This portion of the Fourth Standard Fleet Coordinates with the Yamatai Star Empire Department of Colonization for any colonization activity within the 4SF sphere of influence.
| Ship Name | Ship IRN | Ship Class | Commander | Status/Remarks |
|---|---|---|---|---|
| YSS Aichi | NL-4S-202 | Hummingbird-class Colony Ship | - Taii | Active |
| YSS Fukui | NL-4S-204 | Ayame Layer-class Logistics Ship | - Taii | Active |
| YSS Fukuoka | NL-4S-205 | Ayame Layer-class Logistics Ship | <TBD> | Active |
| YSS Hyōgo | NL-4S-206 | Ayame Layer-class Logistics Ship | <TBD> | Active |
| YSS Ibaraki | NL-4S-207 | Ayame Layer-class Logistics Ship | <TBD> | Active |
| YSS Iwate | NL-4S-208 | Ayame Layer-class Logistics Ship | <TBD> | Active |
| YSS Kyoto | NL-4S-209 | Ayame Layer-class Logistics Ship | <TBD> | Active |