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 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. 154: You see a buoy with red and green bands. This buoy marks __________.
N a. the center of the channel Y b. the preferred channel N c. a channel crossing N d. an isolated danger 189: At 0645, Watch Hill Point (left tangent) bears 316.5°pgc at 2.75 miles. What was the speed made good between 0600 and 0645?
N a. 8.1 knots N b. 9.8 knots Y c. 10.3 knots N d. 11.4 knots 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 266: From your 0740 position, you change course to pass 1.1 miles north of Falkner Island Light. What loran reading will ensure that you will remain clear of the 18' shoal located 1 mile NW of Falkner Island Light?
Y a. 9960 Y: not less than 44014 N b. 9960 X: not more than 26452 N c. 9960 W: not less than 14942 N d. None of the above 301: You depart LAT 28°55.0'N, LONG 89°10.0'W, enroute to LAT 24°25.0'N, LONG 83°00.0'W. Determine the true course and distance by mid-latitude sailing?
N a. 418 miles, 122°T Y b. 427 miles, 129°T N c. 436 miles, 133°T N d. 442 miles, 122°T 331: You leave York Spit Channel at buoy "14" at 0600 with an engine speed of 12 knots. You receive orders to rendezvous with the tug "Quicksilver" and her tow at Hog Island Bell Buoy "12". What is your ETA at the rendezvous point, if you pass through Chesapeake Channel to buoy "CBJ", through the outbound traffic separation lane to buoy "NCA" (LL#375), and then to the rendezvous point?
N a. 0935 Y b. 0910 N c. 0850 N d. 0830 336: What speed have you made good from 1710 to 1810?
Y a. 6.3 knots N b. 5.5 knots N c. 4.9 knots N d. 4.2 knots 373: What is your ETA at point "A"?
N a. 0702 N b. 0655 Y c. 0651 N d. 0640 381: 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?
Y a. 129°pgc N b. 123°pgc N c. 117°pgc N d. 109°pgc 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 446: 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 N b. Set 195°, drift 0.7 knot N c. Set 015°, drift 0.7 knot Y d. Set 195°, drift 0.5 knot 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 1 822: On 10 March , in DR position LAT 21°42.0'S, LONG 57°28.0'E, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 08h 28m 17s, and the chronometer error is 00m 00s. The sextant altitude (hs) is 72°08.0'. The index error is 3.4' on the arc, and your height of eye is 52.7 feet. What is the latitude at meridian transit?
N a. LAT 21°32.5'S N b. LAT 21°40.6'S Y c. LAT 21°45.5'S N d. LAT 21°50.2'S 982: On 15 August , your 0512 zone time position was LAT 29°18.0'N, LONG 57°24.0'W. Your vessel was steaming on course 262°T at a speed of 20.0 knots. An observation of the Sun's lower limb was made at 0824 ZT. The chronometer read 00h 22m 24s and was slow 01m 34s. The observed altitude (Ho) was 38°16.7'. LAN occurred at 1204 zone time.
The observed altitude (Ho) was 74°58.0'. What was the longitude of your 1204 zone time running fix?
N a. LONG 59°52.0'W N b. LONG 59°54.0'W Y c. LONG 59°58.5'W N d. LONG 60°02.0'W 1082: On 20 Nov. , your 1030 ZT DR position is LAT 27°16.0'N, LONG 157°18.6'E. You are on course 060°T at a speed of 20 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1200 running fix. NP-0012
N a. LAT 27°16.8'N, LONG 157°30.5'E N b. LAT 27°22.6'N, LONG 157°37.8'E Y c. LAT 27°29.7'N, LONG 157°43.0'E N d. LAT 27°33.4'N, LONG 157°48.2'E 1097: On 9 November , your 0400 DR position is LAT 18°24.0'S, LONG 97°36.0'W. You are on course 138°T at a speed of 16 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix. NP-0027
N a. LAT 18°15.0'S, LONG 98°52.5'W Y b. LAT 18°45.0'S, LONG 97°06.8'W N c. LAT 18°52.5'S, LONG 97°10.6'W N d. LAT 19°15.5'S, LONG 98°08.8'W 1255: On 12 June , your 0400 ZT DR position is LAT 22°31.0'N, LONG 31°45.0'W. You are on course 240°T at a speed of 16.5 knots. What will be the zone time of sunrise at your vessel?
N a. 0507 N b. 0515 Y c. 0523 N d. 0645 1289: The horizontal clearance of the center span on the Baton Rouge RR and Highway 190 Bridge is __________.
N a. 443 N b. 500 N c. 575 Y d. 623 1303: On which map would you find Redman Point, Arkansas?
Y a. 20 N b. 38 N c. 45 N d. 60 1679: On 13 October , your vessel's 1722 zone time DR position is LAT 27°36'S, LONG 136°16'E, when an amplitude of the Sun is observed. The Sun's center is on the celestial horizon and bears 266° per standard magnetic compass. Variation in the area is 2°W. The chronometer reads 08h 24m 19s and is 01m 43s fast. What is the deviation of the standard magnetic compass?
N a. 2.3°E Y b. 2.8°W N c. 4.8°E N d. 6.8°W 1680: On 31 October , your 1700 zone time DR position is LAT 27°17.0'N, LONG 116°10.0'W, when an amplitude of the Sun is observed. The Sun's center is on the visible horizon and bears 246.5° per standard magnetic compass. Variation in the area is 8.5°E. The chronometer reads 01h 01m 23s and the chronometer error is 01m 54s slow. What is the deviation of the standard compass?
N a. 0.8°E Y b. 0.8°W N c. 2.5°E N d. 2.5°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 1782: At 2043 ZT, on 13 October , in DR position LAT 43°57.3'S, LONG 147°16.0'E, you observe an amplitude of Venus. The planet is about one Sun's diameter above the horizon and bears 236.2°pgc. The variation is 15°E. What is the gyro error?
Y a. 0.0° N b. 0.9°E N c. 1.8°E N d. 0.4°W 1914: On 14 January , your 0550 DR position is LAT 25°26.0'N, LONG 38°16.0'W. You observe an unidentified star bearing 192°T at an observed altitude (Ho) of 06°15.2'. The chronometer reads 08h 48m 51s, and is 01m 22s slow. What star did you observe?
N a. Gienah N b. Kochab Y c. Gacrux N d. Eltanin 1923: On 17 March , your 1845 DR position is LAT 25°10.0'N, LONG 66°48.0'W. You observe an unidentified star bearing 077°T at an observed altitude (Ho) of 67°04.4'. The chronometer reads 10h 47m 49s, and is 1m 54s fast. What star did you observe?
N a. Capella N b. Mirfak Y c. Pollux N d. Rigel 1949: The circle with black and white quadrants located at mile 435.6 AHP is a __________.
N a. Daymark N b. Electrical Tower Y c. River Gage N d. Information Board 2152: On 25 June , at 0612 zone time, morning stars were observed, and the vessel's position was determined to be LAT 28°13.0'S, LONG 49°34.0'E. Your vessel is steaming at 17.0 knots on a course of 066°T. A sextant observation of the Sun's lower limb is made at 1022 zone time. The chronometer reads 07h 19m 17s, and the sextant altitude is 35°26.3'. The index error is 1.5' on the arc, and the chronometer error is 02m 51s slow. Your height of eye on the bridge is 58.0 feet. What is the azimuth (Zn) of this sight using the assumed position?
Y a. 021.5°T N b. 157.5°T N c. 201.5°T N d. 338.5°T 2204: The Clinch River empties into which river?
N a. Arkansas N b. Mississippi N c. Ohio Y d. Tennessee 2290: You observe the lower limb of the Sun at a sextant altitude (hs) of 75°12.3' on 6 August . The index error is 1.5' off the arc. The height of eye is 32 feet (9.8 meters). What is the observed altitude (Ho)?
N a. 75°18.6' Y b. 75°24.0' N c. 75°30.7' N d. 75°34.6' 2656: You are steering 257°T, and a light is picked up dead ahead at a distance of 13.3 miles at 2016. You change course to pass the light 4 miles off abeam to starboard. If you are making 18.5 knots, what is your ETA at the position 4 miles off the light?
Y a. 2057 N b. 2100 N c. 2103 N d. 2113 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 3305: You have steamed 201 miles and consumed 18.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 482 miles?
N a. 25.2 tons Y b. 43.2 tons N c. 52.6 tons N d. 103.5 tons 3465: You are underway on course 000°T at 9.5 knots. The current is 082°T at 1.1 knots. What is the course being made good?
Y a. 007°T N b. 009°T N c. 021°T N d. 353°T 10104: Your GPS position is LAT 36°55.2'N, LONG 75°33.1'W. What is the course per standard magnetic compass to Rudee Inlet (LAT 36°49.8'N, LONG 75°58.0'W)?
N a. 246.0°psc N b. 254.5°psc N c. 261.0°psc Y d. 265.5°psc 11401: At 1520 your GPS position is LAT 41°13.1'N, LONG 72°16.1'W. At 1630 your position is LAT 41°17.5'N, LONG 72°04.7'W. What were your true course and speed made good?
N a. 344° at 8.2 knots N b. 077° at 9.5 knots Y c. 063° at 8.3 knots N d. 059° at 8.1 knots 11900: What is the true course to steer between the entrance to Great Salt Pond (LAT 41°12.0'N, LONG 71°35.6'W) and the entrance to Quonochontaug Pond (LAT 41°19.8'N, LONG 71°43.2'W), if you are turning for 8.5 knots, and you allow for a current of 247°T at 1.2 knots, and an easterly wind is causing 2° of leeway?
N a. 314°T N b. 320°T N c. 328°T Y d. 333°T 13309: What type of bottom can be expected at the northern end of York Spit Channel?
N a. Hard clay N b. Fine gray sand N c. Soft black mud Y d. Mud and sand 15027: You are passing the Memphis Gage at 0405, 18 March. If you are turning for 8 mph and estimate the current at 0.9 mph, what is your ETA at Cairo Point, IL (mile 954.5 AHP)?
N a. 0447, 19 Mar Y b. 1052, 19 Mar N c. 1518, 19 Mar N d. 1808, 19 Mar 15038: At 0705 you obtained the following Loran readings:
9960-X-27091.2
9960-Y-41612.8
9960-Z-58744.2
What is your vessel's position?
N a. 37°20.4'N 75°30.2'W Y b. 37°20.8'N 75°29.9'W N c. 37°21.3'N 75°29.5'W N d. 37°21.2'N 75°30.4'W 15408: From your 1430 fix, you order turns for 8 knots. You steer 045°T and experience no set and drift. At what time would you expect to have New Point Comfort Spit Light "4" abeam?
N a. 1452 Y b. 1458 N c. 1504 N d. 1510 15544: At 2310 your position is LAT 41°05.5'N, LONG 72°33.7'W and you change course to make good 068°T. A radar speed check using Twenty Eight Foot Shoal Buoy indicates your speed over the ground is 13.6 knots. At 2325 Horton Point Light bears 129°T. At 2341 the same light bears 194°T. What is the position of your 2341 running fix?
N a. LAT 41°07.9'N, LONG 72°25.9'W N b. LAT 41°08.3'N, LONG 72°25.8'W Y c. LAT 41°08.5'N, LONG 72°25.6'W N d. LAT 41°08.8'N, LONG 72°25.2'W 15613: Which statement concerning your 1920 position is TRUE?
Y a. You are entering a restricted area. N b. You are governed by the Inland Rules of the Road. N c. You are within the Chesapeake Bay Entrance traffic separation scheme. N d. You can expect differences of as much as 6° from the normal magnetic variation of the area. 15630: 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 __________.
N a. transit N b. chute Y c. crossing N d. slough 15645: You round Montauk Point and steer to make good 206°T. Speed is increased to 13.0 knots. The current, if any, is unknown. The visibility has improved and is estimated to be 5 miles. At 2144 Montauk Point Light bears 273°T. At 2202 the same light bears 320°T. Which statement concerning your 2202 running fix is TRUE?
N a. You are inside the lobster pot area. Y b. The fathometer reads about 12 fathoms. N c. You are inside of the 90 foot curve. N d. You are outside the boundary of the Territorial Sea and Contiguous Zone. 15662: At 0748, you take the following bearings:
Watch Hill Point Light bearing 026.5°pgc
Race Point Light bearing 275.5°pgc
What is the approximate depth of water under the keel at this position?
N a. 325 feet (98.5 meters) N b. 175 feet (53.0 meters) N c. 130 feet (39.4 meters) Y d. 112 feet (33.9 meters) 15839: From your 2000 position you change course to 206°T. What time would you expect to be abeam of Hog Island Buoy "12"?
N a. 2021 Y b. 2026 N c. 2031 N d. 2040 16107: If the visibility is 5 miles and you are in the red sector,
at what distance off should you sight Cape Henry Light?
N a. 15 miles N b. 13 miles N c. 11 miles Y d. 09 miles 16368: Why should mariners use extreme care when navigating within the precautionary area centered on Chesapeake Bay Entrance Junction Lighted Gong Buoy CBJ?
N a. There are numerous underwater obstructions that are a hazard to vessels with drafts exceeding 2 meters (6.5 feet). N b. Fishing vessels of limited maneuverability routinely operate in this area when hunting oyster and crabs. Y c. Vessels may approach from different directions from the inbound separation lanes and from Chesapeake and Thimble Shoal Channel. N d. Large naval vessels having the right of way often enter the area when bound to or from the Norfolk Naval Base. 16542: At 2308 your position is LAT 41°12.7'N, LONG 72°22.8'W.
You steer a course to make good 255°T from this position. At 2310 you receive a distress call from a vessel anchored 2.1 miles due north of Mattituck Inlet Light. If you change course at 2314, what is the course to steer per gyrocompass to arrive at the distress site if you allow 2°
leeway for northerly winds, 3°E gyro error and correct your course for a current of 073°T at 1.3 knots?
N a. 208°pgc N b. 212°pgc N c. 216°pgc Y d. 220°pgc 16564: If your height of eye is 45 feet (13.7 meters), what is the approximate geographic range of Block Island North Light?
N a. 7.8 nm N b. 8.9 nm N c. 13.0 nm Y d. 16.7 nm 16616: At 0130, your position is LAT 41°09.3'N, LONG 72°46.9'W when you change course to 086°T. If you make good 086°T,
what is the closest point of approach to Twenty-Eight Foot Shoal Lighted Buoy?
N a. 0.7 mile Y b. 0.9 mile N c. 1.1 miles N d. 1.2 miles