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| Canon source | Backstage source | Novel source | DITL speculation | 
| # | Series | Season | Source | Comment | 
| 1 | Star Trek Encyclopedia | (239 m) Calculated from the scale diagram on page 579, comparing the freighter to the Vor'cha class. | ||
| 2 | Speculative | Sydney Class (238 m) Scaled to the nacelles, which are those from the Refit Constitution class. | ||
| 3 | Generic official information | Prometheus Top - MV mode (236.1 m) Scaled to match the diagram of the full ship. | 
| Book : | Star Trek Encyclopedia | 
| Comment : | (239 m) Calculated from the scale diagram on page 579, comparing the freighter to the Vor'cha class. | 
| Source : | Speculative | 
| Comment : | Sydney Class (238 m) Scaled to the nacelles, which are those from the Refit Constitution class. | 
| Series : | Season | 
| Episode : | Generic official information | 
| Comment : | Prometheus Top - MV mode (236.1 m) Scaled to match the diagram of the full ship. | 
| © Graham & Ian Kennedy | Page views : 23,556 | Last updated : 28 Oct 2003 |