According to a tweet published by Navantia on December 23, 2022, after the work carried out during its drydocking, the submarine Isaac Peral is back afloat to continue its next port and sea trials.
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S-80 Plus-class submarine Isaac Peral at Cartagena shipyard. (Picture source: Navantia)
The S-80 Plus class (or Isaac Peral class) is a Spanish class of four submarines—late-1990s design, initial production order in 2003, redesign/rebuild mid-2010s, and currently in production—being built by the state-owned Spanish company Navantia at its Cartagena shipyard for the Spanish Navy. In common with other contemporary submarines, they feature air-independent propulsion.
They are oceanic submarines of medium tonnage with the capacity to carry out long-duration missions in scenarios far from their base, acting with a minimum level of indiscretion.
They will have an integrated platform control system that allows operation with a reduced endowment[clarification needed] and a high degree of automation with remote control. The characteristics of this class of ships place them at a level close to those of nuclear propulsion.
The lead boat in the class, the Isaac Peral, the first unit in the series, was launched by King Felipe VI and his daughter, Princess Leonor, heir to the throne, on 22 April 2021 at the Cartagena shipyards, with plans to enter service in 2023, after originally being targeted for 2011. The remaining three boats are slated to be delivered in 2024, 2026, and 2028.
The Integrated Combat System Core (ICSC) is called VC 9.0 SCA. The ICSC provides set of weapons and sensors of the combat system with an optimal management of the command and control center, allowing to acquire, evaluate and present all the necessary information for the offensive, defensive, or intelligence-gathering actions at each moment.
The submarine is fitted with active and passive sonars with accurate electromagnetic detection systems. The submarine can communicate via Link-11 and Link-22 data links.
The S-80's air-independent propulsion (AIP) system is based on a bioethanol processor consisting of a reaction chamber and several intermediate Coprox reactors.
Provided by Hynergreen from Abengoa, the system transforms the bioethanol (BioEtOH) into high-purity hydrogen. The output feeds a series of fuel cells from UTC Power company.
