Final answer:
If you notice a time discrepancy of more than +/- 5 minutes in the reporting "out and in" AIS, you should investigate the source of the discrepancy and report it to the authorities.
Step-by-step explanation:
If you notice a time discrepancy of more than +/- 5 minutes in the reporting "out and in" AIS (Automated Identification System), there are several actions required. Firstly, you should investigate the source of the discrepancy and try to identify any potential technical issues.
It is important to ensure that the AIS data is accurate and reliable for navigation and safety purposes. Additionally, you should report the discrepancy to the appropriate authorities or administrators so that they can take necessary action to rectify the issue.