Senators examine Airservices’ pursuit of private co‑investment and commercial confidentiality around a $2 billion ARFF asset proposal, its long‑term firefighting fleet and infrastructure plans, historic funding and pricing decisions, and approach to regional safety issues such as Hobart approaches and Townsville’s ILS. They also probe Brisbane aircraft noise management and community engagement, data and staffing underpinning ground delay programs, a five‑year pricing submission with 12% annual charge increases and linked consumer impacts, incentive‑based performance penalties, union concerns and consultancy costs associated with the proposed ARFF partnership and Brisbane noise mitigation options including SODPROPS.