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| Canon source | Backstage source | Novel source | DITL speculation | 
| # | Series | Season | Source | Comment | 
| 1 | Speculative | (472 m) Scaled so that decks are 3.75 metres high. The episode gives no clear indication of how big the ship is. | ||
| 2 | Star Trek Chronology | Excelsior Class - Standard (467 m) Stated on page 138. Scale diagrams usually give a size consistent with this figure. However, the DS9 TM claims that the Enterprise-B type, which is based on an identical basic hull, has a length of 511.25 metres. | ||
| 3 | Star Trek Chronology | Excelsior Class - 1701-B (467 m) Stated on page 138, assuming it to be the same size as the standard Excelsior. The DS9 TM claims that this ship has a length of 511.25 metres. | 
| Source : | Speculative | 
| Comment : | (472 m) Scaled so that decks are 3.75 metres high. The episode gives no clear indication of how big the ship is. | 
| Book : | Star Trek Chronology | 
| Comment : | Excelsior Class - Standard (467 m) Stated on page 138. Scale diagrams usually give a size consistent with this figure. However, the DS9 TM claims that the Enterprise-B type, which is based on an identical basic hull, has a length of 511.25 metres. | 
| Book : | Star Trek Chronology | 
| Comment : | Excelsior Class - 1701-B (467 m) Stated on page 138, assuming it to be the same size as the standard Excelsior. The DS9 TM claims that this ship has a length of 511.25 metres. | 
| © Graham & Ian Kennedy | Page views : 8,085 | Last updated : 28 Oct 2003 |