China’s Type 053H “Jianghu-Class” Warships: Old but Deadly Frigates Set to Boost Indonesia’s Naval Power

(DEFENCE SECURITY ASIA) — Indonesia’s reported plan to obtain up to seven Type 053H frigates from China would introduce a legacy Cold War warship class that, despite its age, still carries operational utility for maritime security and sovereignty missions across the sprawling Indonesian archipelago.

These vessels, displacing between 2,000 and 2,393 tons at full load depending on their exact variant, represent compact multi-role frigates optimised primarily for anti-surface warfare operations.

The length of the Type 053H ranges between 103 to 112 meters with a beam width of 10.8 to 12.4 meters, placing them in the size category suitable for operations in tight archipelagic chokepoints such as the Natuna Sea and the Malacca Strait.

Maximum speeds of 25 to 28 knots allow these frigates to intercept and shadow intruding warships, maritime militias, and illegal fishing vessels that routinely challenge Indonesia’s Exclusive Economic Zone (EEZ).

Range endurance of up to 7,000 nautical miles at economic cruising speed enables them to remain on distant patrols for up to 15 days without requiring resupply.

The ships typically operate with a complement of 168 to 200 crew, giving them the manpower needed for sustained maritime presence and boarding operations in grey-zone scenarios.

The Type 053H Indonesia is reportedly evaluating would most likely be the Jianghu-I or Jianghu-II variants, which remain the most widely available for transfer following gradual decommissioning by the People’s Liberation Army Navy (PLAN).

These specific versions possess anti-ship missile capability but have relatively basic anti-air warfare systems compared to modern multirole frigates.

Despite technological datedness, their hulls remain structurally sound, and their onboard diesel engines are known for reliability and economical maintenance—which is essential for TNI-AL’s extensive operating environment.

Their relevance persists because Indonesia needs numbers—not only modern ships—to maintain constant presence across 6 million square kilometres of maritime territory.

The Type 053H’s true value to Indonesia will depend on whether upgrades are included that enhance combat systems, sensors, munitions, and command networks to handle contemporary threats such as UAV swarm incursions and stand-off missile attacks.

Without modernization, these frigates are most effective in low-intensity missions, EEZ enforcement, and naval diplomacy deployments.

With modernization, they could become capable intermediate-tier surface combatants bridging the capability gap until next-generation frigates enter the fleet.

Armament Configuration: Strengths and Weaknesses for TNI-AL Operations

The Type 053H’s primary offensive capability lies in its anti-ship missile systems, frequently outfitted with HY-2 or C-801/802 anti-surface missiles depending on variant and upgrades.

These missile systems deliver engagement ranges of approximately 80 to 120 kilometres, giving TNI-AL deterrent reach against hostile surface combatants within Indonesia’s maritime jurisdiction.

Twin 100mm naval gun mounts form the principal naval artillery, capable of coastal bombardment, anti-ship engagements, and deterrent fire against non-compliant intruding vessels.

Secondary armament comprises multiple 37mm rapid-fire guns delivering close-range defensive fire against aircraft, fast attack craft, and unmanned systems.

The anti-submarine warfare (ASW) capability consists of depth charges or lightweight torpedo systems with limited underwater detection and prosecuting ability, unless enhancements are included under modernization work.

Early variants of the Type 053H lacked credible air defence and featured only rudimentary surface-to-air missile systems or none at all.

More capable late-model Jianghu variants incorporate HQ-61 short-range SAM launchers to deter helicopter and low-level aircraft threats within approximately 10 kilometres.

For Indonesia’s modern naval doctrine, this air defence limitation represents the largest operational weakness of the unmodified Type 053H in contested theatre environments.

Radar systems such as the Type 352 surface search radar and Type 343 fire control radar are functional but outdated, lacking the range resolution and threat discrimination necessary to detect low-observable and high-speed aerial threats.

The absence of contemporary electronic warfare (EW) and combat management systems limits integration into network-centric operations compared to modern Indonesian combatants such as Martadinata-class SIGMA frigates.

In summary, Indonesia is likely to receive frigates that are solid in anti-surface warfare, adequate for maritime security, yet vulnerable to modern missile threats unless upgrades are prioritised.

Why the Type 053H Still Matters for Indonesia’s Maritime Security Structure

Indonesia faces persistent strategic security challenges along its northern maritime frontier where intrusions by foreign vessels continue to escalate.

China’s paramilitary maritime presence near the Natuna Islands, supported by coast guard cutters and maritime militias, demands Indonesia station more surface vessels for deterrence signalling and on-scene law enforcement.

The Type 053H class increases Indonesia’s ability to show the flag and maintain persistent sovereignty operations in disputed maritime zones.

Each frigate enhances TNI-AL’s capacity to perform layered security coverage for national sea lines of communication (SLOCs), including the vital Malacca Strait through which an estimated one-third of global maritime trade transits.

Indonesia’s doctrine, defined by the Global Maritime Fulcrum, emphasizes the need to convert maritime geography into leverage for national power and economic security.

While Indonesia continues waiting for advanced Mogami-class frigates from Japan and domestically assembled SIGMA variants from PT PAL, operational gaps remain across several fleet sectors.

The Type 053H frigates provide immediate availability that strengthens Indonesia’s deterrent posture without waiting for lengthy construction or delivery cycles.

Thus, even if technologically outdated, these frigates serve a practical strategic function within Indonesia’s current naval modernization timeline.

Acquisition Dynamics: Purchase, Donation, and Modernization Investment

The October 2025 reports suggest that Indonesia is evaluating either a low-cost procurement arrangement or potentially receiving the frigates at no acquisition cost through security cooperation with China.

If purchased, total cost estimates for transfer and refurbishment could range between USD300 to USD600 million (RM1.4 to RM2.8 billion) depending on the modernization scope, weapons package, and shipyard work required.

Some discussions indicate that China could provide financial facilities worth up to USD3.1 billion (RM14.7 billion) to support naval infrastructure and upgrade requirements associated with the ships.

China benefits strategically by strengthening its defence export footprint in Southeast Asia and promoting interoperability between TNI-AL and PLAN-origin equipment.

Indonesia benefits from increased fleet numbers and operational coverage without heavy procurement delays.

Modernization packages for Indonesia’s potential Type 053H frigates include the replacement of aging HY-2 anti-ship missiles with more capable C-802A systems.

New combat management systems would be required to integrate upgraded weapons and sensors into a modernized operational architecture.

Improved situational awareness could be achieved through the installation of modern air and surface search radars, including AESA-based suites.

Electro-optical fire control sensors would enhance target detection and engagement accuracy in both day and night operations.

Close-in air defence could be significantly strengthened by adding CIWS or short-range SAM systems to counter aircraft and missile threats.

Survivability enhancements would rely on the integration of new electronic countermeasure systems and advanced decoy launchers to defeat guided weapons.

Structural refurbishment, including hull repairs and corrosion treatment, would be essential to prolong the service life of the ships.

Helicopter deck improvements could enable embarked rotary-wing assets for anti-submarine warfare and maritime surveillance tasks.

Modernization costs are expected to range between USD30 to USD50 million (RM142 to RM237 million) per ship depending on upgrade scope.

Such an investment would extend the mission utility of these frigates into the 2030s despite their Cold War origins.

Indonesia’s operational priorities emphasize maritime policing, grey-zone deterrence, and highly visible show-the-flag patrols in sensitive waters.

These ships would also support anti-illegal fishing operations, rapid response patrol missions, and persistent presence in strategic chokepoints and disputed maritime areas.

Indonesia is not expecting to receive frontline warships but rather fleet multipliers that relieve pressure from new high-tier assets.

Strategic Impact: Regional Balance and Future Indo-Pacific Naval Order

If the acquisition proceeds, Indonesia would become the largest operator of former PLAN frigates in ASEAN.

This transfer marks a significant step in the increasing influence of Chinese defence technology across Southeast Asia.

For China, transferring legacy frigates eliminates cost burdens associated with retirement while simultaneously expanding its security influence over a key maritime nation.

For Indonesia, this deal represents a balancing strategy that avoids reliance on any single global power while expanding defence cooperation across suppliers.

The ships, once operational under TNI-AL colours, will immediately enhance Indonesian visibility and diplomatic leverage in sensitive waters affected by China’s nine-dash-line assertion.

The message becomes clear:

Indonesia possesses the will and the means to respond to foreign presence inside its maritime jurisdiction.

The strategic symbolism of these ships may matter more than their weaponry.

In any maritime territorial dispute, capability quantity often carries as much deterrent credibility as cutting-edge technology.

The arrival of these seven frigates would generate a distributed maritime presence that supports:

• Sovereignty enforcement
  • Early maritime crisis response
  • Operational tempo increases in contested waters
  • Rebalancing naval force distribution nationwide

The Type 053H may be old, but in Indonesia’s maritime context, they remain valuable instruments of naval diplomacy and national assertiveness.

Old Ships, New Purpose

Indonesia’s evaluation of seven Type 053H Jianghu-class frigates reflects a pragmatic and urgent response to rising maritime security challenges in the South China Sea.

These frigates offer immediate operational availability without waiting for lengthy new-build construction timelines.

They provide a cost-effective method of reinforcing the Indonesian Navy’s surface fleet mass during a period of strategic urgency.

Their presence at sea enhances Indonesia’s ability to project visibility and deter encroachments in disputed maritime zones.

The ships will contribute meaningful capacity for EEZ enforcement missions and sovereignty patrols around the Natuna region.

By increasing patrol coverage, they help counter grey-zone coercive activities carried out by foreign maritime militias.

Modernization and refit programs will ensure these older frigates remain relevant and capable into the next decade.

Their integration allows more advanced Indonesian warships to focus on high-intensity missions and regional defence commitments.

The acquisition supports Indonesia’s Global Maritime Fulcrum vision by strengthening its standing as a decisive maritime power.

It also signals a clear commitment to defend crucial sea lanes and national economic interests against foreign incursions.

Their deployment represents a strategic bridge solution while Indonesia awaits delivery of future-generation frigates.

Old ships may still carry new purpose when employed within a coherent maritime strategy that prioritizes presence, deterrence, and readiness.

Although they lack high-intensity warfighting capability against modern peer adversaries, their role as essential fleet mass providers cannot be underestimated.

The Type 053H, once a product of China’s Cold War shipbuilding, may soon become a crucial contributor to Indonesia’s maritime sovereignty and deterrence architecture.

If modernization accompanies transfer, these ships will remain credible platforms well into the next decade.

Indonesia may be acquiring old frigates, but with the right upgrades and strategy, they will serve a new, strategically vital purpose in protecting the world’s largest archipelagic nation. — DEFENCE SECURITY ASIA