I can’t find any Norwegian link, other than that several of their ships are second hand Norwegian vessels. The Atlantic Oceanic Group appears to originate from UK, with a branch in USA: https://atlanticoceanic.com/
As for the Atlantic Spirit, this vessel is owned and managed by the UK branch. She will be on charter to a US company, initially operating in the Far East:
But if Atlantic Oceanic LLC had been owned by Norwegian interests, what is wrong with that?
Several American entities own companies in Norway, incl. in the Offshore Oil & Gas industries
Tidewater is now the largest owner of Norwegian OSVs:
HAPPY AND A LITTLE NERVOUS: Tidewater CEO Quintin Kneen strengthens his position in the North Sea, but borrows money for the first time in a long time to take care of Solstad Offshore’s PSV fleet. PHOTO: EIVIND YGGESETH
Tidewater has been doing business in Norway for several decades and owned Norwegian registered vessels through ownership of several Norwegian companies.
Here is the Facebook page for Tidewater Marine A.S., Sandnes:
“Almirante Maximiano” at berth in Rio de Janeiro on Friday. Originally built as an American supply ship in 1974, then converted to a trawler at Aukra Verft before now a support ship for the Brazilian Antarctic Program.
Photo & text: Refvik via NSF
Built as tug/supply ship Theriot Offshore 1 in 1974
1977 SCOTOIL 1
1977 MAUREEN SEA
1988 rebuilt as fishing vessel.
1988 AMERICAN EMPRESS
2000 NAERABERG
2004 converted into a pipe-layer.
2008 OCEAN EMPRESS
2009 ALMIRANTE MAXIMIANO
Here is one that had the hull was built at VT Halter Marine, Pensacola and completed at Moss Pt. in 1981 as OSV Marsea Sixteen.
She has had many owners, names and functions in her 43 year long and varied existence:
Seen here under Norwegian flag as the Polar Sirkel: