Guidance: Liquid explosive detection systems (LEDS) for aviation security

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.

Published 19 August 2013 Last updated 15 March 2024 + show all updates 15 March 2024 New configurations added to Rapiscan 920CT and Analogic ConneCT.

13 November 2023 Addition of OneTray VAS 207a for certain Smiths 6040aTiX configurations

10 October 2023 Two new configurations added.

16 February 2022 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.

29 March 2021 Added new equipment configurations to the list from CEIA and Smiths Detection, and updated entries from Smiths Detection.

15 February 2021 Amended with 2 updated entries for Smiths Detection.

21 December 2020 Added new equipment configuration from Rapiscan and Smiths Detection.

22 October 2020 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.

21 May 2020 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.

20 December 2019 New equipment configurations added from Kumahira and Smiths Detection.

16 May 2019 Equipment additions by Kumahira, Smith Detection and Nuctech.

9 October 2018 Equipment configurations added by Kumahira, Smiths Detection and Nuctech.

22 March 2018 New equipment is added from Nuctech and Smiths Detection.

16 November 2017 Approved liquid explosive detection systems list updated.

14 August 2017 List of approved liquid explosive detection systems for use in aviation security.

4 August 2016 List of approved liquid explosive detection systems updated.

19 May 2016 New security screening equipment for Liquid explosives detection systems (LEDS) updated.

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

19 November 2015 Amendments to the Liquid explosive detection systems.

18 November 2015 Updated with new equipment approved by the European Civil Aviation Conference.

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

5 November 2014 Updated with new aviation security equipment recently approved for operation use by DfT and the European Civil Aviation Conference.

27 September 2013 Updated approved equipment list.

19 August 2013 First published.