Constitution class deck configuration
The decks of an original-configuration Constitution class Federation starship:
Original configuration
- Deck 2
- Guest quarters (TOS: "The Enterprise Incident")
- Deck 3
- Recreation room 6 (TOS: "Charlie X")
- Deck 4
- Enviornmental control (TOS: "The Ultimate Computer")
- Crew quarters (TOS: "The Ultimate Computer")
- Deck 5
- Sickbay (TOS: "Amok Time")
- Captain's quarters (TOS: "Mirror, Mirror", "Journey to Babel", "Elaan of Troyius")
- Recreation room 3 (TOS: "Let That Be Your Last Battlefield")
- Crewmen's lounge (TOS: "Let That Be Your Last Battlefield")
- Officer's quarters (Star Trek: The Motion Picture)
- Deck 6
- Briefing room (TOS: "Return to Tomorrow")
- Crew quarters (TOS: "The Ultimate Computer")
- Guest quarters (TOS: "Let That Be Your Last Battlefield")
- Deck 9
- Briefing room (ENT: "In a Mirror, Darkly, Part II")
- Deck 12
- Crew quarters
- 3C 46: Janice Rand (TOS: "The Enemy Within")
- 3F 121: James T. Kirk (TOS: "The Conscience of the King", "The Enemy Within")
- Crew quarters
- Deck 13
- Torpedo bay (Star Trek VI: The Undiscovered Country)
- Deck 14
- Engineering support (TOS: "Dagger of the Mind")
Background
The following deck layout comes exclusively from the Star Trek Encyclopedia, by Michael Okuda and Denise Okuda. While the Encyclopedia itself is not canon, it is a Memory Alpha permitted resource.
| Deck # |
Major features (original configuration) |
Deck # |
Major features (refit configuration) |
|---|---|---|---|
| 1 | Bridge | 1 | Bridge |
| 2 | Science labs | 2 | Science labs |
| 3 | Science labs, life support | 3 | Science labs, environmental support |
| 4 | Crew quarters | 4 | Crew quarters |
| 5 | Crew quarters, including Captain's quarters | 5 | Crew quarters, including Captain's quarters |
| 6 | Crew quarters | 6 | Crew quarters |
| 7 | Sickbay, transporter room, briefing room, computer core, impulse engines | 7 | Sickbay, transporter room, computer core |
| 8 | Food preparation, recreation deck, ship's laundry, life support | 8 | Food preparation, recreation deck, ship's laundry |
| 9 | Freight and cargo | 9 | Freight and cargo |
| 10 | Freight and cargo | 10 | Freight and cargo |
| 11 | Phaser controls | 11 | Phaser controls |
| 12 | Interial dampening system, observation deck | 12 | Interial dampening system, observation deck |
| 13 | Observation deck, dorsal interconnects | 13 | Photon torpedo launcher |
| 14 | Engineering support, water storage | 14 | Engineering support, water storage |
| 15 | Deuterium fuel storage | 15 | Warp drive reaction upper core injectors |
| 16 | Deuterium fuel storage | 16 | Deuterium fuel storage |
| 17 | Crew quarters | 17 | Deuterium fuel storage |
| 18 | Power distribution subsystems | 18 | Main power transformers, sensor subsystems, deflector subsystems |
| 19 | Main Engineering, Hangar deck | 19 | Main Engineering, shuttlebay, navigational deflector, long range sensors |
| 20 | Shuttlecraft maintenance | 20 | Shuttlecraft maintenance, cargo bays 13-18 |
| 21 | Life support systems, cargo bays | 21 | Environmental systems, cargo bays 19-20 |
| 22 | Cargo bays | 22 | Botanical section, security confinement |
| 23 | Antimatter storage pod | 23 | Tractor beam emitter, antimatter storage pod |