
Technical Specifications
Overview
RV Cirolana was a fisheries research vessel used by the Centre for Environment, Fisheries and Aquaculture Science and originally built for the Ministry of Agriculture, Fisheries and Food (United Kingdom). She was initially intended to replace the RV Ernest Holt operating in arctic waters around Bear Island (Norway) and Iceland, but following the Cod Wars spent most of her working life conducting fisheries surveys in the North Sea, Irish Sea and English Channel. For the first part of her career RV Cirolana was based in the fishing port of Grimsby, but after bridge and channel dredging work improved the depth, it was deemed acceptable to bring her to Lowestoft. Her engines etc were housed in a sound and vibration proof enclosure which was supported on many pneumatic dampers. She had main electric propulsion motors which powered the screws. All ancillaries were also damped using anti-vibration mountings. All this damping was aimed at reducing noise/vibrations through the superstructure to enable the ability to conduct acoustic surveys of fish populations . She was built in 1969, by Ferguson Shipbuilders, and delivered in 1970. She was placed out of service in approximately 2003 and replaced by RV Cefas Endeavour.
Composite Risk
Multiple adverse factors, or a hard ship-specific signal, lift this hull above the fleet norm.
A coverage-weighted blend of the single component we could read for this hull; the weights renormalise over only the components present, so a thin read is never inflated and a hull is never credited a “safe 0” for a signal it has no row for. This headline is flagged low-confidence (a thin or structural-only read) and should not be treated as a verdict. Higher means riskier. Derived in-house from government-open port-State-control, flag, sanctions and our own vessel data; weight it by the coverage above.
Commercial
Price it in the Route Planner between any two commercial ports: ballast and laden legs, two fuels at live bunker prices, port and canal costs, the weather on the way, and the TCE set against the market.

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