Tuesday, April 28, 2026

The Indonesian Navy (TNI-AL) has begun operating Autonomous Submarines (KSOT)

 The Indonesian Navy (TNI-AL) has begun operating Autonomous Submarines (KSOT) as part of its underwater defense modernization. Indonesia is the fourth country in the world capable of producing this technology independently, after the United States, Russia, and China.

Here are the key details about Indonesia's autonomous submarines:

1. Main Model: KSOT-008

This prototype was fully developed by PT PAL Indonesia and was first widely unveiled at the 80th anniversary of the TNI on October 5, 2025.


Production: Designed and built 100% by domestic engineers, from design to software.

Entering Operations: Underwent a series of technical trials, including a successful torpedo firing test in the waters off Surabaya in late 2025.


Mass Production Target: The Ministry of Defense is targeting the acquisition of 30 KSOTs by 2026 to strengthen strategic chokepoints in Indonesian waters.


2. Advantages & Technology

The KSOT is designed as a "force multiplier" that can operate independently or alongside manned submarines.


Artificial Intelligence (AI): Supported by AI technology, it can operate autonomously, make decisions underwater without communication signals, and conduct surveillance missions.

Armament: Equipped with the Piranha lightweight torpedo launching system (324 mm caliber) or other torpedo missile variants for offensive missions.

Remote Control: Can be remotely controlled from a distance of over 320 km via the Autonomous Submarine Command Center.

3. KSOT-008 Technical Specifications

Dimensions: Length 15 meters, Width 2.2 meters

Weight: Approximately 37.28 tons

Speed: Maximum 20 knots

Endurance: Capable of submersion/operation for up to 72 hours

Range: Up to 200 nautical miles (approximately 370 km)


The KSOT is intended to improve operational efficiency, particularly during routine maritime patrols, to conserve fuel and minimize risks to personnel in vulnerable areas.

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