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Navigation Notices


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September, 2017


MKARNS Nav Notice SWL 17-50 Updated Sailing Instructions - NM 142-143, Toad Suck Lock & Dam Downstream Approach

MKARNS - Due to shoaling and until further notice, mariners are advised to use caution through the following areas. No passing is advised while transiting through these locations. [Read More]
Published: Sep-29-17

MKARNS Nav Notice SWL 17-49 Trimble Lock & Dam Updated Low Navigation Pool Advisory

MKARNS - Mariners are advised that the Trimble Lock & Dam (No. 13) navigation pool has returned to the required lower pool elevation of 391.0 for normal operations. [Read More]
Published: Sep-29-17

MKARNS Nav Notice SWL 17-48 Trimble Lock & Dam Low Navigation Pool Advisory

MKARNS - Due to extended non-federal power generation early this morning, the Trimble Lock & Dam (No. 13) navigation pool was lowered beyond its normal range. [Read More]
Published: Sep-28-17

MKARNS Nav Notice SWL 17-47 Montgomery Point Lock & Dam-Navigation Pass Scheduled for Closure

MKARNS - Due to falling river elevations, the crest gate dam at Montgomery Point Lock and Dam (NM 0.5) will be in operation and the navigation pass will be closed this morning. [Read More]
Published: Sep-28-17

MKARNS Nav Notice SWL 17-46 Norrell Lock (No. 1) Tow Haulage Back In Service

MKARNS - Tow haulage equipment at Norrell Lock (No. 1) NM 10.3 has been returned to service. [Read More]
Published: Sep-21-17

MKARNS Nav Notice SWL 17-45 Tow Haulage Equipment Out of Service Norrell Lock (No.1)

MKARNS - Tow haulage equipment at Norrell Lock (No. 1) NM 10.3, is out of service. [Read More]
Published: Sep-19-17

MKARNS Nav Notice SWL 17-44 Sailing Instructions - Multiple Locations, NM 142-143, Toad Suck Lock (No.8) Downstream Approach

MKARNS - Due to shoaling and until further notice, mariners are advised to use caution through the following areas. No passing is advised while transiting through these locations. [Read More]
Published: Sep-18-17

MKARNS Nav Notice SWL 17-43 Increased Differentials White River Entrance Channel

MKARNS - This is to advise mariners transiting the White River Entrance Channel (WREC) of increased head differentials between Norrell Lock and Dam and Montgomery Point Lock and Dam. [Read More]
Published: Sep-14-17