선박 소유주가 항구 이용 시 발생하는 각종 세금과 제반 비용을 부담하는 해운 용어.
A commercial shipping term standing for 'Steamer Pays Dues,' which stipulates that the vessel owner is liable for port taxes and fees.
예문:
"The freight rate was adjusted because the shipment was handled under SPD terms."
"Most bulk carriers prefer SPD clauses when operating in international waters."