OVERVIEW: The S 318 Kobben [Type 207] is a diesel-electric submarine operated by the Norwegian Navy. Commissioned in 1978, it represents a proven and effective design for littoral operations, anti-submarine warfare, and intelligence gathering.

DETAILS: The Type 207 submarine was developed in West Germany during the Cold War, primarily intended for export to smaller NATO navies and allies. The design emphasizes simplicity, reliability, and affordability, while retaining a high degree of operational effectiveness. The Kobben class, as these submarines were designated in Norwegian service, were initially acquired to bolster Norway’s coastal defense capabilities and counter Soviet naval activity in the strategically important Norwegian Sea and its fjords. They were designed to be difficult to detect in shallow waters, employing a relatively small size and quiet propulsion system. The Kobben class represented a significant upgrade to Norway's submarine fleet at the time, offering enhanced sensor capabilities and improved crew comfort compared to earlier designs. Subsequent modernization programs sought to extend the operational lifespan of these vessels, incorporating updated electronics and sensor systems.

The primary role of the S 318 Kobben is anti-submarine warfare (ASW), conducting patrols in the Norwegian Sea and fjords to detect and track potentially hostile submarines. The vessel is also capable of anti-surface warfare (ASuW), utilizing its torpedo armament against surface combatants. Furthermore, the submarine's sensor suite allows for effective intelligence gathering, monitoring maritime activity and providing valuable information to naval command. The installation of the THD 1030 Calypso II surface search radar enables the detection of surface contacts, while the AN 407 passive ranging sonar enhances its ASW capabilities by providing long-range detection of submerged targets. The Generic Acoustic Intercept system allows the submarine to monitor and analyze enemy sonar emissions, further enhancing its situational awareness.

The S 318 Kobben's operational effectiveness is significantly enhanced by its sensor suite and armament. The EDO 1525 sonar provides active and passive detection capabilities, facilitating target classification and tracking. The Generic Submarine Periscope (Optical) and Generic Submarine Periscope (LLTV) provide visual reconnaissance capabilities, especially crucial in littoral environments. The M1H sonar, likely of indigenous Norwegian design or modification, further enhances ASW performance. The 533mm torpedo tubes provide the submarine with a potent offensive capability against both surface and subsurface targets. Although a relatively small submarine, the Type 207 is a capable and versatile platform, well-suited to the challenging operational environment of the Norwegian coastline.

SPECIFICATION: Length: 47.2 m || Beam: 4.7 m || Draft: 3.8 m || Disp: 435 t

SENSORS: M1H || THD 1030 Calypso II || Generic ESM [Average] || AN 407 || Generic Acoustic Intercept || EDO 1525 || Generic Submarine Periscope, Optical || Generic Submarine Periscope, LLTV

ARMAMENT: 533mm TT || 533mm TT