+44 (0) 1542 841245 Opening Hours: Mon to Fri 08:30 – 17:00 customerservices@poseidonnavigation.com

The Challenger software has been developed by Poseidon Navigation Services Ltd to provide the Mariner with a simple yet effective solution for receiving weekly Notices to Mariners and updated data for Charts, Publications official ENC’s and e-Publications.


  • ADMIRALTY Chart & Publication tracings and corrections
  • ADMIRALTY Notice to Mariners in electronic format
  • ADMIRALTY AVCS, AIO, ADP and e-NP updates
  • Ability to select and download ENC data, replacing the need for CD/DVD’s
  • Challenger Instant Licensing B2B Module (for AVCS cells & folios, ADP and e-NP)
  • Web Portal for shore based inventory management, tracking and B2B ordering
  • Route Planner with built in product catalogue, linked to B2B module
  • NAVAREA warnings for Worldwide coverage
  • Complete management facility including correction log with new edition alerts
  • Update files received weekly by e-mail or web synchronisation with our server
  • Customisable Backup Facility ensures data can easily be retrieved weekly/monthly
  • Comprehensive T&P report generator, tailored to specific needs of the navigator
  • 24/7 Technical Support Team