Nepleslian starships and vessels, not that far behind in terms of Star Army of Yamatai technology, have only a small fraction of their speeds bested by their Yamataian counterparts. From an out of character standpoint, this is here to simplify conversion to the Starship Speed Standard.
Interstellar vehicles are divided into seven categories:
| Cat | Starship Type | Example Classes | Sublight Engines | Distortion Field | Hyperspace Drive |
|---|---|---|---|---|---|
| 1 | Standard Warships | Primus Battleship , Shaika | .360c | 17812.5c (2 ly/h) | 374,740c (0.70 ly/m) |
| 2 | Star Fortresses | Bulwark Multi-Role Star Base, Cirrus Research Station | N/A | 3442.875c (9.5 ly/h) | 249,830c (0.47 ly/m) |
| 3 | Scouts and Escorts | Na-D2-1a Atlas-Class Destroyer | .370c | 18737.325c (2.13 ly/h) | 424,710c (0.83 ly/m) |
| 4 | Cruisers | Na-C4-1B Blackjack Assault Cruiser, Orca Battlecruiser, H-Ray | .375c | 21,915c (2.5 ly/h) | 525,960c (1 ly/m) |
| 5 | Cargo and Service Ships | Warhorse, Red Hill | .23c | 11875c (1.35 ly/h) | 374,750c (0.70 ly/m) |
| 6 | Shuttles & Fighters | Na-FA4, Na-F/A 02 Hammerhead-Type Strike Bomber | .357c | 4750c (0.54 ly/h) | 249,830c (0.48 ly/m) |
| 7 | Power Armor | Hostile, Aggressor | .365c | 2375c / 2375c (0.27 ly/h) | N/A |