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[[File:NX-01 catwalk.jpg|thumb|The nacelle catwalk in an NX class starship]]
:''You might also be looking for the [[The Catwalk]], a [[Star Trek: Enterprise]] episode.''
 
[[Image:NX-01 catwalk.jpg|thumb|The nacelle catwalk in an [[NX class]] starship]]
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[[File:Catwalk highlighted on nacelle.jpg|thumb|A schematic showing the location of the catwalk (highlighted)]]
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{{Ep disambiguation|ENT|The Catwalk}}
[[Image:Catwalk highlighted on nacelle.jpg|thumb|A shematic showing the location of an NX class starship catwalk (highlighted)]]
 
The '''catwalk''' is the nickname both for a maintenance shaft inside a [[warp nacelle]] and for a maintenance walkway on Deck 35 just above the center of the [[warp core]] in [[Main engineering]] onboard [[Galaxy class]] [[starship]]s.
 
   
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The '''catwalk''' was the unofficial designation for the lateral access conduit running the entire length of the [[warp nacelle]]s of an {{Class|NX}} [[starship]]. Located at the center of the nacelle, just below the ship's [[warp coil]]s, the catwalk was accessible through a single vertical [[Jefferies tube]].
[[NX class|''NX''-class]] starship catwalks were protected by an [[osmium]] alloy.
 
   
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Protected by an outer shell composed of an [[Osmium]] [[alloy]], the catwalk was used as a maintenance shaft, though it was only operative if the ship's [[warp drive]] was shut down. With warp systems online, the catwalk was subject to extreme high temperatures and was not suitable for habitation. ({{ENT|The Catwalk}})
In [[2152]] the crew of [[Enterprise (NX-01)|''Enterprise'' (NX-01)]] had to take refuge for eight days inside the starboard catwalk when a deadly [[neutronic storm]] threatened the ship. Later that year, many took refuge there again, this time to protect themselves from "[[Wisp]]" beings that would take-over the crews bodies. ({{ENT|The Catwalk|The Crossing}})
 
   
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In [[2152]], the [[crew]] of the starship {{EnterpriseNX}} took refuge from a deadly [[neutronic storm]] within the catwalk. Utilizing a makeshift [[command center]] which the ship's [[Chief Engineer]] [[Commander]] [[Charles Tucker III]] prepared, [[Captain]] [[Jonathan Archer]], [[First Officer]] [[T'Pol]] and [[Helmsman]] [[Travis Mayweather]] were able to control ''Enterprise''{{'}}s [[navigation]] through the storm. ({{ENT|The Catwalk}})
In [[2368]] [[Lieutenant Commander]] [[Geordi La Forge]] was feeling dizzy and almost fell off the catwalk. He was rescued by [[Ensign]] [[Fletcher (Ensign)|Fletcher]]. ({{TNG|Cause and Effect}})
 
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Later in 2152, Archer once again led his crew into the catwalk when ''Enterprise'' was invaded by [[non-corporeal lifeform|non-corporeal]] [[Wisp|being]]s. Unable to penetrate the catwalk's protective [[deflector shield]]ing, the beings were kept at bay long enough for Archer and his crew to repel their attack. ({{ENT|The Crossing}})
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The {{USS|Enterprise|NCC-1701-D|-D}} also possessed a catwalk. In [[2368]], when [[Lieutenant Commander]] [[Geordi La Forge]] experienced [[dizziness]] due to a phase shift in his visual receptors caused by the ship being in a [[temporal causality loop]], he stated that at first he thought the catwalk was spinning. ({{TNG|Cause and Effect}})
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{{bginfo|In the script of {{ENT|Fortunate Son}}, two walkways on either side of Cargo Bay 4 aboard the {{ECS|Fortunate}} are also both referred to as a "catwalk".|In "A Close Look at Enterprise NX-01" from the fan webpage [http://www.ex-astris-scientia.org Ex Astris Scientia], scenic artist [[Doug Drexler]] stated that his original intent for the design of ''Enterprise'' would have had the ship's nacelles, pylons and double hulls uninhabitable. He also stated that these sections would have been accessible only in [[environmental suit]]s from the outside of the ship, through an [[engineering]] EV staging area located at the extreme aft portion of the [[saucer section]]. ''{{eas|articles/nx01.htm}}''}}
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== See also ==
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* [[Jefferies tube]]
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* [[Emergency access conduit]]
 
[[Category:Starship sections]]
 
[[Category:Starship sections]]

Revision as of 21:35, 1 October 2015

NX-01 catwalk

The nacelle catwalk in an NX class starship

Catwalk highlighted on nacelle

A schematic showing the location of the catwalk (highlighted)

For the ENT episode with a similar title, please see "The Catwalk".

The catwalk was the unofficial designation for the lateral access conduit running the entire length of the warp nacelles of an NX-class starship. Located at the center of the nacelle, just below the ship's warp coils, the catwalk was accessible through a single vertical Jefferies tube.

Protected by an outer shell composed of an Osmium alloy, the catwalk was used as a maintenance shaft, though it was only operative if the ship's warp drive was shut down. With warp systems online, the catwalk was subject to extreme high temperatures and was not suitable for habitation. (ENT: "The Catwalk")

In 2152, the crew of the starship Enterprise NX-01 took refuge from a deadly neutronic storm within the catwalk. Utilizing a makeshift command center which the ship's Chief Engineer Commander Charles Tucker III prepared, Captain Jonathan Archer, First Officer T'Pol and Helmsman Travis Mayweather were able to control Enterprise's navigation through the storm. (ENT: "The Catwalk")

Later in 2152, Archer once again led his crew into the catwalk when Enterprise was invaded by non-corporeal beings. Unable to penetrate the catwalk's protective deflector shielding, the beings were kept at bay long enough for Archer and his crew to repel their attack. (ENT: "The Crossing")

The USS Enterprise-D also possessed a catwalk. In 2368, when Lieutenant Commander Geordi La Forge experienced dizziness due to a phase shift in his visual receptors caused by the ship being in a temporal causality loop, he stated that at first he thought the catwalk was spinning. (TNG: "Cause and Effect")

In the script of ENT: "Fortunate Son", two walkways on either side of Cargo Bay 4 aboard the ECS Fortunate are also both referred to as a "catwalk".
In "A Close Look at Enterprise NX-01" from the fan webpage Ex Astris Scientia, scenic artist Doug Drexler stated that his original intent for the design of Enterprise would have had the ship's nacelles, pylons and double hulls uninhabitable. He also stated that these sections would have been accessible only in environmental suits from the outside of the ship, through an engineering EV staging area located at the extreme aft portion of the saucer section. [1]

See also