Leonardo Guns For Indonesia

Oto Melara Marlin 40mm gun. Leonardo

SHAH ALAM: Leonardo guns for Indonesia. Indonesian Navy has selected Leonardo’s latest-generation Marlin 40 naval gun. The Independent Line of Sight (ILOS) variant of the 40mm turret will equip the Indonesian Navy’s PC60 fast patrol boats and Tank Landing Ship vessels.

The Marlin 40mm gun undergoing manufacturing. Leonardo.

From Leonardo:

Two Indonesian Navy PC60 fast patrol boats currently under construction at PT Caputra Mitra Sejati shipyard. This follows the procurement in 2021 of four Marlin 40 systems for two PC60 vessels and two Teluk Bintuni-class tank landing ships (LSTs). Both PC60 and LST will be equipped with the Marlin 40 Independent Line of Sight (ILOS) variant, the most feature-rich version of the turret. Further PC60 and LST vessels are expected to be built by Indonesian shipyards for the Navy.

The Marlin 40 turret is a fully digitized system. It is lightweight, compact and easy to integrate. This means that the turret can be integrated onto all types of naval platforms as a primary or secondary defence system.
Capable of anti-air and anti-surface defence, the Marlin 40 has a range of over four kilometres, is ITAR-free and can integrate with all currently available naval Combat Management Systems (CMS).

The ILOS variant of Marlin 40 chosen by the Indonesian Navy is a highly effective precision-fire system
which can operate autonomously via a local control console. This brings together and processes the
targeting data received from the turret’s own dedicated electro-optical system, external fire control systems and ship’s data, ensuring precision while incorporating a level of redundancy. The electro-optical director can rotate independently of the line of fire to deliver panoramic surveillance through a highly accurate sensor suite comprising a daylight camera, an InfraRed (IR) camera and a laser range finder.
This latest contract further develops Leonardo’s strong partnership with the Indonesian Navy, which has
previously selected the company for its naval gunnery requirements. Today, 38 Indonesian vessels are
operating Leonardo weapon systems.

The Navy’s inventory includes Leonardo’s Marlin 30, Marlin 40 Twin Barrel and 76/62 Super Rapid. The latter is the best-selling medium-calibre naval gun mount available on the market, employed by 60 Navies and already installed on 15 Indonesian Navy vessels.

The Marlin 40 is the latest addition to Leonardo’s portfolio of naval defence systems and is in service with 30 naval forces worldwide. In addition to the ILOS variant, Marlin 40 is available as a 40mm Remotely Controlled turret. Leonardo also offers the Marlin 30 in three variants: RC (Remotely Controlled), COAX (Coaxial Electro-Optical Sensor Suite) and ILOS (Independent Line of Sight). The selection of Marlin 40 for the Indonesian Navy strengthens Leonardo’s presence in the Indo Pacific naval defence systems market.

The Marlin 40mm gun undergoing manufacturing. Leonardo.

— Malaysian Defence

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About Marhalim Abas 2200 Articles
Shah Alam


  1. Indonesia worries me at the moment, from a Malaysia perspective. They seem to be on a spending spree with the Rafael, Eagle, FREMM and now the TB2, Akinci and Khan ballistic missile. What do you think?

  2. My thoughts on this is simple, it’s just the current defence minister way to bolster his candidacy for the next presidential election

  3. But the problem is, if we seem weak, he might be tempted to push us around to win the nationalistic vote. We are often portrayed as a proxy of sorts for the UK and Australia.

  4. We are not worry about Indonesia in fact we are pleased if their military is strong. They are trying to meet the minimum essential force of atleast 154 naval vessels & 10 sq of fighters.The one you should be worried about is our neighbor across the Sulu sea. With defense plan Horizon 1/2/3 they are putting our military as benchmark. Horizon 3 will put their military atleast 90% of ours. And also our joint authority territories in the gulf of thailand should not be ignored also.

  5. Qamarul – “We are not worry about Indonesia in fact we are pleased if their military is strong”

    It may surprise you to know that since the 1960’s our main external security concern has been Indonesia. Ask yourself; which is the first country a newly appointed PM and head of MAF normally visits and with which country have guns been pointed and ships almost rammed? Why was the FPDA originally formed? For that stretchy do you think the SAF also goes our of its way to have good ties with the TNI?

    As it stands the Indonesians are buying a bit of everything [with the resulting support/training nightmares] but the point where we really have to notice is when they start acquiring tertiary capabilities; the ability to operate jointly at a systems level performing multi domain ops in a highly contested environment.

    Qamarul – “The one you should be worried about is our neighbor across the Sulu sea.”

    You’re being overly dramatic and sensationalist. The Philippines is making up for lost time after decades of neglecting the AFP; it’s making the shift from internal to external security and it’s very rattled by China. Also, unlike Indonesia the Philippines doesn’t have any aspirations to be the regional head honcho.

    Please also don’t mention Sabah as it’s been done to death here;
    largely an internal Filipino issue and with the exception of the Tausugs who are a minority the vast majority of Filipinos couldn’t care less about the issue.

    Qamarul – “Horizon 3 will put their military atleast 90% of ours”

    You really shouldn’t make generalised blanket statements like this. It’s not just the hardware but other things. Also, the Philippines is a large sprawling archipelago and it will take years of sustained funding for the AFP to have the capability it needs.

    Qamarul – “And also our joint authority territories in the gulf of thailand should not be ignored also”

    FYI we still have an unresolved border issue with Thailand [remains largely unknown] and we have unresolved maritime boundary issues with Indonesia in the Celebes Sea; Straits of Melaka and the South China Sea. Not to mention certain parts of our territorial claims which are not recognised by Singapore from the time we issued the Peta Baru in 1979.

    Note that in case anyone here comes up with a lecture about the need to not see our neighbours enemies or similar nonsense; we don’t see them as enemies but at times things have nearly gone hot [some Will know what I’m referring to] and the potential for trouble over longstanding unresolved overlapping disputes has always been a major concern for us.

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