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AVCON INDUSTRIES ACQUIRES FAA STC-APPROVED INSTALLATION OF NON-HALON AIRCRAFT FIRE EXTINGUISHERS IN LEARJETS

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Avcon Industries (OTCQX:BUKS) and its affiliate Butler Avionics have received FAA Supplemental Type Certificate (STC) approval for installing non-halon portable fire extinguishers in multiple Learjet aircraft models. The certification (STC No. ST12087CH) enables the replacement of existing halon fire extinguishers with Halotron BrX-filled alternatives.

The approval is particularly significant as it addresses the European Union's mandate requiring replacement of hand-held halon fire extinguishers in airplane cabins and crew compartments by December 31, 2025. The company is currently pursuing EASA validation of the STC approval and working to expand the STC-approved model list.

Avcon Industries (OTCQX:BUKS) e la sua affiliata Butler Avionics hanno ottenuto l'omologazione FAA Supplemental Type Certificate (STC) per l'installazione di estintori portatili non a base di aloni in diversi modelli di Learjet. La certificazione (STC n. ST12087CH) consente di sostituire gli estintori a base di aloni esistenti con alternative riempite con Halotron BrX.

L'approvazione è particolarmente rilevante perché risponde al mandato dell'Unione Europea che richiede la sostituzione degli estintori portatili a base di aloni nelle cabine passeggeri e nei compartimenti equipaggio entro il 31 dicembre 2025. La società sta ora lavorando alla validazione EASA dell'STC e all'ampliamento dell'elenco dei modelli approvati dall'STC.

Avcon Industries (OTCQX:BUKS) y su filial Butler Avionics han recibido la aprobación del FAA Supplemental Type Certificate (STC) para la instalación de extintores portátiles sin halón en varios modelos de Learjet. La certificación (STC nº ST12087CH) permite reemplazar los extintores con halón existentes por alternativas rellenas con Halotron BrX.

La aprobación es especialmente relevante porque atiende al mandato de la Unión Europea que exige la sustitución de los extintores portátiles con halón en cabinas y compartimentos de tripulación antes del 31 de diciembre de 2025. La compañía está gestionando la validación EASA del STC y trabaja para ampliar la lista de modelos aprobados por el STC.

Avcon Industries (OTCQX:BUKS)와 ê·� 계열ì‚� Butler AvionicsëŠ� 여러 Learjet 기종ì—� í• ë¡ ì� 아닌 휴대ìš� 소화기를 장착하는 FAA 보조형ì‹ì¦ëª…(STC)ì� 승ì¸ë°›ì•˜ìŠµë‹ˆë‹�. ì´ë²ˆ ì¸ì¦(STC 번호 ST12087CH)ì€ ê¸°ì¡´ì� í• ë¡  소화기를 Halotron BrXë¡� ì¶©ì „ë� 대체품으로 êµì²´í•� ìˆ� 있ë„ë¡� 합니ë‹�.

ì´ë²ˆ 승ì¸ì€ 특히 í•­ê³µê¸� ê°ì‹¤ ë°� 승무ì›� 구역ì� 휴대ìš� í• ë¡  소화ê¸� êµì²´ë¥� 2025ë…� 12ì›� 31ì¼ê¹Œì§€ 요구하는 유럽연합 규정ì� 충족한다ëŠ� ì ì—ì„� 중요합니ë‹�. 회사ëŠ� 현재 STC 승ì¸ì—� 대í•� EASA 유효ì„� 확ì¸ì� ì§„í–‰ 중ì´ë©�, STC ìŠ¹ì¸ ëŒ€ìƒ� 기종ì� 확대하기 위해 노력하고 있습니다.

Avcon Industries (OTCQX:BUKS) et sa filiale Butler Avionics ont obtenu l'approbation FAA Supplemental Type Certificate (STC) pour l'installation d'extincteurs portables sans halon sur plusieurs modèles de Learjet. La certification (STC n° ST12087CH) permet de remplacer les extincteurs au halon existants par des alternatives remplies de Halotron BrX.

Cette approbation est particulièrement importante car elle répond au mandat de l'Union européenne exigeant le remplacement des extincteurs portatifs au halon dans les cabines passagers et les compartiments d'équipage d'ici le 31 décembre 2025. La société poursuit actuellement la validation EASA de l'STC et travaille à l'élargissement de la liste des modèles approuvés par l'STC.

Avcon Industries (OTCQX:BUKS) und die Tochtergesellschaft Butler Avionics haben die FAA Supplemental Type Certificate (STC)-Zulassung für die Installation von halonfreien tragbaren Feuerlöschern in mehreren Learjet-Modellen erhalten. Die Zertifizierung (STC Nr. ST12087CH) ermöglicht den Austausch vorhandener Halon-Löscher durch mit Halotron BrX gefüllte Alternativen.

Die Zulassung ist besonders bedeutsam, da sie dem Mandat der Europäischen Union entspricht, tragbare Halon-Feuerlöscher in Passagierkabinen und Besatzungsbereichen bis zum 31. Dezember 2025 zu ersetzen. Das Unternehmen strebt derzeit eine EASA-Validierung der STC-Zulassung an und arbeitet an der Erweiterung der STC-genehmigten Modellliste.

Positive
  • FAA STC approval obtained for non-halon fire extinguisher installations across multiple Learjet models
  • Strategic positioning to meet EASA regulatory requirements ahead of December 31, 2025 deadline
  • Engineered for straightforward installation with minimal impact on fit and compatibility
  • Potential market expansion through pending EASA validation
Negative
  • EASA validation still pending and not guaranteed
  • Limited to specific Learjet models currently

FAA Approval of Non-Halon Replacement Portable Fire Extinguisher

OLATHE, Kan., Aug. 21, 2025 /PRNewswire/ -- and its affiliate Butler Avionics Inc., subsidiaries of Butler National Corporation (OTCQX: BUKS) and leading manufacturers and systems integrators for special mission aircraft modifications, announce Federal Aviation Administration (FAA) Supplemental Type Certificate (STC) approval for the installation of non-halon portable fire extinguisher replacements in Learjet Models 24, 25, 29, 31, 31A, 35, 36, 35A (C-21A), 36A, 40, 45, 55, 55B, 55C, 60, 60XR, 70, and 75 aircraft.

Avcon received FAA STC No. ST12087CH authorizing the replacement of existing halon fire extinguishers across the full line of Learjet aircraft. This STC allows for the installation of Halotron BrX-filled fire extinguishers, which are designed for ease of retrofit and compliance with European Union Aviation Safety Agency (EASA) requirements. An application is being made for EASA validation of the Avcon fire extinguisher STC approval. The new extinguishers are designed to be size-equivalent replacements, having minimal impact on fit and compatibility.

Halon has been designated as an Ozone-Depleting Substance. Halon production has been banned in EU member states since 1994, although it has been allowed for certain "critical uses," including in some aircraft systems.Ìý Pursuant toÌýEuropean Union regulations and the Montreal Protocol,Ìýregulatory bodies, including EASA, have required that hand-held Halon fire extinguishers in airplane cabins and crew compartments be replaced with suitable alternatives by December 31, 2025.ÌýÌý

"Avcon and Butler Avionics teamed with a leading specialty fire extinguisher vendor to make available non-halon fire extinguishers to comply with the pending EASA mandate, and obtain STC installation approval for Learjets," said Patrick Hupp, Avionics Manager. "The new extinguishers are engineered for straightforward installation in the same location as existing units, with provisions for additional mounting locations in some legacy Learjet models. We are working diligently to obtain EASA approval for the replacement fire extinguisher installation. Avcon and Butler Avionics are also working to add additional models to the STC-approved model list (AML). Avcon and Butler continue their commitment to supporting legacy aircraft with cost-effective regulatory solutions."

For more details, call 913-829-4606 or email [email protected].

Butler Avionics Business:
Since its inception in 1969, Butler Avionics, Inc. offers avionics integration, installation and repair services.Ìý Butler Avionics works with its parent company, Butler National Corporation, and affiliate Avcon Industries, Inc. to provide custom and regulatory avionics solutions for business, air transport and general aviation aircraft.Ìý Butler Avionics is a FAA Repair Station.

Avcon Industries Business:
Avcon Industries, Inc. operates in the Aerospace business and focuses on the modification of business and commercial aircraft, which includes both complex structural modifications and system integrations.Ìý Avcon specializes in providing products and services to the business marketplace, the forestry and atmospheric research space, the Intelligence, Surveillance and Reconnaissance (ISR) sector, and the air ambulance segment.

Avcon is recognized for providing solutions to regulatory-driven aircraft modifications.

Avcon Industries, Inc. is a wholly owned subsidiary of Butler National Corporation.Ìý Butler National Corporation is a publicly traded stock company with at ticker symbol: OTCQX: BUKS.

FOR MORE INFORMATION, CONTACT:

Patrick Hupp, Avionics ManagerÌý Ìý Ìý Ìý Ìý Ìý ÌýÌý

[email protected]

or

[email protected]Ìý

Ìý

Phone: +1 (913) 829-4606

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FAQ

What FAA approval did Avcon Industries (BUKS) receive for Learjet fire extinguishers?

Avcon received FAA STC No. ST12087CH approval for installing non-halon Halotron BrX-filled fire extinguishers across multiple Learjet models, replacing existing halon extinguishers.

When is the EASA deadline for replacing halon fire extinguishers in aircraft?

EASA requires hand-held halon fire extinguishers in airplane cabins and crew compartments to be replaced with suitable alternatives by December 31, 2025.

Which Learjet models are covered by Avcon's new fire extinguisher STC?

The STC covers Learjet Models 24, 25, 29, 31, 31A, 35, 36, 35A (C-21A), 36A, 40, 45, 55, 55B, 55C, 60, 60XR, 70, and 75 aircraft.

What type of fire extinguisher is replacing the halon units in Learjets?

The new installations use Halotron BrX-filled fire extinguishers, which are designed as size-equivalent replacements with minimal impact on fit and compatibility.

Has Avcon Industries received EASA approval for the non-halon fire extinguishers?

No, Avcon is currently working to obtain EASA validation of their fire extinguisher STC approval.
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