(19)

(11)

EP 4 436 868 A1

(12)

(43) Date of publication: 02.10.2024 Bulletin 2024/40 (21) Application number: 22817314.2 (22) Date of filing: 23.11.2022

(51) International Patent Classification (IPC):  B63B 83/00(2020.01) B63B 3/08(2006.01) B63G 8/06(2006.01) (52) Cooperative Patent Classification (CPC): B63G 8/06; B63B 3/08 (86) International application number: PCT/GB2022/052964 (87) International publication number: WO 2023/094805 (01.06.2023 Gazette 2023/22)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 25.11.2021 GB 202117020 (71) Applicant: BAE SYSTEMS plc London SW1Y 5AD (GB)	(72) Inventors: CLABBURN, Lawrence Edward Barrow-In-Furness Cumbria LA14 1AF (GB) RITCHIE, David Charles Alexander Barrow-In-Furness Cumbria LA14 1AF (GB) (74) Representative: BAE SYSTEMS plc Group IP Department  Victory Point Frimley Camberley, Surrey GU16 7EX Camberley, Surrey GU16 7EX (GB)