Trinity House, the General Lighthouse Authority for England, Wales and the Channel Islands, have given notice that from 1100 UTC on 31 December 2015, it will discontinue the Initial Operational Capability (IOC) prototype/trials of Enhanced LORAN (eLORAN) in the waters of the United Kingdom and Ireland.

Mariners have been advised that from 1100 UTC on 31 December 2015 all currently equipped eLORAN and LORAN-C receivers in northwest Europe will cease to function correctly and such receivers should be switched off until further notice.