Pilot USA PA-89BH Bose X / 6-Pin LEMO to Helicopter Adapter (U-174)

Pilot USA PA-89BH Bose Panel-Mount to Helicopter Adapter (U-174)

Use the Pilot USA PA-89BH to connect Bose panel-mount headsets to helicopter U-174 jacks. Durable, compact adapter preserving full mic and audio function.

Key Features & Benefits

• Converts Bose panel-mount headset connections to standard helicopter U-174/U single plug
• Maintains full transmit and receive capability for clear two-way communications
• Compact, lightweight design for easy storage and cockpit use
• Rugged connectors and strain relief built for repeated insertion cycles
• Plug-and-play — no wiring modifications required to use between aircraft types
• Ideal for pilots who move headsets between fixed-wing and rotorcraft platforms

Detailed Product Description

The Pilot USA PA-89BH is an aircraft-grade adapter engineered to let pilots use Bose panel-mount headsets in helicopters equipped with U-174 style audio jacks. Designed for professional use, the PA-89BH preserves the headset’s microphone and audio paths so you retain reliable, full-duplex communication during demanding operations. Its compact footprint and robust housing make it simple to stow in a flight bag while the reinforced strain relief and high-quality contacts provide dependable performance through frequent insertions. Whether you’re transitioning between corporate jets, GA aircraft, or rotorcraft, this adapter delivers a reliable, no-fuss solution to keep your Bose headset fully functional across platforms.

Connector 

• Input: Bose panel-mount (6-pin LEMO / manufacturer panel interface)
• Output: Helicopter U-174 / U single plug (standard rotorcraft audio jack)

Technical Specifications