The T2 tankers were built that way because the demand for gearboxes for Naval steam turbines was so great. I only briefly sailed on one that had a whole new hull forward of the pump room and was in clean oil service. Cargo pumps starting with a mere click of a switch was a novelty.
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The similar one I sailed on, Texaco Saigon, still used a voice pipe between the deck and engine room for cargo pump orders. We started them in the engine room and the Mates stopped them when they wanted. Trying to hear what pump was required via a voice pipe was difficult so I used to start all four and the Mate would stop the ones he didn’t want. What a lovely cool engine room with no worn out cargo pump turbines spewing gland steam everywhere!
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I did
so steam pumps run from touch screens now or a phone app?
To go back to the original topic, i.e., Battery/Diesel Hybrid OSV; it looks like Chouest is joining the bandwagon. https://www.vesselfinder.com/news/19834-Chouest-Signs-First-Long-Term-Contract-to-Utilize-Battery-System-Aboard-US-Flagged-312-Class-PSV
One of the key features is it will allow the PSV to work on one generator in the 500-meter zone.
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