Skripsi ini membahas mengenai pengaturan sewa guna-usaha dengan objek kapal di Indonesia serta dampak tidak diratifikasinya Konvensi Penahanan Kapal (Arrest of Ships) terhadap Lessor (Perusahaan Pembiahyaan Dalam Negeri) dan pengaruhnya terhadap perjanjian sewa guna-usaha. Penulis memperoleh kesimpulan bahwa dengan tidak diratifikasinya konvensi tersebut memiliki dampak yang cukup signifikan kepada Lessor serta berpengaruh terhadap kegiatan pembiayaan kapal melalui sewa guna-usaha di Indonesia. Ratifikasi atas Konvensi Penahanan Kapal merupakan suatu aspek legal dalam pembiayaan kapal melalui sewa guna-usaha, namun hingga saat ini ratifikasi atas konvensi tersebut masih belum terlaksana.

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This thesis discussed the regulation of the leasing of ship as well as the impact to the Lessor (National Finance Company) regarding to the Convention on the Arrest of Ships which has not been ratificated and the effect to the lease contract. Author concluded that ratification of the Convention on Arrest of Ships which has not been carried out since today have a significant impact to the Lessor as well as effects the transaction of ship financing through leasing in Indonesia. Ratification of the Convention on the Arrest of Ships plays as an important role as one the legal aspect in ship financing through leasing, but until today the ratification of the convention mentioned has not been carried out.