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Honeywell APU maintenance

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  • July 21, 2026

    Aircraft APU Exchange vs. Overhaul: Which Solution Is Right?

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Understanding APU Exchange Services

APU exchange is a popular service that allows aircraft operators to quickly replace a malfunctioning Auxiliary Power Unit (APU) with a fully functional, pre-owned unit. This method minimizes downtime, ensuring your aircraft remains operational with minimal disruption to schedules. It's an efficient solution for operators who need a rapid turnaround and predictable costs.

The process typically involves Tag Aero providing a certified, ready-to-install APU in exchange for your existing unit. This service is ideal for those facing unexpected APU failures or planning proactive replacements to avoid potential issues. The exchanged APUs are rigorously tested and refurbished to meet stringent aviation standards.

Benefits of APU Overhaul

An APU overhaul involves a comprehensive disassembly, inspection, repair, and reassembly of your existing unit. This process restores the APU to its original specifications, extending its service life significantly. Overhauling can be a cost-effective solution for units with moderate wear and tear, offering a renewed performance and reliability.

During an overhaul, all components are meticulously checked for defects, and worn parts are replaced with new or certified ones. This detailed approach ensures that the APU meets all airworthiness directives and manufacturer requirements. The result is an APU that performs like new, providing a long-term, reliable power source for your aircraft.