The vessel's country of registry may collect data on casualties that occur on foreign flag vessels outside the United States. Lloyds register of shipping also collects information on casualties to vessels engaged in foreign commerce. Verification and Validation Verification and validation occurs at several levels. Edit checks within MSIS can detect some incorrect or missing data and force review and correction before data entry is completed. Pick lists for certain data fields also reduce the opportunity for data entry error.
All investigations go through one level of review at the unit for accuracy.
Investigations of serious marine casualties are also usually reviewed at District and Headquarters. The Data Administration staff conducts periodic quality control checks to identify entry errors such as missing data or miscoding. Either the Data Administration staff or the Investigations and Analysis staff corrects any errors identified. The planning staff reviews each investigation involving the loss of a vessel before it is included in the G-M Business Plan measures. Errors identified are referred to either the Data Administration staff or the Investigations and Analysis staff for correction.