According to the 46 CFR regulations...

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Question 1 of 2066636eee28f7522a1c51e495

According to the 46 CFR regulations applicable to tests, drills, and inspections for mobile offshore drilling unit operations, for a self-propelled MODU, how often must the steering gear, whistle, general alarm bells, and communications between the bridge or control room and the engine room be tested while the MODU is on station?

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Question 1 of 20

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🔍 Key Concepts

• 46 CFR Part 109 – Operations of Mobile Offshore Drilling Units (tests, drills, and inspections) • Difference between on-station operational checks and less frequent formal inspections • Why steering gear and alarms need more frequent testing than structural or major equipment surveys

💭 Think About

• Ask yourself: when a MODU is on station and potentially exposed to weather/sea conditions, how often would the Coast Guard likely require operational safety systems (steering, alarms, communications) to be function-tested? • Compare the answer choices to the typical frequency used elsewhere in 46 CFR for operational tests of critical systems on vessels and MODUs. • Think about which of these systems (steering gear, whistle, general alarm, bridge–engine room communications) are emergency/safety critical and whether they would logically be checked only monthly or quarterly.

✅ Before You Answer

• Look up the exact wording in 46 CFR Part 109, Subpart C – Tests, Drills, and Inspections for self-propelled MODUs "while on station". • Confirm that the regulation groups steering gear, whistle, general alarm bells, and communications together and states they must be tested at least [frequency]. • Make sure you’re not confusing this with other required drills (like abandon ship or fire drills) that may have a different required frequency.

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