OVERVIEW: The S 31 Sabalo [Type 209-1300] is a diesel-electric attack submarine operated by the Venezuelan Navy. Commissioned in 1977, it represents a variant of the widely successful German Type 209 submarine design, specifically the 1300-ton variant.

DETAILS:
The Type 209-1300 design, developed by Howaldtswerke-Deutsche Werft (HDW), emphasizes a balance of affordability, reliability, and effectiveness in littoral waters and open ocean environments. The design incorporates a single-hull construction, pressure-resistant to considerable depths, optimized for quiet operation to reduce detection probability. The Type 209 family has proven to be one of the most successful export submarine designs in history, serving with numerous navies worldwide, with the 1300 variant being among the more popular. The longevity of the class speaks to its robust design and adaptability to various operational requirements and technological upgrades.

The primary roles of the S 31 Sabalo are anti-submarine warfare (ASW) and anti-surface warfare (ASuW). The submarine's design allows it to conduct clandestine patrols, monitor maritime traffic, and protect coastal waters. The vessel’s ability to operate quietly makes it a capable platform for gathering intelligence and conducting surveillance missions. Its torpedo armament allows for engagement of both surface and subsurface targets, providing a credible deterrent in its operational area.

The S 31 Sabalo's sensor suite is centered around the DUUX 2C and DUUA 2A sonar arrays, providing a comprehensive picture of the underwater environment for detection and tracking of potential targets. The ARUR 10 electronic support measures (ESM) system [identified as DR 2000U] allows for the detection and analysis of radar emissions from surface vessels and aircraft, enhancing situational awareness. The DRUA 33C Calypso III radar [identified as TRS 3100] further contributes to surface search and navigation capabilities. The DSUV 2H Doppler velocity log provides accurate speed and navigational data. Two periscopes, one optical and one equipped with a low-light television (LLTV) camera, allow for visual observation and targeting in both day and night conditions. A generic acoustic intercept system is also fitted, allowing for monitoring of 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: 533mm TT || 533mm TT