The Portsmith-class was a type of Federation starship entering service in the mid-23rd century, classified as a destroyer or escort vessel. (TOS reference: Spaceflight Chronology)
Service Life[]
The Portsmith-class was first commissioned in 2194 SFC (which corresponds to the early 2250s in the standard timeline), and remained in service at least through the 2270s (likely longer, in some capacity).
| Starship classes of the Spaceflight Chronology | ||||||||||||||||||||||||||||||||||||||||||||||
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| United Nations, United Earth | Assist-class • Aventeur-class • Belmont-class • Cochrane-class • Columbus-class • Companion-class • Cosmos-class • DY-500-class • Edison-class • Franklin-class • Galileo-class • Gallant-class • Glenn-class • Horizon-class • Keller-class • Liberty-class • Lindbergh-class • Long-class • Magellan-class • Merchant-class • Messier-class • Monticello-class • Parr-class • Saratoga-class • Wheeler-class • Vanguard-class • Verne-class |  
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| Federation, Starfleet | Advance-class • Baton Rouge-class • Bode-class • Bradley-class • Broadway-class • Byrne-class • Cabot-class • Calvary-class • Canopus-class • Castor-class • Clark-class • Constitution-class • Chariot-class • Declaration-class • Doppler-class • Eagle-class • Hale-class • Hopkins-class • Hunter-class • Libran-class • Lowell-class • Mann-class • Marshall-class • Master-class • Mercury-class • McCormick-class • Messier-class • Newton-class • Normandy-class • Palomar-class • Pointer-class • Portsmith-class • Powers-class • Placido-class • Provider-class • Rickenbacker-class • Sawyer-class • Stellarford-class • Tritium-class • University-class • Voyager-class • Watt-class |  
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External Links[]
- Vintage Starships contains an entry on the Portsmith-class, including a rough 3-D model based on its SFC illustration. (Additional details and stats on the site are fan-created, and so are not suitable for inclusion here.)