Q414 - Navigation Problems: Chart Plot, USCG prep certification 2026

Progress: 24% (23/94)

Learning progress ?

1. What is the approximate geographic range of Assateague Light, VA, if your height of eye is 52 feet (15.8 meters)? Refer to "Reprints from the LIGHT LISTS AND COAST PILOTS".Not learned 2. 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 3. 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 4. You should expect to pass how far off buoy "12"?Not learned 5. 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 6. 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 7. 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 8. What is your course made good from 2045 to 2111?Not learned 9. If you are going to head directly for Chesapeake Light from your 2111 fix, what is the course to make good?Not learned 10. 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 11. 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 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 (16 meters) high. If the visibility is 20 miles and your height of eye is 20 feet (6 meters), at what approximate distance will you sight the light?Not learned 22. The following questions should be answered using Chart 12354TR, Long Island Sound - Eastern Part, and the supporting publications. You are on a coastwise voyage from Bridgeport, Conn., to Boston, Mass. You intend to divert to a position off New Haven, Conn., to evacuate an injured crew member. Your height of eye is 53 feet and your vessel's deep draft is 34 feet. Gyro error is 2°W. Use 14°W variation where required. At 0820 Old Field Point Light bears 206° per gyrocompass, and Stratford Shoals Middle Ground Light bears 322° per gyrocompass. The radar range to Middle Ground Light is 1.5 miles. What is your 0820 position?Not learned 23. From your 0820 position you change course to your rendezvous position, one mile due south of buoy "NH", speed 14.5 knots. You estimate the current to be 260°T at 0.5 knot. The wind is northwesterly at 20 knots and you estimate 2° leeway. What is your course per gyrocompass (pgc) to the rendezvous position, if you correct your heading for current and leeway?Not learned 24. At 0847 you take a round of bearings as follows: Middle Ground Shoal Light 237°pgc Stratford Point Light 289°pgc New Haven Light 019°pgc What were the set and drift since your 0820 position?Not learned 25. From your 0847 fix, you change course to arrive at the rendezvous position and, correcting for current, you estimate your speed over the ground at 15 knots. What is your ETA at the rendezvous?Not learned 26. At 1022 when you complete the evacuation, you get underway on course 098°T and order turns for 14.5 knots. You take the following round of bearings at that time: Stratford Point Light 260° per gyrocompass New Haven Light 326° per gyrocompass SW Ledge Light 358°Not learned 27. As you cross the New Haven Outer Channel range, you observe the range in line bearing 335.5° per gyrocompass. The helmsman reports that he was heading 100° per gyrocompass, and that the standard magnetic compass read 109° at the time of the observation. What are the gyro error and deviation of the standard magnetic compass on this heading?Not learned 28. At 1038 Branford Reef Light bears 019°pgc, Falkner Island Light bears 075°pgc, and the radar range to Branford Reef Light is 3.0 miles. Which statement is TRUE of your 1038 position?Not learned 29. Which of the following describes the north shore of Long Island, from Horton Point to Orient Point?Not learned 30. The visibility is excellent. When Race Rock Light Tower breaks the horizon, how far will you be from the Tower?Not learned 31. What is the approximate geographic range of Horton Point Light, NY, if your height of eye is 40 feet (12.2 meters)? Refer to "Reprints from the LIGHT LISTS AND COAST PILOTS".Not learned 32. The following questions should be answered using Chart 12354TR, Long Island Sound - Eastern Part, and the supporting publications. You are on a coastwise voyage from Bridgeport, Conn., to Boston, Mass. You intend to divert to a position off New Haven, Conn., to evacuate an injured crew member. Your height of eye is 53 feet and your vessel's deep draft is 34 feet. Gyro error is 2°W. Use 14°W variation where required. At 0820 Old Field Point Light bears 206° per gyrocompass, and Stratford Shoals Middle Ground Light bears 322° per gyrocompass. The radar range to Middle Ground Light is 1.5 miles. What is your 0820 position?Not learned 33. From your 0820 position you change course to your rendezvous position, one mile due south of buoy "NH", speed 14.5 knots. You estimate the current to be 260°T at 0.5 knot. The wind is northwesterly at 20 knots and you estimate 2° leeway. What is your course per gyrocompass (pgc) to the rendezvous position, if you correct your heading for current and leeway?Not learned 34. At 0847 you take a round of bearings as follows: Middle Ground Shoal Light 237°pgc Stratford Point Light 289°pgc New Haven Light 019°pgc What were the set and drift since your 0820 position?Not learned 35. From your 0847 fix, you change course to arrive at the rendezvous position and, correcting for current, you estimate your speed over the ground at 15 knots. What is your ETA at the rendezvous?Not learned 36. At 1022 when you complete the evacuation, you get underway on course 098°T and order turns for 14.5 knots. You take the following round of bearings at that time: Stratford Point Light 260° per gyrocompass New Haven Light 326° per gyrocompass SW Ledge Light 358°Not learned 37. As you cross the New Haven Outer Channel range, you observe the range in line bearing 335.5° per gyrocompass. The helmsman reports that he was heading 100° per gyrocompass, and that the standard magnetic compass read 109° at the time of the observation. What are the gyro error and deviation of the standard magnetic compass on this heading?Not learned 38. At 1038 Branford Reef Light bears 019°pgc, Falkner Island Light bears 075°pgc, and the radar range to Branford Reef Light is 3.0 miles. Which statement is TRUE of your 1038 position?Not learned 39. Which of the following describes the north shore of Long Island, from Horton Point to Orient Point?Not learned 40. The visibility is excellent. When Race Rock Light Tower breaks the horizon, how far will you be from the Tower?Not learned 41. What is the approximate geographic range of Horton Point Light, NY, if your height of eye is 40 feet (12.2 meters)? Refer to "Reprints from the LIGHT LISTS AND COAST PILOTS".Not learned 42. The following questions should be answered using Chart 12354TR, Long Island Sound - Eastern Part, and the supporting publications. You are on a coastwise voyage from Bridgeport, Conn., to Boston, Mass. You intend to divert to a position off New Haven, Conn., to evacuate an injured crew member. Your height of eye is 53 feet and your vessel's deep draft is 34 feet. Gyro error is 2°W. Use 14°W variation where required. At 0820 Old Field Point Light bears 206° per gyrocompass, and Stratford Shoals Middle Ground Light bears 322° per gyrocompass. The radar range to Middle Ground Light is 1.5 miles. What is your 0820 position?Not learned 43. From your 0820 position you change course to your rendezvous position, one mile due south of buoy "NH", speed 14.5 knots. You estimate the current to be 260°T at 0.5 knot. The wind is northwesterly at 20 knots and you estimate 2° leeway. What is your course per gyrocompass (pgc) to the rendezvous position, if you correct your heading for current and leeway?Not learned 44. At 0847 you take a round of bearings as follows: Middle Ground Shoal Light 237°pgc Stratford Point Light 289°pgc New Haven Light 019°pgc What were the set and drift since your 0820 position?Not learned 45. From your 0847 fix, you change course to arrive at the rendezvous position and, correcting for current, you estimate your speed over the ground at 15 knots. What is your ETA at the rendezvous?Not learned 46. At 1022 when you complete the evacuation, you get underway on course 098°T and order turns for 14.5 knots. You take the following round of bearings at that time: Stratford Point Light 260° per gyrocompass New Haven Light 326° per gyrocompass SW Ledge Light 358°Not learned 47. As you cross the New Haven Outer Channel range, you observe the range in line bearing 335.5° per gyrocompass. The helmsman reports that he was heading 100° per gyrocompass, and that the standard magnetic compass read 109° at the time of the observation. What are the gyro error and deviation of the standard magnetic compass on this heading?Not learned 48. At 1038 Branford Reef Light bears 019°pgc, Falkner Island Light bears 075°pgc, and the radar range to Branford Reef Light is 3.0 miles. Which statement is TRUE of your 1038 position?Not learned 49. Which of the following describes the north shore of Long Island, from Horton Point to Orient Point?Not learned 50. The visibility is excellent. When Race Rock Light Tower breaks the horizon, how far will you be from the Tower?Not learned 51. What is the approximate geographic range of Horton Point Light, NY, if your height of eye is 40 feet (12.2 meters)? Refer to "Reprints from the LIGHT LISTS AND COAST PILOTS".Not learned 52. The following questions should be answered using Chart 12354TR, Long Island Sound - Eastern Part, and the supporting publications. You are on a coastwise voyage from Bridgeport, Conn., to Boston, Mass. You intend to divert to a position off New Haven, Conn., to evacuate an injured crew member. Your height of eye is 53 feet and your vessel's deep draft is 34 feet. Gyro error is 2°W. Use 14°W variation where required. At 0820 Old Field Point Light bears 206° per gyrocompass, and Stratford Shoals Middle Ground Light bears 322° per gyrocompass. The radar range to Middle Ground Light is 1.5 miles. What is your 0820 position?Not learned 53. From your 0820 position you change course to your rendezvous position, one mile due south of buoy "NH", speed 14.5 knots. You estimate the current to be 260°T at 0.5 knot. The wind is northwesterly at 20 knots and you estimate 2° leeway. What is your course per gyrocompass (pgc) to the rendezvous position, if you correct your heading for current and leeway?Not learned 54. At 0847 you take a round of bearings as follows: Middle Ground Shoal Light 237°pgc Stratford Point Light 289°pgc New Haven Light 019°pgc What were the set and drift since your 0820 position?Not learned 55. From your 0847 fix, you change course to arrive at the rendezvous position and, correcting for current, you estimate your speed over the ground at 15 knots. What is your ETA at the rendezvous?Not learned 56. At 1022 when you complete the evacuation, you get underway on course 098°T and order turns for 14.5 knots. You take the following round of bearings at that time: Stratford Point Light 260° per gyrocompass New Haven Light 326° per gyrocompass SW Ledge Light 358°Not learned 57. As you cross the New Haven Outer Channel range, you observe the range in line bearing 335.5° per gyrocompass. The helmsman reports that he was heading 100° per gyrocompass, and that the standard magnetic compass read 109° at the time of the observation. What are the gyro error and deviation of the standard magnetic compass on this heading?Not learned 58. At 1038 Branford Reef Light bears 019°pgc, Falkner Island Light bears 075°pgc, and the radar range to Branford Reef Light is 3.0 miles. Which statement is TRUE of your 1038 position?Not learned 59. Which of the following describes the north shore of Long Island, from Horton Point to Orient Point?Not learned 60. The visibility is excellent. When Race Rock Light Tower breaks the horizon, how far will you be from the Tower?Not learned 61. The Light List indicates that a light has a nominal range of 13 miles and is 36 feet high (11.0 meters). If the visibility is 7.0 miles and your height of eye is 25 feet (7.6 meters), at what approximate distance will you sight the light?Not learned 62. The following questions are based on Chart 13205TR, Block Island Sound, and the supporting publications. Your vessel has just taken departure from New London harbor. Your height of eye is 65 feet and your vessel's draft is 22feet. Use 15°W variation where required. At 1910 you obtain the following bearings: Bartlett Reef Light: 268°T Race Rock Light: 147°T Little Gull Island Light: 198°TNot learned 63. From your 1910 position, you set a course of 162°T at a speed of 14 knots. What is the distant off Race Rock Light when abeam of it?Not learned 64. At 1934 Little Gull Island Light bears 277°T and Race Rock Light bears 000°T. Which were the set and drift between 1910 and 1934?Not learned 65. From your 1934 position, you change course to pass 2.0 miles due north of Block Island Sound South Entrance Obstruction Lighted "BIS" Buoy. If you adjust your course only (while maintaining an engine speed of 14 knots) for a set and drift of 230°T at 3.5 knots, what is your ETA and distance off when abeam of Shagwong Reef Lighted Bell Buoy "7SR"?Not learned 66. At 1959 Watch Hill Point Light bears 030°T, Montauk Point Light bears 146°T, and Little Gull Light bears 283°T. What is the approximate fathometer reading?Not learned 67. At 2038 Block Island North Light bears 065°T and Montauk Point Light bears 216°T Which statement is TRUE?Not learned 68. From your 2038 position you change course to 104°T and increase engine speed to 18 knots. If you make good this course and speed, at what time will Southwest Ledge Lighted Bell Buoy "2" bear 157°T?Not learned 69. At 2107 Southeast Point Light bears 062°T, and at 2112 this light bears 038°T. What is your distance off Southeast Point Light at 2112? (assume no set and drift)Not learned 70. At 2132 you sight Block Island Southeast Point Light in line with the Aerobeacon (rotating white and green) bearing 308.5°pgc. The helmsman reports he was heading 106°pgc and 119°psc. What is the deviation on that heading?Not learned