Port Tack
Sea Terms
A square-rigged vessel is on the port tack when the port tacks of her courses are inboard, or any vessel is on the port tack when the wind is blowing on the port side of the ship.
A square-rigged vessel is on the port tack when the port tacks of her courses are inboard, or any vessel is on the port tack when the wind is blowing on the port side of the ship.