The vessel continued to turn slowly to port as it approached the berth, now at a speed of 3.2 knots. The vessel’s rate of turn had noticeably slowed, and the vessel’s speed had increased to 2.7 knots. Shortly after, the pilot noticed visually and on the PPU that the vessel’s approach trajectory had changed the predicted trajectory was no longer parallel to the berth as planned, but would result in contact with the berth. The vessel completed half of its turning circle toward the berth. The pilot then asked the Master to reduce speed. At one point the pilot ordered hard to port and the bow thruster to full port. As the vessel approached the berth it was necessary to turn the vessel to port. From his position, the Master was able to see the ECDIS display. The pilot was monitoring his Portable Pilot Unit (PPU) and providing helm orders to the helmsman and propulsion orders to the Master. Given these conditions, and that it was daylight with good visibility, it was decided that no tugs were needed for the berthing. There was a flood current of between one and two knots, with very light winds in the same direction as the flood current. The pilot explained his berthing plan to the Master and the Master informed the pilot of the vessel’s manoeuvring particularities, among other things that the vessel was equipped with a left-handed controllable-pitch propeller. The Master and a helmsman were on the bridge. A bulk carrier was approaching its assigned berth under pilotage.
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