Bendix/King / Honeywell KA-33 Avionics Cooling Blower Kit

The Bendix/King KA-33 Avionics Cooling Blower is a remote-mounted, multi-port cooling system designed to manage temperatures within a central avionics stack. By continuously forcing high-volume air through specialized ducting to individual radios, transponders, and GPS navigators, the unit keeps sensitive flight deck hardware operating well within Technical Standard Order (TSO) heat limits. This prevents heat-related component degradation and premature electronic failures.
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Description

Key Technical Capabilities
  • Centralized Cable Convergence: Functions as a heavy-duty physical hub where primary cockpit instrument wires and power supply lines interface cleanly, reducing complex inline cable splicing across the fuselage.
  • Integrated Circuit Isolation: Features localized terminal shielding parameters that prevent electromagnetic interference (EMI) or power spikes on one avionics bus from degrading neighboring communication or navigation channels.
  • Streamlined Maintenance Diagnostics: Designed with exposed, clearly labeled testing terminals and internal grounding paths, allowing avionics technicians to quickly meter individual circuits or pin-test voltage loops during troubleshooting routines.
  • Aviation Grade Housing Resiliency: Built within a rugged, dust-resistant aluminum enclosure engineered to withstand heavy flight vibrations, minor cabinet impacts, and high-altitude thermal fluctuations without micro-cracking terminal joints.
  • Drop-In Airframe Fitment: Features factory-standard, preset mounting holes matching the internal shelf structural layouts of corporate Cessna Citation fleets, facilitating direct component replacements without field sheet-metal alterations.

Additional information

Part Number

071-4037-03

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