Superluminal engine class

The superluminal engine class was a scale denoting the average speed that FTL drives could reach.

Classes
Class 0 (slower than light) - 0.5+ c

Class 1 - 1+ c

Class 2 - 8+ c

Class 3 - 40+ c

Class 4 - 200+ c

Class 5 - 1000+ c (1 kc)

Class 6 - 5000+ c

Class 7 - 25 000+ c