Name	Operator	Gross tonnage	Status	Ratio
checkbox	Ships	Operators	Statut	Capacity	Ratio	GT	Year Built
National Geographic Resolution	National Geographic-Lindblad	Active	128	4.0	12,786	2021
Otto Sverdrup	Hurtigruten	Active	526	4.0	15,690	2002
National Geographic Explorer	National Geographic-Lindblad	Active	148	4.0	6,471	1982