Modifikasi kapal CPO tanker single hull terkait amandemen Annex 2 Marpol 73/78 tentang mualat berbahaya dan beracun = Modification of single hull cpo tanker ship relating to amendments Annex 2 of Marpol 73/78 about noxious liquid substances

Pengaturan tentang pembuangan minyak (discharge of oil) oleh kapal dalam Unclos '82, Marpol 73/78, CLC 1969 dan Fund di Selat Lombok dan Selat Makassar

Perancangan sistem keselamatan pada modifikasi kapal pengangkut ikan menjadi kapal penumpang barang (kasus km mitramas 6-400 gt) = Design of safety system in ship modification at fish carrier vessel to cargo passenger vessel (case km mitramas 6-400 gt)

Evaluasi penerapan sistem manajemen keselamatan pada kapal penumpang Ro-Ro = Evaluation of the safety management system implementation of Ro-Ro passenger ship

Desain sewage treatment plant kapal penumpang menggunakan sistem moving bed biofilm reactor (MBBR) (studi kasus : kapal penumpang PT Pelni di Pelabuhan Tanjung Priok = Passenger ship sewage treatment plant design with 9MBBR) technology ( case study : PT Pelni passenger ships in Tanjung Priok Harbour )