US Army Corps of Engineers
Little Rock District Website Website

MKARNS Nav Notice SWL 20-32 Dredging & Sailing Instruction Update NM 49.9, NM 86

Published May 21, 2020
Navigation Notice

Navigation Notice

Dredging at NM 49.9(noted in SWL 20-24) is complete and the sailing instruction (noted in SWL 19-60) is lifted.

Dredging at NM 86, the downstream approach to Colonel Charles D. Maynard Lock (No. 5), will begin when flows recede.  When dredging begins, mariners are advised to contact the Dredge Venture on Channel 10 or 16 prior to arrival to ensure safe transit through the area.

Questions or requests for additional information concerning this notice should be directed to the Little Rock District Office, at (501) 324-5739 or you may email


Christopher B. Roark

Deputy Chief, Operations Division

Little Rock District Operations Technical Support Branch

Release no. 20-059