US Army Corps of Engineers
Little Rock District Website

Navigation Notices


    Arthur V. Ormond (Lock 9) - Lock 9 has reopened to Navigation traffic.

    Arthur V. Ormond (Lock 9) - Due to a downstream landwall miter gate contact block failure, Lock 9 will be closed until further notice.
  • MKARNS Nav Notice SWL 14-25 Return to Normal Operations Toad Suck Ferry (No. 8)

    TOAD SUCK FERRY L&D - Lockages at Toad Suck Ferry Lock (No. 8) NM 155.9 have returned to normal operation.
  • MKARNS Nav Notice No. SWL 14-24 Lock 08 Longer than Normal Lockage Times

    TOAD SUCK FERRY L&D - Mariners are advised that lockages at Toad Suck Ferry Lock (No. 8) NM 155.9, will require an additional 15 minutes each time the lock level is raised to the upstream water level. One of the two valves that fills the lock to the upstream water level failed, and the additional time reflects use of one valve instead of two. The length of downtime is unknown at this time.
  • MKARNS Nav Notice No. SWL 14-23 Mississippi River Commission Inspection Trip

    MKARNS - The Mississippi River Commission will be conducting an inspection of the MKARNS aboard the M/V Mississippi. The M/V Mississippi is scheduled to enter the MKARNS at the mouth of the White River on August 5th and proceed upstream to the Port of Muskogee (NM 393.8). The downstream trip will commence on August 11th at the Port of Muskogee and proceed downstream and exit the MKARNS on August 14th.
  • MKARNS Nav Notice SWL 14-22 Ferry Traffic Between NM 2.4 and NM 2.6

    MKARNS - Mariners are advised to use caution while transiting NM 2.4 through NM 2.6. Ferry traffic is scheduled to begin the week of July 28 and continue through December. The hours of operation will be 6 a.m. until 6 p.m., Monday through Saturday. Ferry landings will be located at NM 2.4 (right bank) and NM 2.6 (left bank).
  • NAV NOTICE SWL 14-20 MKARNS - Sailing Instructions NM 64.0 - NM 64.4

    MKARNS - Due to shallow pool conditions, mariners are advised that until further notice, both upbound and downbound tows should stay 25 feet away from the red buoys while between NM 64.0 and NM 64.4.
  • MKARNS Nav Notice No. SWL 14-19 Safety Zone for Pops on the River Fireworks Display

    Little Rock - To ensure the safety of life and property during the Pops on the River fireworks display in Little Rock, AR, a safety zone will be established by the Coast Guard for the Arkansas River from mile marker 118.8 to mile marker 119.5. The safety zone will be in effect from 9:00 p.m. to 11:00 p.m. on July 4, 2014.
  • Nav Notice SWL 14-18 MKARNS Restricted Zone Advisory

    MKARNS - A Military Exercise “Restricted Zone” will close the Arkansas River (NM. 290.0 to NM 293.0) to all traffic July 23, 2014 from 4:30 a.m. to 11:30 a.m. The 412th Engineering Command will be conducting a bridge crossing exercise.
  • Nav Notice SWL 14-17 MKARNS Notice of Temporary Suspension of Lock Closures

    MKARNS - The Monday through Thursday recreational vessel lock closures for maintenance at locks 3 - 13 will be temporarily suspended June 23 through June 26, 2014 for the Big Bass Bonanza fishing tournament along the Arkansas section of the Arkansas River. The closures will resume at 10 a.m. on June 30, 2014.