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Guidance

Liquid explosive detection systems (LEDS) for aviation security

Liquid explosive detection systems approved by Department for Transport for use in aviation security.

Updates to this page

From:
Department for Transport
Published:
19 August 2013
Last updated:
1 October 2026
Show all updates

  1. List updated to reflect the latest approvals, including 2 new Agilent Technologies Insight300M model configurations and an updated Kumahira Co. Ltd. LSR‑M2 configuration.

  2. Expired liquid explosive detection system approvals have been removed.

  3. Update of additional information for 2 Nuctech Models.

  4. Two Nuctech models updated to correct software version and algorithm.

  5. Addition of a new Leidos model and configuration changes to 3 Rapiscan models.

  6. List updated to reflect approval for Agilent 200M and end-of-life dates set for older Agilent approvals added.

  7. List updated to reflect new ECAC approvals and 2 Kumahira Co LTS models added.

  8. Reference to guidance added.

  9. Listing error for Veriteque equipment corrected and updated.

  10. EMA-4 from CEIA, LSR-M3 from Kumahira Co. Ltd and 2 models of CX6040D from Nutech added.

  11. List of approved liquid explosive detection systems updated.

  12. New configurations added to Rapiscan 920CT and Analogic ConneCT.

  13. Addition of OneTray VAS 207a for certain Smiths 6040aTiX configurations

  14. Two new configurations added.

  15. List updated with 3 new equipment configurations added from Rapiscan, 1 new equipment configuration added from Smiths Detection, 28 updated equipment configurations added from Smiths Detection, 2 updated equipment configurations added from Agilent Technologies and 2 corrected entries added from Smiths Detection. Formatting has been set to mirror ECAC descriptors.

  16. Added new equipment configurations to the list from CEIA and Smiths Detection, and updated entries from Smiths Detection.

  17. Amended with 2 updated entries for Smiths Detection.

  18. Added new equipment configuration from Rapiscan and Smiths Detection.

  19. 2 new equipment configurations from Agilent Technologies (Previously: Cobalt Light Systems) have been added to the list. 2 new equipment configurations from Rapiscan have also been added.

  20. Rebrand of System Two to Veriteque USA, Inc including and from S2LETK to SwabTek LETK. Equipment configurations added for X-Ray Center, Veriteque USA, Inc, Kumahira Co. Ltd and Nuctech.

  21. New equipment configurations added from Kumahira and Smiths Detection.

  22. Equipment additions by Kumahira, Smith Detection and Nuctech.

  23. Equipment configurations added by Kumahira, Smiths Detection and Nuctech.

  24. New equipment is added from Nuctech and Smiths Detection.

  25. Approved liquid explosive detection systems list updated.

  26. List of approved liquid explosive detection systems for use in aviation security.

  27. List of approved liquid explosive detection systems updated.

  28. New security screening equipment for Liquid explosives detection systems (LEDS) updated.

  29. Security screening equipment approved in February 2016 by the European Civil Aviation Conference for liquids explosive detection systems.

  30. Amendments to the Liquid explosive detection systems.

  31. Updated with new equipment approved by the European Civil Aviation Conference.

  32. New equipment approved by the European Civil Aviation Conference (ECAC) on 28 July 2015.

  33. Updated with new aviation security equipment recently approved for operation use by DfT and the European Civil Aviation Conference.

  34. Updated approved equipment list.

  35. First published.

Documents

Approved liquid explosive detection systems (LEDS) in open document format

ODS, 18.6 KB

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Approved liquid explosive detection systems (LEDS) in Excel format

MS Excel Spreadsheet, 29.3 KB

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Details

Listing of the liquid explosive detection systems approved by the Department for Transport for use in aviation security.

The LEDS detect explosive material that is in liquid form.

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