🔍 Key Concepts

• 46 CFR Part 109 – especially the sections on tests and inspections for mobile offshore drilling units (MODUs) • The difference between how long logs/records must be kept on board versus how often inspections are performed • Requirements for retaining firefighting equipment test records as part of the official log or safety records

💭 Think About

• Look up the specific CFR section that discusses fire-detection and fire-extinguishing systems on MODUs and see what it says about recordkeeping duration, not just inspection frequency. • Ask yourself whether the regulation ties the record-keeping period to a fixed time (months/years) or to an event like the next inspection for certification. • Compare what is typically required for critical safety equipment (like firefighting systems) versus less critical equipment—does that push the retention period shorter or longer?

✅ Before You Answer

• Verify in 46 CFR Part 109, Subpart C or D where it discusses tests and inspections of firefighting equipment and related records. • Confirm whether the regulation uses language such as "for at least X years", "until the next inspection", or another specific time frame. • Make sure you are focusing on records of tests and inspections, not on the interval between tests.