MKARNS Nav Notice SWL 20-67 Lock 9 Tow Haulage

Published Oct. 30, 2020
Navigation Notice

Navigation Notice

Tow haulage at Arthur V. Ormond Lock (No. 9) NM 176.9 will not be available from 8 a.m. on Nov 2 to 5 p.m. on Nov 4.  The cables on the tow haulage unit will be replaced during this time.  Double cut tows will have to be locked the conventional way (without the use of tow haulage).  If the work is completed ahead of schedule, the lock will reopen at that time.   However, unforeseen problems could require additional time.  Mariners are asked to contact the lock operators via radio on Channel 16 prior to arrival.


Questions or requests for additional information concerning this notice should be directed to the Little Rock District Office, at (501) 324-5739 or you may email



Mike Biggs, P.E., PMP

Chief (Acting), Operations Division

Little Rock District Operations Technical Support Branch

Release no. 20-134