Gym Class Heroes | class action | class | RAF Coastal Command | coastal defence ship | Class A | working class | DB Class 218 | Coastal Carolina University | Class War | British Rail Class 37 | Social class | British Rail Class 47 | Victorian Railways X class | GWR 3031 Class | coastal artillery | coastal | Class D | British Rail Class 66 | World Class Championship Wrestling | The Life and Death of Colonel Blimp | Saved by the Bell: The New Class | Nimitz-class aircraft carrier | Middle Class Rut | Middle class | middle class | Mercedes-Benz G-Class | Master Class | master class | LNER Class A4 4468 Mallard |
Similar to the Coastal and C-Star classes, the "North Seas" employed a tri-lobe envelope based on the Astra-Torres design principles.