MAIB: Cruise Ship Anchor Failures Publications Steamship Mutual Published: April 01, 2021 Contact author Download article pdf   Multiple cruise ship anchor failures during autumn/winter 2020-21 Image The Marine Accidents Investigation Branch (MAIB) has been made aware of several marine incidents off the UK south coast where cruise ship anchors and anchor cables have failed. Further details and safety lessons can be found in the  MAIB Safety Bulletin issued March 2021.