MKARNS Nav Notice SWL 21-22 Locks 13 and 9 Intermittent Delays Update

Little Rock District Operations Technical Support Branch
Published June 15, 2021
Navigation Notice

Navigation Notice

The work at James W. Trimble Lock (NM 292.8) (noted in Nav Notice SWL 21-18) is complete and normal operations have resumed.

Mariners are advised that intermittent delays may be experienced, from 6 a.m. to 6:30 p.m. daily, June 16 through June 19 at Arthur V. Ormond Lock (No. 9) NM 176.9.  Crews will be performing a lock inspection and maintenance during this time.  The work is expected to be completed as scheduled; however, unforeseen issues could require additional time.

Questions or requests for additional information concerning this notice should be directed to the Little Rock District Office, at (501) 324-5096 or you may email


Christopher B. Roark

Chief, Operations Division

Little Rock District Operations Technical Support Branch

Release no. 21-056