Q389 - 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 at Baton Rouge, 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 Anconia Pt. Light at mile 528.6 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 Greenville, MS, 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 1835, on 10 August, you are downbound on the Upper Mississippi River at St. Louis, MO (mile 184.0 UMR), with a mixed tow of 6 loaded, covered hopper barges, 2 loaded tank barges, and 2 empty hopper barges. You have orders to drop off the empties at the fleeting area in Cairo and add five loaded barges to your tow. If you are turning for 8 mph and estimate the current at 0.5 mph, what is your ETA at Cairo?Not learned 12. You complete changing out your tow and get underway enroute Memphis, Tennessee to deliver 2 tank barges. What is the distance you must travel from Cairo Point Light to the Lion Oil Refining Co. Docks in Memphis?Not learned 13. As you approach Kate Aubrey Towhead Light (mile 789.5 AHP), your searchlight will show what type of marking at the light?Not learned 14. The highest point on your towboat is 57 feet above the water, and the Memphis Gage reads +1.3 feet. What is the vertical clearance when you pass under the Memphis Highway Bridge in Memphis?Not learned 15. At 0230 on 13 August, you are at mile 610.5 AHP when you see about a mile ahead lights on the water near the left bank. What might you see when you come abreast of these lights?Not learned 16. What is the mile point of the Rosedale Gage?Not learned 17. Which of the following statements concerning the buoys on the Mississippi River is TRUE?Not learned 18. At 1430 on 13 August, you pass Carolina Landing Light (mile 508.8 AHP). What has been the average current since 0230, 13 August if you have been making turns for 8.0 mph?Not learned 19. You are approaching the Old River Control Structure (mile 314.5 AHP). The structure is in operation. Which of the following statements is TRUE?Not learned 20. The latest available information on the channel conditions above Baton Rouge that includes recommended course and the latest buoy information is found in the __________.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 At 2345, on 25 December, you depart Memphis Harbor, McKellar Lake (mile 726.0 AHP - LMR) enroute to the Petroleum Fuel & Terminal Co. (144.6 AHP) in Angelina, LA, with a tow of eight full gasoline barges. If your vessel is making turns for 7.5 mph with an estimated average current of 1.5 mph, what is your ETA at the dock in Angelina, LA?Not learned 22. The highest point on your towboat is 67 feet above the water, and the Helena Gage reads +22.3 feet. What is the vertical clearance when you pass under the A-span of the Helena Highway Bridge?Not learned 23. Which of the following statements are TRUE?Not learned 24. At 0509, on 26 December, 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 7.5 mph?Not learned 25. What is the distance in river miles, from the new mouth of the White River to the Petroleum Fuel & Terminal Co. (144.6 AHP)?Not learned 26. The Platte River empties into which river?Not learned 27. You are downbound, passing by Warfield Point Lt. (mile 537 AHP), when you observe on your Mississippi River map several black lines extending into the river from the bank. What do these lines indicate?Not learned 28. As you pass under the Vicksburg Bridges, you estimate the current as 3.0 mph. What is the speed over the ground, if your vessel is making turns for 10.5 mph?Not learned 29. As you approach Buckridge Light (mile 412.5 AHP), which type of daymark would you see on the light structure?Not learned 30. As you approach mile 659 (AHP), you notice on the map a dashed line crossing the river at mile 659.9 (AHP). What does this line indicate?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 On 9 September, you depart the mooring facility at mile 233.5 (AHP) with six loaded tank barges enroute to the Alton Barge Terminal, Alton, IL. mile 202.0 (UMR). Your engines are making turns for 7.5 mph in still water. What is the total length of the trip?Not learned 32. You estimate the current at 2.0 mph. What is the speed over the ground?Not learned 33. What are the dimensions of the Port Allen Lock at Baton Rouge, LA?Not learned 34. At 0119, on 10 September, you pass Springfield Bend Lt. (mile 244.8 AHP) 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 8.5 mph?Not learned 35. 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 36. Which type of daymark would you see on the Belle Island Corner Lt. at mile 458.6 (AHP?Not learned 37. At 1814, on 11 September, 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 38. What is the horizontal span of the main channel of the Vicksburg Highway Bridge?Not learned 39. How far does the Vaucluse Trench Fill revetment on the LMR extend?Not learned 40. What is the distance from Baton Rouge, LA, to Hickman, KY, on the Mississippi River System?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 2345, on 25 December, you depart Memphis Harbor, McKellar Lake (mile 726.0 AHP - LMR) enroute to the Petroleum Fuel & Terminal Co. (144.6 AHP) in Angelina, LA, with a tow of eight full gasoline barges. If your vessel is making turns for 7.5 mph with an estimated average current of 1.5 mph, what is your ETA at the dock in Angelina, LA?Not learned 42. The highest point on your towboat is 67 feet above the water, and the Helena Gage reads +22.3 feet. What is the vertical clearance when you pass under the A-span of the Helena Highway Bridge?Not learned 43. Which of the following statements are TRUE?Not learned 44. At 0509, on 26 December, 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 7.5 mph?Not learned 45. What is the distance in river miles, from the new mouth of the White River to the Petroleum Fuel & Terminal Co. (144.6 AHP)?Not learned 46. The Platte River empties into which river?Not learned 47. You are downbound, passing by Warfield Point Lt. (mile 537 AHP), when you observe on your Mississippi River map several black lines extending into the river from the bank. What do these lines indicate?Not learned 48. As you pass under the Vicksburg Bridges, you estimate the current as 3.0 mph. What is the speed over the ground, if your vessel is making turns for 10.5 mph?Not learned 49. As you approach Buckridge Light (mile 412.5 AHP), which type of daymark would you see on the light structure?Not learned 50. As you approach mile 659 (AHP), you notice on the map a dashed line crossing the river at mile 659.9 (AHP). What does this line indicate?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 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 52. What is your ETA at the Memphis Highway Bridge?Not learned 53. What daymark should you see as you approach Parker Landing Light (mile 924.5 AHP)?Not learned 54. You pass Morrison Towhead Light (mile 890.5 AHP) at 1723. What was your average speed since leaving Cairo?Not learned 55. 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 56. The charts show a circle with two black quadrants located at mile 846.0 AHP. What does this indicate?Not learned 57. 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 58. What company does NOT have a marine facility along the riverbank in Helena (mile 658 to 665 AHP)?Not learned 59. 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 60. Which of the following describes the river at Cypress Bend, mile 569.0 AHP?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 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 62. What is the distance to Caruthersville Gage from Cape Girardeau?Not learned 63. Which dayboard would you see on Puntney Light (mile 943.6 AHP)?Not learned 64. What is the distance from the Memphis Gage to Elmwood Marine Services Dock in New Orleans, LA.Not learned 65. 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 66. What is the minimum maintained depth of the channel from Cairo to Baton Rouge during low water?Not learned 67. You see a buoy with red and green bands. What does this buoy indicate?Not learned 68. As you approach Old River Control Structure Light you see a flashing amber light. Which action should you take?Not learned 69. What are the dimensions of the Old River Lock?Not learned 70. 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