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The Royal Australian Air Force’s (RAAF) fleet of C-130J Hercules aircraft has achieved final operational capability (FOC) following the block upgrades they underwent earlier this year.
Under Project AIR 5440, the aircraft have seen a boost to capability, reliability and mission readiness.
The 12 aircraft, operated by No. 37 Squadron from RAAF Base Richmond, have been brought up to Block 8.1 configuration through updates to aircraft systems and safety-critical software and hardware.
The first aircraft was upgraded in the US by Lockheed Martin, with support from the US Air Force, while the remaining 11 were modified at RAAF Base Richmond by Airbus Australia Pacific, the fleet’s sustainment partner.
The upgrades included major improvements to communications and navigation, with new datalink capability, integrated satellite voice, upgraded high-frequency radios and enhanced instrument approach systems.
Training systems have also been updated, with the C-130J Full Flight Simulator upgraded by CAE Australia to reflect the aircraft’s new configuration.
Lockheed Martin vice president and general manager for Air Mobility and Maritime Missions, Trish Pagan, said the milestone underscored the company’s long-standing partnership with Australia.
“The completion of the Block 8.1.1 upgrade for the RAAF’s C-130J fleet is a significant achievement for Lockheed Martin and our Australian partners,” Ms Pagan said.
“It ensures the RAAF’s Super Hercules remains at the forefront of tactical airlift capability, supporting both military operations and humanitarian missions well into the future.”
Lockheed Martin Australia C-130J program manager Nicole Davidson said 11 of the 12 aircraft were upgraded in Australia.
“Delivering the vast majority of these upgrades locally demonstrates the depth and sophistication of Australia’s C-130J sustainment enterprise,” Ms Davidson said. “It reflects the strength of our industry partnerships and the value of a sovereign industrial base capable of delivering advanced capability upgrades for the RAAF.”
Australia also plays a key international role in the ongoing development of the Super Hercules through its membership of the C-130J Super Hercules Joint User Group (JUG). The group guides the aircraft’s block upgrade program, ensuring the platform remains modern, interoperable and operationally relevant.
The Block 8.1 software standard has already been adopted by a growing number of international operators, including the United States Air Force, Marine Corps and Coast Guard, as well as Norway, France, Germany and New Zealand.
The aircraft initially entered RAAF service in 1999 and has continued to provide a medium airlift capability for the Australian Defence Force.
The medium-sized tactical airlifter can carry approximately 120 passengers or up to 20 tonnes of cargo and is mainly used to deliver supplies to airfields with short unsurfaced runways.
Australia’s commitment to the Super Hercules extends beyond sustainment. In 2023, the Australian Government formally approved the acquisition of 20 new C-130J aircraft to replace and expand the existing fleet, with deliveries expected to commence from late 2027.
The C-130J Super Hercules is operated by 23 nations worldwide, with more than 560 aircraft delivered to date. The global fleet has accumulated more than three million flight hours, cementing the aircraft’s reputation as the world’s leading tactical airlifter.
