0°W Y b. 0.5°E N c. 1.5°E N d. 0.0° 11407: At 1930 your GPS position is LAT 41°00.5'N, LONG 72°49.5'W. At 2018 your position is LAT 41°08.6'N, LONG 72°41.6'W. What was your true course and speed made good?
N a. 219° at 10.1 knots N b. 214° at 12.5 knots Y c. 036° at 12.6 knots N d. 039° at 11.2 knots 11704: What is the true heading to steer in York River Entrance Channel if your engines are turning for 10.2 knots, the current is 220°T at 1.2 knots and a southwesterly wind causes 3° of leeway?
N a. 316°T Y b. 313°T N c. 309°T N d. 300°T 12209: You sight South West Ledge Light in line with New Haven Outer Channel Range Rear Light bearing 338.5° per standard magnetic compass. What is the deviation?
Y a. 3°E N b. 4°W N c. 6°E N d. 9°W 13102: At 2330 your position is LAT 41°16.9'N, LONG 71°38.2'W. You are turning for 9.3 knots. What is your ETA at the entrance to Great Salt Pond on Block Island?
N a. 2355 Y b. 0005 N c. 0012 N d. 0019 13410: You plan to anchor your vessel at LAT 41°05.1'N, LONG 72°59.3'W. Assuming that normal conditions exist, how much anchor cable should you put out?
N a. 150 to 300 feet N b. 300 to 440 feet Y c. 440 to 600 feet N d. 640 to 750 feet 13805: What is the danger associated with anchoring your vessel within a 300 yard radius of Gardiners Point?
N a. An unusually strong current exists in this area. N b. The bottom is not suitable for holding the anchor. N c. Submerged pilings may exist in this area. Y d. Your anchor could become fouled on undetonated explosives. 13900: The trapezoidal shaped areas enclosed by a thin broken magenta line and located along the south coast of Long Island are __________.
N a. designated training areas for Navy amphibious craft N b. disposal areas for unexploded munitions Y c. fish trap areas N d. anchorage areas for small craft 15219: From your 2118 position, you steer a course of 288°T at an engine speed of 7.0 knots. At 2120 visibility is suddenly reduced to 2 miles. At what time can you expect to see Old Point Comfort Light?
N a. 2136 N b. 2143 N c. 2202 Y d. 2228 15316: What speed have you made good from 1710 to 1810?
N a. 4.2 knots N b. 4.9 knots N c. 5.5 knots Y d. 6.3 knots 15367: At 0700, Falkner Island Light bears 023°pgc, and the range to the south tip of Falkner Island is 7.1 miles. What was the course made good since 0615?
N a. 078°T Y b. 081°T N c. 084°T N d. 087°T 15610: 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"
(LL#375)?
N a. 249.0° N b. 251.5° N c. 255.0° Y d. 257.0° 16207: If you change course at 0610, what is the course to steer to a point where Little Gull Island Light bears 180°T at 0.7 mile (Point "A")?
N a. 072°pgc N b. 076°pgc Y c. 080°pgc N d. 084°pgc 16366: From your 0600 fix, you change course to 250°T. At 0605,
Cape Henry Light bears 250°T. At 0615, it bears 251°T. At 0625, it bears 252°T. Based on this you know you are __________.
Y a. being set to the south N b. being set to the north N c. meeting a current from dead ahead N d. running with a current from dead astern