OVERVIEW: The S 101 Shyri [Type 209-1300] is a diesel-electric powered submarine operated by the Ecuadorian Navy. Commissioned in 2014, it represents a modern iteration of the proven Type 209 submarine design, specifically the 1300 variant.

DETAILS: The Type 209 submarine, developed by Howaldtswerke-Deutsche Werft (HDW) of Germany, is one of the most successful and widely exported submarine designs in history. The 209-1300 variant represents a mid-sized iteration, balancing operational range, endurance, and advanced sensor capabilities. The design emphasizes simplicity, reliability, and cost-effectiveness, making it attractive to navies with varying operational requirements and budget constraints. The Type 209's modular construction facilitates customization and upgrades throughout its service life. The S 101 Shyri, as a relatively recent build, likely incorporates advancements in noise reduction, automation, and electronic warfare capabilities compared to earlier Type 209 variants. The Ecuadorian acquisition of this submarine significantly enhances its naval capabilities and maritime patrol effectiveness.

The Shyri's primary roles encompass anti-submarine warfare (ASW), anti-surface warfare (ASuW), and maritime patrol. Its diesel-electric propulsion system allows for extended submerged operations, while its sensor suite enables effective target detection and tracking in various underwater environments. The submarine’s relatively compact size makes it well-suited for operations in coastal waters and confined sea lanes. The Shyri would likely conduct patrols to protect Ecuadorian territorial waters, monitor maritime traffic, and deter potential threats. The platform also represents a valuable asset for intelligence gathering and special operations support, enhancing Ecuador's overall maritime security posture.

The S 101 Shyri's sensor suite is designed for comprehensive underwater surveillance. The installation of the TRS 3110 Calypso IV radar (designated DRUA 33) provides surface search and navigation capabilities. The ARUR 10 radar (designated DR 2000U) likely supports electronic support measures (ESM), detecting and analyzing enemy radar emissions. The TSM 2233M Scylla sonar system (comprising DSUV 2H passive ranging sonar and DUUA 2D active sonar) forms the core of the submarine's underwater detection capability, enabling long-range detection and classification of surface and subsurface targets. The TSM 2243 fire control system is integrated with the sonar suite to provide targeting solutions for its torpedo armament. Equipped with both Optical and LLTV (Low Light Television) submarine periscopes, the S 101 Shyri benefits from visual and enhanced night vision capabilities for surface surveillance and navigation.

SPECIFICATION: Length: 59.5 m || Beam: 6.2 m || Draft: 5.5 m || Disp: 1265 t

SENSORS: TRS 3110 Calypso IV [DRUA 33] || ARUR 10 [DR 2000U] || TSM 2233M Scylla [DSUV 2H + DUUA 2D] || TSM 2243 || Generic Submarine Periscope, Optical || Generic Submarine Periscope, LLTV

ARMAMENT: Signal Ejector || 533mm TT