Q383 - Navigation Problems: Chart Plot, USCG prep certification 2026

Progress: 24% (23/94)

Learning progress ?

1. The following questions (1-10) are based on the Army Corps of Engineers Mississippi River Maps (Cairo to the Gulf) and the Light List. AHP = Above Head of Passes LMR = Lower Mississippi River UMR = Upper Mississippi River OHR = Ohio River ACOE = Army Corps of Engineers On 16 October, you depart the mooring facility at mile 233.5 AHP with six loaded tank barges enroute to a dock in Herculaneum, MO (mile 153.4 UMR). Your engines are making turns for 6.5 mph in still water. What is the total length of the trip?Not learned 2. You estimate the current at 3.0 mph. What is the speed over the ground?Not learned 3. What are the dimensions of the channel maintained from Baton Rouge to New Orleans, LA?Not learned 4. You pass Springfield Bend Lt. (mile 244.8 AHP) at 1242, on 17 October, and estimate the current will average 2.5 mph for the remainder of your trip. What is your ETA at the mouth of the Ohio River if you are making turns for 10.5 mph?Not learned 5. As you pass under the Natchez-Vidalia Dual Bridge, the gage on the bridge reads +3.6 feet. If the highest point on your vessel is 62 ft. above the water, what is your vertical clearance?Not learned 6. What are the color and shape of Togo Island daymark at mile 414.6 AHP?Not learned 7. At 1227, on 19 October, you pass under the Greenville Highway Bridge (mile 531.3 AHP). What speed must you average to arrive at Jimmy Hawken Light (mile 663.5 AHP) at 0930 the following day?Not learned 8. Which of the following statements regarding aids to navigation shown in the Corps. of Engineers map book is TRUE?Not learned 9. The Delta-Friar Point revetment on the LMR extends from mile __________.Not learned 10. What is the distance from Baton Rouge, LA, to St. Louis, MO, on the Mississippi River System?Not learned 11. The following questions (1-10) are based on the Army Corps of Engineers Mississippi River Maps (Cairo to the Gulf) and the Light List. AHP = Above Head of Passes LMR = Lower Mississippi River UMR = Upper Mississippi River OHR = Ohio River ACOE = Army Corps of Engineers At 0620 on 25 November, you depart Cape Girardeau fleeting area (mile 53.0 UMR) bound for Bisso Towboat Co. Mooring New Orleans, LA, (mile 102.0 AHP). Your engines are turning for 8.2 mph. You estimate the current at 1.5 mph. What is your speed over the ground?Not learned 12. What is the distance to Caruthersville Gage from Cape Girardeau?Not learned 13. Which dayboard would you see on Puntney Light (mile 943.6 AHP)?Not learned 14. What is the distance from the Memphis Gage to the Redneb Services Dock in New Orleans, LA.?Not learned 15. How long will it take you to go from the Memphis Gage to your destination in New Orleans, LA, if you estimate the average current on this segment of the route to be 2.0 mph and you increase the engine turns to 8.5 mph.Not learned 16. What is the minimum maintained depth of the channel from Cairo to Baton Rouge during low water?Not learned 17. You see a buoy with red and green bands. What does this buoy indicate?Not learned 18. As you approach Old River Control Structure Light you see a flashing amber light. Which action should you take?Not learned 19. What are the dimensions of the Old River Lock?Not learned 20. At 1710 on 27 November, you are abeam of Kings Point Lt. (mile 439.8 AHP). At this time you receive a message that there will not be space for you at the Redneb Services Dock until after 1200 on the 29th of November. What speed over the ground will you have to slow to so as not to arrive before this time?Not learned 21. The following questions (1-10) are based on the Army Corps of Engineers Mississippi River Maps (Cairo to the Gulf) and the Light List. AHP = Above Head of Passes LMR = Lower Mississippi River UMR = Upper Mississippi River OHR = Ohio River ACOE = Army Corps of Engineers On 16 October, you depart the mooring facility at mile 233.5 AHP with six loaded tank barges enroute to a dock in Herculaneum, MO (mile 153.4 UMR). Your engines are making turns for 6.5 mph in still water. What is the total length of the trip?Not learned 22. You estimate the current at 3.0 mph. What is the speed over the ground?Not learned 23. What is the Federal Project Depth of the channel from Baton Rouge to New Orleans, LA?Not learned 24. You pass Springfield Bend Lt. (mile 244.8 AHP) at 1242, on 17 October, and estimate the current will average 2.5 mph for the remainder of your trip. What is your ETA at the mouth of the Ohio River if you are making turns for 10.5 mph?Not learned 25. As you pass under the Natchez-Vidalia Dual Bridge, the gage on the bridge reads +3.6 feet. If the highest point on your vessel is 62 ft. above the water, what is your vertical clearance?Not learned 26. What are the color and shape of Togo Island daymark at mile 414.6 AHP?Not learned 27. At 1227, on 19 October, you pass under the Greenville Highway Bridge (mile 531.3 AHP). What speed must you average to arrive at Jimmy Hawken Light (mile 663.5 AHP) at 0930 the following day?Not learned 28. Which of the following statements regarding aids to navigation shown in the Corps. of Engineers map book is TRUE?Not learned 29. The Delta-Friar Point revetment on the LMR extends from mile __________.Not learned 30. What is the distance from Baton Rouge, LA, to St. Louis, MO, on the Mississippi River System?Not learned 31. The following questions (1-10) are based on the Army Corps of Engineers Mississippi River Maps (Cairo to the Gulf) and the Light List. AHP = Above Head of Passes LMR = Lower Mississippi River UMR = Upper Mississippi River OHR = Ohio River ACOE = Army Corps of Engineers At 1145, on 24 August, you depart Memphis Harbor, McKellar Lake (mile 726.0 AHP) enroute to Baton Rouge, LA, with a tow of twelve empty gasoline barges. You have received orders to proceed to the Amoco Pipeline Co. (mile 253.6 AHP) above Baton Rouge. If your vessel is making turns for 9 mph with an estimated average current of 1.5 mph, what is your ETA at the Amoco docks?Not learned 32. The highest point on your towboat is 32 feet above the water, and the Helena Gage reads +6.6 feet. What is the vertical clearance when you pass under the A-span of the Helena Highway Bridge?Not learned 33. You are in charge of a vessel that damages an aid to navigation established and maintained by the United States. Which statement is TRUE?Not learned 34. At 1727, on 24 August, you pass under the Helena Highway Bridge (mile 661.7 AHP). What has been the average speed of the current since departing Memphis Harbor, McKellar Lake, if you have been making turns for 9 mph?Not learned 35. What is the distance in river miles, from the mouth of the Yazoo Diversion Canal to the RR and Hwy bridge at Baton Rouge, LA?Not learned 36. The Crooked River empties into which river?Not learned 37. As you pass under the Greenville Highway Bridge, you estimate the current as 3.5 mph. What is the speed over the ground, if your vessel is making turns for 9 mph?Not learned 38. As you approach Walnut Point Light (mile 522.5 AHP), which type of daymark would you see on the light structure?Not learned 39. Which light rhythm does Black Hawk Light (mile 318.3 AHP) exhibit?Not learned 40. On what river is Ghent, Kentucky located?Not learned 41. The following questions (1-10) are based on the Army Corps of Engineers Mississippi River Maps (Cairo to the Gulf) and the Light List. AHP = Above Head of Passes LMR = Lower Mississippi River UMR = Upper Mississippi River OHR = Ohio River ACOE = Army Corps of Engineers At 0620 on 25 November, you depart Cape Girardeau fleeting area (mile 53.0 UMR) bound for Bisso Towboat Co. Mooring New Orleans, LA, (mile 102.0 AHP). Your engines are turning for 8.2 mph. You estimate the current at 1.5 mph. What is your speed over the ground?Not learned 42. What is the distance to Caruthersville Gage from Cape Girardeau?Not learned 43. Which dayboard would you see on Puntney Light (mile 943.6 AHP)?Not learned 44. What is the distance from the Memphis Gage to the Redneb Services Dock in New Orleans, LA.?Not learned 45. How long will it take you to go from the Memphis Gage to your destination in New Orleans, LA, if you estimate the average current on this segment of the route to be 2.0 mph and you increase the engine turns to 8.5 mph.Not learned 46. What is the minimum maintained depth of the channel from Cairo to Baton Rouge during low water?Not learned 47. You see a buoy with red and green bands. What does this buoy indicate?Not learned 48. As you approach Old River Control Structure Light you see a flashing amber light. Which action should you take?Not learned 49. What are the dimensions of the Old River Lock?Not learned 50. At 1710 on 27 November, you are abeam of Kings Point Lt. (mile 439.8 AHP). At this time you receive a message that there will not be space for you at the Redneb Services Dock until after 1200 on the 29th of November. What speed over the ground will you have to slow to so as not to arrive before this time?Not learned 51. The following questions (1-10) are based on the Army Corps of Engineers Mississippi River Maps (Cairo to the Gulf) and the Light List. AHP = Above Head of Passes LMR = Lower Mississippi River UMR = Upper Mississippi River OHR = Ohio River ACOE = Army Corps of Engineers On 3 January you get underway from Cambalick Dock, Morganza, LA, (mile 278.3 AHP) enroute to the Valvoline Pier RDB, (mile 176.3UMR). What is the length of the trip?Not learned 52. What are the dimensions of the Old River Lock on the Lower Old River (304 AHP)?Not learned 53. At 2126, you pass Morganza Bend Light (mile 278.4 AHP). At 0122, 4 January, you pass Red River Landing Gage (302.4 AHP). You have been turning for 7.5 mph. What is the current?Not learned 54. The Gage at Red River Landing reads 22.2 feet. The low water reference plane for Red River is 10.6 feet. How many feet is this above the low water reference plane?Not learned 55. The river will be temporarily closed to navigation at mile 531.3 AHP due to repairs to the bridge. This will occur at 1300, 5 January, and last for six hours. What minimum speed over the ground must you make from Red River Landing Gage to arrive before commencement of repairs in order not to be delayed?Not learned 56. What type of daymark will you see as you approach Joe Pierce Light (mile 335.4 AHP)?Not learned 57. What is the vertical clearance of the Natchez Highway Bridge (westbound) when the river level is the same as the Low Water Reference Plane (6.1 ft)?Not learned 58. The Natchez Gage reads 20.6 feet. The high point on your towboat is 47 feet above the water. What is the vertical clearance as you pass under the Natchez Highway Bridge?Not learned 59. In order to determine what buoys, if any, are in place at Concordia Bar crossing (mile 596.0 AHP), what should you check?Not learned 60. The area between Island 67 Upper Light (mile 623.1 AHP) and Sunflower Cut-off Foot Light (mile 624.8 AHP) is known as a __________.Not learned 61. The following questions (1-10) are based on the Army Corps of Engineers Mississippi River Maps (Cairo to the Gulf) and the Light List. AHP = Above Head of Passes LMR = Lower Mississippi River UMR = Upper Mississippi River OHR = Ohio River ACOE = Army Corps of Engineers On 21 September, you are making up your tow at the fleeting area in Cairo, IL (mile 980.6 Ohio River). You get underway at 0952 enroute to New Orleans with a mixed tow. You are turning for 7.8 mph and estimate the current at 1.0 mph. What is your speed over the ground?Not learned 62. What is your ETA at the Memphis Highway Bridge?Not learned 63. What daymark should you see as you approach Parker Landing Light (mile 924.5 AHP)?Not learned 64. You pass Morrison Towhead Light (mile 890.5 AHP) at 1723. What was your average speed since leaving Cairo?Not learned 65. At 1723 you increase speed to make good 9.2 mph. At 1937 you have a daymark on your port beam. What daymark is this?Not learned 66. The charts show a circle with two black quadrants located at mile 846.0 AHP. What does this indicate?Not learned 67. The Helena Gage reads 9.4 feet. The high point on your towboat is 46 feet above water. What is the vertical clearance when you pass under the Helena Highway Bridge?Not learned 68. What company does NOT have a marine facility along the riverbank in Helena (mile 658 to 665 AHP)?Not learned 69. If the Rosedale Gage reads -0.5 feet, what is the water level if the low water reference plane for Rosedale is 3.0 feet?Not learned 70. Which of the following describes the river at Cypress Bend, mile 569.0 AHP?Not learned