He had over 40 years of experience at sea , and had traveled the route before .
The ship was commanded by 69 - year - old Captain Lee Joon - seok , who had been brought in as a replacement for the regular captain .
Lee Joon - seok had over 40 years of experience at sea , and had traveled the route before .
The ship was commanded by 69 - year - old Captain Lee Joon - seok , who had been brought in as a replacement for the regular captain .