This Marine Safety Advisory is being promulgated to underscore the importance of ensuring awareness of the requirements for completing, verifying, and submitting Republic of the Marshall Islands (RMI) Form MSD 340, Critical Items Checklist, and ensuring that it accurately reflects the status of the critical items, particularly the Quick Closing Valves (QCVs) and other items that may lead to an unsafe condition onboard an RMI-flagged ship.