Guidance concerning the use of doubler plates for repairs involving towing vessels subject to 46 CFR subchapter M

From: M. EDWARDS, CAPT
COMDT (CG-CVC)

To: Distribution

Subj: GUIDANCE CONCERNING THE USE OF DOUBLER PLATES FOR REPAIRS INVOLVING TOWING VESSELS SUBJECT TO 46 CFR SUBCHAPTER M

Ref:
(a) Title 46, United States Code,   3305
(b) Navigation and Vessel Inspection Circular (NVIC) No. 7-68, Notes on Inspection and Repair of Steel Hulls (Oct. 28, 1968)
(c) Inspection of Towing Vessels (81 FR 40004, June 20, 2016)
(d) National Transportation Safety Board, Marine Accident Brief 19/03, Flooding and Sinking of Towing Vessel Ms Nancy C