ETA, ETB, ETC, ETD, ETS, ETR

ETA - Estimated time of arrival , 입항 예정시각

ETB - Estimated time of berthing  접안 예정시각

ETC - Estimated time of completion, 하역완료예정시각

ETD - Estimated time of depature 출항 예정시각

ETS- Estimated time of sailing 출항예정시각

ETR- Estimated time of Readiness 하역준비완료 예정시각