The Intersun Passenger Cruiser is a standard model passenger liner created by the Intersun company. The Olympic Carrier, destroyed in the episode "33" was apparently of this configuration. Several background ships including the Pan Galactic and Sagitarrian Spaceways are of an identical configuration as well.
Other luxury liners in the Fleet, including the Rising Star, Colonial Heavy 798 and Cloud 9 are of other starliner classes.
Dimensions
Length: 825 feet
Width: 130 feet
Height: 75 feet
Note
Although presented in some detail on SciFi.com, the name and background of this ship class are here for descriptive use only. The name "Intersun" is displayed on the side of Colonial Heavy 798 and on its pilot's uniforms but not spoken on screen. No additional information has been provided on any of the ships of this class since the episode, "33."