Drilling operations are being conducted by R/V Furgo Scout at the Bosphorus Strait, affecting international vessel traffic. Vessels with LOA more than 150 m and draft above 10 m are not allowed to pass through the Strait without pilot. For vessels with LOA above 200 m passing the Strait during night is prohibited. All vessels navigating in the area are requested to take all necessary pre-cautions and follow all instruction given by VTS Istanbul. Drilling operations are expected to be finished by 26th August 2017.