The alert was commissioned on March 11, 2004, together with the two multi-purpose vessels NLV Pharos and THV Galatea , from Remontowa in Gdansk . The order volume for the three ships was £ 38 million . The new building was built on the belonging to Remontowa Northern Shipyard and ran there on 11 October 2005 from the stack . One day after its delivery on April 10, 2006, the Alert started its transfer trip to Harwich , the headquarters of Trinity House. The ship is stationed on the south-east coast of England in order to be able to react immediately to shipping accidents in the English Channel and the Strait of Dover .