It may have been pressure from mainland officials which led the Sheng Da to enter Kaohsiung under the cover of darkness as, when entering a harbor a night, a ship need not fly a flag.
或許因為大陸官方的壓力，首艘通航的盛達輪，選在混沌的夜色中進入高雄港，以夜間可不掛視覺標幟為由，並未掛上我國國旗。