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.
108: The horizontal clearance of the center span on the Baton Rouge RR and Highway 190 Bridge is __________.
N a. 443 N b. 500 Y c. 623 N d. 748 123: On which map would you find Redman Point, Arkansas?
Y a. 20 N b. 23 N c. 29 N d. 37 149: Your engines are turning for 8.2 mph. You estimate the current at 1.5 mph. What is your speed over the ground?
Y a. 9.7 mph N b. 8.8 mph N c. 8.2 mph N d. 6.7 mph 162: At 1923, you decrease speed to make good 9.2 mph. What is the first Gage you will pass after your speed change?
Y a. Cottonwood Point N b. New Madrid N c. Fulton N d. Tiptonville 253: According to the DR track line from your 0100 position, how far off Roanoke Point Shoal Buoy "5" should you be when the buoy is abeam?
N a. 1.8 mile N b. 1.3 mile Y c. 0.8 mile N d. 0.2 miles 268: 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 Y b. U.S. Coast Pilot N c. U.S. Coast Guard Light List N d. Inland Navigation Rules 317: Determine your 1915 position using the following information obtained at 1915.
Visual bearings
Cape Charles Light 107°pgc
Cape Henry Light 172°pgc
Radar Bearing and Range
Chesapeake Channel Tunnel South Light 189°pgc at 7.2 miles
N a. LAT 37°03.5'N, LONG 76°05.9'W N b. LAT 37°03.5'N, LONG 76°09.3'W Y c. LAT 37°09.3'N, LONG 76°03.1'W N d. LAT 37°09.8'N, LONG 76°04.1'W 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 366: At 0731, approximately how much water is under your keel?
N a. 26 feet (7.9 meters) Y b. 31 feet (9.4 meters) N c. 48 feet (14.5 meters) N d. 54 feet (16.4 meters) 373: What is your ETA at point "A"?
N a. 0702 N b. 0655 Y c. 0651 N d. 0640 384: What is the course per standard magnetic compass between points "A" and "B"?
N a. 099.5° Y b. 098.5° N c. 095.5° N d. 094.5° 490: At 0728, you change course to 080°T. When steady on course, the standard magnetic compass reads 097°. Which statement is TRUE?
Y a. The magnetic compass error is 17°W. N b. The magnetic heading is 090°. N c. The deviation is 1.0°E. N d. The gyro course is 083°pgc. 502: At 2142, you take the following bearings:
Stratford Point Light 331°T
Stratford Shoal Middle Ground Light 280°T
Old Field Point Light 223°T
What is your 2142 position?
N a. LAT 41°02.7'N, LONG 73°01.2'W Y b. LAT 41°03.0'N, LONG 73°01.7'W N c. LAT 41°03.1'N, LONG 73°01.3'W N d. LAT 41°03.3'N, LONG 73°01.9'W 512: At 0200, you take the following bearings:
Falkner Island Light 004.5°T
Kelsey Pt. Breakwater Lt. 054.0°T
Horton Point Light 115.0°T
What were the set and drift from 0130?
Y a. 260° at 1.0 knot N b. 080° at 0.5 knot N c. 260° at 0.5 knot N d. There is no current. 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 602: At 1845 zone time, on 24 October , you depart Bimini Island, LAT 25°50.0'N, LONG 77°00.0'W (ZD +5). You are bound for Bishop Rock, LAT 49°40.0'N, LONG 6°34.0'W, and you estimate your speed of advance at 13.6 knots. The distance is 3,491 miles. What is your estimated zone time of arrival at Bishop Rock?
N a. 0627, 3 November N b. 1642, 3 November N c. 0939, 4 November Y d. 1627, 4 November 667: You are planning a voyage from departure Seattle (LAT 48°30'N, LONG 125°00'W) to a position at LAT 44°00'N, LONG 161°00'E. Which statement is TRUE? (Use gnomonic chart WOXZC 5270.)
N a. You must plot a composite sailing to remain south of the Aleutians. N b. The northern hemisphere vertex lies to the west of your arrival position. Y c. Military exercises north of 53°N, between 150°W and 165°W, will not affect your voyage. N d. At your highest latitude, the sun will be visible at upper and lower transit if the voyage occurs on 21 June. 686: The Vaucluse Trench fill revetment on the LMR extends from mile __________.
Y a. 535.6 - 532.9 RDB N b. 535.9 - 534.3 RDB N c. 535.9 - 534.3 LDB N d. 534.3 - 532.6 LDB 755: You are taking a time tick using the 1400 signal from Buenos Aires, Argentina. You hear a 0.4 second dash followed by a series of dots, noting that the 29th and the 56th to 59th dots are omitted. At the start of the following 0.4 second dash (which is followed by an 8 second pulse), the comparing watch reads 01h 59m 57s. When compared to the chronometer, the comparing watch reads 02h 00m 38s, and the chronometer reads 02h 01m 33s. What is the chronometer error?
N a. 0m 03s slow N b. 0m 4ls slow Y c. 0m 52s fast N d. 1m 36s fast 1139: You are passing the Bayou Sara Gage which reads 3.9 feet. The low water reference plane for Bayo Sara is 5.25 feet. Which of the following statements is TRUE?
N a. The river level is above the Low Water Reference Plane. N b. Red Store Landing Revetment is ahead on your starboard side N c. This gage reading is at a lower elevation than the same reading on the Gage at Head of Passes. Y d. None of the above. 1186: On 16 November , your 0800 zone time DR position is LAT 25°11.0'N, LONG 117°41.0'W. Your vessel is on course 252°T at a speed of 14.5 knots. What is the zone time of local apparent noon (LAN)?
N a. 1131 N b. 1135 Y c. 1139 N d. 1144 1421: 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 1431: As you pass under the Greenville Highway Bridge, you estimate the current as 4.5 mph. What is the speed over the ground, if your vessel is making turns for 9 mph?
N a. 9.5 mph Y b. 13.5 mph N c. 14.5 mph N d. 16.5 mph 1735: As you pass under the Natchez-Vidalia Dual Bridge, the gage on the bridge reads 3.6 feet. If the highest point on your vessel is 62 ft. above the water, what is your vertical clearance?
Y a. 60.4 feet N b. 63.6 feet N c. 67.2 feet N d. 122.0 feet 1747: As you pass under the Greenville Highway Bridge, you estimate the current as 3.5 mph. What is the speed over the ground, if your vessel is making turns for 9 mph?
N a. 14.5 mph N b. 13.5 mph Y c. 12.5 mph N d. 11.5 mph 2126: 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 2172: On 11 October , at 0516 ZT, morning stars were observed, and the vessel's position was determined to be LAT 23°21.0'N, LONG 139°27.0'W. Your vessel is steaming at 14.0 knots on a course of 293°T. A sextant observation of the Sun's lower limb is made at 0927 ZT. The chronometer reads 06h 30m 21s, and the sextant altitude (hs) is 39°48.7'. The index error is 2.0' on the arc, and the chronometer error is 02m 56s fast. Your height of eye on the bridge is 63.0 feet. What is the azimuth (Zn) of this sight using the assumed position?
N a. 116.2°T Y b. 123.4°T N c. 126.2°T N d. 128.4°T 2180: On 12 April , at 0515 ZT, morning stars were observed, and the vessel's position was determined to be LAT 21°05'S, LONG 16°30'W. Your vessel is steaming at 19 knots on a course of 278°T. A sextant observation of the Sun's lower limb is made at 0930 ZT. The chronometer reads 10h 28m 25s, and the sextant altitude (hs) is 40°15.9'. The index error is 2.5' off the arc, and the chronometer error is 2m 15s slow. Your height of eye on the bridge is 57 feet. What are the intercept (a) and azimuth (Zn) from the assumed position of this sight?
N a. Zn 057.7°, a 15.4' T Y b. Zn 057.0°, a 17.7' A N c. Zn 122.3°, a 17.7' A N d. Zn 123.0°, a 22.7' A 2331: What is the coastwise distance from your 0731 fix to Wilmington, DE (LAT 39°43.2'N, LONG 75°31.5'W)?
N a. 339 miles N b. 309 miles N c. 245 miles Y d. 221 miles 2535: What is the mile point of Hickman, KY Gage?
N a. 846.4 AHP N b. 889.0 AHP Y c. 922.0 AHP N d. 937.2 AHP 2657: You are steering 349°T, and a light is picked up dead ahead at a distance of 17.2 miles at 2122. You change course to pass the light 4.5 miles off abeam to port. If you are making 19.5 knots, what is your ETA at the position 4.5 miles off the light?
N a. 2207 N b. 2210 Y c. 2213 N d. 2216 2854: Your vessel is on a course of 221°T at 15 knots. At 0319 a light bears 198.5°T, and at 0353 the light bears 176°T.
At what time and at what distance off will your vessel be when abeam of the light?
N a. 0407, 4.3 miles N b. 0410, 5.2 miles Y c. 0417, 6.0 miles N d. 0427, 7.4 miles 2911: What is indicated by the two light gray shaded areas that cross the river above False River Lt. (mile 251.0 AHP)?
N a. Ferry crossings Y b. Utility crossings N c. Aerial cable crossings N d. Bridge construction 3077: If the speed necessary for reaching port at a designated time is 23.7 knots and the pitch of the propeller is 20.8 feet, how many revolutions per minute will the shaft have to turn, assuming a 7% negative slip?
Y a. 108 N b. 112 N c. 116 N d. 124 3085: You must average 16.25 knots to reach port at a designated time. Your propeller has a pitch of 21'08", and you estimate 4% negative slip. How many RPM's must you average to arrive on time?
Y a. 73 RPM N b. 77 RPM N c. 82 RPM N d. 88 RPM 3455: You wish to make good a course of 230°T while turning for an engine speed of 12.5 knots. The set is 180°T, and the drift is 1.7 knots. What course should you steer?
N a. 244°T Y b. 236°T N c. 231°T N d. 222°T 3626: Your vessel is steering course 284°psc, variation for the area is 6°W, and deviation is 3°E. The wind is from the north-northeast, producing a 3° leeway. What true course are you making good?
N a. 275°T Y b. 278°T N c. 284°T N d. 290°T 12904: Your 0916 position is LAT 37°10.9'N, LONG 75°29.6'W. You are turning for 12.3 knots. What is your ETA at North Chesapeake Bay Entrance Buoy NCA?
N a. 1035 N b. 1043 Y c. 1051 N d. 1101 13703: NOAA weather broadcasts can be received on what frequency while navigating off Cape Henry?
N a. 162.45 MHz Y b. 162.55 MHz N c. 162.65 MHz N d. 162.70 MHz 13801: You are operating in the area approximately 2 miles southeast of Kelsey Point when you realize that your vessel's intended track will carry you over the wreck charted at LAT 41°13.5'N, LONG 72°29.6'W. Which statement is TRUE?
N a. The chart indicates the exact position of the wreck. N b. The wreck has been cleared by wire drag to a depth of 39 ft. Y c. The wreck represents a danger to surface navigation. N d. The wreck is visible above the sounding datum. 14003: At 1430 your vessel passes under the Interstate 5 highway bridge east bound. Your engines are making RPM's for 12 mph. If the current is ebbing at 3 mph, what is your ETA at Bonneville Lock?
N a. 1744 N b. 1753 N c. 1834 Y d. 1848 15057: At 0720, you are in the outer channel between buoy "1" and buoy "2" and change course to pass Townshend Ledge Lighted Gong Buoy "10A" abeam to port at 0.1 miles. What is the course to steer per gyro compass if a northerly wind causes 2° of leeway?
N a. 120°pgc N b. 118°pgc N c. 116°pgc Y d. 114°pgc 15059: From your 0740 position, you change course to pass 1.1 miles north of Falkner Island Light. Which of the following is true?
N a. you should consult the sailing directions for pilotage requirements N b. you will pass 1.5 nm off Branford Reef Light Y c. your course will keep you clear of the 18' shoal N d. None of the above 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 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 15644: At 2045 You take the following set of bearings:
Watch Hill Point Light bears 005° true
Montauk Point Light bears 350° true
Determine your 2103 fix.
Y a. LAT 41°09.2'N, LONG 71°52.5'W N b. LAT 41°09.1'N, LONG 71°52.2'W N c. LAT 41°09.0'N, LONG 71°52.9'W N d. LAT 41°08.8'N, LONG 71°52.5'W 15669: The area between Block Island and Montauk Point that is bounded by dashed magenta lines is a __________.
N a. naval exercise area N b. fish trap area Y c. submerged cable area N d. restricted navigation area 15718: Your vessel is entering New London Harbor Channel. If there is no current, what should you steer per gyro compass to stay on the range?
Y a. 351° N b. 354° N c. 357° N d. 006° 15813: According to the DR track line from your 0100 position, how far off Roanoke Point Shoal Buoy "5" should you be when the buoy is abeam?
N a. 0.2 mile Y b. 0.6 mile N c. 1.3 mile N d. 1.8 miles 16009: The maximum ebb current at a location 4.3 miles south of Stratford Point will occur at 0413. The predicted current will be 1.0 knot at 075°. What will be your course made good if you steer 082°T at 8 knots?
Y a. 081°T N b. 083°T N c. 085°T N d. 087°T 16059: At 1800, Tue Marshes Light bears 270°pgc, and York Spit Swash Channel Light "3" bears 007°pgc. Your position is __________.
N a. LAT 37°14.0'N, LONG 76°19.8'W N b. LAT 37°14.2'N, LONG 76°20.3'W Y c. LAT 37°14.2'N, LONG 76°20.1'W N d. LAT 37°14.5'N, LONG 76°20.0'W 16343: At 2302 you change course to compensate for an estimated current of 090°T, at 1.0 knot. What course per gyrocompass will you steer to leave Endeavor Shoals Lighted Gong Buoy "3" abeam to port at 1 mile?
N a. 324°pgc Y b. 327°pgc N c. 330°pgc N d. 333°pgc 16461: At 0400, you obtain the following information:
Sand Shoal Inlet South Light bearing 303° true @ 7.1nm
What is your 0400 position?
N a. LAT 37°14.2'N, LONG 75°40.7'W N b. LAT 37°14.1'N, LONG 75°41.3'W N c. LAT 37°14.1'N, LONG 75°40.5'W Y d. LAT 37°14.0'N, LONG 75°40.7'W