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| Canon source | Backstage source | Novel source | DITL speculation | 
| # | Series | Season | Source | Comment | 
| 1 | Speculative | (310 m) Based on a visual comparison with Voyager in 'Year of Hell, Part 1', and on a window height of 3 metres. | ||
| 2 | Speculative | Suurok Class (309 m) Estimated by comparing the length to the distance between the two rows of windows on the hull. | ||
| 3 | Star Trek Encyclopedia | Constitution Class - refit (305 m) Third edition, page 138 | 
| Source : | Speculative | 
| Comment : | (310 m) Based on a visual comparison with Voyager in 'Year of Hell, Part 1', and on a window height of 3 metres. | 
| Source : | Speculative | 
| Comment : | Suurok Class (309 m) Estimated by comparing the length to the distance between the two rows of windows on the hull. | 
| Book : | Star Trek Encyclopedia | 
| Comment : | Constitution Class - refit (305 m) Third edition, page 138 | 
| © Graham & Ian Kennedy | Page views : 15,280 | Last updated : 28 Oct 2003 |