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The Class S-4 shuttlecraft was an aquashuttle, an auxiliary vehicle specifically constructed by the Federation Starfleet for submersible undersea operation as well as spaceflight in the 23rd century.

History and specifications[]

The S-4 class was an experimental shuttle type configured to explore deep oceans while having relatively similar internal control systems to the class F shuttlecraft. It featured a small power plant and specially belted and padded seats. Customized sensor arrays were specialized for underwater studies. This class of vessel was assigned for evaluation to several Constitution-class starships in the late 2260s. It was armed with a phaser cannon intended for defense against threatening undersea lifeforms, with firepower comparable to twice that of a phaser rifle. (FASA RPG module: Cadet's Orientation Sourcebook)

The S-4 class was designed primarily for maneuverability within a liquid, and secondarily as a spacecraft. As such, it took some experience to pilot the craft smoothly through a planetary atmosphere. The vessel was fitted with a recorder-sampler to collect data from the water. Storage lockers contained survey equipment, including tricorders and a self-powered mesh that would return samples of microbial life for analysis. The ship's window was made of a plexalloy. (TAS - Log Five novelization: The Ambergris Element)

Aquashuttle NCC-1701/5A was armed with two forward phasers set at stun force, charged by a power pack. It had a hatch and could also travel on top of the water like a boat. (TAS episode & Log Five novelization: The Ambergris Element)







Starfleet shuttlecraft classes
Federation, Starfleet named classes AeroshuttleDanubeEpochFlyerGreyhoundMcCallMercury (warpshuttle)PulsarSphinxTeslaValkyrieVenture (scout)WaveriderWraithYellowstoneZodiac (warp shuttle) alphanumeric designations 2ACFGHR10S3S4S5S6S7S10S11S12S20SC22SW7SW21 Emblem of the United Federation of Planets. Seal of the Federation Starfleet.
type designations type-1type-3type-4type-5type-6type-6Atype-6Ctype-7type-8type-9type-9Atype-10type-11type-15type-15Atype-16type-17type-18type-18HZhang Sui
others mark IIcaptain's skiffcaptain's yachtAcademy trainer craftunnamed Federation shuttlecraft classes
Federation, Starfleet
(Kelvin timeline)
military shuttlepassenger shuttleStarfleet shuttle (2230s) Emblem of the United Federation of Planets. USS Enterprise assignment insignia.

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