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Tarellian Ship

Size Comp
Universe : Prime Timeline
Affiliation : Tarellian
Class Name : Tarellian Ship
Type : Cruise liner
Unit Run : Originally 87 built. One remains in service. 87 built in total. 86 have been lost in all.
Commissioned : 2348 - 2352, class remains in service
Dimensions : Length : 551 m1
Beam : 235 m
Height : 181 m
Decks : 12
Mass : 3,690,000 metric tons
Crew : Only eight were manning the last surviving ship.2
Armament : No beam weapons
Defence Systems : Standard shield system, total capacity 189,000 TeraJoules
Standard Duranium / Tritanium Single hull.
Standard level Structural Integrity Field
Warp Speeds
(TNG scale) :
Normal Cruise : 4
Maximum Cruise : 4.5
Maximum Rated : 5.1 for 8 hours.
Strength Indices :
(Galaxy class = 1,000)
Beam Firepower : -
Torpedo Firepower : -
Weapon Range and Accuracy : -
Shield Strength : 70
Hull Armour : 50
Speed : 119
Combat Manoeuvrability : 1,870
Overall Strength Index : 38
Diplomatic Capability : Unknown thought to be equivilent to Federation Grade 5
Expected Hull Life : 80
Refit Cycle : Minor : 1 year
Standard : 5 years
Major : 20 years


The last existing Tarellian ship was encountered by the Starship USS Enterprise-D on Stardate 41294.5 whilst in orbit round the planet Haven. Prior to this encounter the Tarellians where thought to be extinct. Most Tarellians where wiped out by a genetically engeered virus produced during a civil war on their home planet. Some, however, fled the planet taking the virus to other planets only to infect the native population. The surviving ships where hunted down, with what was believed to be the last ship being detroyed by the Alcyones eight years prior to the encounter.2

The most notable feature of the Tarellian ship is the large ionic fusion reactor which accounts for over one quarter of the mass of the vessel. This reactor is in excess of 180 metres in diameter and demonstrates the vast size such reactors need to be in order to yeald enough power to run even a rudimentary warp drive. In comparison a typical federation matter / antimatter reactor is a mere 3-5 metres in diameter.

The warp drive on the ship encountered by the enterprise had failed and thus it was only able to operate at sub-light speeds. The fact that it made it to planet Haven, a journey of more than eight years, in this condition is something of a testiment to the resiliance of the ship.2

Colour key

Canon source Backstage source Novel source DITL speculation


# Series Season Source Comment
1 Speculative Scaled so that decks are 3.75 metres high.
2 TNG 1 Haven
Source : Speculative
Comment : Scaled so that decks are 3.75 metres high.
Series : TNG Season 1 (Disc 3)
Episode : Haven


The Tarellian ship was first seen in the TNG Episode 'Haven' and all our information comes from that episode. We know from Geordi that these ships are usually warp capable. It is also seen to have a transporter system. I have tried to explain the very unusual appearance of the ship by theorizing that the 'Glowing Ball' at it's heart is a massive fusion reactor. The part about the resilience of the ships stems from the fact it had been 'missing' for over eight years and given the reaction these people seem to evoke, they where very unlikely to have had much in the way of assistance during this time.
© Graham & Ian Kennedy Page views : 26,467 Last updated : 12 Mar 2013