Q205 - Navigation Problems: Chart Plot, USCG prep certification 2026

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2. The following questions are to be answered using chart 12221 TR, Chesapeake Bay Entrance, and supporting publications. Your vessel is enroute from New York, NY, to Baltimore, MD. Your vessel's draft is 29 feet, and your height of eye is 54 feet. Your present course is 206°T and your speed is 18 knots. Use 10°W variation where required. At 0705 your position is Latitude 37°20.8' N Longitude 75°29.9' W. If a northwesterly breeze is causing 3 degrees leeway what is the true course to steer in order to pass Hog Island Lighted Bell Buoy "12" at a distance abeam of two miles?Not learned 3. At 0725 you determined your vessel's position to be 37°15.5'N, 75°33.2'W. Assuming that you make good your course of 206°T and a speed of 18 knots, at what time would you expect to be abeam of Cape Charles Lighted Bell Buoy "14"?Not learned 4. 4.1.1.4C1-27) Your height of eye is 40 feet (12.2 meters). What is the approximate geographical distance at which Ambrose Light, NY, could be visible? Refer to "Reprints from the LIGHT LISTS AND COAST PILOTS".Not learned 4. (5.8.2.2B1-3) At about what time will you see Chesapeake Light if visibility is exceptionally clear?Not learned 5. At 0741 you are still steering a course of 206° true, with a speed of 18 knots. At this time you observe Cape Charles Lighted Bell Buoy "14" bearing 222°T and Hog Island Lighted Bell Buoy "12" bearing 015°T. What were the set and drift experienced since 0725?Not learned 6. From your 0741 position, you wish to change course in order to pass 2.2 miles easterly of Cape Charles Lighted Bell Buoy "14". Your engine speed is now 14.0 knots. You estimate the current to be 240°T at 1.8 knots. What is the true course to steer to make good the desired course?Not learned 7. At 0811 your vessel's position is 37°04.9'N, 75°39.7'W. You are steering a course of 220°T at a speed of 14.0 knots. At what time would you expect the buoys in the northeasterly traffic scheme to line up, if you do not correct for a southwesterly current of 1.8 knots?Not learned 8. At 0841 Chesapeake Light bears 164°T, Cape Charles Light bears 312°T, and Cape Henry Light bears 247°T. What was your course made good since 0811?Not learned 9. From your 0841 position, you are steering a course of 241°T to the northeasterly inbound channel entrance, your speed is now 15 knots. What is your ETA abeam of buoy "NCA" (LL#375)?Not learned 10. As you pass through the Chesapeake Bay Bridge and Tunnel, you take a bearing of 047°pgc along trestle C when it is in line. The helmsman reports the vessel's heading as 316° pgc and 329°psc. What is the deviation on that heading?Not learned 11. The Light List shows that a navigational light has a nominal range of 17 miles and a height above water of 28 feet (8.5 meters). Your height of eye is 32 feet (9.8 meters) and the visibility is 11.0 miles. At what approximate range will you first sight the light?Not learned 12. The following questions are to be answered using Chart 12221TR, Chesapeake Bay Entrance, and supporting publications. You are southbound along the coast on a course of 180°T and the engine speed is 14 knots. Your draft is 16 feet. Gyro error is 2°W. Use 10°W variation where required At 2000 Hog Island Lighted Bell Buoy "12" bears 199°T and Buoy "GM" bears 249°T. What is your position?Not learned 13. From your 2000 position you change course to 206°T. What time would you expect to be abeam of Hog Island Buoy "12"?Not learned 14. You should expect to pass how far off buoy "12"?Not learned 15. At 2030 you take the following bearings: Sand Shoal Inlet South Light: 275°T Cape Charles Light: 235°T What is the set and drift from 2000 to 2030?Not learned 16. From your 2030 fix you change course to 195°T, and leave the engine speed at 14 knots. At 2045, your position is Lat 37°13.50'N Long 075°38.05'W Which statement is TRUE?Not learned 17. You continue to steer 195°T. You pass Cape Charles Lighted Bell Buoy "14", 0.9 miles abeam to starboard at 2111. What is your speed made good from 2045 to 2111?Not learned 18. What is your course made good from 2045 to 2111?Not learned 19. If you are going to head directly for Chesapeake Light from your 2111 fix, what is the course to make good?Not learned 20. At 2200, you alter course to 204°T, at 14 knots. You expect a current on this leg of the trip, setting 325° at 1.5 knots. Which course should you steer per gyrocompass to make good the true course?Not learned 21. The Light List indicates that a light has a nominal range of 20 miles and is 52 feet high. If the visibility is 12.0 miles and your height of eye is 20 feet, at what approximate distance will you sight the light?Not learned 22. The following questions are to be answered using Chart 12354 TR, Long Island Sound - Eastern Part, and supporting publications. You are turning for 12.5 knots and on a course of 255°T. Your vessel's deep draft is 24 feet. Gyro error is 3°E. Use 14°W variation where required. DEVIATION TABLE Magnetic Heading Deviation 240° 2°W 255° 0° 270° 2°E 285° 4°E At 2216 your position is LAT 41°16.0'N, LONG 72°08.0'W. Which statement is TRUE?Not learned 23. If you estimate 3° leeway due to northerly winds, which course will you steer per standard magnetic compass (psc) to make good 255°T?Not learned 24. You sight Bartlett Reef Light in range with New London Harbor Light bearing 038°pgc. At the time of the bearing, the helmsman reports he was heading 253°pgc and 269° per standard magnetic compass. What is the deviation for that heading?Not learned 25. At 2255 you take the following visual bearings. Saybrook Breakwater Light 333°pgc Little Gull Island Light 094°pgc Horton Point Light 211°pgc What is your position?Not learned 26. At 2308 your position is LAT 41°12.7'N, LONG 72°22.8'W. You steer a course to make good 255°T from this position. At 2310 you receive a distress call from a vessel anchored 2.1 miles due north of Mattituck Inlet Light. If you change course at 2314, what is the course to steer per gyrocompass to arrive at the distress site if you allow 2° leeway for northerly winds, 3°E gyro error and correct your course for a current of 073°T at 1.3 knots?Not learned 27. Based on the information in the previous question, what is your ETA at the distress scene?Not learned 28. At 2347 you are advised that your assistance is no longer needed. At 2350 you change course to make good 268°T. At 0015 you take the following round of bearings: Kelsey Point Breakwater light 024°pgc Horton Point Light 100°pgc Falkner Island Light 333°pgc At 0030 Falkner Island Lt. 000°T What is the course and speed made good between 0015 and 0030?Not learned 29. At 0030 you alter course and speed to make good 265°T at 10 knots. What is your ETA at a point where Stratford Shoal Middle Ground Light is abeam?Not learned 30. At 0100 you notice that the wind has become SSW'ly and has freshened. At 0200 you sight Stratford Point Lighted Bell Buoy "18" bearing 268°pgc. At 0215 the buoy bears 269°pgc. Which statement is TRUE?Not learned 31. The Light List indicates that a light has a nominal range of 20 miles and is 52 feet high. If the visibility is 12.0 miles and your height of eye is 20 feet, at what approximate distance will you sight the light?Not learned 32. The following questions are to be answered using Chart 12354 TR, Long Island Sound - Eastern Part, and supporting publications. You are turning for 12.5 knots and on a course of 255°T. Your vessel's deep draft is 24 feet. Gyro error is 3°E. Use 14°W variation where required. DEVIATION TABLE Magnetic Heading Deviation 240° 2°W 255° 0° 270° 2°E 285° 4°E At 2216 your position is LAT 41°16.0'N, LONG 72°08.0'W. Which statement is TRUE?Not learned 33. If you estimate 3° leeway due to northerly winds, which course will you steer per standard magnetic compass (psc) to make good 255°T?Not learned 34. You sight Bartlett Reef Light in range with New London Harbor Light bearing 038°pgc. At the time of the bearing, the helmsman reports he was heading 253°pgc and 269° per standard magnetic compass. What is the deviation for that heading?Not learned 35. At 2255 you take the following visual bearings. Saybrook Breakwater Light 333°pgc Little Gull Island Light 094°pgc Horton Point Light 211°pgc What is your position?Not learned 36. At 2308 your position is LAT 41°12.7'N, LONG 72°22.8'W. You steer a course to make good 255°T from this position. At 2310 you receive a distress call from a vessel anchored 2.1 miles due north of Mattituck Inlet Light. If you change course at 2314, what is the course to steer per gyrocompass to arrive at the distress site if you allow 2° leeway for northerly winds, 3°E gyro error and correct your course for a current of 073°T at 1.3 knots?Not learned 37. Based on the information in the previous question, what is your ETA at the distress scene?Not learned 38. At 2347 you are advised that your assistance is no longer needed. At 2350 you change course to make good 268°T. At 0015 you take the following round of bearings: Kelsey Point Breakwater light 024°pgc Horton Point Light 100°pgc Falkner Island Light 333°pgc At 0030 Falkner Island Lt. 000°T What is the course and speed made good between 0015 and 0030?Not learned 39. At 0030 you alter course and speed to make good 265°T at 10 knots. What is your ETA at a point where Stratford Shoal Middle Ground Light is abeam?Not learned 40. At 0100 you notice that the wind has become SSW'ly and has freshened. At 0200 you sight Stratford Point Lighted Bell Buoy "18" bearing 268°pgc. At 0215 the buoy bears 269°pgc. Which statement is TRUE?Not learned 41. The Light List indicates that a light has a nominal range of 14 miles and is 42 feet high (12.8 meters). If the visibility is 6 miles and your height of eye is 20 feet (6.1 meters), at what approximate distance will you sight the light?Not learned 42. The following questions are based on Chart 13205TR, Block Island Sound, and the supporting publications. On 7 September, you are approaching Block Island Sound from sea. Your vessel has a draft of 20 feet. Equipment on board your vessel includes gyrocompass, magnetic compass, depth finder, and radar. At 1830 your position is LAT 40° 42.5' N, LONG 72° 07.1' W. You are on course 046°T and is making turns for 9 knots. At what time will your vessel be abeam of Buoy "MP"?Not learned 43. Your 1900 position is LAT 40°45.5'N, LONG 72°03.0'W. At your 1939 DR position, what is the expected relative bearing of Montauk Point Light on the port bow?Not learned 44. At 2000 Montauk Point Light bears 010°T. At 2030 Montauk Point Light bears 348°T. Assuming that you are making good your course of 046°T and a speed of 9 knots, what is your 2030 running fix position?Not learned 45. At 2050 Montauk Point Light is bearing 337° true at a range of 8nm, from this position, you change course in order to pass 1 mile due east of Montauk Point Lighted Whistle Buoy "MP". If there are no set and drift, what course must you steer?Not learned 46. 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?Not learned 47. At 2155: Montauk Point Light bears 249°T Watch Hill Point Light bears 335°T Block Island North Light bears 045° T At this time, you wish to change course to 288°T. The current has a set of 355°T and a drift of 2.0 knots. If your vessel is turning RPM's for 9 knots, what course must you steer in order to make your desired course good?Not learned 48. Montauk Point Light has a radar range of 3.9 miles and bears 170°T at 2232. What is the depth of water below your keel?Not learned 49. Your 2239 position is LAT 41°08.5'N, LONG 71°53.3'W. You change course to 315°T, and you maintain RPM's for 9 knots. At 2329: Little Gull Island Light bears 253°T Race Rock Light bears 309°T Watch Hill Point Light bears 058°T What were the set and drift of the current you experienced from your 2239 position?Not learned 50. Which nautical chart would you use to navigate into New London, CT?Not learned 51. The Light List shows that a navigational light has a nominal range of 6 miles and a height above water of 18 feet (5.5 meters). Your height of eye is 40 feet (12.2 meters) and the visibility is 27.0 miles. At which approximate range will you first sight the light?Not learned 52. The following questions are to be answered using Chart 13205 TR, Block Island Sound, and supporting publications. Your vessel is on a course of 090°T at a speed of 14 knots. Your draft is 37 feet, and your height of eye is 56 feet. At 1705: Race Rock Light bears 099°True Orient Point Light bears 176°True Bartlett Reef Light bears 083°True What is your vessel's position?Not learned 53. If there is no set or drift, at what time would you be abeam of Bartlett Reef Light?Not learned 54. At 1718, Bartlett Reef Light bears 050°T at a distance of 1.5 miles. From this position, you change course to 128°T. At 1750 Race Rock Light bears 336°T, Little Gull Island Light bears 285°T, and Montauk Point Light bears 134°T. What were the set and drift of the current you encountered since 1718?Not learned 55. If your fathometer is set on fathoms, what should your fathometer read at 1750?Not learned 56. At 1756 you determined your vessel's position to be 41°10.4'N, 71°59.2'W. From this position, you wish to change course to head for a point 5 miles west of Block Island North Light. With a reported set of 050°T, a drift of 2.0 knots and turning RPMs for 14 knots, which course should you steer to make good your desired course?Not learned 57. At 1844 Watch Hill Point bears 323°T and Block Island North Light bears 084°T. Which statement is TRUE?Not learned 58. From your 1850 position of 41°12.8'N, 71°44.1'W, you change course to 060°T. If you make the course good, what will be your predicted distance off Point Judith Light when the Light bears 015°T?Not learned 59. 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?Not learned 60. At 1942 Point Judith bears 030°T and has a range of 3.6 miles and Sandy Point has a range of 5.3 miles. What was your speed made good from your 1850 position?Not learned