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Ahead of NBAA-BACE 2026, Honeywell Aerospace has a message aimed squarely at owners of older business aircraft: the next avionics upgrade cycle is underway, and its MSP Avionics program is the company's answer to the cost and uncertainty of that transition. Honeywell says the MSP Avionics incentives and RMU rebates can help operators lower upgrade costs, improve reliability, and modernize aging avionics systems before supportability challenges create downtime or operational disruptions. MSP Avionics covers a wide range of business aircraft, including many of the most common legacy Citations, Falcons, Gulfstreams, Challengers, Learjets and Pilatus aircraft still flying today. Honeywell's qualifying upgrades, which it labels RMUs, span weather radar (the IntuVue RDR-7000), displays (the DU-885), inertial reference (the Laseref VI) and flight decks (EASy IV), across multiple aircraft categories. Honeywell's listed examples run from $10,000 to $30,000, depending on the product, the platform and whether the operator already has an MSP Avionics contract. A Falcon 7X on an existing contract qualifies for $30,000 toward EASy IV, for instance, against $15,000 on a new one. The rebates apply only to MSP Avionics customers, existing or new, and Honeywell says they end December 31, 2026. At the same time, the program has defined limits. Honeywell's own materials make clear that MSP is designed primarily around repair and exchange support. It does not solve every ownership problem, and it does not eliminate broader issues involving aging equipment or future maintenance requirements. Honeywell's specifications list scheduled maintenance and life-limited parts as not covered and show no guaranteed parts availability. Enrollment is limited to aircraft not engaged in fare-paying passenger transport. A growing number of mid-life aircraft remain mechanically healthy while carrying avionics systems that are becoming harder to support. The industry's avionics problem increasingly revolves around obsolescence rather than outright failure. Honeywell is positioning itself at the center of that conversation. The timing is important because operators can now evaluate whether the incentives justify accelerating planned modernization projects. Why it matters The MSP incentives show Honeywell is focused on a growing ownership issue: avionics aging out before aircraft do. For operators of older aircraft, the question is no longer whether upgrades will eventually be needed, but whether it makes more sense to act while incentives are available and support remains strong. With the window closing December 31, 2026, operators have little time after NBAA-BACE to price an upgrade.