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| Canon source | Backstage source | Novel source | DITL speculation | 
| # | Series | Season | Source | Comment | 
| 1 | Speculative | (328.9 m) Scaled so that the primary hull is equal to that of the Intrepid Class in size. | ||
| 2 | Speculative | B'rel Class (327 m) Comparison of the B'Rel to the Enterprise-D in 'Rascals'. Note that the 109 metre bird of prey is a different ship which has its own entry. | ||
| 3 | Star Trek - Starfleet Technical Manual | Federation Class (320 m) Stated on page 01:04:24. | 
| Source : | Speculative | 
| Comment : | (328.9 m) Scaled so that the primary hull is equal to that of the Intrepid Class in size. | 
| Source : | Speculative | 
| Comment : | B'rel Class (327 m) Comparison of the B'Rel to the Enterprise-D in 'Rascals'. Note that the 109 metre bird of prey is a different ship which has its own entry. | 
| Book : | Star Trek - Starfleet Technical Manual | 
| Comment : | Federation Class (320 m) Stated on page 01:04:24. | 
| © Graham & Ian Kennedy | Page views : 22,827 | Last updated : 28 Oct 2003 |