Q403 - 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 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 2. As you pass under the Baton Rouge R.R. and Hwy 190 Bridge C233.9 AHP), you find that the Kinder Morgan Bulk Terminals are indicated by which numbered box?Not learned 3. 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 4. 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 5. 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 6. In high water conditions, which publication would you consult for the latest information on buoys between Baton Rouge and Cairo?Not learned 7. As you approach Buckridge Light (mile 412.5 AHP), which type of daymark would you see on the light structure?Not learned 8. At 1019, on 10 March, you pass under the Greenville Bridge (mile 531.3 AHP). What was your average speed since departing River Cement Co. Dock?Not learned 9. 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 10. On which river is New Providence, TN located?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 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 12. As you pass under the Baton Rouge R.R. and Hwy 190 Bridge C233.9 AHP), you find that the Kinder Morgan Bulk Terminals are indicated by which numbered box?Not learned 13. 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 14. 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 15. 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 16. In high water conditions, which publication would you consult for the latest information on buoys between Baton Rouge and Cairo?Not learned 17. As you approach Buckridge Light (mile 412.5 AHP), which type of daymark would you see on the light structure?Not learned 18. At 1019, on 10 March, you pass under the Greenville Bridge (mile 531.3 AHP). What was your average speed since departing River Cement Co. Dock?Not learned 19. 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 20. On which river is New Providence, TN located?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 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 42. As you pass under the Baton Rouge R.R. and Hwy 190 Bridge C233.9 AHP), you find that the Kinder Morgan Bulk Terminals are indicated by which numbered box?Not learned 43. 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 44. 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 45. 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 46. In high water conditions, which publication would you consult for the latest information on buoys between Baton Rouge and Cairo?Not learned 47. As you approach Buckridge Light (mile 412.5 AHP), which type of daymark would you see on the light structure?Not learned 48. At 1019, on 10 March, you pass under the Greenville Bridge (mile 531.3 AHP). What was your average speed since departing River Cement Co. Dock?Not learned 49. 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 50. On which river is New Providence, TN located?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 the 10th of May at 1130, you leave the fleeting area at Gartness Lt mile 227.8 (AHP) bound for the Monsanto Terminal in St. Louis mile 178.0 (UMR). Your engines turn for 8.5 mph in still water. What is the length of the trip?Not learned 52. You estimate the current as 2.5 mph. What is the speed over the ground?Not learned 53. As you approach 265 (AHP) you notice on the map a circle with 2 black sectors. What does this symbol indicate?Not learned 54. From Baton Rouge to Cairo, what is the maintained minimum channel depth during low water?Not learned 55. On which map would you find Redman Point, Arkansas?Not learned 56. At 1000, on May 11th, you are passing George Prince Lt. mile 364.1 (AHP) in Natchez, Mississippi and must send an ETA to the terminal in St. Louis mile 178.0 (UMR). Your engines are still turning for 8.5 mph, and you estimate the current at 2.5 mph. What will be your arrival time at the terminal in St. Louis?Not learned 57. As you approach Ashland Light mile 378.1 (AHP) which daymark would you see?Not learned 58. What is your clearance as you pass under the Vicksburg Highway 80 Bridge mile 437.8 (AHP) if the Vicksburg Gage reads 14.8 feet and the highest point on your tow boat is 44.5 feet?Not learned 59. What is the horizontal width of the main channel span of the Vicksburg Bridge Interstate 20 at mile 437.7 (AHP)?Not learned 60. At Filter Point Light mile 475 (AHP) there are 3 close straight dashed lines on the map passing through the black dot below the number 475. What do these lines represent?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 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 62. You estimate the current at 3.0 mph. What is the speed over the ground?Not learned 63. What is the Federal Project Depth of the channel from Baton Rouge to New Orleans, LA?Not learned 64. 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 65. 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 66. What are the color and shape of Togo Island daymark at mile 414.6 AHP?Not learned 67. 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 68. Which of the following statements regarding aids to navigation shown in the Corps. of Engineers map book is TRUE?Not learned 69. The Delta-Friar Point revetment on the LMR extends from mile __________.Not learned 70. What is the distance from Baton Rouge, LA, to St. Louis, MO, on the Mississippi River System?Not learned