The DY-700 was a class of ship used by Earth. Among the ships of the class built on Earth included the Alerica.

In 2372, Miles O'Brien initially identified the Alerica as a DY-1100, although Worf saw it was an older DY-700 ship. (DS9 novel: The 34th Rule)

Starship classes of Earth
Arrow • Assist • Cavalry • Christopher • Cosmos • DY-100 • DY-500 • DY-700 • DY-1100-class • Daedalus • Discovery • Doppler (scout) • Edison • Galliant • Hopkins • Horizon • Intrepid (Earth) • J (freighter) • Long • Marshall • Mercury • Messier • Minuteman • NX • Poseidon • Strider • Vanguard (starship) • Verne • Y (freighter) • Yorktown • Zeus