Q172 - Navigation Problems: Chart Plot, USCG prep certification 2026

Progress: 24% (23/94)

Learning progress ?

1. The level of mean high water at Old Point Comfort is how many feet above the sounding datum?Not learned 2. You are on course 027° per magnetic compass when you take the following bearings per magnetic compass: New Point Comfort Spit Light "2": 253° Horn Harbor Entrance Light HH: 282° Wolf Trap Light: 348° What is the position of the fix?Not learned 3. You sight Tue Marshes Light (LAT 37°14.1'N, LONG 76°23.2'W) in line with Goodwin Thorofare Light "16" (LAT 37°13.7'N, LONG 76°25.0'W) dead ahead bearing 264° per standard magnetic compass. Which statement is TRUE?Not learned 4. At 1919 your position is LAT 37°00.5'N, LONG 75°43.8'W. At 2019 your position is LAT 37°00.0'N, LONG 75°30.0'W. What is the course made good?Not learned 5. What will be the average direction of the current in Lynnhaven Roads at 1000 DST (ZD +4) on 23 July 1983?Not learned 6. At 0914 you are in Chesapeake Bay southeast inbound lane with buoy "CBJ" close aboard to port. What is your ETA at Thimble Shoal Channel Buoy "19" if you are making 10.9 knots?Not learned 7. Your position is LAT 37°00.0'N, LONG 75°30.0'W. What is the course to steer per standard magnetic compass to arrive at LAT 36°59.0'N, LONG 75°48.5'W, if you are making 7.8 knots, the current is 239°T at 1.3 knots, and a southeasterly wind is causing 3° of leeway?Not learned 8. At 0919 your position is LAT 37°00.0'N, LONG 75°30.0'W. You are on course 270°T at 7.8 knots. At 1035 your position is LAT 37°00.5'N, LONG 75°43.8'W. What was the set and drift?Not learned 9. Your GPS position is LAT 36°59.0'N, LONG 75°48.6'W. What is the course per standard magnetic compass to a position one mile south of Cape Charles Lighted Bell Buoy "14" (LAT 37°07.4'N, LONG 75°41.0'W)?Not learned 10. You are considering anchoring approximately three miles northeast of Chesapeake Light. After examining the chart you decide not to because of the __________.Not learned 11. What are the bottom characteristics of Nautilus Shoal (LAT 37°03'N, LONG 75°56'W)?Not learned 12. Which of the following describes the abandoned lighthouse west of Cape Henry Light?Not learned 13. What is the horizontal clearance of the navigation opening of Trestle B of the Chesapeake Bay Bridge and Tunnel?Not learned 14. You are on course 027° per magnetic compass when you take the following bearings per magnetic compass: New Point Comfort Spit Light "2": 253° Horn Harbor Entrance Light HH: 282° Wolf Trap Light: 348° What is the position of the fix?Not learned 15. You sight Thimble Shoal Light in line with Old Point Comfort Light bearing 265° per standard magnetic compass. You are on course 135°psc. Based on this information which of the following is true?Not learned 16. Your 1302 position is LAT 37°14.7'N, LONG 76°22.7'W. You are turning for 9.6 knots. What is your ETA at Trestle C of the Chesapeake Bay Bridge and Tunnel if you follow York River Entrance Channel?Not learned 17. What is the first course per standard magnetic compass (psc) in the outbound southeasterly traffic lane of the Chesapeake Bay entrance traffic separation scheme?Not learned 18. What is the true heading to steer outbound in Thimble Shoal Channel if your engines are turning for 8.0 knots, the current is 050°T at 1.0 knot and a northerly wind causes 3° of leeway?Not learned 19. At 1239 your GPS indicates a position of LAT 36°55.2'N, LONG 75°33.1'W. You are on course 281° per standard magnetic compass at a speed of 9.2 knots. At 1318 your GPS indicates your position as LAT 36°54.8'N, LONG 75°39.8'W. What were the set and drift?Not learned 20. At 1256 your GPS position is LAT 36°57.0'N, LONG 75°41.0'W. At 1336 your position is LAT 37°07.5'N, LONG 75°39.1'W. What was the speed made good between the fixes?Not learned 21. Your present position is LAT 41°05.5'N, LONG 72°38.0'W. Assuming that there is no set and drift, what course must you steer per standard magnetic compass (psc) to arrive at a position midway between New Haven Harbor Channel buoys #1 and #2?Not learned 22. You are on course 262° per standard magnetic compass when you take the following bearings: Saybrook Breakwater Light 338.5°psc Little Gull Island Light 107.5°psc Horton Point Light 240.0°psc What is your position?Not learned 23. At 1930 your GPS position is LAT 41°08.6'N, LONG 72°41.6'W. At 2024 your position is LAT 41°00.5'N, LONG 72°49.5'W. What is your true course and speed made good?Not learned 24. You are going to anchor at Gardiners Bay in LAT 41°04.5'N, LONG 72°13.0'W. What type of bottom should you expect?Not learned 25. What best describes the condition of the tidal current at New London Harbor Entrance, at 0945 on 3 March 1983?Not learned 26. You are on course 119°psc. You sight New Haven Outer Channel Range Rear Light in line with the Outer Channel Range Front Light bearing 346° per standard magnetic compass. What does this indicate?Not learned 27. At 1815 your GPS position is LAT 41°09.2'N, LONG 72°36.9'W. You are steering course 285° per standard magnetic compass at a speed of 16 knots. At 1909 you fix your position by plotting several compass bearings on nearby known fixed objects. These result in a position of LAT 41°08.5'N, LONG 72°53.7'W. What were your set and drift?Not learned 28. At 0829 your position is LAT 41°02.9'N, LONG 72°57.4'W. You are making turns for 8.5 knots. What is your ETA at a position midway between buoys "1" and "2" at the entrance of New Haven Outer Channel?Not learned 29. What course should you steer by your standard magnetic compass (psc), between New Haven Light and Stratford Pt. Light, if the set and drift of the current are 345°T at 3.0 knots, and a northerly wind will cause 1° of leeway? Your engines are making turns for 18.0 knots.Not learned 30. (5.8.2.1C10-1) You are operating in the area approximately 2 miles southeast of Kelsey Point when you realize that your vessel's intended track will carry you over the wreck charted at LAT 41°13.5'N, LONG 72°29.6'W. Which statement is TRUE?Not learned 31. Your present position is LAT 41°05.5'N, LONG 72°38.0'W. Assuming that there is no set and drift, what course must you steer per standard magnetic compass (psc) to arrive at a position midway between New Haven Harbor Channel buoys #1 and #2?Not learned 32. You are on course 262° per standard magnetic compass when you take the following bearings: Saybrook Breakwater Light 338.5°psc Little Gull Island Light 107.5°psc Horton Point Light 240.0°psc What is your position?Not learned 33. At 1930 your GPS position is LAT 41°08.6'N, LONG 72°41.6'W. At 2024 your position is LAT 41°00.5'N, LONG 72°49.5'W. What is your true course and speed made good?Not learned 34. You are going to anchor at Gardiners Bay in LAT 41°04.5'N, LONG 72°13.0'W. What type of bottom should you expect?Not learned 35. What best describes the condition of the tidal current at New London Harbor Entrance, at 0945 on 3 March 1983?Not learned 36. You are on course 119°psc. You sight New Haven Outer Channel Range Rear Light in line with the Outer Channel Range Front Light bearing 346° per standard magnetic compass. What does this indicate?Not learned 37. At 1815 your GPS position is LAT 41°09.2'N, LONG 72°36.9'W. You are steering course 285° per standard magnetic compass at a speed of 16 knots. At 1909 you fix your position by plotting several compass bearings on nearby known fixed objects. These result in a position of LAT 41°08.5'N, LONG 72°53.7'W. What were your set and drift?Not learned 38. At 0829 your position is LAT 41°02.9'N, LONG 72°57.4'W. You are making turns for 8.5 knots. What is your ETA at a position midway between buoys "1" and "2" at the entrance of New Haven Outer Channel?Not learned 39. What course should you steer by your standard magnetic compass (psc), between New Haven Light and Stratford Pt. Light, if the set and drift of the current are 345°T at 3.0 knots, and a northerly wind will cause 1° of leeway? Your engines are making turns for 18.0 knots.Not learned 40. (5.8.2.1C10-1) You are operating in the area approximately 2 miles southeast of Kelsey Point when you realize that your vessel's intended track will carry you over the wreck charted at LAT 41°13.5'N, LONG 72°29.6'W. Which statement is TRUE?Not learned 41. Your GPS position is LAT 41°10.0'N, LONG 72°52.5'W. What is the course per standard magnetic compass to a position one mile due south of Falkner Island Light?Not learned 42. You are on course 243° per standard magnetic compass when you take the following bearings: Falkner Island Light: 342°psc Mattituck Inlet Light: 207°psc Horton Point Light: 112°psc What is your position?Not learned 43. You are on course 119°psc. You sight New Haven Outer Channel Range Rear Light in line with the Outer Channel Range Front Light bearing 346° per standard magnetic compass. What does this indicate?Not learned 44. What is the course to steer between Port Jefferson Approach buoy "PJ" and New Haven Lighted Buoy "NH"? Your engine speed is 12 knots and you allow for a current of 93°T at 0.8 knot. A NW'ly wind causes 3° leeway.Not learned 45. (5.8.2.1C10-1) You are operating in the area approximately 2 miles southeast of Kelsey Point when you realize that your vessel's intended track will carry you over the wreck charted at LAT 41°13.5'N, LONG 72°29.6'W. Which statement is TRUE?Not learned 46. What best describes the condition of the tidal current at New London Harbor Entrance, at 0945 on 3 March 1983?Not learned 47. At 1620 your GPS indicates a position of LAT 41°09.0'N, LONG 72°40.0'W. You are on course 134° per standard magnetic compass at a speed of 10 knots. At 1700 your GPS indicates your position as LAT 41°05.3'N, LONG 72°33.7'W. What were the set and drift?Not learned 48. Your 2108 position is LAT 41°10.0'N, LONG 72°30.0'W. You are turning for 12.5 knots. What is your ETA at Buoy NH (LAT 41°12.1'N, LONG 72°53.8'W)?Not learned 49. You are going to anchor at Gardiners Bay in LAT 41°04.5'N, LONG 72°13.0'W. What type of bottom should you expect?Not learned 50. At 1035 your GPS position of LAT 41°05.3'N, LONG 72°33.7'W. At 1103 your position is LAT 41°09.0'N, LONG 72°40.0'W. What was your speed made good?Not learned 51. At 1016 your GPS position is LAT 41°07.6'N, LONG 71°37.9'W. At 1104 your position is LAT 41°00.2'N, LONG 71°29.4'W. What was the true course made good between the two positions?Not learned 52. What soundings are indicated by a blue tint on this chart?Not learned 53. Determine the course per standard magnetic compass from 0.2 mile south of Race Rock Light (LAT 41°14.6'N, LONG 72°02.8'W) to the entrance of the channel to Lake Montauk (west of Montauk Point).Not learned 54. You are on course 025° per standard magnetic compass when you take the following bearings: Point Judith Light: 072°psc Block Island North Point Light: 118°psc Watch Hill Light: 306°psc What is your position?Not learned 55. Your position is 3 miles due east of Montauk Point Light. What is the course to steer to arrive one mile due south of Block Island Southeast Point Light, if you are turning for 8.6 knots, the current is 130° at 1.2 knots, and a northerly wind causes 3° of leeway?Not learned 56. (5.8.2.1A8-4) At 0943, your position is LAT 41°14.8'N, LONG 71°54.3'W. You are turning for 12.2 knots. What is your ETA at the entrance to Great Salt Pond on Block Island?Not learned 57. You are on course 056° per standard magnetic compass when you sight Block Island North Light in line with the Block Island Aero Beacon bearing 193° per standard magnetic compass. Based on this information which of the following should you do?Not learned 58. At 1516 your position is LAT 41°11.3'N, LONG 71°48.6'W. You are on course 300° per standard magnetic compass at 9.4 knots. At 1600 your position is LAT 41°14.0'N, LONG 71°58.1'W. What were the set and drift?Not learned 59. The Ruins (LAT 41°08.5'N, L0NG 72°08.8'W) is __________.Not learned 60. Which of the following describes Point Judith Harbor of Refuge (LAT 41°22'N, LONG 71°30'W)?Not learned 61. You are on course 073° per standard magnetic compass when you take the following bearings: Watch Hill Point Light: 037°psc Montauk Point Light: 179°psc Race Rock Light: 289°psc What is your position?Not learned 62. 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?Not learned 63. Determine the course per standard magnetic compass from 0.2 mile south of Race Rock Light (LAT 41°14.6'N, LONG 72°02.8'W) to the entrance of the channel to Lake Montauk (west of Montauk Point).Not learned 64. What soundings are indicated by a blue tint on this chart?Not learned 65. You sight North Dumpling Island Light in line with Latimer Reef Light (LAT 41°18.2'N, LONG 71°56.0'W) bearing 089° per standard magnetic compass. If your vessel was heading 297° per standard magnetic compass at the time, which of the following is TRUE?Not learned 66. Your position is 3 miles due east of Montauk Point Light. What is the course to steer to arrive at LAT 41°00.0'N, LONG 71°30.0'W, if you are turning for 7.8 knots, the current is 130° at 1.2 knots, and a southerly wind causes 3° of leeway?Not learned 67. At 1256 your GPS position is LAT 36°57.0'N, LONG 75°41.0'W. At 1336 your position is LAT 37°07.5'N, LONG 75°39.1'W. What was the speed made good between the fixes?Not learned 68. Which of the following describes Block Island?Not learned 69. At 1523 your position is LAT 41°08.2'N, LONG 71°34.4'W. You are turning for 8.7 knots. What is your ETA at Shagwong Reef Buoy "7SR"?Not learned 70. What does the precautionary area southeast of Block Island refer to?Not learned