OVERVIEW: The S 101 Shyri [Type 209-1300] is a diesel-electric submarine operated by the Ecuadorian Navy. Commissioned in 1984, the Shyri represents a key component of Ecuador's underwater defense capabilities.

DETAILS:
The Type 209-1300 submarine, of which the Shyri is a member, was designed and built by Howaldtswerke-Deutsche Werft (HDW) of Germany. The Type 209 was conceived as an export-oriented, relatively affordable, and highly capable submarine platform intended to fulfill a wide range of roles for navies around the world. The design emphasizes simplicity, reliability, and ease of maintenance, making it suitable for nations with limited infrastructure and technical expertise. The Type 209-1300 variant incorporates improvements over earlier versions, including enhanced sensor suites and increased operational endurance. The Shyri's procurement represented a significant upgrade to Ecuador's naval power projection capabilities during the 1980s.

The Shyri's primary roles encompass anti-submarine warfare (ASW), anti-surface warfare (ASuW), and maritime surveillance. While not specifically designed for anti-air warfare (AAW), its advanced sensors contribute to situational awareness, allowing it to avoid potential aerial threats. In an ASW role, the submarine would utilize its sonar systems to detect and track enemy submarines, potentially employing torpedoes for engagement. For ASuW missions, the Shyri is capable of targeting surface vessels, including warships and merchant ships, with torpedoes. The vessel’s periscopes and electronic support measures also facilitate intelligence gathering and monitoring of maritime activity within Ecuador's Exclusive Economic Zone (EEZ).

The S 101 Shyri is equipped with a comprehensive sensor suite enhancing its operational effectiveness. The DUUX 2C and DUUA 2A sonars provide active and passive detection capabilities, crucial for ASW operations. The ARUR 10 [DR 2000U] electronic support measures (ESM) system allows the Shyri to detect and analyze radar emissions from surface vessels and aircraft, providing valuable intelligence and early warning. The DRUA 33C Calypso III [TRS 3100] radar adds further surface detection capabilities. The DSUV 2H sonar system enhances navigation and obstacle avoidance. Optical periscopes, incorporating Low Light TV (LLTV) technology, facilitate visual observation in both daylight and low-light conditions. The presence of a Generic Acoustic Intercept system suggests the capability to monitor underwater communications.

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