From Outscape Wiki
(A) small ship class technologically superior to scout ships but costlier. Suited to intelligence gathering and can be equipped with cloaking technology and minefield detection. Limited combat performance and high cost make it a risky choice for battle. In-Game Description
Corvette-class hulls can be unlocked reasonably early on. Hulls of this type can be configured as advanced scouts, cloaked raiders or electronic warfare ships. Their data are summarised on the Corvette page.