
| Grade | Facilities | Classes | 
| >7 | 75 x Ambassadorial quarters at 250 square metres each. 2,250 x Staff quarters at 30 - 80 square metres each 4 x 2,500 square metre conference hall complexes for 600 guests each 75 x 150 square metre 40 seat briefing rooms 75 x Independant communications facilities 30% of all facilities, including interconnecting corridors, capable of supporting H, K, or L environments Facilities for up to 400 members of the press | Galaxy, Nebula Starbases often contain 
 | 
| >6 | 30 x Ambassadorial quarters at 210 square metres each. 900 x Staff quarters at 25 - 60 square metres each 2 x 1,500 square metre conference hall complexes for 500 guests each 30 x 150 square metre 40 seat briefing rooms 30 x Independant communications facilities 25% of all facilities, including interconnecting corridors, capable of supporting H, K, or L environments Facilities for up to 150 members of the press | Ambassador | 
| >5 | 20 x Ambassadorial quarters at 100 square metres each. 400 x Staff quarters at 15 - 25 square metres each 1 x 1,000 square metre conference hall complexes for 450 guests 20 x 90 square metre 25 seat briefing rooms 20 x Independant communications facilities 15% of all facilities, including interconnecting corridors, capable of supporting H, K, or L environments Facilities for up to 50 members of the press | Excelsior, Sovereign | 
| >4 | 5 x Ambassadorial quarters at 50 square metres each. 50 x Staff quarters at 15 square metres each 1 x 120 square metre conference hall complexes for 60 guests 5 x 50 square metre 15 seat briefing rooms One independant communications facility 15% of all facilities, including interconnecting corridors, capable of supporting H or K environments | Norway, Miranda, Lakota-type Excelsior | 
| 3 | Diplomats housed in crew quarters if required 1 x 80 square metre conference room for 40 guests 2 x 40 square metre 10 seat briefing rooms Communications via standard ships systems 15% of all facilities, including interconnecting corridors, capable of supporting H or K environments | Akira, Steamrunner,
Intrepid, New Orleans | 
| 2 | Diplomatic courier function only - diplomats housed in crew quarters for short duration interstellar missions. | Defiant, Saber, some Oberth subtypes, Prometheus, some Runabouts | 
| 1 | Diplomatic courier function only - diplomats housed in crew quarters for short duration interplanetary missions. | Most Oberth vessels, Runabouts and shuttlecraft, Colony transports, Cargo and support vessels | 
| Canon source | Backstage source | Novel source | DITL speculation | 
| © Graham & Ian Kennedy | Page views : 50,365 | Last updated : 31 Oct 2025 |