Q393 - 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 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 2. 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 3. Which of the following statements are TRUE?Not learned 4. 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 5. 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 6. What is the white/black within a circle symbol found at mile 592.1 AHP?Not learned 7. What facility is not found near La Grange Towhead Light (538.2 AHP) on Greenville Harbour?Not learned 8. 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 9. As you approach Buckridge Light (mile 412.5 AHP), which type of daymark would you see on the light structure?Not learned 10. What is NOT true about the yellow square at mile 227.3 AHP?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 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 12. What is your ETA at the Memphis Highway Bridge?Not learned 13. What daymark should you see as you approach Parker Landing Light (mile 924.5 AHP)?Not learned 14. You pass Morrison Towhead Light (mile 890.5 AHP) at 1723. What was your average speed since leaving Cairo?Not learned 15. 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 16. The charts show a circle with two black quadrants located at mile 846.0 AHP. What does this indicate?Not learned 17. 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 18. What company does NOT have a marine facility along the riverbank in Helena (mile 658 to 665 AHP)?Not learned 19. 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 20. Which of the following describes the river at Cypress Bend, mile 569.0 AHP?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 1707, on 23 May, you get underway from mile 234.2 (AHP) enroute to Louisville, KY. mile 612.6 (OHR). What is the length of the trip?Not learned 32. After you get underway, what is the first river gage you will pass?Not learned 33. On the Western Rivers, what do diamond shaped crossing dayboards indicate?Not learned 34. At 0922, on 24 May, you are abreast the St. Catherine Bar Lt. mile 348.6 (AHP). If you are turning for 8.0 mph, what is the current?Not learned 35. What daymark will you see as you approach Warnicott Bar Lt. mile 351.3 (AHP)?Not learned 36. You pass Warnicott Bar Lt. at 1146, 24 May. What is your ETA off the Greenville Gage if you average 6.5 mph?Not learned 37. What town is located at mile 389.8 (AHP)?Not learned 38. What does the circle with black and white quadrants located at mile 435.6 (AHP) on the left descending bank represent?Not learned 39. The Greenville Gage reads 10.6 feet. The high point of your towboat is 54 feet above water. What is the vertical clearance as you pass under the Greenville Highway Bridge?Not learned 40. Where can the locations of locks and dams be found?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 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 42. What is your ETA at the Memphis Highway Bridge?Not learned 43. What daymark should you see as you approach Parker Landing Light (mile 924.5 AHP)?Not learned 44. You pass Morrison Towhead Light (mile 890.5 AHP) at 1723. What was your average speed since leaving Cairo?Not learned 45. 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 46. The charts show a circle with two black quadrants located at mile 846.0 AHP. What does this indicate?Not learned 47. 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 48. What company does NOT have a marine facility along the riverbank in Helena (mile 658 to 665 AHP)?Not learned 49. 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 50. Which of the following describes the river at Cypress Bend, mile 569.0 AHP?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 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 52. What is the distance to Caruthersville Gage from Cape Girardeau?Not learned 53. Which dayboard would you see on Puntney Light (mile 943.6 AHP)?Not learned 54. What is the distance from the Memphis Gage to Elmwood Marine Services Dock in New Orleans, LA.Not learned 55. 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 56. What is the minimum maintained depth of the channel from Cairo to Baton Rouge during low water?Not learned 57. You see a buoy with red and green bands. What does this buoy indicate?Not learned 58. As you approach Old River Control Structure Light you see a flashing amber light. Which action should you take?Not learned 59. What are the dimensions of the Old River Lock?Not learned 60. 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 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 0825 on 08 March, you get underway from the docks at mile 173.0 (AHP), enroute to the docks at mile 179.0 (UMR) in St. Louis, MO, with a tow of eight barges carrying cement. What is the distance from the River Cement Co. Dock to the mouth of the Ohio River?Not learned 62. You are approaching the Baton Rouge R.R. and Hwy 190 Bridge mile 233.9 (AHP). What is the horizontal clearance of the channel span?Not learned 63. You are turning for 9 mph, approaching Fort Adams Lt. (mile 311.4 AHP) and it is reported that the current at Knox Landing is estimated at 4.5 MPH. Which of the following statements is TRUE?Not learned 64. At 0715, on March 9, you pass Knox Landing Gage at mile 313.8 (AHP) and estimate the current will average 3.5 mph for the remainder of the time on the Mississippi River. What is your ETA at the mouth of the Ohio River if you increase speed to turn for 10 mph?Not learned 65. What is the vertical clearance between the highest point of your towboat, if it is 45 feet above the water, and if the Natchez Gage reads 23.4 feet when passing under the Natchez-Vidalia Westbound Highway Bridge?Not learned 66. In high water conditions, which publication would you consult for the latest information on buoys between Baton Rouge and Cairo?Not learned 67. As you approach Buckridge Light (mile 412.5 AHP), which type of daymark would you see on the light structure?Not learned 68. At 1019, on 10 March, you pass under the Greenville Bridge mile 531.3 (AHP). What was your average speed since departing the docks at mile 173.0 (AHP)?Not learned 69. 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 70. On which river is New Providence, TN located?Not learned