JAKARTA – In a strategic move to curb the escalating environmental threat posed by forest and land fires (karhutla), the Indonesian National Armed Forces (TNI) has intensified its commitment to regional stability and ecological safety. On Saturday, October 24, 2026, the TNI deployed an additional Hercules C-130 transport aircraft (tail number A-1328) from the Halim Perdanakusuma Air Force Base in East Jakarta to the Syamsudin Noor Air Force Base in Banjarmasin, South Kalimantan.

This reinforcement is not merely a logistical maneuver; it represents a critical escalation in the government’s ongoing Weather Modification Operations (WMO) aimed at mitigating the persistent haze that has blanketed parts of Kalimantan, threatening public health and regional infrastructure.


1. The Strategic Deployment: A Swift Response to Environmental Urgency

The decision to dispatch the C-130 Hercules underscores the seriousness with which the TNI views the current crisis. As the dry season persists and fire hotspots multiply across the dense forests of Borneo, traditional ground-based firefighting efforts have proven insufficient. Aerial intervention, specifically through cloud seeding, has become the primary weapon in the government’s arsenal.

The Hercules C-130, renowned for its heavy-lift capabilities and versatility, has been specially outfitted for this mission. The aircraft arrived in Banjarmasin carrying not just the necessary equipment, but a dedicated team of scientists and engineers from the National Research and Innovation Agency (BRIN). By integrating military logistics with high-level meteorological expertise, the operation aims to induce artificial rainfall, effectively "washing" the smoke from the atmosphere and dampening the fire-prone peatlands.


2. Chronology of the Operation: From Jakarta to the Frontlines

The mobilization of the A-1328 aircraft was conducted with military precision. The operation began in the early hours of Saturday, October 24, as ground crews at Halim Perdanakusuma conducted final safety inspections and load-balancing procedures.

  • October 24, 08:00 WIB: Final pre-flight checks were completed at Halim Perdanakusuma, ensuring that the two specialized salt-dispersal consoles were properly calibrated.
  • October 24, 10:30 WIB: The Hercules departed Jakarta, carrying a specialized team comprising TNI flight crews and BRIN weather modification experts.
  • October 24, 14:15 WIB: The aircraft touched down at Syamsudin Noor Air Force Base in Banjarmasin. The arrival was greeted by regional disaster management coordination teams, who immediately began integrating the new asset into the existing flight schedule for the following week.
  • October 25, 2026: The Pusat Penerangan (Puspen) TNI officially released a statement confirming the deployment, highlighting that the addition of this aircraft would significantly expand the daily sorties capable of being flown over the affected provinces.

3. Technical Capabilities and Scientific Integration

The Hercules C-130 is far more than a transport vehicle in this context. To function effectively as a "rain-maker," the aircraft undergoes a rigorous technical conversion.

The Mechanism of Weather Modification

The aircraft is equipped with two sophisticated dispersal consoles. These systems are designed to release tons of sodium chloride (NaCl) or specialized dry ice into the updrafts of convective clouds. The scientific process involves:

  1. Cloud Seeding: The salt acts as a condensation nucleus, accelerating the coalescence of water droplets within the clouds.
  2. Precipitation Triggering: Once the droplets reach a critical mass, the cloud is forced to shed its moisture, resulting in localized rainfall over targeted areas where fires are most rampant.

Synergy with BRIN

The presence of BRIN experts on board is vital. These professionals utilize satellite imagery and real-time weather data to identify "seedable" cloud formations. The coordination between the TNI pilot and the BRIN meteorologist is a delicate dance; they must fly at precise altitudes and airspeeds to ensure the salt reaches the correct part of the cloud structure. This collaboration ensures that resources—which are costly—are not wasted on ineffective sorties.


4. Official Responses and Institutional Coordination

The Indonesian government’s response to the Kalimantan fires has been characterized by a "whole-of-government" approach. The Puspen TNI statement issued on Sunday, October 25, emphasized that the deployment is part of a broader mandate to protect the nation’s vital assets.

"The deployment of this aircraft is a direct response to the increasing intensity of forest and land fires. Our priority is to prevent the haze from reaching critical levels that would disrupt public health and local economies," the spokesperson stated.

Beyond the TNI, the operation is supported by the Ministry of Environment and Forestry (KLHK) and the National Disaster Management Agency (BNPB). These agencies share the burden of ground-level surveillance and fire suppression, while the TNI provides the necessary aerial force projection to combat the crisis from above.

Local governments in Kalimantan have expressed their gratitude for the reinforcement. Regional authorities have frequently reported that the "artificial rain" provided by these sorties is the only effective way to reach inaccessible areas where peat fires smolder deep underground, unreachable by standard water-bombing helicopters.


5. Implications: The Long-term Impact of Weather Modification

The decision to bolster the WMO program carries significant weight for Indonesia’s future environmental strategy.

Economic and Public Health Consequences

The haze resulting from the fires is not merely an environmental concern; it is a major economic disruptor. Flights are often canceled, schools are shuttered, and thousands of citizens suffer from acute respiratory infections (ISPA). By proactively seeding clouds, the TNI is effectively safeguarding the regional economy and public well-being.

Environmental Stewardship

Peatlands, when dry, are essentially giant stores of carbon. Fires in these areas release massive amounts of greenhouse gases into the atmosphere. Every day that the Hercules-led operations successfully trigger rainfall, millions of liters of water are deposited onto these fragile ecosystems, halting the combustion process and preventing the release of stored carbon.

Future Readiness

This deployment signals a shift toward a more proactive stance in disaster management. Rather than waiting for the fires to reach catastrophic proportions, the TNI and associated agencies are utilizing high-tech aerial interventions to suppress the conditions that allow fires to thrive. The success of this current mission may lead to the permanent inclusion of more specialized aircraft in the national disaster response inventory.


Conclusion

The deployment of the Hercules C-130 to Kalimantan is a testament to the versatility and dedication of the Indonesian National Armed Forces. In times of environmental crisis, the military serves as a vital pillar of support, providing the heavy-lift capacity and disciplined personnel necessary to execute complex technical operations.

As the crew of the A-1328 continues their sorties over the smoke-filled skies of Borneo, the nation looks on with cautious optimism. While technology and military hardware cannot replace the long-term necessity of sustainable land management and the enforcement of environmental regulations, the current Weather Modification Operation remains a crucial lifeline. It is a powerful example of how science, state resources, and military logistics can converge to protect the nation’s most valuable resource: its environment and its people.

The skies over Kalimantan may be grey today, but with every ton of salt seeded into the clouds by the Hercules C-130, the hope for a cleaner, safer, and clearer horizon remains firmly within reach.

By Nana Wu