Obstructed valve led to partial sinking of towing vessel near New Orleans, NTSB report reveals

The towing vessel Joanne Marie listing on the morning of June 25, 2023

An obstructed check valve on a bilge pump led to the flooding and partial sinking of a towing vessel​ last year while moored at a shipyard near New Orleans, Louisiana, the National Transportation Safety Board (NTSB) said earlier this week. The towing vessel Joanne Marie was found partially...

https://www.bairdmaritime.com/work-boat-world/tug-and-salvage-world/harbour-tugs-and-operation/obstructed-valve-led-to-partial-sinking-of-towing-vessel-near-new-orleans-ntsb-report-reveals/

NTSB reports on an expensive partial sinking of a moored towboat

Even a partial sinking can be expensive and the National Transportation Safety Board has just released its report on one that brought a nearly $178,000 repair bill.

According to the NTSB, an obstructed check valve on a bilge pump led to the flooding and partial sinking of a 1979-built Marquette Transportation towing vessel​ Joanne Marie while moored at the Bollinger Quick Repair Shipyard on the Harvey Canal near New Orleans, in June last year.

The 65-foot-long Joanne Marie was found partially...

https://www.marinelog.com/inland-coastal/ntsb-reports-on-an-expensive-partial-sinking-of-a-moored-towboat/