Free Alongside Ship means that the seller delivers when the goods are placed alongside the vessel (e.g. at a quay or on a barge) in the named port of shipment. The risk of loss or damage to the goods passes when the goods are alongside the vessel. The buyer shall bear all costs from that point on.

This term is related to Incoterms. Global Freight Connections Limited have provided more information HERE (“here” will linked to the GFC Incoterms)