#2026-05264Özel Koşullar: Textron Aviation Inc. (Textron) Model MU-300-10, 400, 400A Uçakları; Şarj Edilebilir Lityum Piller ve Pil Sistemi Kurulumları
AI-generated summary for informational purposes only. Not legal advice. See the original source for the authoritative text.
The FAA is setting special safety requirements for Textron business jets (MU-300 and 400 series) being modified to include rechargeable lithium batteries in their emergency lighting systems. Since lithium batteries weren't anticipated when these jets were certified, new safety standards are needed. This affects operators and modification shops working on Hawker/Beechjet business aircraft. Lithium batteries offer better performance but require specific fire and failure protections due to known risks.
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Action
Final special conditions; request for comments.
Obligations
What this law requires
Emergency lighting power supply systems containing rechargeable lithium batteries must meet special safety standards equivalent to existing airworthiness standards for transport-category airplanes
Rechargeable lithium battery installations must include fire protection measures appropriate to the known risks of lithium battery failures
Battery system designs must incorporate failure protections to prevent hazardous conditions in the event of lithium battery malfunction or failure
Emergency lighting systems with rechargeable lithium batteries must be designed and installed in compliance with the special conditions issued for MU-300-10, 400, and 400A airplanes