Guidelines for Multi-system Shipborne Radionavigation Receivers Dealing with the Harmonized Provision of PNT Data

In the paper the Authors present draft Guidelines for Shipborne Position, Navigation and Timing Data Processing elaborated by the International Maritime Organization (IMO) [1]. The purpose of these Guidelines is to enhance the safety and efficiency of navigation by improved provision of position, navigation and timing (PNT) data to bridge teams (including pilots) and shipboard applications (e.g. AIS, ECDIS, etc.). The shipborne provision of resilient PNT data is realized through the combined use of on-board hardware and software components. The shipborne PNT Data Processing (PNP-DP) is the core repository for principles and functions used for the provision of reliable and resilient PNT data. These Guidelines define principles and functions for on-board PNT data processing taking into account the scalability of PNT-DP. Within the e-Navigation strategy the IMO has identified the user need on improved reliability, resilience and integrity of bridge equipment and navigation information as one of the five prioritized e-Navigation solutions, whereby the resilient provision of PNT data acts as Risk Control Option.