Section 23A — memory alpha

The decks of a Galaxy-class Federation starship.

See: Deck

Master systems display of the Galaxy-class USS Enterprise-D — Master systems display of the *Galaxy*-class USS *Enterprise*-D

Deck 1
- Bridge (TNG: "Encounter at Farpoint" et al.)
- Captain's ready room (TNG: "Encounter at Farpoint" et al.)
- Observation lounge (TNG: "Encounter at Farpoint" et al.)
- Emergency turbolift (TNG: "Encounter at Farpoint", "Starship Mine")
- Sections 9K to 12T (TNG: "Brothers")
- Turbolift 2 (TNG: "Brothers")
- Turbolift 3 (TNG: "Brothers")
- Turbolift 4 (TNG: "Brothers")

Deck 2
- Sickbay, 2364 (TNG: "Encounter at Farpoint")

Deck 3
- Executive Dining room (TNG: "Violations")
- Room 3627: Guest Quarters (TNG: "The Perfect Mate")

Deck 4
- Main shuttlebay (TNG: "Cause And Effect")
- Cargo bays (TNG: "Schisms")
  - Cargo Bay 1 (TNG: "Code of Honor")
  - Cargo Bay 3 (TNG: "Datalore")
  - Cargo Bay 4 (TNG: "Schisms")
  - Cargo Bay 6 (TNG: "Hide And Q")
  - Room 2740: Cargo Hold 7 (TNG: "Up The Long Ladder")
  - Cargo bay transporters (TNG: "11001001")
- Ship's stores (TNG: "The Naked Now", "Datalore")
- Room 3012: Holodeck (TNG: "Skin Of Evil")
- Section 8: Ro Laren's quarters (TNG: "Preemptive Strike")

Deck 5
- Interrogation/Detention Area (TNG: "Manhunt")

Deck 6
- Transporter Room 2 (TNG: "Man Of The People")
- Room 1053 (TNG: "The Neutral Zone")
- Section 8-J
  - Room 1654: Transporter Room 1 (TNG: "Brothers")
- Room 1853: (TNG: "We'll Always Have Paris")
- Room 2054: Transporter Room 3 (TNG: "Where No One Has Gone Before", "The Game")
- Turbolift 11 (TNG: "11001001")
- Section 23 (TNG: "The Game")
- Section 25 (TNG: "The Game")
- Section 29 (TNG: "The Game")

Deck 7
- Cabin 0735: Captain Edward Jellico's quarters, 2369 (TNG: "Chain Of Command, Part I")
- Section 4: Guest quarters (TNG: "True Q")
- Guest quarters (TNG: "The Perfect Mate")
- Crew quarters (TNG: "The Outrageous Okona")
- Section 23 (TNG: "The Game")
- Section 25-Baker: Worf's quarters (TNG: "Rightful Heir")

Deck 8
- Unfinished multipurpose deck (TNG: "Liaisons")
- Room 0142: VIP quarters (TNG: "Reunion")
- Room 0522: Lieutenant Jenna D'Sora quarters (TNG: "In Theory")
- Room 0910: Counselor Troi quarters (TNG: "Genesis")
- Room 0912: Commander Riker quarters (TNG: "The Best of Both Worlds", "Future Imperfect", "Schisms", "Chain Of Command, Part II")
- Room 1402: Guest accommodations (TNG: "Hero Worship")
- Room 3402: Counselor's office (TNG: "The Price")
- Room 3601: Captain's quarters (TNG: "Night Terrors", "Gambit, Part II")
- Battle bridge (TNG: "Encounter at Farpoint", "The Arsenal of Freedom")
- Emergency turbolift (TNG: "Encounter at Farpoint")
- Crew quarters (TNG: "The Outrageous Okona", "The Bonding")
- Guest quarters (TNG: "Half a Life")

Deck 9
- Section 4: Guest quarters (TNG: "Bloodlines")
- Section 17: Crew quarters (TNG: "Schisms")
- Section 19: Crew quarters (TNG: "Schisms")
- Section 28: Dr. Crusher's quaters (TNG: "Cause And Effect")
- VIP quarters (TNG: "Man Of The People")
  - Room 0910: Guest quarters, 2365 (TNG: "The Dauphin")
  - Room 0910: Deanna Troi's quarters, 2366/2367/2369 (TNG: "The Price", "Clues", "Man Of The People")
  - Room 0929: Maddy Calloway's quarters (TNG: "Eye of the Beholder")
  - Room 0937: Guest quarters, 2366/2369 (TNG: "Evolution", "Man Of The People")
- Officer's Quarters (TNG: "Q Who")
  - Room 3601: Jean-Luc Picard's quarters (TNG: "Allegiance")
- Security station (TNG: "The Defector")
- Crew Quarters
  - Room 1947: Ensign Edward Hagler (TNG: "Schisms")

Deck 10
- Section 1: Ten Forward (TNG: "The Child", "Power Play")
- Section 2 (TNG: "Power Play")
- Section 5 (TNG: "Conundrum")
- Crew quarters (TNG: "Conundrum")
- Holodeck 5 (TNG: "Homeward")
- Room 5013 Planetary sciences laboratory (TNG: "Pen Pals")
- Science laboratory (TNG: "Suspicions")

Deck 11
- Room 0925: Holodeck 3 (TNG: "All Good Things...")
- Room 1825: Holodeck 2 (TNG: "Elementary, Dear Data")
- Room 2917: Holodeck 4J (TNG: "Encounter at Farpoint", "Where No One Has Gone Before", "The Big Goodbye", "Angel One", "11001001", "We'll Always Have Paris")

Though referenced as holodeck 3 in "The Big Goodbye", the door label reads "Holographic Environmental Simulator 4J 2917.

- Room 2917: Cargo Bay 11 (TNG: "Symbiosis")
- Room 2926: Turbolift (TNG: "We'll Always Have Paris")
- Turbolift 7 (TNG: "Angel One")

Deck 12
- Room 1627 (TNG: "The Neutral Zone")
- Section 23 Baker, Room 1629: Chief medical officer's office (TNG: "Genesis")
- Section 23 Baker, Room 1631: Sickbay (TNG: "The Naked Now", "The Big Goodbye", "Remember Me", "The Next Phase", "Genesis")
- Geordi La Forge's quarters, 2364 (TNG: "Code of Honor")
- Biomedical Lab (TNG: "Home Soil")
- Nursery (TNG: "Home Soil")
- Gymnasium (TNG: "The Icarus Factor")
- Room 2054 (TNG: "The Chase")
- Science laboratory (TNG: "The Chase")
- Transporter Room 8 (TNG: "Coming of Age")

Deck 13
- Jefferies tube
  - 1365-Baker (TNG: "Disaster")
- Room 5973: Shuttlebay 2 (TNG: "Transfigurations")
- Shuttlebay 3 (TNG: "The Next Phase")

Deck 14
- Transporter room (TNG: "Encounter at Farpoint")
- Primary care classroom (TNG: "Rascals")
- Turbolift 2 (TNG: "Encounter at Farpoint")
- Conference Room (TNG: "The Outrageous Okona")

Although it is barely readable, sensor maintenance seems to be located on deck 14 room 2014.

Deck 15
- Jefferies tube
  - J-4 (TNG: "The Hunted")
- Science section
  - (TNG: "In Theory")

Deck 16
- Guest quarters (TNG: "Violations")

Deck 17
- Section 3 Alpha (TNG: "Phantasms")
- Section 21 Alpha: Arboretum (TNG: "Genesis")
- Auxiliary turbolift to battle bridge (TNG: "Heart of Glory")
- Crew quarters (TNG: "The Next Phase")

Deck 18
- Cargo bay 4 (TNG: "Power Play")

Deck 20
- Jefferies tube
  - Unknown (Star Trek Generations)

Deck 21
- Room 5001 (TNG: "Conspiracy")
- Transporter room (TNG: "Conspiracy")

Deck 22
- Lounge (TNG: "The Neutral Zone")
- Turbolift 3 (TNG: "The Neutral Zone")

Decks 23 to 24
- Impulse System (Main), Fusion Reaction Systems (TNG: "Contagion", display graphic)

Deck 25
- Room 0293: Starboard nacelle Jefferies tube access (TNG: "Eye of the Beholder")
- Room 0294: Starboard nacelle tube/plasma injector (TNG: "Eye of the Beholder")
- Torpedo bay (TNG: "In Theory")
- Room 5301: Docking port 5/airlock (TNG: "11001001")

Decks 27 to 29
- Deuterium Confinement Tankage (TNG: "Contagion", display graphic)

Decks 30 to 35
- Deuterium injection subsystem (TNG: "Contagion", display graphic)

Deck 30
- Jefferies tube
  - J-9 (TNG: "The Hunted")
  - K-12 (TNG: "The Hunted")

Deck 32
- Living quarters (TNG: "Imaginary Friend")

Deck 33
- Room 5244: Brig (TNG: "Deja Q")

Deck 34
- Turbolift 5 (TNG: "The Hunted")

Deck 35
- Aft Photon Torpedo Launcher (based on MSD)

Deck 36
- Section 4: Main engineering, dilithium crystal chamber, dilithium chamber hatch, power transfer conduits (TNG: "Encounter at Farpoint", "11001001", "Contagion", "The Best of Both Worlds", "Conundrum")
- Section 52 (TNG: "The Game")
- Droid Maintenance
- Science lab (TNG: "Time's Arrow, Part II")
- Room 5244: Jefferies tube access point (TNG: "Thine Own Self", "Realm Of Fear")
- Weapons room (TNG: "11001001")
- Turbolift 4 (TNG: "Family")
- Turbolift 5 (TNG: "11001001")
- Turbolift 9 (TNG: "11001001")
- Corridor crossing with an MSD (TNG: "Encounter at Farpoint")
- Engineering computer core access (TNG: "Conundrum")
- Jefferies tube
  - 23M (TNG: "In Theory")

The Chief Engineer's office may be located on this deck. (TNG: "Galaxy's Child")

Decks 37 to 41
- Antiproton injection subsystem (TNG: "Contagion", display graphic)

Deck 38
- Jefferies tube
  - N-11 (TNG: "The Hunted")
  - N-95 (TNG: "The Hunted") - external sensors
- Cargo bays
  - Cargo Bay 3 (TNG: "The Hunted")

Deck 39 (TNG: "Captain's Holiday")
- Cargo bays
  - Cargo Bay 12 (TNG: "A Matter of Perspective")

Deck 42
- Antimatter chamber (TNG: "Contagion", display graphic)
- Antimatter storage (TNG: "Liaisons")

Deck 43 (TNG: "Liaisons")

Unknown decks
- Stellar cartography (Star Trek Generations)