NVIC 11-84: U.S. flag vessels built in foreign shipyards
Last reviewed: October 14, 2026
NVIC 11-84 is Coast Guard guidance on new construction or major modification of U.S. flag vessels in foreign shipyards. It says these vessels must comply with equivalent requirements for design, materials, equipment, plan review and inspection. It supersedes COMDT Information Bulletin 5941/24 dated 5 November 1973.
Applies toThis guidance applies to U.S. flag vessels (excluding passenger vessels) being constructed or undergoing major modification in foreign shipyards.
What it says
The purpose of this Circular is to establish guidelines for construction or major modification of U.S. flag vessels in foreign shipyards.
“The purpose of this Circular is to establish guidelines for construction or major”
This Circular and the enclosed guide supersede COMDT Information Bulletin 5941/24 dated 5 November 1973.
“This Circular and the enclosed guide supersede the information”
The guidance applies to U.S. flag vessels, excluding passenger vessels, being constructed or undergoing major modification in foreign shipyards.
“This guidance applies to U.S. flag vessels (excluding passenger vessels) being constructed or undergoing major modification in foreign shipyards.”
This Circular should be used with NVIC 10-81 when an existing vessel to which that Circular applies is undergoing work overseas and portions of the vessel are being altered or added.
“This Circular should be used in conjunction with NVIC 10-81”
Vessels built or majorly modified in foreign shipyards for U.S. registry must comply with equivalent requirements for design, materials, equipment, plan review and inspection.
“it is mandatory that they comply with equivalent requirements for design, materials, equipment, plan review and inspection.”
Coast Guard personnel, persons acting for the Coast Guard, shipbuilders, ship designers, and operators should consider the information and policies in enclosure (1).
“should consider the information and policies presented in enclosure (1) when involved in the new construction or major modification of”
Common questions
Does NVIC 11-84 apply to passenger vessels?
No. The guidance applies to U.S. flag vessels excluding passenger vessels.
“This guidance applies to U.S. flag vessels (excluding passenger vessels) being constructed or undergoing major modification in foreign shipyards.”
What must U.S. flag vessels built in foreign shipyards comply with?
The text says it is mandatory that they comply with equivalent requirements for design, materials, equipment, plan review and inspection.
“it is mandatory that they comply with equivalent requirements for design, materials, equipment, plan review and inspection.”
What does NVIC 11-84 replace?
It supersedes COMDT Information Bulletin 5941/24 dated 5 November 1973.
“This Circular supersedes the information of COMDT Information Bulletin 5941/24 dated 5 November 1973,”
The text of NVIC 11-84
U.S. Coast Guard, NVIC 11-84 (main body; enclosures not shown)
Guidelines for New Construction or Major Modification of U.S. Flag Vessels in Foreign Shipyards
NVIC 11-84 20 DEC 1984 NAVIGATION AND VESSEL INSPECTION CIRCULAR NO. 11-84 Electronic Version for Distribution Via the World Wide Web Subj: Guidelines for New Construction or Major Modification of U.S. Flag Vessels in Foreign Shipyards
Guidelines for New Construction or Major Modification of U.S. Flag Vessels in Foreign Shipyards — PURPOSE. The purpose of this Circular is to establish guidelines for construction or major
modification of U.S. flag vessels in foreign shipyards.
Guidelines for New Construction or Major Modification of U.S. Flag Vessels in Foreign Shipyards — DIRECTIVE AFFECTED. This Circular and the enclosed guide supersede the information
previously issued in COMDT Information Bulletin 5941/24 dated 5 November 1973, entitled "Information Regarding Foreign Construction of Vessels for United States Registry."
Guidelines for New Construction or Major Modification of U.S. Flag Vessels in Foreign Shipyards — APPLICATION. This guidance applies to U.S. flag vessels (excluding passenger vessels) being
constructed or undergoing major modification in foreign shipyards. This Circular should be used in conjunction with NVIC 10-81 "Coast Guard Certification and Inspection of Certain Categories of Existing Vessels," when an existing vessel to which that Circular applies is undergoing work overseas, and portions of the vessel are being altered or added.
Guidelines for New Construction or Major Modification of U.S. Flag Vessels in Foreign Shipyards — DISCUSSION. In order to ensure that vessels constructed or under-going major modification for
U.S. registry in foreign shipyards meet the same standards of safety as vessels in the United States, it is mandatory that they comply with equivalent requirements for design, materials, equipment, plan review and inspection. This Circular supersedes the information of COMDT Information Bulletin 5941/24 dated 5 November 1973, and gives current Coast Guard policies concerning work on U.S. flag vessels.
Guidelines for New Construction or Major Modification of U.S. Flag Vessels in Foreign Shipyards — ACTION. Coast Guard marine inspection and technical personnel, persons acting on behalf of the
Coast Guard, shipbuilders, ship designers, and operators should consider the information and policies presented in enclosure (1) when involved in the new construction or major modification of U.S. flag vessels in foreign shipyards. End: (1) Guidelines for New Construction or Major Modification of U.S. Flag Vessels in Foreign Shipyards NAVIGATION AND VESSEL INSPECTION CIRCULAR NO. 11-84 Non-Standard Distribution: C:e Baltimore (45); Alameda (40); Port Arthur, Honolulu, Puget Sound (35); Miami, Mobile, Long Beach (25); Norfolk, Jacksonville, Portland OR (20); Boston, Portland ME, Charleston, Anchorage (15); Cleveland (12); Cincinnati, Louisville, Memphis, Nashville, Paducah, Pittsburgh, St. Louis, Savannah, San Juan, Tampa, Galveston, Buffalo, Chicago, Detroit Duluth, Milwaukee, San Diego, Juneau, Valdez (10); Providence, Huntington, Wilmington, Corpus Christi, Toledo (5). C:m New Orleans (140); New York (70); Philadelphia (35); Houston (25); St. Ignace (5); Sturgeon Bay (4). D:l CG Liaison Officer MILSEALIFTCOMD M-65 STRAT MOB, CG Liaison Officer JUSMAGPHIL (1) ZTC-68
Sections it refers to
The plain-English explanation on this page was written with AI from the regulation text above and checked automatically before publishing: every quote appears in the text, every number comes from it, and a second model confirmed each statement adds nothing the text doesn't say. The regulation text governs. RegKnot is not affiliated with the U.S. Coast Guard.