Constitution (class)
- Heavy cruiser
- History
- Initial designs: 2238 (ENT Novel: Last Full Measure)
- Developed from a modification of the Baton Rouge class, using USS Constellation (NCC-1017) as a testbed vessel
- First commissioned: USS Constitution (NCC-1700)
- Launched 2242
- Retirement: By 2300s
- Unnamed unit held in Starfleet Fleet Museum for preservation (TNG: "Relics"; SCE Short Story: "Interphase Book 1")
- Initial designs: 2238 (ENT Novel: Last Full Measure)
- Statistics
- Length: 228.6
- Width: 127.1m
- Height: 72.6m
- Mass: 190,000mt
- Crew:
- 205 (2254) (TOS: "The Cage")
- 430 (2266)
- 431 minimum, 500 recommended (2273) (TOS Novel: Ex Machina)
- Cruising speed: Warp 6 (OS)
- Maximum speed: Warp 8 (OS)
- Auxiliary vessels: Four Class F shuttlecraft
- Armament
- Original design
- 2x type-IX phaser banks
- Upgraded to type-ten phaser banks by 2255 (DIS Novel: Desperate Hours)
- Torpedo launcher, 6x forward, 1x aft
- 2x type-IX phaser banks
- Original design
- Layout
- Original design
- Fourteen science labs (TOS: "Operation: Annihilate!")
- 22 decks
- Saucer spans decks 1 to 8
- Saucer support spans decks 6 to 13
- Engineering hull spans decks 14 to 22
- Deck 1
- Main bridge (TOS)
- Deck 3
- Crewmen's lounge (TOS: "Let That Be Your Last Battlefield")
- Recreation rooms (TOS: "Charlie X", "Let That Be Your Last Battlefield")
- Decks 3 to 5
- Main impulse engines (TOS: "Where No Man Has Gone Before", "The Corbomite Maneuver")
- Auxiliary engineering room located along impulse engines
- Main impulse engines (TOS: "Where No Man Has Gone Before", "The Corbomite Maneuver")
- Deck 4
- Armory (TOS Novel: Errand of Vengeance: The Edge of the Sword)
- 10 decks above Engineering
- Crew quarters (TOS: "The Ultimate Computer")
- Environmental control (TOS: "The Ultimate Computer")
- Furthest fore-end of the ship by "Trials and Tribble-ations"
- Armory (TOS Novel: Errand of Vengeance: The Edge of the Sword)
- Deck 5
- Captain's quarters (TOS: "Mirror, Mirror", "Journey to Babel", "Elaan of Troyius")
- Crew quarters
- Sickbay (TOS: "Amok Time", "Elaan of Troyius")
- Transporter room (TOS: "Let That Be Your Last Battlefield")
- Deck 6
- Briefing room (TOS: "Return to Tomorrow")
- Crew quarters (TOS: "The Ultimate Computer")
- Guest quarters (TOS: "Let That Be Your Last Battlefield")
- Life support (TOS: "Day of the Dove")
- Transporter room (SCE Short Story: "Interphase Book 2")
- Deck 8
- Auxiliary control (TOS: "I, Mudd")
- Deck 7, section 21-Alpha on USS Defiant by "Interphase Book 2"
- Auxiliary control (TOS: "I, Mudd")
- Deck 9
- Crew quarters (TOS: "The Man Trap")
- Life sciences (TOS: "The Man Trap")
- Deck 12
- Crew quarters (TOS: "The Enemy Within")
- Deck 14
- Transporter room (TOS: "Dagger of the Mind")
- Main engineering, upper section (TOS: "Dagger of the Mind")
- Personnel director's office (TOS: "Dagger of the Mind")
- Maintenance airlock (port and starboard) (SCE Short Story: "Interphase Book 2")
- Deck 15
- Main engineering, lower section
- Landing bay
- Deck 20
- Cargo hold (port and starboard) (SCE Short Story: "Interphase Book 1")
- Deck 21
- Lowest habitable level by "Trials and Tribble-ations"
- Deck 22
- Antimatter containment
- Power transfer conduits (ENT: "In a Mirror, Darkly, Part II")
- Satellite bay (TOS: "Operation: Annihilate!")
- Tank release (TOS: "Let That Be Your Last Battlefield")
- 2270s Refit design
- Decks commonly referred to by letter rather than number (e.g., A Deck, B Deck, etc.)
- Deck 1
- Main bridge (Star Trek: The Motion Picture, et al.)
- Deck 3
- Officers' quarters (Star Trek III: The Search for Spock)
- Deck 4
- Admiral's quarters (Star Trek II: The Wrath of Khan)
- Deck 5
- Officers' quarters (Star Trek: The Motion Picture)
- Deck 6-7
- Main gangway (TOS Novel: Ex Machina)
- Deck 13
- Torpedo bay (Star Trek VI: The Undiscovered Country)
- Original design
Known ships
| Name | Registry | Service Begin | Service End |
|---|---|---|---|
| USS Constellation (NCC-1017) | NCC-1017 | 2263 | 2267* |
| USS Constitution (NCC-1700) | NCC-1700 | 2242* | 2267 |
| USS Enterprise (NCC-1701) | NCC-1701 | 2245* | 2285* |
| USS Farragut (NCC-1702) | NCC-1702 | 2247 | 2257* |
| USS Hood (NCC-1703) | NCC-1703 | 2267 | 2268 |
| USS Excalibur (NCC-1705) | NCC-1705 | 2268 | 2268* |
| USS Exeter (NCC-1706) | NCC-1706 | 2267 | 2268* |
| USS Ranger (NCC-1707) | NCC-1707 | 2286 | 2286 |
| USS Intrepid (NCC-1708) | NCC-1708 | 2255 | 2268* |
| USS Lexington (NCC-1709) | NCC-1709 | 2267 | 2268 |
| USS Potemkin (NCC-1711) | NCC-1711 | 2268 | 2293 |
| USS Merrimac (NCC-1715) | NCC-1715 | 2273 | 2273 |
| USS Kongo (NCC-1716) | NCC-1716 | 2248* | 2293 |
| USS Essex (NCC-1727) | NCC-1727 | 2267 | 2267 |
| USS Defiant (NCC-1764) | NCC-1764 | 2268 | 2268* |
| USS Emden (NCC-1856) | NCC-1856 | 2293 | 2293 |
| USS Endeavour (NCC-1895) | NCC-1895 | 2260 | 2293 |
| USS Ahwahnee (NCC-2048) | NCC-2048 | 2293 | 2293 |