**OVERVIEW:** The S 41 [Type 209-1400] is a diesel-electric attack submarine operated by the Egyptian Navy. This variant represents a modernised iteration of the proven Type 209 design, offering enhanced sensor capabilities and improved operational endurance compared to earlier versions. Commissioned in 2017, it represents a significant upgrade to Egypt's submarine force.

**DETAILS:** The Type 209 submarine design has a long and successful history, serving with numerous navies worldwide due to its reliability and adaptability. The Type 209-1400 variant builds upon this foundation, incorporating advancements in sonar, fire control, and propulsion technology. The design emphasizes stealth, achieved through a streamlined hull form, acoustic dampening measures, and a low-noise propulsion system. The Egyptian Navy's acquisition of these submarines signifies a commitment to maintaining a credible subsurface warfare capability and protecting its maritime interests in the Mediterranean Sea and Red Sea regions. The Type 209-1400 represents a potent and cost-effective solution for nations seeking to modernize their submarine fleets.

The primary role of the S 41 is anti-submarine warfare (ASW), anti-surface warfare (ASuW), and intelligence, surveillance, and reconnaissance (ISR) operations. Its powerful sonar suite allows it to detect and track both surface vessels and submarines at considerable ranges. The vessel’s torpedo armament provides a significant offensive capability against enemy warships and submarines. Furthermore, the S 41 can be deployed for covert surveillance missions, monitoring maritime traffic, and gathering intelligence in strategically important areas. The submarine's endurance allows for extended deployments away from its home port, enhancing its operational flexibility.

The S 41’s advanced sensor suite is centered around the FAS 3-1 sonar, providing long-range detection and classification capabilities. The Porpoise sonar likely serves as a mine avoidance system. The S 63B fire control system integrates sensor data and provides accurate targeting solutions for its torpedo armament. The CSU 90 hull-mounted sonar provides a broad spectrum of acoustic information, while the CSU 90-2 flank array offers enhanced detection of quiet submarines, particularly in littoral environments. The IPS CSU 90 system likely refers to an integrated processing system for the sonar suite, improving overall performance. The MAS 90 is a passive ranging sonar, enhancing stealthy operation. The OMS 100 / SERO 400 periscope suite provides both visual and electronic observation capabilities, allowing for surface surveillance and navigation. The Signal Ejector allows for the launching of countermeasures and communication buoys, further enhancing the submarine’s survivability and communication capabilities.

**SPECIFICATION:** Length: 61.2 m || Beam: 6.3 m || Draft: 5.5 m || Disp: 1454 t

**SENSORS:** FAS 3-1 || Porpoise || S 63B || CSU 90 Hull || CSU 90-2 Flank || IPS CSU 90 || MAS 90 || OMS 100 / SERO 400 Periscope Suite

**ARMAMENT:** 533mm TT || Signal Ejector