Australia’s evolving strategic environment, limited fighter mass and finite jet‑trainer life‑of‑type place increasing pressure on the pilot training pipeline. Recent reforms have strengthened early‑phase training, but the last phase of the training (or Phase 4) remains bottlenecked by high‑cost jet utilisation at Operational Conversion Units (OCUs). Here, we propose a specific model for modernising the Phase 4 Lead‑In Fighter Training (LIFT) of the Royal Australian Air Force (RAAF) to increase throughput, improve cognitive readiness and reduce cost‑per‑graduate while protecting fifth‑generation standards. A training‑effect–based task‑allocation model is proposed, assigning cognitively rich but non‑jet‑dependent events to a high‑performance turboprop with embedded mission‑system emulation and Live–Virtual–Constructive (LVC) integration, while reserving the Hawk 127 for the small set of manoeuvre, weapons and adversary‑air tasks requiring jet performance. A Portfolio Budget Statements (PBS)‑anchored cost methodology quantifies effects across flying‑hour sustainment, synthetic utilisation, instructor effort, Red Air demand and OCU time‑in‑training. Modelling shows that a Hybrid Phase 4 design can increase airborne exposure, reduce remediation and lower cost‑per‑graduate while preserving standards. A gated pathway ensures progression to an Optimised model only when measurable improvements in throughput, OCU duration, instructor utilisation and Red Air predictability are demonstrated. A cognitively focused, turboprop‑heavy Phase 4, integrated with protected jet‑only envelopes, offers a scalable, affordable and standards‑safe approach to generating fifth‑generation aircrew. By flying more, and flying smart, the RAAF can deliver the cognitive capacity and operational competence required for contemporary and future air warfare.
Robinson et al. (Wed,) studied this question.