OVERVIEW: The S 101 Shyri [Type 209-1300] is a diesel-electric submarine of the Type 209-1300 class, currently operated by the Ecuadorian Navy. Commissioned in 1978, it represents a standard configuration of this widely exported submarine design.

DETAILS:
The Type 209 is a class of diesel-electric attack submarines developed by Howaldtswerke-Deutsche Werft (HDW) of Germany. The Type 209-1300 variant represents an improved iteration in the series, featuring enhanced capabilities compared to earlier models. The design emphasizes a balance of affordability, reliability, and effectiveness in anti-submarine warfare (ASW) and anti-surface warfare (ASuW) roles. The widespread adoption of the Type 209 by numerous navies globally reflects its proven track record and adaptability to diverse operational environments. The design prioritizes a streamlined hull form for optimal underwater performance, a robust internal layout for ease of maintenance, and a flexible sensor and weapon suite to meet specific customer requirements. The selection of the Type 209 by Ecuador reflects its suitability for coastal defense and maritime patrol operations within the region.

The primary roles of the S 101 Shyri are ASW and ASuW, with a secondary capability for intelligence gathering and covert operations. The submarine's operational profile likely includes patrol missions within Ecuador's exclusive economic zone (EEZ), participation in multinational exercises, and contribution to maritime domain awareness. The Shyri's diesel-electric propulsion system provides a balance between submerged endurance and operational range, while its relatively small size enhances maneuverability in littoral waters. The vessel's sensor suite is tailored for detection and tracking of both surface and subsurface targets, enabling effective engagement in a variety of tactical scenarios.

The S 101 Shyri’s sensor suite allows for a comprehensive situational awareness picture. The DUUX 2C and DUUA 2A sonars provide active and passive detection capabilities. The ARUR 10 [DR 2000U] intercept receiver facilitates electronic intelligence gathering, identifying and classifying enemy radar emissions. The DRUA 33C Calypso III [TRS 3100] radar provides surface search and navigation capabilities. The DSUV 2H sonar enhances underwater communication. The installation of Generic Acoustic Intercept equipment adds to the submarine's passive detection capabilities, allowing it to identify and classify potential threats based on their acoustic signatures. Twin Generic Submarine Periscopes, one optical and one equipped with LLTV (Low Light Television), provide visual and enhanced low-light observation capabilities. The Shyri is equipped with 533mm torpedo tubes, capable of launching a variety of torpedoes suitable for engaging both surface ships and submarines. The Signal Ejector allows for the launch of countermeasures and decoys.

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

SENSORS: DUUX 2C || DUUA 2A || ARUR 10 [DR 2000U] || DRUA 33C Calypso III [TRS 3100] || DSUV 2H || Generic Acoustic Intercept || Generic Submarine Periscope, Optical || Generic Submarine Periscope, LLTV

ARMAMENT: Signal Ejector || 533mm TT