over the next month by attaching a hawser to the towing eye on the bow or wrapping steel hawsers around her hull, but her stern was too deeply embedded in the mud and the hawsers parted without pulling her out. She lies today where she sank, buried up to her waterline in a flat, mud seabed in about of water. In 2001, she was declared as one of 16 wrecks in British waters designated as "Controlled Sites" under the Protection of Military Remains Act by the British Government and which cannot be dived without special permission. In 2014 the SHIPS Project team in Plymouth completed an archaeological investigation of the A7 submarine, having been granted a licence by the UK Ministry of Defence. Notes References External links MaritimeQuest HMS A-7 Pages HMS A-7 Roll of Honour SI 2008/950 Designation under the Protection of Military Remains Act 1986 'Submarine losses 1904 to present day' - Royal Navy Submarine Museum The A7 Project - an archaeological investigation of HM submarine A7 A-class submarines (1903) Protected Wrecks of the United Kingdom 1914 disasters in the United Kingdom British submarine accidents Shipwrecks in the English Channel Maritime incidents in January 1914 Ships built in Barrow-in-Furness Royal Navy ship names 1905 ships