Butler National Corporation announced that its Avcon non‑halon portable fire extinguisher replacement solution has received Supplemental Type Certificate (STC) approvals from the European Union Aviation Safety Agency (EASA) and the United Kingdom Civil Aviation Authority (CAA) on December 4 2025.
The approvals cover a full line of Learjet aircraft—including the 24, 25, 29, 31, 31A, 35, 36, 35A (C‑21A), 36A, 40, 45, 55, 55B, 55C, 60, 60XR, 70, and 75—allowing operators to install Halotron BrX‑filled extinguishers that are size‑equivalent to existing halon units. The change enables quick, cost‑effective retrofits without major structural modifications, positioning Butler National to meet the EU and UK mandate that all cabin and crew compartment extinguishers be non‑halon by December 31 2025.
By securing these approvals, Butler National expands its product portfolio and gains a competitive edge in a market that is forced to replace halon extinguishers. The regulatory deadline creates an immediate, mandatory demand for compliant solutions, and the size‑equivalent nature of the Avcon extinguishers reduces installation time and downtime for operators, translating into a strong sales opportunity and potential revenue growth for the company’s Aerospace Products segment.
The Avcon solution had previously received FAA STC No. ST12087CH, demonstrating Butler National’s ability to navigate complex certification processes across multiple jurisdictions. The new EASA and CAA approvals reinforce the company’s reputation as a trusted provider of mission‑critical aviation equipment and underscore its commitment to environmental stewardship by replacing ozone‑depleting halon with the cleaner Halotron BrX agent.
Overall, the approvals strengthen Butler National’s strategic positioning in the aircraft modification market, open a new revenue stream tied to a global regulatory change, and signal the company’s continued focus on delivering compliant, high‑quality solutions to airlines and operators worldwide.
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