The purpose of this study was to determine the knowledge of emergency situations and the safety of the crew among marine engineering students and instructors of John B. Lacson Foundation Maritime University-Molo, Iloilo City. The data of this descriptive research were gathered using the interview method. The respondents of this study were the 30 randomly selected marine engineering instructors and students who had been on-board. The findings revealed that the most prevalent answers on emergency cases were the following: stop the spreading of casualty getting worse, follow the assigned task on the ship station bell, look for the bulletin board, attack the accident and report to the chief mate or chief engineer, assist the OIC and wait for further instruction. The breakage of cylinders of main engine which produces fire and heavy smoke in the engine room, fir on the engine room area, abandon ship, stop the engine, blackout, and man over board were the common situations occurred on board. The most common experiences on board were emergency drill, mechanical trouble in engine, abandon ship, electrical black out, and flooding.