EML Admiral Cowan (M313) is a Sandown-class minehunter. Formerly HMS Sandown, lead ship of her class of the Royal Navy, she is now an Estonian Navy ship. Renamed EML Admiral Cowan, she is the flagship of the Estonian Navy and part of the Estonian Navy's mine sweeping flotilla. Admiral Cowan is the lead vessel of the Estonian Navy Mineships Division and also the first of the three modernised Sandown class minehunters received.