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.
73: The area between Island 67 Upper Light (mile 623.1 AHP) and Sunflower Cut-off Foot Light (mile 624.8 AHP) is known as a __________.
Y a. crossing N b. chute N c. transit N d. slough 377: You depart LAT 22°35.0'N, LONG 157°30.0'W, and steam 4505.0 miles on course 135°T. What are the latitude and longitude of your arrival by Mercator sailing?
Y a. 30°30.5'S, 102°35.3'W N b. 30°30.5'S, 104°30.0'W N c. 32°20.0'S, 102°35.3'W N d. 32°20.0'S, 104°30.0'W 568: You are delayed in sailing due to engineering problems. You get underway at 0630. A Coast Guard radio broadcast advises that an aircraft carrier will transit the Elizabeth River enroute Norfolk Naval Shipyard and a safety zone is in effect. Further information on how far you must remain from the carrier found is in __________.
N a. PUB 117 Y b. Coast Pilot N c. Light List N d. Chart Number 1 615: Your vessel departs Yokohama from position LAT 35°27.0'N, LONG 139°39.0'E (ZD -9), at 1330 ZT, on 23 July, bound for Seattle at position LAT 47°36.0'N, LONG 122°22.0'W (ZD +8). The distance by great circle is 4,245 miles, and you estimate that you will average 13.6 knots. What is your estimated ZT of arrival?
N a. 0438, 4 August Y b. 2038, 4 August N c. 0438, 5 August N d. 1238, 5 August 688: What is the distance from the Amoco Docks at Baton Rouge, LA, to Pittsburgh, PA?
N a. 727.9 miles N b. 981.5 miles N c. 1575.3 miles Y d. 1681.7 miles 752: On 5 May , at 1953 zone time, you take a sextant observation of Polaris. Your vessel's DR position is LAT 29°30.0'N, LONG 66°25.7'W, and your sextant reads 29°07.2'. Your chronometer reads 11h 51m 45s, and your chronometer error is 01m 36s slow. Your height of eye is 56 feet, and the index error for your sextant is 1.5' on the arc. What is the latitude of your vessel from your observation of Polaris?
N a. 29°14.3'N Y b. 29°23.6'N N c. 29°32.3'N N d. 29°38.8'N 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 1128: 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 1164: At 2350 on 23 June, you are at mile 610.5 AHP when you see about a mile ahead lights on the water near the left bank. What might you see when you come abreast of these lights?
N a. Privately maintained buoys at a yacht club N b. Government buoys marking the Hurricane Point dikes Y c. Barges moored at the Dennis Landing Terminal N d. A pipeline discharging dredge spoil 1178: On 27 August , your 0900 zone time DR position is LAT 24°25.0'N, LONG 94°20.0'W. Your vessel is on course 071°T at a speed of 20.0 knots. What is the zone time of local apparent noon (LAN)?
Y a. 1214 N b. 1208 N c. 1206 N d. 1158 1270: At 0500 zone time, on 21 August , your DR position is LAT 47°00'N, LONG 125°15'W. You are steering 000°T at a speed of 9.8 knots. What is the zone time of sunrise?
Y a. 0525 N b. 0529 N c. 0531 N d. 0535 1426: What is the total length of the trip?
N a. 910.6 miles N b. 901.4 miles N c. 900.7 miles Y d. 873.7 miles 1480: On 28 November , your vessel's 0712 zone time DR position is LAT 26°54'S, LONG 45°18'W, when you take an azimuth of the Sun. Determine the gyro error using the azimuth information.
Chronometer time: 10h 09m 18s Chronometer error: slow 02m 54s Gyro bearing: 102°
N a. 1.7°W Y b. 0.6°W N c. 1.1°E N d. 0.8°E 1484: On 7 December , your vessel's 0835 zone time DR position is LAT 28°30.0'N, LONG 125°39.3'W, when an azimuth of the Sun is observed. The chronometer time of the sight is 04h 34m 48s, and the Sun is bearing 113° per standard magnetic compass. The chronometer error is 01m 24s slow, and the variation in the area is 13.0°E. What is the deviation of the standard magnetic compass?
N a. 0.7°E N b. 1.0°W Y c. 2.3°E N d. 3.0°W 1778: At 2234 ZT, on 14 July , in DR position LAT 34°03'N, LONG 150°16'W you observe an amplitude of Saturn. The planet is about one Sun's diameter above the visible horizon and bears 272.1°pgc. The variation is 14°E. What is the gyro error?
N a. 0.5°W N b. 0.5°E Y c. 1.5°W N d. 2.5°E 2085: At your current speed of 20 knots you only have enough fuel remaining to travel 360 miles. You must travel 440 miles to reach your destination. What should you reduce your speed (knots) to in order to reach your destination?
Y a. 18.1 N b. 17.5 N c. 16.9 N d. 16.3 2112: At 0130, you obtain the following bearings:
Horton Point Lighthouse 078°T
Mattituck Breakwater Light tower 196°T
What were the course and speed made good between 0100 and 0130?
Y a. 246°T at 9.8 knots N b. 253°T at 9.4 knots N c. 259°T at 9.8 knots N d. 267°T at 9.4 knots 2112: At 0130, you obtain the following bearings:
Horton Point Lighthouse 078°T
Mattituck Breakwater Light tower 196°T
What were the course and speed made good between 0100 and 0130?
Y a. 246°T at 9.8 knots N b. 253°T at 9.4 knots N c. 259°T at 9.8 knots N d. 267°T at 9.4 knots 2284: You observe the lower limb of the Sun at a sextant altitude (hs) of 35°26.3' on 25 June . The index error is 1.5' on the arc. The height of eye is 58 feet (17.6 meters). What is the observed altitude (Ho)?
N a. 35°28.2' N b. 35°29.9' Y c. 35°32.1' N d. 35°36.7' 2685: You are steering 031°T, and a light is picked up dead ahead at a distance of 12.7 miles at 0017. You change course to pass the light 3.5 miles off abeam to starboard. If you are making 11 knots, what is your ETA at the position 3.5 miles off the light?
N a. 0118 N b. 0121 Y c. 0124 N d. 0127 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 2719: If the Gage at the Greenville Highway Bridge reads 22.0 feet, and the low water reference plane (LWRP) for Greenville (Bridge). MS is 11.3 feet. What is the water level in relation to the low water reference plane?
N a. 22.1 feet below the LWRP N b. 10.7 feet below the LWRP Y c. 10.7 feet above the LWRP N d. 0.5 feet below the LWRP 2720: Which company utility crossing is at mile 529.7 AHP?
Y a. Texas Gas Transmission Corp. submerged gas pipeline N b. Tennessee Gas Co. submerged gas pipeline N c. ANR Pipeline Co. submerged gas pipeline N d. Trunkline Gas Co. submerged gas pipeline 2720: Which company utility crossing is at mile 529.7 AHP?
Y a. Texas Gas Transmission Corp. submerged gas pipeline N b. Tennessee Gas Co. submerged gas pipeline N c. ANR Pipeline Co. submerged gas pipeline N d. Trunkline Gas Co. submerged gas pipeline 2778: What company does NOT have a marine facility along the river bank in Helena (mile 658 to 665 AHP)?
N a. Texas Eastern Pipeline Co. N b. Helena Port Terminal, Inc. N c. Arkansas Power & Light Co. Y d. Helena Grain Co. 2913: You are turning for 7.5 mph and estimate the current at 3.0 mph. What is your ETA at the River Cement Co. in Natchez considering that you passed Cherokee Landing Lt. at 2100?
Y a. 1605 on 15 January N b. 0355 on 16 January N c. 1244 on 16 January N d. 1922 on 16 January 10202: Your present position is LAT 41°05.5'N, LONG 72°38.0'W. Assuming that there is no set and drift, what course must you steer per standard magnetic compass (psc) to arrive at a position midway between New Haven Harbor Channel buoys #1 and #2?
N a. 137°psc N b. 309°psc Y c. 315°psc N d. 319°psc 10610: At 1645 your GPS position is LAT 41°04.9' N, LONG 72°42.1'W. You are on course 072° per standard magnetic compass at a speed of 14 knots. At 1727 another GPS fix places your vessel 1 mile due north of Twenty-Eight Foot Shoal Lighted Buoy TE. What were your set and drift?
N a. 032°T at 1.2 knot Y b. 026°T at 1.1 knot N c. 207°T at 0.9 knot N d. 212°T at 1.2 knots 11701: What is the true heading to steer inbound in the York River Entrance Channel if your engines are turning for 9.5 knots, the current is 076°T at 1.2 knots, and a southwesterly wind causes 3° of leeway?
N a. 313°T N b. 308°T N c. 303°T Y d. 300°T 11705: 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 the current is 043°T at 1.3 knots, a south-southeasterly wind is causing 3° of leeway, and you are turning for 8.7 knots?
N a. 260.5°psc N b. 264.0°psc Y c. 268.0°psc N d. 271.5°psc 11804: Your engines are making turns for 8 knots and a northerly wind is causing 3° of leeway. There is a current of 220°T at 1.5 knots. What is the course to steer between Branford Reef Light and Faulkner Island Light?
Y a. 084°T N b. 095°T N c. 102°T N d. 108°T 12607: You are on course 240° per standard magnetic compass when you take the following bearings: Old Field Point Light 253°psc New Haven Light 357°psc Mattituck Inlet Light 126°psc What is your position?
N a. LAT 41°04.5'N, LONG 72°49.2'W N b. LAT 41°05.7'N, LONG 72°50.2'W Y c. LAT 41°05.9'N, LONG 72°53.1'W N d. LAT 41°08.6'N, LONG 72°53.5'W 12702: You are on course 282° per standard magnetic compass when you take the following bearings: Point Judith Light - 073°psc Block Island North Light - 156°psc Watch Hill Point Light - 293°psc What is your position?
Y a. LAT 41°17.0'N, LONG 71°38.2'W N b. LAT 41°17.1'N, LONG 71°39.1'W N c. LAT 41°17.2'N, LONG 71°38.7'W N d. LAT 41°17.2'N, LONG 71°37.8'W 14402: You are underway and proceeding in an easterly direction on the Columbia River. Your vessel is positioned in the right outside quarter of McGowans Channel and is abeam of light No. 88. What should your fathometer read at this position, if the staff gauge at Portland reads + 15.0 feet?
N a. 22 feet N b. 31 feet N c. 43 feet Y d. 52 feet 15063: At 0830, you want the latest weather forecasts for the Falkner Island area. On what frequency do you set your FM radio for this information?
N a. 2182 kHz N b. 162.80 Mhz N c. 156.65 Mhz Y d. 162.55 Mhz 15108: Your 1752 position places you __________.
Y a. less than 0.5 mile westward of York Spit Channel N b. less than 0.5 mile eastward of York Spit Channel N c. greater than 0.5 mile westward of York Spit Channel N d. greater than 0.5 mile eastward of York Spit Channel 15319: The coastline by Cape Henry is best described as __________.
N a. rocky with pine scrubs Y b. sandy hills about eighty feet high N c. low wetlands N d. low and thinly wooded with many beach houses 15365: Which loran line can you follow to remain clear of all danger until south of New London?
N a. 9960-W-15000 N b. 9960-W-14900 N c. 9960-X-26450 Y d. 9960-Y-43960 15406: At 1400, your position is LAT 37°14.7'N, LONG 76°22.3'W. From this position, you head for the York River Entrance Channel Buoy "17". What should you steer per standard magnetic compass for this heading?
N a. 108°psc N b. 119°psc N c. 122°psc Y d. 125°psc 15864: At 0200, you take the following bearingss:
Mattituck Inlet Light bearing 125°pgc
Falkner Island Light bearing 355°pgc
What is the position of your 0200 fix?
Y a. LAT 41°03.9'N, LONG 72°38.9'W N b. LAT 41°03.8'N, LONG 72°39.1'W N c. LAT 41°03.7'N, LONG 72°38.5'W N d. LAT 41°03.5'N, LONG 72°38.8'W 15911: What publication contains information on the navigational hazards in the vicinity of Falkner Island?
N a. The navigational regulations in Title 46 Code of Federal Regulations N b. Inland Navigation Rules N c. U.S. Coast Guard Light List Y d. U.S. Coast Pilot 16063: At 2013, you sight Thimble Shoal Light in line with Old Point Comfort Light bearing 258°pgc. At the time of the bearing, the vessel was headed 142°pgc and 151°psc. Based on this, you __________.
N a. know the gyro error is 2°E N b. should adjust the magnetic compass N c. verified that the variation is 10°W Y d. have checked the deviation table for a magnetic heading of 150° 16115: You sighted Trestle "A" in line at 0707 and are steering 108°T. At 0731, Cape Henry Light bears 136°T; Cape Charles Light bears 032.5°T; and Thimble Shoal Tunnel South Light bears 282°T. What was the speed made good between 0707 and 0731?
N a. 8.3 knots Y b. 8.8 knots N c. 9.2 knots N d. 9.4 knots 16262: What was the speed made good from 0240 to 0400?
N a. 5.2 knots N b. 5.6 knots Y c. 6.0 knots N d. 6.4 knots 16266: The abandoned lighthouse at Cape Henry is a(n) __________.
N a. octagonal, black and white tower N b. radio beacon station N c. emergency back up to Cape Henry Light Y d. gray, pyramidal tower 16515: What action should you take to compensate for the above current?
N a. Continue on the same course and speed. Y b. Alter your course to the left. N c. Slow to 8.5 knots. N d. Alter your course to the right. 16539: If you estimate 3° leeway due to northerly winds, which course will you steer per standard magnetic compass (psc)
to make good 255°T?
N a. 267°psc Y b. 270°psc N c. 272°psc N d. 274°psc 16618: What is the distance from your 0200 position to the point where Twenty-Eight Foot Shoal lighted buoy is abeam to starboard?
N a. 6.6 miles Y b. 6.9 miles N c. 7.1 miles N d. 7.3 miles 16643: At 0520 your position is LAT 41°07.2'N, LONG 71°41.6'W. You set course to leave Race Rock Light abeam to starboard at 0.5 mile. What is the course to steer per standard magnetic compass? (Assume no current)
N a. 301.5° N b. 305.0° Y c. 307.5° N d. 309.0°