Witherby Publishing Group
Witherbys is the leading publisher of operational guidance and technical standards for the shipping industry.
SEA RANGER Drydock 2025
Introducing SEA RANGER
ECDIS Procedures Guide, 2025-2026 Edition - Volume 2
ECDIS Procedures Guide, 2025-2026 Edition - Volume 1
ECDIS Procedures Guide – 2025–2026 Edition
Available Now! Mates/Masters Orals – COLREGs Questions, First Edition
Out Now! Chief Mate/Master Unlimited: Orals Notes (Macneil's Seamanship Examiner, 1st Edition: 2025)
Witherby Connect Export/Import Tool
Witherby Connect Annotation Tools
Witherby Connect Offline Mode and Ship Inspection
Witherby Connect Library Search
Out Now! Drug Trafficking and Drug Abuse On Board Ship, 2025–2026 Edition
Just Published! Maritime Security – Second Edition
2024 End of Year Wrap Up | Witherbys
Out Now! Passage Planning Guide - Straits of Malacca and Singapore (SOMS) (2025-26 Edition)
Nick Lambert Discussing the ECDIS Procedures Guide – 2024–2025 Edition
Mark Broster Discussing the ECDIS Procedures Guide – 2024–2025 Edition
Debbie Hull Discussing the ECDIS Procedures Guide – 2024 2025 Edition