(19)

(11)

EP 4 823 914 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24821503.0 (22) Date of filing: 02.12.2024

(51) International Patent Classification (IPC):  B63B 19/16(2006.01) B63B 73/43(2020.01) B63B 73/60(2020.01) B63B 19/24(2006.01) B63B 73/40(2020.01) (52) Cooperative Patent Classification (CPC): B63B 73/43; B63B 73/49; B63B 73/60; B63B 2019/245; B63B 19/16; B63B 19/24 (86) International application number: PCT/GB2024/053010 (87) International publication number: WO 2025/125776 (19.06.2025 Gazette 2025/25)

(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: GE KH MA MD TN (30) Priority: 15.12.2023 AU 2023904069 (71) Applicant: BAE SYSTEMS plc London SW1Y 5AD (GB)	(72) Inventor: GENT, Thomas Robert North Osborne, South Australia SA 5017 (AU) (74) Representative: BAE SYSTEMS plc Group IP Department  Victory Point Frimley Camberley, Surrey GU16 7EX Camberley, Surrey GU16 7EX (GB)