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.
38: What are the color and shape of Anconia Pt. Light at mile 528.6 AHP?
Y a. Green - Diamond N b. Green - Square N c. Red - Triangle N d. Red - Square 95: You complete changing out your tow and get underway enroute Memphis, Tennessee to deliver 2 tank barges. What is the distance you must travel from Cairo Point Light to the Lion Oil Refining Co. Docks in Memphis?
N a. 180.3 miles Y b. 220.2 miles N c. 246.5 miles N d. 734.3 miles 119: What is the length of the trip?
N a. 405.8 miles N b. 553.0 miles Y c. 904.0 miles N d. 1136.8 miles 139: What is the distance to Caruthersville Gage from Cape Girardeau?
N a. 54.4 miles Y b. 160.4 miles N c. 793.4 miles N d. 899.4 miles 167: The Arkansas City Yellow Bend revetment on the LMR extends from mile __________.
Y a. 555.5-549.7 RDB N b. 549.0-548.5 RDB N c. 556.9-554.9 LDB N d. 548.5-546.5 LDB 179: In order to check your compasses, you sight North Dumpling Island Light in line with Latimer Reef Light bearing 077°pgc. The helmsman was steering 307°pgc and 320° per standard magnetic compass at the time. Which statement is TRUE?
N a. The gyro error by observation is 2°E. N b. The deviation based on the observation is 15°W. Y c. The magnetic compass error is 14°W. N d. The true line of the range is 079°. 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 338: You passed Cape Henry Light at 0730 outbound at maximum flood. What approximate current can you expect on entering Chesapeake Channel?
N a. Slack before ebb N b. Slack before flood Y c. Flood current N d. Ebb current 508: Branford Reef is __________.
N a. a hard sand shoal marked with a light Y b. completely submerged at all stages of the tide N c. surrounded by rocks awash at low water spring tides N d. a small, low, sandy islet surrounded by shoal water 520: On 29 June you observe the star Achernar at a sextant altitude (Hs) of 54°18.9'. The index error is 4.7' off the arc. The height of eye is 58 feet. What is the observed altitude (Ho)?
N a. 54°06.1' Y b. 54°15.5' N c. 54°31.5' N d. 54°43.7' 529: You depart LAT 51°48.0'S, LONG 178°35.0'W and steam 179 miles on course 270°. What is the longitude of arrival?
N a. 173°47'W N b. 174°27'E Y c. 176°36'E N d. 179°52'W 542: You observe the planet Saturn at a sextant altitude (hs) of 63°05.1' on 25 May . The index error is 4.5' off the arc. The height of eye is 62 feet. What is the observed altitude (Ho)?
N a. 63°00.6' Y b. 63°01.5' N c. 63°02.9' N d. 63°04.1' 669: You are planning a voyage from Cape May (LAT 38°45'N, LONG 74°45'W) to Lisbon (LAT 38°37'N, LONG 09°45'W). Which of the following is TRUE? (Use gnomonic chart WOXZC 5274)
N a. Because the latitudes are almost the same, a great circle track approximates a parallel sailing. Y b. The northern hemisphere vertex is approximately at longitude 42°26'W. N c. The distance is measured by using the length of one degree of the meridian at the position of the vertex. N d. A composite sailing must be plotted to remain south of a limiting latitude of 44°N. 742: On 15 July , at 0447 ZT, your vessel's DR position is LAT 22°42'N, LONG 126°36'E. At approximately this time, you obtain a sextant altitude (hs) of Polaris reading 23°46.2' with an index error of 1.6' off the arc. Your chronometer reads 08h 48m 28s, and is 1m 16s fast. What is your latitude by Polaris, given a height of eye of 33 feet?
N a. 22°44.1'N N b. 22°46.2'N N c. 22°50.2'N Y d. 22°54.1'N 756: Anchorage regulations for this area may be obtained from __________.
N a. Commanding General, Corps of Engineers, Washington, D.C. Y b. Office of the Commander 5th Coast Guard District N c. Virginia - Maryland Pilots Association N d. Chesapeake Bay Port Authority, Hampton VA 847: On 17 December , your 0600 ZT fix gives you a position of LAT 27°16.7'N, LONG 138°39.2'W. Your vessel is on course 137°T, and your speed is 14.8 knots. Local apparent noon (LAN) occurs at 1207 ZT, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 40°22.1'. What is the calculated latitude at LAN?
N a. 26°09.9'N N b. 26°11.6'N N c. 26°13.0'N Y d. 26°15.4'N 1119: At 2142, on January 3, you pass Sebastapol Light (mile 283.3 AHP). At 0137, January 4, you pass Fort Adams Light(311.4 AHP). You have been turning for 9.0 mph. What was the current?
N a. 4.2 mph N b. 3.3 mph N c. 2.7 mph Y d. 1.8 mph 1190: On 12 February , your 0930 zone time DR position is LAT 25°20.0'N, LONG 30°40.0'W. Your vessel is on course 135°
T at a speed of 11.2 knots. What is the zone time of local apparent noon (LAN)?
N a. 1210 Y b. 1215 N c. 1220 N d. 1224 1277: On 22 June , your 0400 zone time DR position is LAT 23°00'N, LONG 81°45'W. You are steaming on course 110°T at a speed of 8.6 knots. What will be the zone time of sunrise at your vessel?
N a. 0537 Y b. 0541 N c. 0545 N d. 0547 1306: What is your clearance as you pass under the Vicksburg Highway 80 Bridge (mile 437.8 AHP). if the Vicksburg Gage reads 14.8 feet and the highest point on your tow boat is 44.5 feet?
N a. 36 feet N b. 42 feet N c. 48 feet Y d. 57 feet 1409: As you pass Solitude Lt. (mile 249.0 AHP) which dayboard would you see?
N a. Green square Y b. Green diamond N c. Red triangle N d. Red diamond 1479: On 6 November , your vessel's 0706 zone time DR position is LAT 25°30.0'N, LONG 85°35.0'W, when an azimuth of the Sun is observed. The chronometer time of the sight is 01h 03m 30s, and the Sun is bearing 114.0°pgc. The chronometer error is 02m 30s slow, and the variation in the area is 2°.
What is the gyro error?
N a. 0.8°E N b. 0.8°W N c. 2.0°W Y d. 2.0°E 1892: On 22 July , your 0442 DR position is LAT 26°35.6'N, LONG 22°16.7'W. You observe an unidentified star bearing 091°T at an observed altitude (Ho) of 64°35.2'. The chronometer reads 05h 39m 03s, and is 03m 14s slow. What star did you observe?
Y a. Hamal N b. Rigel N c. Menkar N d. Acamar 2209: The Helena Gage reads 9.4 feet. The high point on your towboat is 42 feet above water. What is the vertical clearance when you pass under the Helena Highway Bridge?
N a. 53.0 feet N b. 62.6 feet N c. 64.2 feet Y d. 68.0 feet 2321: 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 2330: At 0731, what is the approximate depth of water?
N a. 31 feet (9.4 meters) Y b. 41 feet (12.5 meters) N c. 52 feet (15.7 meters) N d. 58 feet (17.6 meters) 2887: Your vessel is steering 283°T at 10 knots. At 0538 a light bears 350°T, and at 0552 the same light bears 002°T. What will be your distance off abeam?
N a. 9.6 miles Y b. 10.3 miles N c. 10.7 miles N d. 11.3 miles 3279: While steaming at 15.0 knots, your vessel consumes 326 barrels of fuel oil per day. In order to reduce consumption to 178 barrels of fuel oil per day, what is the maximum speed the vessel can turn for?
N a. 8.1 knots N b. 8.5 knots N c. 11.1 knots Y d. 12.2 knots 3605: The true course from point A to point B is 317°. A SSW wind causes a 4° leeway, variation is 6°W and deviation is 1°E. What is the magnetic compass course to steer to make good the true course?
N a. 326°psc Y b. 318°psc N c. 313°psc N d. 308°psc 3621: Your vessel is steering course 216° per standard magnetic compass, variation for the area is 9°W, and deviation is 2°E. The wind is from the east, producing a 5° leeway. What true course are you making good?
N a. 204°T Y b. 214°T N c. 223°T N d. 227°T 10201: Your present position is LAT 41°05.5'N, LONG 72°38.0'W. Assuming that there are no set and drift, what course must you steer per standard magnetic compass (psc) to arrive at a position 0.5 mile due south of New Haven Lighted whistle Buoy NH?
N a. 315.5°psc Y b. 310.5°psc N c. 290.5°psc N d. 284.5°psc 10508: At 0919 your position is LAT 37°00.0'N, LONG 75°30.0'W. You are on course 270°T at 8.7 knots. At 1000 your position is LAT 37°00.5'N, LONG 75°37.0'W. What was the set and drift?
N a. 010° at 0.5 knot N b. 017° at 1.0 knot N c. 020° at 0.4 knot Y d. 032° at 0.9 knot 10704: At 2038 your position is LAT 41°09.2'N, LONG 71°40.6'W. You are on course 301° per standard magnetic compass at 7.2 knots. At 2152 your position is LAT 41°11.3'N, LONG 71°48.6'W. What were the set and drift?
N a. 080°T at 1.0 knot Y b. 096°T at 2.0 knots N c. 261°T at 1.2 knots N d. 277°T at 0.9 knot 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 13106: At 1048 you are in the entrance to Great Salt Pond on Block Island with buoy "5" close aboard. What is your ETA at the west gap of Point Judith Harbor of Refuge if you make good 11.3 knots?
Y a. 1144 N b. 1154 N c. 1159 N d. 1205 13106: At 1048 you are in the entrance to Great Salt Pond on Block Island with buoy "5" close aboard. What is your ETA at the west gap of Point Judith Harbor of Refuge if you make good 11.3 knots?
Y a. 1144 N b. 1154 N c. 1159 N d. 1205 14200: What is the length of the city wharf at The Dalles on the Columbia River?
N a. 20 feet Y b. over 1000 feet N c. 800 feet N d. 600 feet 14401: You are underway and steaming in an easterly direction on the Columbia River. Your vessel is positioned in the middle half of Cape Horn Channel and is abeam of Cape Horn Light. What should your fathometer read at this position, if the staff gauge at Portland reads 0 feet?
N a. 16 feet N b. 18 feet Y c. 22 feet N d. 24 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 15313: From your noon position, if there is no set and drift, what is your course per standard magnetic compass to the "NCA"
(LL #375) buoy?
N a. 215°psc Y b. 217°psc N c. 219°psc N d. 221°psc 15618: If you want a more detailed chart of the area at your 2115 DR position, which chart should you use?
N a. 12222 Y b. 12224 N c. 12225 N d. 12238 15661: At 0727, the cupola on Fishers Island is in line with Latimer Reef Light bearing 024°pgc. Based on this, the gyro error is __________.
N a. 2°E N b. 1°E N c. 0° Y d. 3°W 15713: What do the dotted lines around Goose Island and Kimberly Reef represent?
N a. Limiting danger N b. Breakers Y c. Depth contours N d. Tide rips 15724: You pass Morrison Towhead Light (mile 890.5 AHP) at 1723. What was your average speed since leaving Cairo?
N a. 7.5 mph N b. 7.8 mph Y c. 8.5 mph N d. 8.8 mph 15859: You are turning for 9 knots on course 230°T. At 0023,
Horton Point Light bears 208°pgc. At 0053, Horton Point Light bears 126°pgc. What is the position of your 0053 running fix?
N a. LAT 41°05.7'N, LONG 72°27.6'W N b. LAT 41°05.8'N, LONG 72°28.1'W N c. LAT 41°05.9'N, LONG 72°27.4'W Y d. LAT 41°06.0'N, LONG 72°28.2'W 15863: If the current is 050° at 0.9 knot, and a northerly wind causes 3° of leeway. What is the course to steer per gyro compass to make good 280°T if you are turning for 9 knots?
N a. 284°pgc N b. 279°pgc Y c. 276°pgc N d. 273°pgc 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 16108: From your 0410 fix, what is the course per standard magnetic compass to the entrance to York Spit Channel between buoys "37" and "38"?
N a. 178° Y b. 176° N c. 156° N d. 152° 16460: At 0250, Great Machipongo Inlet Light "5" (37°21.8'N,
75°43.7'W) bears 279°pgc. At 0320, the light bears 320°
pgc. If you are making good 6.5 knots, what is the position of your 0320 running fix?
N a. LAT 37°17.95'N, LONG 75°39.95'W N b. LAT 37°18.00'N, LONG 75°39.75'W N c. LAT 37°18.10'N, LONG 75°39.30'W Y d. LAT 37°18.10'N, LONG 75°39.55'W 16508: At 0700, your gyro alarm sounds. What course should you steer by the standard magnetic compass in order to maintain your original heading of 078°T?
N a. 062°psc N b. 080°psc N c. 090°psc Y d. 095°psc 16845: After the pilot boards, he tells you the gyro has a 2°E error. If this is true, what should the bearing be along Trestle C of the Chesapeake Bay Bridge-Tunnel as your vessel passes abeam of it?
N a. 052°pgc N b. 049°pgc Y c. 047°pgc N d. 045°pgc