 On 24 February 1915 she was "en route" from Granton to Chatham carrying coal for naval bunkering when she was sunk by a mine in the Scarborough minefield that the German cruiser had laid during the raid on Scarborough, Hartlepool and Whitby on 15 December 1914.One crewmember was lost.SS "Hadley" was a 1,777 GRT coaster built by S.P.