At 0555UTC on 18 November 2017, an FV in position 0156.0S 04923.0E (380NMs of the Somali Coast) reported that 1 skiff with 4 POB Approached the FV to 1000 yards. AST Fired warning shots and Skiff withdrew. FV is SAFE. Mariners are advised to exercise extreme caution when transiting this area.