On 24 January 2002, while her divers were searching for a 500 lb bomb in Gibraltar, she was approached by the Spanish patrol boat Conejera, which refused to leave when asked by the crew of HMS Ranger, claiming they were in Spanish waters.[citation needed] At 2am on 29 September 2004 the 480-ton craft lost power and drifted into the Duchess M ferry (Gravesend to Tilbury), owned by the Lower Thames and Medway Passenger Boat Company in Gravesend, also damaging their Princess Pocahontas.