Q357 - Navigation General: Great Lakes and Inland, USCG prep certification 2026

Progress: 24% (23/94)

Learning progress ?

1. What does the command "Hard right rudder" mean?Not learned 2. What is a CORRECT reply to a pilot's request, "How's your head"?Not learned 3. While on duty as a look-out, which other duty may you perform?Not learned 4. You are on watch at night in clear visibility and the vessel has just been anchored. What is the first thing that you should do after the anchor has been let go?Not learned 5. On 27 April 1983, at 1105 DST (ZD +4), what will be the predicted height of tide at Falkner Island, CT?Not learned 6. According to Buys Ballot's law, when an observer in the Northern Hemisphere experiences a northwest wind, where is the center of low pressure located?Not learned 7. Which action should be taken prior to assuming the Deck Watch while the vessel is in port?Not learned 8. Advection fog is most commonly caused by __________.Not learned 9. Which agency maintains federal aids to navigation?Not learned 10. Which agency publishes the Light Lists?Not learned 11. What should you apply to a fathometer reading to determine the depth of water?Not learned 12. You are approaching Chatham Strait from the south in foggy weather. You have Coronation Island and Hazy Islands on the radar. Suddenly the radar malfunctions. You then resort to using whistle echoes to determine your distance off Coronation Island. Your stopwatch reads 16.3 seconds for the echo to be heard. How far are you off Coronation Island?Not learned 13. What is the approximate geographic range of Fenwick Island Light, Delaware, if your height of eye is 42 feet (12.8 meters)? Refer to "Reprints from the LIGHT LISTS AND COAST PILOTS".Not learned 14. On an Army Corps of Engineers navigation map, how is each mile A.H.P. on the Lower Mississippi River marked?Not learned 15. Which are associated with Cumulonimbus clouds?Not learned 16. Automatic identification systems (AIS) are required to do which of the following?Not learned 17. The average height of the surface of the sea for all stages of the tide over a 19 year period is known by which term?Not learned 18. Which defines the height of tide?Not learned 19. You are bound for Baltimore via Cape Henry on a 15 knot ship. If the flood at Chesapeake Bay entrance begins at 1800 EST (ZD +5), at what time would you depart from the Chesapeake Bay entrance to have the most favorable current?Not learned 20. Which of the buoys listed below could be used to mark an anchorage?Not learned 21. How are buoys which mark isolated dangers painted?Not learned 22. Buoys which only mark the left or right side of the channel will never exhibit a light with which characteristic?Not learned 23. Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE?Not learned 24. Which buoy may be odd numbered?Not learned 25. When a buoy is in position only during a certain period of the year, where may the dates when the buoy is in position be found?Not learned 26. Which cardinal quadrant is represented by the topmark in illustration D024NG below?Not learned 27. What is a characteristic of cardinal marks?Not learned 28. What is characteristic of an isophase light?Not learned 29. Which would be the characteristic of an occulting light?Not learned 30. The chart of a beach area shows a very steep slope to the underwater beach bottom. Which type of breakers can be expected when trying to land a boat on this beach?Not learned 31. Charts should be corrected by using information published in which text?Not learned 32. What do chart legends printed in capital letters indicate about the associated landmark?Not learned 33. Which defines the term charted depth?Not learned 34. Which class of tide prevails in the greatest number of important harbors on the Atlantic Coast?Not learned 35. What do clear skies, with the exception of a few cumulus clouds indicate?Not learned 36. On a clear, warm day, you notice the approach of a tall cumulus cloud. The cloud top has hard well-defined edges and rain is falling from the dark lower edge. What should you expect if this cloud passes directly overhead?Not learned 37. The climate of the eastern coast of the Gulf of Mexico __________.Not learned 38. Which cloud is described as a low, dark, sheet-like cloud which is associated with continuous precipitation for many hours?Not learned 39. What color lights do lighted information markers display?Not learned 40. What are the colors of a mid-channel daymark?Not learned 41. What is the color scheme of navigational marks used for informational or regulatory purposes?Not learned 42. The compass rose on a nautical chart indicates both variation and which other information?Not learned 43. Which condition would most likely result in fog?Not learned 44. While on a course of 066°pgc, a light bears 13° on the port bow at a distance of 12.3 miles. What course should you steer to pass 4 miles abeam of the light leaving it to port?Not learned 45. You are on course 079°T, speed 11.2 knots. At 0904 you see a daymark bearing 078°T at a range of 4.6. If you change course at 0910 to leave the daymark abeam to starboard at 0.5 mile, at what time will the daymark be abeam?Not learned 46. 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?Not learned 47. While on a course of 138°T, a light bears 14° on the starboard bow at a distance of 8.6 miles. What course should you steer to pass 3 miles abeam of the light leaving it to starboard?Not learned 48. While on a course of 159°T, a light bears 11° on the starboard bow at a distance of 10.6 miles. What course should you steer to pass 2 miles abeam of the light leaving it to starboard?Not learned 49. You are on course 251°pgc and 241° per magnetic compass, when you observe a range in line bearing 192°pgc. The chart indicates that the range is in line on a bearing of 194°T. The variation is 16°E. What is the deviation of the magnetic compass?Not learned 50. While on a course of 321°T, a light bears 7° on the starboard bow at a distance of 9.7 miles. What course should you steer to pass 3.5 miles abeam of the light leaving it to starboard?Not learned 51. While on a course of 349°T, a light bears 13° on your starboard bow at a distance of 10.8 miles. What course should you steer to pass 2.5 miles abeam of the light, leaving it to starboard?Not learned 52. While on a course of 349°T, a light bears 13° on the starboard bow at a distance of 10.8 miles. What course should you steer to pass 2.5 miles abeam of the light leaving it to starboard?Not learned 53. The Daily Memorandum contains which information?Not learned 54. Where can information about the direction and velocity of rotary tidal currents be found?Not learned 55. When daylight savings time is kept, the times of tide and current calculations must be adjusted. How can this be accomplished?Not learned 56. A daymark used to indicate the safe water in a channel will have which of the shapes shown in illustration D045NG below?Not learned 57. Which defines a light's luminous range?Not learned 58. The range of tide is the __________.Not learned 59. What describes a flood current?Not learned 60. Which is TRUE concerning privately maintained aids to navigation included in the Light List?Not learned 61. Which describes the visible range marked on charts for lights?Not learned 62. You desire to make good a true course of 129°. The variation is 7°E, magnetic compass deviation is 4°E, and gyrocompass error is 2°W. An easterly wind produces a 4° leeway. What is the course to steer per standard magnetic compass to make the true course good?Not learned 63. Determine the height of the tide at 2045 EST (ZD +5) at Augusta, ME, on 8 March 1983.Not learned 64. Determine the time after 0300 CST (ZD +6) when the velocity of the tidal current will be 0.5 knot on 16 April 1983, at Port Arthur Canal Entrance, TX.Not learned 65. Your draft is 24 feet. You wish to pass over an obstruction near Lovell Island, MA, on 6 May 1983. The charted depth is 22 feet. Allowing a safety margin of 3.0 feet, what is the earliest time after 0200 DST (ZD +4) that this passage can be made?Not learned 66. When drawing a weather map and an isobar crosses a front, the isobar is drawn __________.Not learned 67. What does the drift and set of tidal, river, and ocean currents refer to?Not learned 68. What enables you to estimate the bearing of a storm's center?Not learned 69. You are entering an east coast port and see a buoy with a yellow triangle painted on it. What does the symbol indicate?Not learned 70. You will be entering the Mystic River in Connecticut. What is the current at the Highway Bridge at 1900 EST (ZD +5) on 24 January 1983?Not learned 71. In IALA Region B, entering from sea, how would a daymark on the port side of the channel be indicated on a chart?Not learned 72. When entering from seaward, what does a buoy displaying a composite group (2+1) flashing red light indicate?Not learned 73. On entering from seaward, which is TRUE of a starboard side daymark?Not learned 74. What feature(s) of a daymark is (are) used to identify the beacon upon which it is mounted?Not learned 75. Which feature, when set to zero, might allow a GPS unit to have an accuracy equivalent to Precise Positioning Service receiver capability?Not learned 76. Which is a feature of a special daymark?Not learned 77. Fog forms when which condition exists?Not learned 78. Fog generally clears when the __________.Not learned 79. How can you follow the approach of a dangerous cyclonic storm?Not learned 80. Which of the following traits possessed by an articulated light makes it superior to other types of buoys?Not learned 81. Which form of cloud, that is often known as "mackerel sky", is generally associated with fair weather?Not learned 82. Which government agency publishes the U.S. Coast Pilot?Not learned 83. Red lights may appear on which buoys?Not learned 84. How often is The Local Notice to Mariners updated?Not learned 85. What will be the height of tide at Gargathy Neck, VA, at 1800 DST (ZD +4), on 16 August 1983?Not learned 86. Which system provides the highest level of commercial navigational accuracy?Not learned 87. Under the IALA-B Buoyage System, when entering from seaward, a buoy that should be left to port will be which color?Not learned 88. In the IALA Buoyage System, what do buoys with alternating red and green horizontal bands indicate?Not learned 89. Under the IALA Buoyage Systems, which is TRUE of safe water marks?Not learned 90. In illustration D045NG below, which shape is a daymark warning of danger?Not learned 91. In illustration D045NG below, what two shapes shown are used to indicate a preferred channel?Not learned 92. What is indicated when slanted letters are used to spell the name of a charted object?Not learned 93. Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations, vessels and aircraft?Not learned 94. Which item contains information about temporary, short-term changes affecting the safety of navigation in U.S. waters?Not learned 95. Where can information for updating paper nautical charts primarily be found?Not learned 96. You have been informed that dredging operations may be underway in your vicinity. Which buoy indicates the dredging area?Not learned 97. Which item in illustration D034NG below shows a flashing light?Not learned 98. Which item in illustration D034NG below shows a MorseNot learned 99. Which item in illustration D034NG below shows an occulting light?Not learned 100. The largest waves (heaviest chop) will usually develop where the wind blows __________.Not learned 101. Which is TRUE of a lateral system buoy displaying a quick flashing light?Not learned 102. Which level of accuracy can be obtained utilizing the U.S. Coast Guard's Maritime Differential GPS in an established coverage area?Not learned 103. The light characteristic of flashing is used in the Aids to Navigation System on the Western Rivers. Which example is required to utilize this characteristic?Not learned 104. Which light characteristic may be used on a special purpose mark?Not learned 105. The Light List indicates that a light has a nominal range of 10 miles and is 11 feet high. If the visibility is 15 miles and your height of eye is 20 feet, at what approximate distance will you sight the light?Not learned 106. What is the light phase characteristic of a lighted isolated-danger mark?Not learned 107. Which would you expect to see on a lighted preferred-channel buoy?Not learned 108. Lighted white and orange buoys must show which color light?Not learned 109. Which term is given to a line on a weather chart connecting places which have the same barometric pressure?Not learned 110. A List of Lights entry (L Fl) is a single flashing light which shows a long flash of not less than which duration?Not learned 111. Which of the listed properties does warm air possess?Not learned 112. At which location is the value of sixty nautical miles per degree of geodetic latitude most correct?Not learned 113. To make sure of getting the full advantage of a favorable current, you should reach an entrance or strait at which time in relation to the predicted time of the favorable current?Not learned 114. How many characters does the short text messaging feature of the automatic identification system (AIS) allow for?Not learned 115. How many high waters usually occur each day on the East Coast of the United States?Not learned 116. How many slack tidal currents usually occur each day on the east coast of the United States?Not learned 117. Which term is used to express the maximum distance at which a light may be seen under existing visibility conditions?Not learned 118. How may a spherical buoy be identified?Not learned 119. What is the reference datum mean high water used to measure?Not learned 120. Mean lower low water is the reference plane used for which measurements?Not learned 121. Which term is given to the mechanical lifting of air by the upslope slant of the terrain?Not learned 122. Which meteorological feature controls the climate of the Gulf of Mexico and the coastal area during late spring and summer?Not learned 123. A mid-channel buoy, may show which light?Not learned 124. The National Geospatial-Intelligence Agency (formerly the National Imagery and Mapping Agency) would produce a chart of the coast of which area?Not learned 125. The National Oceanic and Atmospheric Administration publishes which item?Not learned 126. On a nautical chart, what does the inner ring of a compass rose indicate?Not learned 127. Which of the Nautical Texts is/are published by the U.S. Coast Guard?Not learned 128. While navigating in fog off a coastline of steep cliffs, you hear the echo of the ships fog horn 2 1/2 seconds after the signal was sounded. What is the distance to the shore?Not learned 129. In North America, which direction do the majority of the weather systems move?Not learned 130. Which is TRUE in the Northern Hemisphere when a wind is said to veer?Not learned 131. What do the numbers on isobars indicate?Not learned 132. If an observer in the Northern Hemisphere faces the surface wind, where is the center of low pressure located?Not learned 133. Which is TRUE of an occulting light?Not learned 134. When operated over a muddy bottom, a fathometer may indicate which of the following?Not learned 135. An orange and white buoy marking an area where operating restrictions are in effect will be marked with which symbol?Not learned 136. Which refers to the period at high or low tide during which there is no change in the height of the water?Not learned 137. Which term is used to define the point where the vertical rise or fall of tide has stopped?Not learned 138. To predict the actual depth of water using the Tide Tables, how does one use the number obtained from the Tide Tables?Not learned 139. The predicted time that the flood begins at the entrance to Delaware Bay is 1526. You are anchored off Chestnut St. in Philadelphia. If you get underway bound for sea at 1300 and turn for 13 knots, at what point will you lose the flood current?Not learned 140. How do preferred channel buoys indicate the preferred channel to transit?Not learned 141. What does the prefix "nimbo" in a cloud's name mean?Not learned 142. Pressure gradient is a measure of __________.Not learned 143. Which publication should you check for complete information on Puget Sound weather conditions?Not learned 144. Which publication contains information on navigation regulations, landmarks, channels, anchorages, tides, currents, and clearances of bridges for Chesapeake Bay?Not learned 145. What publication has information on the climate, distances, navigation regulations, outstanding landmarks, channels and anchorages of Long Island Sound?Not learned 146. Which publication lists Class I and II private aids to navigation in or along navigable waters of the United States?Not learned 147. What is published by the U.S. Coast Guard?Not learned 148. In reading a weather map, what do closely spaced pressure gradient lines indicate?Not learned 149. What do red sectors of navigation lights warn mariners of?Not learned 150. Which is the reference datum used in determining the heights of land features on most charts?Not learned 151. With respect to failure warnings and status indications, GPS receivers should provide, at a minimum, __________.Not learned 152. When is a revised print of a chart made?Not learned 153. Safe water buoys may show ONLY which type of light?Not learned 154. You are sailing south on the Intracoastal Waterway (ICW) when you sight a red nun buoy with a yellow square painted on it. Which of the following is TRUE?Not learned 155. You are sailing south on the Intracoastal Waterway (ICW) when you sight a red nun buoy with a yellow triangle painted on it. Which statement is TRUE?Not learned 156. The shoreline shown on nautical charts of areas affected by large tidal fluctuations is usually the line of mean __________.Not learned 157. You sight a buoy fitted with a double-sphere topmark. If sighted at night, what color and light sequence would you expect to see?Not learned 158. Which statement concerning GPS is TRUE?Not learned 159. You are steaming on a course of 084°T at a speed of 13 knots. At 1919 a lighthouse bears 106.5°T. At 1957 the same lighthouse bears 129°T. What will be your distance off the lighthouse when abeam?Not learned 160. You are steaming southward along the west coast of the United States when you encounter a buoy showing a flashing red light. Which is TRUE concerning the buoy?Not learned 161. You are steaming southward along the west coast of the United States when you sight a buoy showing a flashing green light. How should you pass this buoy?Not learned 162. What does a steep barometric gradient indicate?Not learned 163. You are steering 143°T, and a light is picked up dead ahead at a distance of 18.2 miles at 2006. You change course to pass the light 5.5 miles off abeam to port. If you are making 14.5 knots, what is your ETA at a position 5.5 miles off the light?Not learned 164. You are steering 318°psc. A northeasterly wind causes 3° of leeway. The variation is 14°E and the deviation table is extracted below. What will be the true course made good? DEVIATION TABLE Magnetic Heading Deviation 300° 2°E 315° 0 330° 2°WNot learned 165. You are steering a course of 240°T, and a lighthouse bears 025° on the starboard bow at 2116. At 2144 the same lighthouse bears 050° on the starboard bow, and you have run 6 miles since the first bearing. What is the ETA when the lighthouse is abeam?Not learned 166. You are steering a course of 316°T, and a light bears 34° on the port bow at 2053. At 2126 the same light bears 68° on the port bow, and you have run 5 miles since the first bearing. What is the ETA when the lighthouse is abeam?Not learned 167. You are steering a magnetic compass course of 075°. The variation for the area is 10°W, and the compass deviation is 5°E. What is the true course you are steering?Not learned 168. Which wind is a strong, often violent, northerly wind occurring on the Pacific coast of Mexico, particularly during the colder months?Not learned 169. Which symbol represents a 2-fathom curve?Not learned 170. Which term defines the difference between the heights of low and high tides?Not learned 171. The term "flood current" refers to that time when the water __________.Not learned 172. Which is the term given to the time required for a lighted aid to complete a full cycle of light changes?Not learned 173. Which term is used to describe the small differences between the heights of two successive high tides or two low tides, in a tidal day?Not learned 174. Which topmark shown in illustration D023NG below identifies an isolated danger?Not learned 175. Which is TRUE concerning air masses near the earth's surface?Not learned 176. Which is TRUE concerning Wind velocity?Not learned 177. 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?Not learned 178. The true course between two points is 078°. Your gyrocompass has an error of 2°E. You make an allowance of 3° leeway for a north wind. What gyro course should be steered to make the true course good?Not learned 179. Which is TRUE of the direction of flow (channel) on the Corps of Engineer's Navigation Maps?Not learned 180. Which is TRUE of echo-sounders?Not learned 181. Which is TRUE of a special mark?Not learned 182. Which is TRUE of the velocity of the current in large coastal harbors?Not learned 183. Which is TRUE of a vertically-striped buoy?Not learned 184. Which type of cloud is among the most dependable for giving an indication of an approaching weather system?Not learned 185. Which type of cloud is composed entirely of ice crystals and is found at very high altitudes?Not learned 186. Which type of cloud formation should be of immediate concern to small craft operators?Not learned 187. From which type of cloud can a tornado or waterspout develop?Not learned 188. Which type of daymark is used to mark the starboard side of the channel when entering from sea?Not learned 189. Which type of precipitation occurs only in thunderstorms with strong convection currents that convey raindrops above and below the freezing level?Not learned 190. In the U.S. Aids to Navigation System, lateral aids as seen entering from seaward will display lights with which characteristic?Not learned 191. Under the U.S. Aids to Navigation System, a special mark possesses which of the following characteristics?Not learned 192. Under the U.S. Aids to Navigation System used on the Western Rivers, which is TRUE of the aids to navigation lights on the right descending bank?Not learned 193. You are underway on course 241°T at a speed of 18.2 knots. You sight a daymark bearing 241°T at a radar range of 3.9 miles at 1006. If you change course at 1009, what is the course to steer to leave the daymark abeam to starboard at 1.0 mile?Not learned 194. You are underway on course 128°T at a speed of 17.6 knots. You sight a daymark bearing 126°T at a radar range of 4.3 miles at 1649. If you change course at 1654, what is the course to steer to leave the daymark abeam to starboard at 0.5 mile?Not learned 195. You are underway on course 160°T at 10 knots. The current is 210°T at 0.9 knots. What is the course made good?Not learned 196. You are underway on course 215°T at 12 knots. The current is 000°T at 2.3 knots. What is the course made good?Not learned 197. You are underway on course 328°T when you sight a buoy broad on your port bow. Which would indicate that you are in the best navigable water?Not learned 198. You are underway and intend to make good a course of 088°T. You experience a current with a set and drift of 300°T at 2.4 knots, and a southerly wind produces a leeway of 3°. You adjust your course to compensate for the current and leeway, while maintaining an engine speed of 16 knots. What will be your speed made good over your intended course of 088°T?Not learned 199. In United States waters, a buoy having red and white vertical stripes if lighted, it will have which light characteristic?Not learned 200. It is unlawful to approach within how many yards of a Northern Right Whale?Not learned 201. When using GPS, how many theoretical position lines are required for a two-dimensional fix?Not learned 202. When using a recording depth finder in the open ocean, what phenomena is most likely to produce a continuous trace that may not be from the actual ocean bottom?Not learned 203. What will a veering wind do?Not learned 204. What will be the velocity of the tidal current 1.0 mile southwest of Lewis Pt., RI, at 1501 EST (ZD +5) on 4 April 1983?Not learned 205. What is the velocity of the tidal current at the east end of Pollock Rip Channel at 1700 DST (ZD +4) on 23 July 1983?Not learned 206. What will be the velocity of the tidal current south of Doubling Point, ME, at 1357 EST (ZD +5) on 3 April 1983?Not learned 207. The velocity of the wind, its steady direction, and the amount of time it has blown determines what about a wind driven current?Not learned 208. 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 distance off will your vessel be when abeam of the light?Not learned 209. Your vessel is on a course of 082°T at 19 knots. At 0255 a light bears 059.5°T, and at 0312 the light bears 037°T. At what time and distance off will your vessel be when abeam of the light?Not learned 210. Your vessel is on a course of 253°T at 18 knots. At 2027 a light bears 275.5°T, and at 2055 the light bears 298°T. At what time and distance off will your vessel be when abeam of the light?Not learned 211. Your vessel is on a course of 343°T at 14 knots. At 2156 a light bears 320.5°T, and at 2217 the light bears 298°T. At what time and distance off will your vessel be when abeam of the light?Not learned 212. Your vessel is leaving New York harbor in dense fog. As the vessel slowly proceeds toward sea, you sight a green can buoy on the starboard bow. Which action should you take?Not learned 213. Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 196°T, and the variation is 7°E. If the heading of your vessel at the time of the sighting is 192° per standard magnetic compass, what is the deviation?Not learned 214. Your vessel is proceeding up a channel, and you see a pair of range lights that are in line dead ahead. The chart indicates that the direction of this pair of lights is 093°T, and the variation is 6°E. If the heading of your vessel at the time of the sighting is 097° per standard magnetic compass, what is the correct deviation?Not learned 215. Your vessel is proceeding up a channel, and you see a pair of range lights that are in line dead ahead. The chart indicates that the direction of this pair of lights is 178°T, and the variation is 9°W. If the heading of your vessel at the time of the sighting is 180° per standard magnetic compass, what is the deviation?Not learned 216. Your vessel is proceeding up a channel, and you see a pair of range lights that are in line dead ahead. The chart indicates that the direction of this pair of lights is 343°T, and the variation is 5° west. If the heading of your vessel at the time of the sighting is 344° per standard magnetic compass, what is the correct deviation?Not learned 217. Your vessel is proceeding up a channel steering on a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 249°T, and the variation is 14°E. If the heading of your vessel at the time of the sighting is 226° per standard magnetic compass, what is the correct deviation?Not learned 218. Your vessel is steering course 073°psc, variation for the area is 15°E, and deviation is 4°E. The wind is from the southeast, producing a 4° leeway. Which true course are you making good?Not learned 219. 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?Not learned 220. Your vessel is steering a course of 337°psc. Variation for the area is 13°W, and deviation is 4°E. The wind is from the south, producing a 3° leeway. Which true course are you making good?Not learned 221. If your weather bulletin shows the center of a low-pressure area to be 100 miles due east of your position, what winds can you expect in the Northern Hemisphere?Not learned 222. Which weather element cannot be measured accurately while on board a moving vessel?Not learned 223. A weather forecast states that the wind will commence backing. What does this indicate if you are in the Northern Hemisphere?Not learned 224. Weather information provided by the National Weather Service (NWS) advisories should be used along with which other source of information?Not learned 225. On a weather map, what does a large letter "H" indicate?Not learned 226. In a weather report, which defines the term "visibility"?Not learned 227. What does a white buoy with an orange circle marked on it indicate?Not learned 228. What wind reverses directions seasonally?Not learned 229. You wish to make good a course of 035°T while turning for an engine speed of 12 knots. The set is 340°T, and the drift is 2 knots. What course should you steer?Not learned 230. 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?Not learned 231. You wish to make good a course of 350°T while turning for an engine speed of 10 knots. The set is 070°T, and the drift is 1.5 knots. What course should you steer?Not learned 232. If within 500 yards (460m) of a Northern Right Whale, you are lawfully obligated to take which actions?Not learned 233. Yellow lights may appear on which buoys?Not learned 234. On 23 March 1983, at Kingston Point, NY, what is the earliest time after 1700 EST (ZD +5) that the predicted tide will be +2.0 feet?Not learned 235. While on a course of 152°T, a light bears 9° on the port bow at a distance of 11.6 miles. What course should you steer to pass 3 miles abeam of the light leaving it to port?Not learned 236. You desire to make good a true course of 038°. The variation is 5°E, magnetic compass deviation is 4°W, and gyrocompass error is 4°W. A southeasterly wind produces a 4° leeway. What is the course to steer per standard magnetic compass to make the true course good?Not learned 237. (5.9.2.3-11) What will be the time after 1000 EST (ZD +5), on 4 March 1983, that the height of the tide at City Island, NY, will be 2.4 feet?Not learned 238. What will be the velocity of the tidal current in Bolivar Roads, Texas, at a point 0.5 mile north of Ft. Point, on 23 November 1983 at 0330 CST (ZD +6)?Not learned 239. Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 311°T, and the variation is 8°E. If the heading of your vessel at the time of the sighting is 305° per standard magnetic compass, what is the correct deviation?Not learned 240. Your vessel is proceeding down a channel, and you see a pair of range lights that are in line dead ahead. The chart indicates that the direction of this pair of lights is 229°T, and variation is 6°W. If the heading of your vessel at the time of the sighting is 232° per standard magnetic compass, what is the deviation?Not learned 241. Your vessel is steering 195° per standard magnetic compass. Variation for the area is 13°W, and the deviation is 4°E. The wind is from the west-southwest, producing a 2° leeway. Which true course are you making good?Not learned 242. You want to transit Hell Gate, NY on 23 July 1983. What is the period of time around the AM (ZD +4) slack before ebb when the current will be less than 0.3 knot?Not learned 243. When entering a channel from seaward, which is TRUE concerning the numbers on buoys?Not learned 244. On 10 November 2023 at 0130, you are inbound at Charleston Harbor Entrance Buoy “10” (ACT6611). What is the direction and velocity of the current you are encountering as you pass Buoy “10”Not learned 245. On 14 October 2023, you will be docking at the Southern Branch Elizabeth River, VA at the second high tide. The berth is located between NOAA reference tidal station #8638660 and subordinate station #8639348. What time (LST) will you be dockingNot learned 246. On 15 October 2023, you will be docking on the Southern Branch Elizabeth River, VA at the first low tide. The berth is located between NOAA reference tidal station #8638660 and reference station #8639348. What time (LST) will you be dockingNot learned 247. On 9 November 2023 at 1130, you are inbound at Charleston Harbor Entrance Buoy “10” (ACT6611). Your vessel will transit 15nm and make good 10.0 knots to a berth where the nearest tidal current station is ACT6706. What will be the direction and velocity of the current as you approach the dockNot learned 248. Which symbol represents a 20-fathom curve?Not learned 249. Which item in illustration D034NG below shows a fixed and flashing light?Not learned 250. According to Buys Ballot's law, when an observer in the Northern Hemisphere experiences a northeast wind, where is the center of low pressure located?Not learned 251. When using GPS, how many theoretical position lines are required for a three-dimensional fix?Not learned 252. The luminous range of a light takes into account which factor?Not learned 253. Geographic range is the maximum distance at which a light may be seen under which conditions?Not learned 254. The Light List indicates that a light has a nominal range of 13 miles and is 36 feet high. If the visibility is 17 miles and your height of eye is 25 feet, at what approximate distance will you sight the light?Not learned 255. The Light List shows that a navigational light has a nominal range of 15 miles and a height above water of 40 feet (12.2 meters). Your height of eye is 25 feet (7.6 meters) and the visibility is 5 miles. At about what range will you FIRST sight the light?Not learned 256. The nominal range of a light may be accurately defined as the maximum distance at which a light may be seen __________.Not learned