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  • MKARNS Nav Notice No. SWL 25-17 Lock 2 Tow Haulage Return to Service

    The tow haulage equipment at Lock No. 2 (NM 13.3) has been repaired and returned to service.

  • MKARNS Annual Navigation Notice No. 1-2025

    As a result of partnering efforts with navigation stakeholders, the attached consolidated Notice to Navigation Interests has been prepared for the McClellan-Kerr Arkansas River Navigation System (MKARNS). The intent is to provide consistency by reviewing and informing current district regulations with a joint notice that will be updated annually. The notice is applicable to the Little Rock (SWL) and Tulsa (SWT) Districts.

  • MKARNS Nav Notice No. SWL 24-61 Lock 10 Closure Update

    The partial lock closure for Dardanelle Lock (No. 10) NM 205.5, as stated in Nav Notice SWL 24-56, is currently in effect and scheduled to last until September 30th, 2024, Monday through Saturday each week.

  • MKARNS Nav Notice No. SWL 24-60 Lock 12 Closure

    Mariners are advised that Ozark-Jeta Taylor Lock (No. 12) NM 256.8 will be closed to traffic beginning at 8:00 a.m. until 3:00 p.m. on August 21, 2024. The lock closure is required to facilitate ongoing work on the hydraulic system.

  • MKARNS Nav Notice No. SWL 24-37 Lock 2 Tow Haulage Return to Service

    TOW HAULAGE RETURN TO SERVICE LOCK No. 2 (NM 13.3) MCCLELLAN-KERR ARKANSAS RIVER NAVIGATION SYSTEM