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Navigation Notices


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2015


MKARNS Nav Notice SWL 15-68 Montgomery Point L&D Emphasis on Draft Depth in the Navigation Pass

Montgomery Point L&D - Mariners were notified in Navigation Notice SWL 14-39 of a plan to raise and exercise the navigation pass crest gates when the tailwater reached elevation 117’ and falling. [Read More]
Published: Oct-09-15

MKARNS Nav Notice SWL 15-67 Montgomery Point L&D Reopened

Montgomery Point L&D - The dewatering operations at Montgomery Point Lock and Dam (NM 0.5) have been completed and the lock will be available for use as water conditions warrant [Read More]
Published: Sep-25-15

MKARNS Nav Notice SWL 15-66 Sailing Instructions NM 46.4 to NM 47.4

MKARNS - Due to shallow pool conditions, mariners are advised that until further notice, both upbound and downbound tows should stay approximately 150 feet away from the red/nun buoys while between NM 46.4 and NM 47.4. [Read More]
Published: Sep-24-15

MKARNS Nav Notice SWL 15-65 Update - Lock 10 Intermittent Delays

Dardanelle L&D (No. 10) - Mariners are advised that intermittent delays may be experienced at Dardanelle Lock and Dam (No. 10) NM 205.5, through October 31, 2015. [Read More]
Published: Sep-24-15

MKARNS Nav Notice SWL 15-64 Update - Lock 10 Extended Period of Intermittent Tow Haulage Availability

Dardanelle L&D (No. 10) - The period of intermittent availability of tow haulage equipment at Dardanelle Lock and Dam (No. 10) NM 205.5 has been extended to October 31, 2015. [Read More]
Published: Sep-24-15

MKARNS Nav Notice SWL 15-63 Lock 07 Reopened

MURRAY L&D - Murray Lock & Dam (No. 7), NM 125.4 will reopen to navigation traffic on September 4, 2015 at 2:30 p.m. It has been closed since August 30, 2015 for scheduled maintenance. [Read More]
Published: Sep-04-15

MKARNS Nav Notice SWL 15-62 WREC Increased Differentials

MKARNS - Mariners transiting the White River Entrance Channel (WREC) are advised of increased head differentials between Norrell Lock and Dam and Montgomery Point Lock and Dam. Mariners are reminded of advised tow restrictions during increased differentials. [Read More]
Published: Sep-03-15

MKARNS Nav Notice SWL 15-61 Caution Advisory at NM 300.4

Ft. Smith/Van Buren, AR - Mariners are advised to use caution at NM 300.4 due to maintenance on the Highway 64-71 Bridge in Ft.Smith/Van Buren. [Read More]
Published: Aug-31-15

MKARNS Nav Notice SWL 15-60 Lock 07 Limited Commercial Lockages During Scheduled Maintenance Closure

Murray L&D (No.7)- The maintenance closure of Murray Lock & Dam (No. 7) is in effect through September 04, 2015. While completing the pre-dewater dive inspection, corrosion of critical safety equipment was discovered that precludes dewatering the lock. The maintenance focus has now shifted to above-waterline critical inspections and repairs. During this closure a very limited number of commercial lockages can be accommodated when maintenance is not underway. Any such lockage requires 24-hour advance notice and coordination with the Lockmaster. [Read More]
Published: Aug-31-15

MKARNS Nav Notice SWL 15-59 Revised Sailing Instructions NM 142.0 to NM 143.2

MKARNS - Due to shallow pool conditions, mariners are advised that until further notice, both upbound and downbound tows should run the center line while between NM 142.0 and NM 143.2. [Read More]
Published: Aug-18-15
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