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.
225: From your 1920 position, you change course to enter Chesapeake Channel between buoys 9 and 10. What is the course per standard magnetic compass (psc) ?
N a. 274°psc N b. 280°psc Y c. 283°psc N d. 286°psc 232: At 0700, Stratford Shoal Middle Ground Light bears 137°pgc. From your radar, you get a bearing of 007°pgc to the south tip of Stratford Point with a range of 4.5 miles. What is your 0700 position?
N a. LAT 41°04.6'N, LONG 73°07.0'W N b. LAT 41°04.6'N, LONG 73°06.6'W N c. LAT 41°04.6'N, LONG 73°07.4'W Y d. LAT 41°04.6'N, LONG 73°07.2'W 324: The mean high water level at Old Point Comfort is __________.
N a. 3.3 feet (1.1 meters) Y b. 2.6 feet (0.8 meters) N c. 1.2 feet (0.4 meters) N d. 0.0 443: At 1104, Watch Hill Point Light is in line with Stonington Outer Breakwater Light, the range to the south tip of Watch Hill Point is 2.6 miles and the range to the beach is 1.9 miles. You are steering to make good 075°T, speed 10.0 knots. At 1110, you change course to head for a position of LAT 41°05.0'N, LONG 71°50.0'W. What is the true course?
N a. 193° Y b. 190° N c. 187° N d. 185° 514: The shoreline along Rocky Point should give a good radar return because __________.
Y a. the shore is bluff and rocky N b. of offshore exposed rocks N c. submerged reefs cause prominent breakers N d. the lookout tower is marked with radar reflectors 547: At 0705, you change course to head for The Race. You wish to leave Race Rock Light bearing due north at 0.4 mile. If the current is 100°T, at 2.8 knots, and you are turning for 12.0 knots, what course (pgc) should you steer?
N a. 267°pgc Y b. 263°pgc N c. 255°pgc N d. 250°pgc 640: Which of the following statements concerning the buoys on the Mississippi River is TRUE?
N a. The position of river buoys can be determined by consulting the latest Light List - Vol. V. N b. A preferred channel mark is a lateral mark indicating a channel junction which must always be passed to starboard. Y c. Setting a buoy is the act of placing a buoy on assigned position in the water. N d. None of the above. 741: On 16 February , your 1845 ZT DR position is LAT 25°50.5'N, LONG 46°24.0'W. At that time you observe Polaris with a sextant altitude (hs) of 26°25.5'. The chronometer time of the sight is 09h 47m 30s and the chronometer error is 02m 16s fast. The index error is 2.5' off the arc, and the height of eye is 55.0 feet. What is your latitude by Polaris?
Y a. 25°38.0'N N b. 25°44.2'N N c. 26°00.1'N N d. 26°37.5'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 807: On 12 February your 0542 zone time (ZT) fix gives you a position of LAT 26°42.0'N, LONG 60°18.0'W. Your vessel is on course 300°T, and your speed is 9.8 knots. Local apparent noon (LAN) occurs at 1220 ZT at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 49°10.0'. What is the calculated latitude at LAN?
N a. 27°13.5'N Y b. 27°16.3'N N c. 27°17.6'N N d. 27°19.2'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 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 1163: What is the mile point of the Fulton Gage?
N a. 598 AHP N b. 632 AHP N c. 687 AHP Y d. 778 AHP 1185: On 31 January , your 0920 zone time DR position is LAT 24°16.0'S, LONG 151°33.0'E. Your vessel is on course 258°T at a speed of 18.5 knots. What is the zone time of local apparent noon (LAN)?
N a. 1202 N b. 1207 Y c. 1211 N d. 1215 1279: At 0327 ZT, on 29 May , your DR position is LAT 25°00'N, LONG 64°15'W. You are steering 270°T at a speed of 13.6 knots. What is the zone time of sunrise?
N a. 0521 Y b. 0529 N c. 0536 N d. 0548 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 1411: After you get underway, what is the first river gage you will pass?
N a. Head of Passes N b. Baton Rouge Y c. Bayou Sara N d. Red River Landing 1490: On 11 January , your 0450 ZT position is LAT 38°42'N, LONG 14°16'W. You observe Polaris bearing 358.5°pgc. At the time of the observation the helmsman noted that he was heading 160°pgc and 173°psc. The variation is 9°W. What is the deviation for that heading?
N a. 1°E N b. 1°W Y c. 3°W N d. 13°W 1498: On 7 December , your 0350 ZT position is LAT 35°42'N, LONG 17°38'E. You observe Polaris bearing 359.7°pgc. At the time of the observation the helmsman noted that he was heading 016°pgc and 014°psc. The variation is 1°E. What is the deviation for that heading?
Y a. 0.3°E N b. 1.5°E N c. 0.3°W N d. 1.5°W 1676: On 10 June , your vessel's 0519 zone time DR position is LAT 27°07.0'N, LONG 92°10.0'W, when an amplitude of the Sun is observed. The Sun's center is on the visible horizon and bears 063.6° per standard magnetic compass. The variation in the area is 4.8°E. The chronometer reads 11h 17m 32s and is 01m 18s slow. What is the deviation of the compass?
N a. 5.6°E N b. 4.8°E N c. 4.2°W Y d. 4.8°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 1862: On 14 January , your 0550 ZT DR position is LAT 25°26.0'N, LONG 38°16.0'W. You observe an unidentified star bearing 004.5°T, at an observed altitude (Ho) of 40°10.0'. The chronometer reads 08h 48m 51s and is 01m 22s slow. What star did you observe?
N a. Gienah Y b. Kochab N c. Gacrux N d. Eltanin 1909: On 22 March , your 1834 DR position is LAT 26°13.5'S, LONG 108°36.5'W. You observe an unidentified star bearing 294°T at an observed altitude (Ho) of 33°02.7'. The chronometer reads 01h 32m 37s, and is 01m 50s slow. What star did you observe?
N a. Regulus Y b. Menkar N c. Rigel N d. Alphard 1958: Which daymark would you see as you approach Red Store Light (mile 269.5 AHP)?
Y a. Green square N b. Green triangle N c. Green diamond N d. Red square 2117: You must arrive at your final destination by 0800. The distance from your 0300 position to the final destination is 40.5 miles. What minimum speed must be made good to arrive on time?
Y a. 8.1 knots N b. 8.5 knots N c. 9.3 knots N d. 9.6 knots 2163: On 1 April , at 0515 zone time, morning stars were observed, and the vessel's position was determined to be LAT 27°05.0'N, LONG 16°30.0'W. Your vessel is steaming at 19.0 knots on a course of 022°T. A sextant observation of the Sun's lower limb is made at 0930 zone time. The chronometer reads 10h 28m 25s, and the sextant altitude is 46°20.3'. The index error is 4.5' off the arc, and the chronometer error is 02m 15s slow. Your height of eye on the bridge is 57.0 feet. What is the azimuth (Zn) of this sight using the assumed position?
N a. 121.6°T N b. 117.9°T Y c. 115.0°T N d. 112.2°T 2332: If you are making 8.3 knots over the ground, what is your ETA at the turning point in York Spit Channel at buoy "29"?
Y a. 0521 N b. 0509 N c. 0459 N d. 0448 2875: Your vessel is on a course of 316°T at 12 knots. At 2326 a light bears 289.5°T, and at 2354 the light bears 271°T. At what time and at what distance off will your vessel be when abeam of the light?
N a. 0014, 4.8 miles N b. 0018, 5.2 miles Y c. 0022, 5.6 miles N d. 0026, 6.4 miles 2879: Your vessel is steering 354°T at 14 knots. At 0317 a light bears 049°T, and at 0342 the same light bears 071°T. What will be your distance off abeam?
Y a. 12.4 miles N b. 12.7 miles N c. 13.0 miles N d. 13.3 miles 2899: You are steaming on a course of 208°T at 21 knots. At 2019 you observe a lighthouse bearing 129°T. At 2030 the lighthouse bears 103°T. What is your distance off at the second bearing?
N a. 8.2 miles Y b. 8.6 miles N c. 8.9 miles N d. 9.3 miles 2909: You are running coastwise at 14 knots. You sight a lighthouse abeam at 0912. At 0939 the lighthouse is 4 points abaft the beam. What is your distance off at the second bearing?
N a. 5.5 miles N b. 6.3 miles N c. 7.8 miles Y d. 8.9 miles 3065: The propeller on your vessel has a pitch of 18'09". If the observed distance for a day's run was 399.4 miles and the average RPM was 86, which statement is TRUE?
N a. The slip is a positive 5%. N b. The day's run by engine RPM was 404.5 miles. Y c. The slip is a negative 5%. N d. The day's run by engine RPM was 390.6 miles. 10109: What is the base course (psc) in the inbound northeasterly traffic lane of the Chesapeake Bay entrance traffic separation scheme?
Y a. 261°psc N b. 258°psc N c. 250°psc N d. 244°psc 10901: The area around Cape Charles is _______________ .
Y a. low and bare, but the land back of it is high and wooded N b. composed of low to medium rolling hills N c. well defined with rocky outcroppings N d. marked by high, barren hills 12506: You are on course 203° per standard magnetic compass when you take the following bearings: New Point Comfort Spit Light 2 267°psc Horn Harbor Entrance Light HH 304°psc Wolf Trap Light 006°psc What is the position of the fix?
N a. LAT 37°18.9'N, LONG 76°10.4'W Y b. LAT 37°18.8'N, LONG 76°10.8'W N c. LAT 37°18.7'N, LONG 76°11.1'W N d. LAT 37°18.5'N, LONG 76°10.7'W 12908: At 0919 you are inbound, approximately 3.3 miles east of Cape Henry with buoy "15" close aboard to port. What is your ETA between Trestle B and Trestle C of the Chesapeake Bay Bridge and Tunnel if you are making 11.3 knots?
N a. 1010 Y b. 1014 N c. 1019 N d. 1025 13303: You are considering anchoring approximately three miles northeast of Chesapeake Light. After examining the chart you decide not to because of the __________.
N a. large number of wrecks N b. coral being designated as a special protected area Y c. danger of unexploded mines N d. area being designated as a National Marine Sanctuary 15113: At 1845, you obtain the following bearings:
Old Plantation Flats Light bearing 251° true
New Point Comfort Light bearing 334° true
Your latitude is __________.
N a. 37°10.7'N N b. 37°10.9'N N c. 37°11.0'N Y d. 37°11.2'N 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 15407: At 1430, your position is LAT 37°12.8'N, LONG 76°17.7'W. At this time, you come left and steer 045°T. This course will lead you through a channel bordered by yellow buoys. The dashed magenta lines between the buoys mark __________.
N a. York River Entrance Channel N b. New Point Comfort shoal area N c. the piloting channel for Mobjack Bay Y d. the limits of fish trap areas 15742: At 2100 your position is LAT 40°58.5'N, LONG 71°46.0'W. You are proceeding north. At 2131 Montauk Point Light has a radar range of 5.1 miles and bears 284°T. Block Island Southeast Light has a radar range of 10.8 miles. What was the course made good from your 2100 position?
N a. 005°T Y b. 011°T N c. 017°T N d. 025°T 15816: At 0209, your position is LAT 41°01.8'N, LONG 72°40.8'W.
What course should you steer per standard magnetic compass to make good 278° magnetic? (assume no set and drift)
N a. 262.0°psc N b. 265.0°psc Y c. 275.5°psc N d. 280.5°psc 15860: At 0100, your position is LAT 41°05.3 N, LONG 72°29.2 W. You head for the position one mile north of Mattituck Inlet Light and turn to make good 9.0 knots. If the visibility is about 2 miles, at what approximate time will you sight the light?
N a. The light is visible at 0100 N b. 0109 Y c. 0120 N d. 0128 16062: At 1930, your vessel is between York River Entrance Channel Lighted Buoys "1YR" and "2". From this position, you change course to 142°pgc at an engine speed of 8.0 knots. At 2000, you take the following bearings: Chesapeake Channel Tunnel North Light - 131°pgc Thimble Shoal Light - 247°pgc
What were the set and drift between 1930 and 2000?
N a. 140°T at 0.2 knot Y b. 140°T at 0.4 knot N c. 320°T at 0.2 knot N d. 320°T at 0.4 knot 16111: Which publication contains the specific information about navigating in York Spit Channel?
N a. Light List Y b. Coast Pilot N c. Chesapeake Bay Harbor- master's Regulations Manual N d. Navigator's Manual - Chesapeake Bay 16210: As you near Little Gull Island, you use your loran to insure that you do not come within 0.5 mile of the island. Which of the following loran readings will act as a danger line and keep you off Little Gull Island by a minimum of 0.5 mile?
Y a. Not less than 9960-Y-43953.5 N b. Not more than 9960-W-14735.9 N c. Not less than 9960-W-14735.8 N d. Not more than 9960-X-26149.0 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 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 16708: At 0520 you are on course 243°pgc at 12 knots. What is the course per standard magnetic compass?
Y a. 263°psc N b. 258°psc N c. 233°psc N d. 227°psc