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| Canon source | Backstage source | Novel source | DITL speculation | 
| # | Series | Season | Source | Comment | 
| 1 | Star Trek : Titan, Book 1 - Taking Wing | (450 m) Page 579 | ||
| 2 | Speculative | Kelvin Class (450 m) Estimated off scale diagram assuming saucer rim is two 3.75 m decks thick | ||
| 3 | Speculative | Niagara Class (443 m) Scaled so that the nacelles are equal to that of the Galaxy Class in size. | 
| Novel : | Star Trek : Titan, Book 1 - Taking Wing | 
| Comment : | (450 m) Page 579 | 
| Source : | Speculative | 
| Comment : | Kelvin Class (450 m) Estimated off scale diagram assuming saucer rim is two 3.75 m decks thick | 
| Source : | Speculative | 
| Comment : | Niagara Class (443 m) Scaled so that the nacelles are equal to that of the Galaxy Class in size. | 
| © Graham & Ian Kennedy | Page views : 31,077 | Last updated : 28 Oct 2003 |