Robot ship
A robot ship was a type of automated starship.

 referred to the Romulan drone ship as a "robot ship" when he was considering why it needed a bridge. ()

During the mid-23rd century, the Federation often utilized robot ships for tasked that required minimal monitoring.  vessels were often deployed as automated freighters during the 2260s. (; )

During the 's encounter with the Kelvans in 2268, it was recommended that a robot ship could be sent to Kelva with the Federation's proposal to allow them to establish a colony. ()

See also 
 Cargo drone
 Section 31 drone ship

Spacecraft classifications