The Tiberius-class starship was a type of Federation midrange frigate created by Starfleet in the late 24th and 25th centuries. Twenty-three of these were built, The vessels measured 13 decks in height, 642 meters in length, had a maximum cruising speed of warp 9.9 and were armed with torpedo launchers and phaser emitters. (Star Trek: Distant Horizons)