• Homepage
»
• Master & Mate (Rivers (Limited Tonnage: Less Than 200 GRT))
»
• Q398 - Navigation Problems: Chart Plot

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 0815, on the 16 of April, you depart the Exxon Refinery Docks (mile 232 AHP) bound for the fleeting area at Sycamore Chute Light (740.3 AHP). The horizontal clearance of the center span on the Baton Rouge RR and Highway 190 Bridge is __________.