The USS Tucana (NCC-619) was a Federation starship, a Hermes-class that was authorized for construction in the 23rd century. (TOS reference: Star Fleet Technical Manual)
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| Hermes-class class I scout starships | ||||||||||||||||||||||||||||||||||||||||||||||
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| Hermes-class scouts | Aeolus • Calypso • Cody • Cochise • Crockett • Hermes • Revere • Sacagawea Proposed/authorized for construction: Anubis • Batidor • Bowie • Bridger • Carson • Diana • Quintillus • Spaker • Tonti |
 
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| Monoceros-subclass scouts | Leo | |||||||||||||||||||||||||||||||||||||||||||||
| advanced scouts (SC+): Aries • Camelopardus • Canis Major • Canis Minor • Equulus • Leo Minor • Lepus • Lupus • Lynx • Monoceros • Pegasus • Taurus • Ursa Major • Ursa Minor • Vulpecula • SC+ refits: Bowie • Crockett • Leo | ||||||||||||||||||||||||||||||||||||||||||||||
| Cygnus-subclass couriers | Aquila • Columbia • Phoenix Proposed/authorized for construction: Apus • Corvus • Cygnus • Grus • Pavo • Tucana | |||||||||||||||||||||||||||||||||||||||||||||
| Kelvin timeline Hermes-class | Aeolus • Hermes |  
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