Clearance Divers Life Support Equipment
rebreather

The CDLSE (Clearance Divers' Life Support Equipment) is made by Divex in Aberdeen, Scotland.
It is an electronic closed circuit rebreather designed to be silent and non-magnetic. It allows diving to 60 metres (200 ft) using air as diluent, or up to 120 metres (390 ft) using
heliox and trimix.
Some sources describe it as a "Stealth Clearance Divers Life Support Equipment."
As of June 2007, the Royal Navy plan to use it to replace the Carleton CDBA. It was introduced into service in 2010. Full Operation Capability was reached on 23 July 2011.
It is also used by the French Navy, Royal Australian Navy and Republic of Singapore Navy.
Its absorbent is designed to last four to six hours.
Designed to work with either a bite mouthpiece and standard half mask, or with Divex's proprietary Dual Mode Mask.
“Clearance Divers Life Support Equipment” enters the record as rebreather. Crown Archives preserves that source wording while asking what Clearance, Divers and Life can confirm, complicate or overturn.
Why this record matters
“Clearance Divers Life Support Equipment” is worth following because a concise public description often conceals a longer documentary argument. Here, Clearance, Divers and Life provides the most credible route into that argument.
The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 20, 2024. The linked authority identifier is Q5009966. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2007, 2010 and 2011.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “Clearance Divers Life Support Equipment”, its source revision and the description used here.
- Expand the search: follow Clearance Divers Life Support Equipment primary sources, Clearance Divers Life Support Equipment archive and Clearance research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Clearance Divers Life Support Equipment”?
- Which institution is responsible for the underlying evidence?
- What terminology or title could unlock a more precise catalogue search?
Search terms from this dossier
This entry incorporates text from “Clearance Divers Life Support Equipment” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.