A standard Mark 1 corvette of the Galactic Patrol.
Using the Bergenholm inertialess drive Galactic Patrol vessels can transverse several light years in minutes.
The limiting factor being the resistance of the interstellar medium causing drag on the ship. By streamlining the hull into a teardrop shape and storing it's weapons internally, it's velocity is significantly increased
Very fast, lightly armed and armored.
The Lensmen Series by E.E. Doc Smith