The Full Wiki

More info on Blast door

Blast door: Misc



Up to date as of February 07, 2010
(Redirected to Blast door map article)

From Lostpedia

A full picture of the blast door map
The Via Domus blast door map with new notations
The blast door map with legible text written above

The blast door map, first seen in the 17th episode of Season 2, "Lockdown", is a map of DHARMA Initiative facilities on the Island discovered by Locke at the Swan. The map and its accompanying annotions were drawn on one of the blast doors in paint that would fluoresce under ultraviolet light. The map was only visible briefly during the lockdown incident and was later destroyed in the Swan implosion.


Creation and history

Stuart Radzinsky, a DHARMA Initiative member and architect of the Swan station, originally created the map. He and his partner, Kelvin Inman regularly forced a lockdown sequence to engage the blast doors to continue their work on the map. The map's creators were forced to work blindly as the map could only be seen under conditions when the Swan was illuminated with black-light. Following Radzinsky's suicide, Kelvin continued working on the map, albeit at a much slower pace. Kelvin described Radzinsky as having a photographic memory, allowing him to remember exactly where he left off. It is unknown if Desmond ever contributed to the map. ("Live Together, Die Alone")

DHARMA laundry detergent was at least one of the substances used as "paint" on the map. Likely other mixtures were used to create the different colours.

Locke saw the blast door map for the first and only time in episode "Lockdown" while trapped under the blast door during the lockdown incident. Black lights switched on, revealing the map.

In the semi-canon video game, Via Domus, there are two spectrum levels of the map which can be seen under different lighting conditions. The first was as seen by Locke. The second spectrum of the map includes more geographical locations and notations. ("Forty-Two")


There are numerous handwritten notations across the blast door map. There were at least two types of notations on the map: printed notes in English, informed and factual; and more speculative philosophical musings in Latin written in cursive. Likely a combination of information and guesswork on the part of its creators, the map does not appear to be entirely accurate.


Locations and geography

The written notations


The hidden map shows the location of six stations with a seventh crossed out. All the stations appear to be pointing towards the center of the Island, represented on the map by a large question mark. Four of the stations appear with names and logos: the Arrow, the Staff, the Flame and the Swan. The central location, indicated by the question mark at the center of the map was later identified as the Pearl. ("?")

Other Structures

  • A number of other structures appear around the periphery of the map marked "CV". These are numbered sequentially counter-clockwise one through four. "CV" was later revealed in the jigsaw puzzles to stand for "Cerberus Vent".
  • The map also contains a note at about four o'clock referencing the "Known final resting place of Magnus Hanso/Black Rock."


The notes are written in several scripts, suggesting multiple contributors. The notes can be grouped into four general categories: English commentary, Latin commentary, mathematical equations and object labels (the Swan, the Flame, CVIII, etc). The Latin phrases appear to be more of a running commentary than insightful notations about the map. By contrast, the majority of the notations written in English address the various stations, references to an incident, possible shutdowns, a Cerberus system, the Periodic Resupply Drop and a DharmaTel network.

Station references

  • Several notations hint that additional as-yet unseen DHARMA facilities may exist. There are two references to a mountain location dedicated to meteorology research and another mentions a listening station devoted to communication analysis and cryptographic research.
  • According to the March 10th Podcast, the Tempest is referenced on the blast door map. While not explicitly identified, the station is likely referenced by the notation referring to a "possible manufacturing facility with light industrial equipment."
Enhanced close-up of date

Math, equations, science

Found on the blast door map are several equations, both mathematical and scientific, written as additional notations to the diagram. Three trigonometric equations are located in the top left-hand corner of the blast door map, two calculus problems appear to be engineering/physics equations related to magnetism, two derived values are found at the far right of the map, and other various mathematical equations are spread throughout it.


There are several notations on the hidden map that appear to be dates, which use a month/day/year format. Some appear to indicate a the timestamp when a "shutdown" occurred. What was shut down and why are unknown. There is another date reference to a zoological research facility and a reference to something called an AH/MDG incident of 1985.

Via Domus version of the blast door map

The newer version of the blast door map, as seen in a trailer for Lost: Via Domus.
Elliott sees the map. ("Hotel Persephone")

The Via Domus version of the map seen by Elliott Maslow in "Forty-Two", is a canonical addition to the blast door map, since the producers stated that there is another version of the map seen under a different light. (Access: Granted)

A summary of the additions to this map, listed counter-clockwise:

  • Outside, Upper Left: Pala Ferry icon
  • Outside, Lower Left: Looking Glass icon, "CABLES RUNNING OFFSHORE -- POSSIBLE LOOKING GLASS"
  • Outside, Middle Right: "AEGRI SOMNIA", Latin for "A SICK MAN'S DREAMS" or "TROUBLED DREAMS"
  • Inside, Upper Right: Barracks icon, "HOSTILE CONTROLLED"
  • Inside, Lower Center: "QUID EST VERITUS?", Latin for "WHAT IS TRUTH?" or "WHAT IS TRUE?"

Other official high-resolution images of the map

Images of the glow-in-the-dark backs of all 4 jigsaw puzzles, pieced together

In addition to the screen capture of the map from "Lockdown", the original map has been presented through other official venues. These images were apparently taken from the original prop source, and thus are higher quality images, some of which show more details and sections of the map than those from the episode itself. These include:

Locke's map

Main article: Locke's map

Locke was the only one of the survivors to see the blast door map and later tried to recreate the map on paper by drawing what he recalled. Only seeing the map for a few seconds, his memory is somewhat sketchy, but he appeared to recall the general station locations, the 'rivers' and the question mark in the center of the map. After various attempts, Locke eventually drew a good copy which he eventually gave to Mr. Eko. ("S.O.S.")  ("?")

Unanswered questions

Unanswered questions
  1. Do not answer the questions here.
  2. Keep the questions open-ended and neutral: do not suggest an answer.
More details...
For fan theories about these unanswered questions, see: Blast door map/Theories


  • What was the purpose of the map?
  • Why would Radzinsky, a central figure in the DHARMA Initiative, need a map?
  • Why was the map hidden?
    • Why was it deliberately created to be visible only under black light conditions?


  • Why are several stations drawn in dotted lines?
    • Why is one of them crossed out?
  • What does the X symbol indicate in regards to the stations?
  • What do the straight lines connecting the various stations signify?
  • What is a Cerberus Vent?
  • What is the significance of the Latin phrases?
  • What are the conduits referenced by the map?
  • Why is the writing above the Arrow Station crossed out?
    • What is code 42?
  • Why is the "C3" location "untenable"?

External links

Map commentary

  • Transcript of Javier Grillo-Marxauch chat discussing map

Raw images

  • Direct Screen Grab (enhanced)

Fan-annotated and translated images

  • Interactive Blastdoor Map with Removable "Layers" and Translation Toggle
  • Colorized Translated Map (Created by EW, completed by fans)
  • Hybrid Fan-Annotation (with translation legend)
  • Hybrid Maps of Fans
  • Black and White Hybrid Fan-Annotation
  • Organized Fan-Annotation (grouped notes)

This article uses material from the "Blast door map" article on the Lostpedia wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.


Up to date as of February 04, 2010

From Wookieepedia, the Star Wars wiki.

A Lucrehulk-class battleship blast doors closed.
"Open the blast doors! Open the blast doors!"
Death Star stormtrooper(audio)Listen (file info)

A blast door (or shielded door) was a type of door found on many capital ships and bases.

A blast door closing on the first Death Star.

Blast doors were extra doors that were closed next to a room's regular entrance or other closed door to provide extra reinforcements against hostile forces such as explosives, powerful blasters, or even lightsabers. Blast doors could also be used to seal off a portion of a ship which has been breached from the vacuum of space.

In 32 BBY, Jedi Master Qui-Gon Jinn tried to melt through a blast door with his lightsaber to get to the Trade Federation's Viceroy. His efforts were met with initial success, but the droidekas on the ship drove him away before he could finish.

Blast doors were also present on the Death Star I as large rectangular doors that slowly opened and closed. Han Solo and Chewbacca escaped from pursuing stormtroopers by leaping through a closing blast door during their rescue of Princess Leia.

This article is a stub about technology. You can help Wookieepedia by expanding it.


This list is incomplete. You can help Wookieepedia by expanding it.
  • Star Wars: Knights of the Old Republic
  • Star Wars: Knights of the Old Republic II: The Sith Lords
  • Star Wars Episode I: The Phantom Menace novel
  • Star Wars Episode I: The Phantom Menace
  • Star Wars Episode I: The Phantom Menace junior novel
  • "The Clone Wars: The Pengalan Tradeoff" - Star Wars Insider 65
  • Star Wars: The Clone Wars – "Jedi Crash"
  • Star Wars Episode III: Revenge of the Sith
  • Death Star
  • Star Wars Episode IV: A New Hope (First appearance)
  • Star Wars 4: In Battle with Darth Vader
  •  "Hasty Exit" - Shadows of the Empire Sourcebook
  • Star Wars Episode VI: Return of the Jedi
  • Star Tours
  • Retreat From Coruscant
  • Junior Jedi Knights: Kenobi's Blade


I find your lack of sources disturbing.

This article needs to be provided with more sources and/or appearances to conform to a higher standard of article quality.

This article uses material from the "Blast door" article on the Starwars wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.


Got something to say? Make a comment.
Your name
Your email address