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| Canon source | Backstage source | Novel source | DITL speculation | 
| # | Series | Season | Source | Comment | 
| 1 | Eaglemoss Starships Collection magazine | (12 m) | ||
| 2 | Speculative | Air Tram (12 m) Estimated by scaling against a person approximately six feet in height. | ||
| 3 | Star Trek Encyclopedia | Orbital Shuttle (11.37 m) Calculated from the scale diagram on page 443, assuming a 24 foot Type 1. | 
| Source : | Eaglemoss Starships Collection magazine | 
| Comment : | (12 m) | 
| Source : | Speculative | 
| Comment : | Air Tram (12 m) Estimated by scaling against a person approximately six feet in height. | 
| Book : | Star Trek Encyclopedia | 
| Comment : | Orbital Shuttle (11.37 m) Calculated from the scale diagram on page 443, assuming a 24 foot Type 1. | 
| © Graham & Ian Kennedy | Page views : 5,299 | Last updated : 28 Oct 2003 |