

Challenger

Outfit Management

Compass Adjusting & Repairs

Paper Charts & Publications

Auto Routeing

Challenger Shield

Electronic Navigation

Digital Publications

Team

Partners
Total Navigation Solutions
Efficient. Simplistic. Evolutionary.
A trusted and reliable partner for all your navigational requirements is Poseidon Navigation Services. The company opened doors in 2014 and is owned and run by Thomas Gunn, an industry leader with over 40 years’ maritime experience.
While evolving with the demands of the navigation world, PNS Ltd can offer a variety of digital solutions starting with our very own Challenger software which provides weekly updates, voyage planning tools and instant licensing, ChallengerShield for cyber security on the Bridge, ADMIRALTY Digital Publications (ADP), ADMIRALTY Electronic Nautical Publications (AENP), ADMIRALTY Vector Chart Service (AVCS), Witherby Connect & IMO digital titles… the list goes on.
As well as migrating with the times we believe that tradition should continue to be supported where customers still rely on good old-fashioned paper charts and publications. Providing bespoke services to our clients sets us apart from the rest.

Latest News
Imray POD charts now available
We are proud to announce that Poseidon has been appointed by Imray, Laurie, Norie and Wilson Ltd to distribute Imray Nautical charts with the ability to POD their most popular charts on site for fast and efficient despatch. Imray, Laurie, Norie and Wilson Ltd was...
OUT NOW International Medical Guide for Seafarers and Fishers
When a seafarer or fisher becomes sick or is injured at sea, it is up to one of their fellow crew members to provide medical relief until professional medical services can be reached. This person will have had limited medical training on shore, as required under the...
New Edition Week 15
UKRAINE NAVIGATIONAL INFORMATION Owing to insufficient information, it is not always possible to ensure that ADMIRALTY Nautical Publications are completely up-to-date for new dangers or changes to aids to navigation. Mariners are therefore advised to exercise...