2022-08-17 00:00:00 The Marine UMS checklist is an application for mariners and shipping companies created by mariner. With this application you can see all necessary checks which the DUTY officer has to check. You can add additional checks if you want. The app icon is from httpswww.flaticon.comfree-iconsconstruction-worker title=construction-worker iconsConstruction-worker icons c reated by Freepik - Flaticona