OVERVIEW: The Gal [Type 540, Type 206 Mod] is a diesel-electric submarine operated by the Israeli Navy, commissioned in 1988. The class represents a modified variant of the German Type 206 design, adapted to meet the specific operational requirements of the Israeli Navy.

DETAILS:
The Gal-class submarines were conceived in the mid-1970s as a response to the need for a more advanced and capable submarine force within the Israeli Navy. Unable to procure submarines directly from Germany due to political sensitivities at the time, Israel contracted Vickers Shipbuilding and Engineering in the United Kingdom to construct the vessels based on the proven Type 206 design. The design was modified to incorporate Israeli-specific electronics, sensors, and weapons systems, resulting in a submarine optimized for operations in the relatively shallow and littoral waters of the Eastern Mediterranean. The Type 540 designation reflects these substantial modifications, representing a distinct iteration from the baseline Type 206. Three Gal-class submarines were built, forming the backbone of the Israeli submarine fleet until the arrival of the Dolphin-class submarines.

The Gal-class was primarily designed for anti-submarine warfare (ASW) and anti-surface warfare (ASuW) operations. Their relatively small size and quiet operation made them ideally suited for covert surveillance and intelligence gathering missions in contested waters. Although not designed for anti-air warfare (AAW), their ability to operate undetected allowed them to effectively disrupt enemy naval operations. The 533mm torpedo tubes are the primary offensive armament, allowing engagement of both surface combatants and enemy submarines. The installation of the EDO 1110 sonar system provides a capable passive and active sonar suite for target detection and tracking.

The Gal-class submarine's sensor suite reflects its emphasis on covert operations and littoral warfare. The CSU 3-4 and IPS CSU 3 integrated sonar systems offer enhanced passive detection capabilities, crucial for remaining undetected in busy shipping lanes. The EDO 900 series hull-mounted sonar provides additional active and passive detection capabilities. The Type 1006(1) [KH 19/9A] radar, likely a navigational radar, allows for safe surface transit and provides surface contact detection. The Timnex 4CH(V)1 electronic support measures (ESM) system allows for the detection and analysis of radar emissions from surface vessels and aircraft, providing valuable situational awareness. Two periscopes are fitted, one optical and one with low-light television (LLTV) capabilities, allowing for visual surveillance and target identification in a variety of lighting conditions.

SPECIFICATION: Length: 48.6 m || Beam: 4.6 m || Draft: 4.5 m || Disp: 450 t

SENSORS: CSU 3-4 || EDO 1110 || Type 1006(1) [KH 19/9A] || Timnex 4CH(V)1 || IPS CSU 3 || EDO 900 || Generic Submarine Periscope, Optical || Generic Submarine Periscope, LLTV

ARMAMENT: 533mm TT || 533mm TT