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.
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 308: A vessel at LAT 20°00'N, LONG 107°30'W is to proceed to LAT 24°40'N, LONG 112°30 W. What is the course and distance by mid-latitude sailing?
N a. 314.0°T, 389.0 miles Y b. 315.3°T, 394.0 miles N c. 317.2°T, 397.0 miles N d. 318.3°T, 399.0 miles 322: From your 2200 fix, you steer course 288°T to travel up the Thimble Shoal North Auxiliary Channel. If you are making good 6.0 knots, at what time would you expect to pass buoy "18" at the west end of the channel? (There are no set and drift.)
N a. 2355 Y b. 2344 N c. 2335 N d. 2324 346: At 0415, you take the following bearings:
Stratford Point Light 329.5°pgc
Middle Ground Light 223.5°pgc
Old Field Point Light 199.5°pgc
Which statement is TRUE?
N a. The current's drift is greater than predicted. Y b. You are to the right of your intended track line. N c. The course made good since 0352 is 081°T. N d. Your fathometer reads about 76 fathoms. 398: You depart LAT 32°16.6'N, LONG 68°28.0'W. What is the course and distance as calculated by Mercator sailing to a position at LAT 43°12.2'N, LONG 55°39.0'W?
Y a. 042.8°T, 896.2 miles N b. 049.1°T, 955.1 miles N c. 132.8°T, 896.2 miles N d. 136.6°T, 955.1 miles 452: Determine the great circle distance and initial course from LAT 35°17.6'N, LONG 144°23.0'E to LAT 47°36.0'N, LONG 124°22.0'W.
N a. 3946 miles, 312°T Y b. 3931 miles, 048°T N c. 3881 miles, 042°T N d. 3718 miles, 318°T 494: What action should you take to compensate for the above current?
N a. Continue on the same course and speed. N b. Alter your course to the right. N c. Slow to 8.5 knots. Y d. Alter your course to the left. 522: In clear weather, how far away will you sight Point Judith Light? (use charted range of 20 miles as nominal range)
Y a. 14.0 nm N b. 12.3 nm N c. 10.6 nm N d. 9.2 nm 988: On 29 June , your 0800 zone time fix gives you a position of LAT 26°16.0'S, LONG 61°04.0'E. Your vessel is steaming a course of 079°T at a speed of 15.5 knots. An observation of the Sun's upper limb is made at 0905 zone time, and the observed altitude (Ho) is 25°20.1. The chronometer reads 05h 08m 12s, and the chronometer error is 02m 27s fast. Local apparent noon occurs at 1154 zone time, and a meridian altitude of the Sun's lower limb is made. The observed altitude (Ho) for this sight is 40°44.2'. Determine the vessel's 1200 zone time position.
Y a. LAT 26°02.0'S, LONG 62°05.0'E N b. LAT 26°02.0'S, LONG 62°23.2'E N c. LAT 26°05.1'S, LONG 62°06.3'E N d. LAT 25°56.0'S, LONG 62°03.0'E 1142: At 1132, 24 May, you pass Natchez Beam Lt. (mile 364.8 AHP). What is your ETA off the Memphis Gage if you average 8.0 mph?
N a. 2345, 25 May Y b. 0947, 26 May N c. 1525, 26 May N d. 2215, 26 May 1216: It is 8 March and you are keeping zone time -3. You are on course 104°T, speed 21 knots. Your 0830 DR position is LAT 25°35.0'S, LONG 66°34.0'E. What is the time of the second estimate of LAN by ship's clocks?
Y a. 10h 41m 26s N b. 11h 15m 34s N c. 11h 17m 32s N d. 11h 36m 54s 1244: If your vessel is making turns for 7.5 mph with an estimated average current of 1.5 mph, what is your ETA at the dock in Angelina, LA?
Y a. 1621, 28 Dec N b. 2203, 28 Dec N c. 0516, 29 Dec N d. 1621, 29 Dec 1300: You estimate the current as 2.5 mph. What is the speed over the ground?
N a. 11.0 mph N b. 8.0 mph Y c. 6.0 mph N d. 5.5 mph 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 1423: 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 1809: Which daymark would you see at Shields Bar Lt. (mile 882.2 AHP)?
N a. Red triangle N b. Green triangle Y c. Red diamond N d. Green square 1922: On 17 March , your 1845 DR position is LAT 25°10.0'N, LONG 66°48.0'W. You observe an unidentified star bearing 320°T at an observed altitude (Ho) of 50°02.9'. The chronometer reads 10h 47m 49s, and is 1m 54s fast. What star did you observe?
N a. Capella Y b. Mirfak N c. Pollux N d. Rigel 2021: On 29 April , your 0300 ZT DR position is LAT 28°39'N, LONG 168°03'E. You are on course 108°T at a speed of 22 knots. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time?
Y a. Moon, Alpheratz, Polaris N b. Deneb, Dubhe, Zubenelgenubi N c. Venus, Polaris, Arcturus N d. Moon, Altair, Sabik 2203: You have orders to drop off the empties at the fleeting area at Cairo Point and add five loaded tank barges to your tow. If you are turning for 9 mph and estimate the current at 1.5 mph, what is your ETA at Cairo?
N a. 2210, 22 June N b. 1741, 22 June Y c. 1423, 22 June N d. 1031, 22 June 2402: You will enter waters governed by the International Rules when __________.
N a. you cross the territorial sea boundary line N b. enter the pilotage area N c. you cross the boundary of the contiguous zone Y d. Cape Henry Light bears 202°T 2585: At 2000 you plot your position as: LAT 41°11'N, LONG 072°35'W. The set and drift is 095°T at 0.8 knot. What course must you steer, and what engine speed must you turn, in order to make good 255°T at 8.5 knots?
Y a. 257°T, 9.3 knots N b. 253°T, 9.3 knots N c. 257°T, 7.7 knots N d. 253°T, 7.7 knots 2692: While on a course of 097°pgc, a light bears 8° on the port bow at a distance of 11.7 miles. What course should you steer to pass 3 miles abeam of the light leaving it to port?
N a. 082°pgc N b. 091°pgc Y c. 104°pgc N d. 112°pgc 2692: While on a course of 097°pgc, a light bears 8° on the port bow at a distance of 11.7 miles. What course should you steer to pass 3 miles abeam of the light leaving it to port?
N a. 082°pgc N b. 091°pgc Y c. 104°pgc N d. 112°pgc 2862: Your are on course 317°T at 13 knots. A light is bearing 22.5° relative at 0640. At 0659 the same light is bearing 45° relative. At what time should the light be abeam?
N a. 0709 Y b. 0712 N c. 0718 N d. 0721 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 3267: Your vessel arrives in port with sufficient fuel to steam 726 miles at 16 knots. If you are unable to take on bunkers, at what speed must you proceed to reach your next port, 873 miles distant?
Y a. 14.6 knots N b. 15.1 knots N c. 16.3 knots N d. 16.8 knots 3288: While steaming at 13.5 knots, your vessel consumes 251 barrels of fuel oil per day. In order to reduce consumption to 129 barrels of fuel oil per day, what is the maximum speed the vessel can turn for?
N a. 6.9 knots N b. 9.7 knots Y c. 10.8 knots N d. 12.7 knots 3299: You have steamed 174 miles and consumed 18 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 416 miles?
N a. 34.9 tons N b. 38.4 tons Y c. 43.0 tons N d. 46.2 tons 3310: You have steamed 216 miles and consumed 19.0 tons of fuel. If you maintain the same speed, how many tons of fuel will you consume while steaming 315 miles?
Y a. 27.7 tons N b. 32.3 tons N c. 36.9 tons N d. 40.4 tons 10108: What is the base course per standard magnetic compass while southbound in the middle leg of York Spit Channel?
N a. 161.0°psc N b. 165.5°psc N c. 180.0°psc Y d. 184.0°psc 10204: 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 5 miles due south of Saybrook Breakwater Light?
N a. 089°psc Y b. 080°psc N c. 077°psc N d. 066°psc 10612: You are taking a time tick using the 2000 signal from Kekaha-Kauai, Hawaii (WWVH). You hear a series of 1 second dashes followed by a 9 second silent period, then a long 1.3 second dash. At the beginning of the long dash, your comparing watch reads 08h 00m 08s. When compared to the chronometer, the comparing watch reads 08h 01m 15s, and the chronometer reads 07h 59m 55s. What is the chronometer error?
N a. 0m 08s fast N b. 1m 07s fast Y c. 1m 12s slow N d. 1m 28s slow 10904: What is the distance from Chesapeake Bay entrance to Baltimore?
Y a. 150 nm N b. 162 nm N c. 173 nm N d. 247 nm 12101: You sight Thimble Shoal Light in line with Old Point Comfort Light bearing 267° per standard magnetic compass. You are on course 182°psc. Based on this, you know __________.
Y a. the existing deviation is correct for that heading N b. you should adjust your compass N c. the compass error is 2°W N d. the variation is 11°W 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 13009: Your 1830 position is LAT 41°05.4'N, LONG 72°59.4'W. You are making turns for 9 knots. What is your ETA at Mattituck Inlet?
Y a. 2044 N b. 2052 N c. 2059 N d. 2106 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 13507: Areas enclosed by a long and short dashed magenta line indicate __________.
N a. cable areas N b. dumping grounds Y c. fish trap areas N d. precautionary areas 14102: Your vessel is awaiting lockage at Bonneville Locks when you notice that the lock is displaying an amber signal light. What type of vessel is allowed to enter the chamber under this signal?
N a. Vessels owned or operated by the United States N b. Passenger vessels Y c. Commercial freight and log-tow vessels N d. All vessels 14300: What is the height above the water of Government Island Upper Range, lower light?
Y a. 20 feet N b. 24 feet N c. 38 feet N d. 42 feet 15070: As you enter New London Harbor, you are steering on the entrance range. The lights are in line over the bow as you are heading 352°pgc. What is the gyro error?
Y a. 2°E N b. 0° N c. 1°W N d. 3°W 15345: You are making good a course of 060°T at a speed of 13.5 knots. At 1855 Block Island North Light bears 086°T; at 1910 Block Island North Light bears 108°T; and at 1930 the same light bears 184°T. Which statement is TRUE about your 1930 running fix position?
Y a. You are on the edge of a cable area. N b. The bottom is mud, sand, and clay. N c. The wavy magenta lines to the north through east of your position are designated lobstering areas. N d. You are inside the 120 fathom curve 15359: Based on your running fix, you __________.
N a. have a head current Y b. have a following current N c. are being set to the north N d. are not affected by a current 15369: Horton Point Light __________.
Y a. is shown from a white square tower N b. has a fixed green light N c. is 14 feet above sea level N d. is synchronized with a radio beacon 15728: What company does NOT have a marine facility along the river bank in Helena (mile 658 to 665 AHP)?
Y a. Helena Grain Co. N b. Helena Port Terminal, Inc. N c. Arkansas Power & Light Co. N d. Texas Eastern Pipeline Co. 15728: What company does NOT have a marine facility along the river bank in Helena (mile 658 to 665 AHP)?
Y a. Helena Grain Co. N b. Helena Port Terminal, Inc. N c. Arkansas Power & Light Co. N d. Texas Eastern Pipeline Co. 16020: If visibility permits, Orient Point Light will break the horizon at a range of about __________.
N a. 9.3 miles N b. 10.8 miles Y c. 13.9 miles N d. 17.0 miles 16110: If you are making 8.3 knots over the ground, what is your ETA at the first turning point in York Spit Channel between buoys "29" and "30"?
N a. 0444 N b. 0456 N c. 0508 Y d. 0522 16208: What is your ETA at point "A"?
N a. 0640 Y b. 0651 N c. 0655 N d. 0702 16211: 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?
N a. 20.4 miles N b. 23.7 miles N c. 23.9 miles Y d. 24.4 miles 16346: After passing through the Race, enroute to Bridgeport, CN,
and Race Rock Light is 2 miles astern you notice an equal interval flashing red light on the starboard side. This light is __________.
N a. New London Airport Aerobeacon Y b. New London Harbor Light N c. New London Ledge Light N d. Bartlett Reef Light 16638: At 0400 your position is:
Latitude 40° 50.2' North
Longitude 071° 36.2' West
From your 0400 fix, you steer a course to make good 347°T at 12.5 knots. Visibility is good. What is the earliest time you can expect to raise Montauk Point Light? (Nominal range - 24 miles, height above water - 168 feet)
Y a. The light is visible at 0400. N b. 0426 N c. 0435 N d. 0442 16717: At 0705, you take the following bearings:
Watch Hill Light 030.5°pgc
Latimer Reef Light 329.0°pgc
Race Rock Light 262.0°pgc
What was the true course made good between 0645 and 0705?
N a. 252°T Y b. 256°T N c. 263°T N d. 266°T