RAAF's Australian-Built CT4A Trainer Retires After Nearly 50 Years

The Royal Australian Air Force (RAAF) marked the end of a significant training legacy on June 18, 2026, when its CT4A trainer aircraft completed its final flight at RAAF Base Point Cook in Victoria. This historic location holds special significance as both the birthplace of the RAAF and the starting point for the CT4A’s nearly 50-year service life. The final flight, piloted by Wing Commander David Chaplin, closed a chapter for the aircraft type that launched countless military aircrew careers across Australian defense forces.

Introduced in 1975, the CT4A was an Australian-designed and manufactured trainer that became the first powered aircraft experience for many aspiring military pilots. It served primarily as a foundational training platform, preparing aviators for diverse future roles including air combat, reconnaissance, air mobility, and rotary-wing operations. The aircraft’s simplicity and reliability made it an ideal stepping stone during initial pilot training phases.

Wing Commander Chaplin emphasized the CT4A’s far-reaching influence on Australian air power development. He reflected on his personal journey, noting the aircraft was the first he flew upon joining the Air Force at Point Cook in January 1980. The type had become ubiquitous at the base, symbolizing the entry point for new pilots and representing the embodiment of initial military flying education in Australia.

Beyond the Air Force, the CT4A played a unifying role across the Australian Defence Force’s aircrew training pipeline, utilized by all three branches: the Royal Australian Air Force, the Australian Army, and the Royal Australian Navy. It formed a common training experience for pilots destined for fixed-wing combat jets, maritime patrol aircraft, tactical airlift platforms, and helicopters. This inter-service use underscored its versatility and foundational relevance.

The CT4A’s enduring legacy also extends to its maintenance and support crews, as well as flight instructors whose dedication ensured safe and effective training operations across decades. Wing Commander Chaplin acknowledged not only those who flew the aircraft but also the engineers, administrators, air traffic controllers, and instructors who contributed to its enduring service presence.

Squadron Leader Peter Grieves, a reservist who undertook his first military flight in the same type being retired, described how the occasion revived vivid memories of his early training days. He recalled the challenging flying conditions at Point Cook, where pilots learned to handle a wide range of weather scenarios. These formative experiences were integral to producing well-rounded aviators capable of adapting to operational demands.

The CT4A retirement is part of a broader heritage fleet rationalization program by the Australian Defence Force aimed at ensuring sustainable preservation of important historical aircraft. Alongside the CT4A, other legacy types such as the RE8, Ryan STM-S2, and English Electric Canberra are being withdrawn to focus resources on the most significant heritage assets.

The final display flight was both a farewell and a celebration, symbolizing respect for the decades of service provided by the CT4A and the generations of personnel whose careers it helped launch. As RAAF Base Point Cook watched familiar silhouettes trace the skies one last time, the aircraft’s retirement closed one of the longest-running chapters in Australian military aviation training history.