The Performance Standards for Shipborne Radiocommunications and Navigational Equipment, 2020 edition provides mariners, Administrations, shipowners and manufacturers with new and revised standards for the safe and secure communication and navigation of ships. Under resolution A.825(19), and its superseding resolution A.886(21), the adoption of performance standards, as well as their amendments, has been performed by the Maritime Safety Committee on behalf of the International Maritime Organization. The present edition includes consolidated updates and new requirements adopted up to October 2020, in particular, in the areas of: