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MKARNS Navigation Notices

Current navigation and sailing notices for the McClellan-Kerr Arkansas River Navigation System

18 Locks & Dams
10 Navigation Pools
445 Miles of Waterway
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David D. Terry L&D MRER

⚠ Important Navigation Information

Mariners: Check notices regularly for current channel conditions, restrictions, and safety information.

For the most up-to-date navigation information, visit the Notices To Navigation Interests (NTNI) website.

Navigation Notices

Results:
Archive: September, 2024
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  • MKARNS Nav Notice No. SWL 24-76 Lock Closure Forecast

    The purpose of this Navigation Notice is to provide forecasted lock closures for the 110-ft Stoplog Conversion projects in 2025. The information below is considered tentative and the closure details could change depending on site conditions, construction means and methods and other variables.

  • MKARNS Nav Notice No. SWL 24-74 Lock 9 Tow Haulage Out of Service

    The tow haulage equipment at Ormond Lock (No. 9) NM 176.9 is currently out of service due to electrical issues. Double cut tows will have to be locked the conventional way (without the use of tow haulage). A follow up notice will be distributed when the tow haulage equipment is back in service.

  • MKARNS Nav Notice No. SWL 24-73 Lock 10 Closure Notice Update

    The partial lock closure for Dardanelle Lock (No. 10) NM 205.5, as stated in Nav Notice SWL 24-56, has been extended and is scheduled to last until November 2nd, 2024, Monday through Saturday each week.

  • MKARNS Nav Notice No. SWL 24-72 USCG Advisory Rob Roy Bridge Closure

    The Rob Roy Railroad Drawbridge will be closed to navigation from 6 a.m. through 1 p.m. on September 17, 2024. The closure is to allow crews to perform signal cutovers.

Navigation Notices Archive