USACOE Mat Sinking Unit-White Castle Anchorage

All mariners are reminded that the U.S. Army Corps of Engineers Mat Sinking Unit (MSU), located at MM 192.7 IVO White Castle Anchorage, will resume working at this location 0600 Monday, January 30, through February 13, 2023. Working hours will be from 0600-1900 daily unless otherwise notified. The MSU will work between 600-900 feet off the RDB and will fold in at night to allow traffic to pass. No Deep Draft traffic is allowed during working hours. All other traffic should exercise extreme caution when transiting the area. A Contact Pilot will be on scene 24/7 onboard the M/V Harrison monitoring VHF-FM CH 67 and 82.


Watch Supervisor
U.S. Coast Guard
Vessel Traffic Service Lower Mississippi River
200 Hendee Street, Suite 300
New Orleans, LA 70114