Pilot USA PA-61 U-75/U Headset to Helicopter Adapter – U-174 Plug

Pilot USA PA-61 U-75/U Headset to Helicopter Adapter – U-174 Plug

Convert U-75/U military headset plugs for helicopter use with the Pilot USA PA-61 adapter. Durable, compact, and preserves audio (no impedance conversion).

• Converts U-75/U (military) headset plug to helicopter U-174/U connection
• Compact, lightweight adapter ideal for mixed-mission operations
• Passive design preserves original audio characteristics—no impedance conversion
• Rugged molded connectors and flexible cable for reliable cockpit use
• Allows pilots to reuse military-style headsets in rotary-wing aircraft
• Simple plug-and-play solution—no tools or power required

The Pilot USA PA-61 U-75/U Headset to Helicopter Adapter is a compact, purpose-built adapter that enables headsets with U-75/U (military) plugs to interface with helicopter U-174/U jacks. Designed for flight instructors, military-to-civil transitions, and operators who fly both fixed- and rotary-wing aircraft, the PA-61 provides a reliable mechanical and electrical connection while keeping signal integrity intact. Its passive construction means the adapter does not alter impedance or add electronics—audio and mic signals pass through unchanged. Constructed with molded strain-relief points and durable connector housings, the PA-61 stands up to frequent cockpit use and stows easily in a flight bag. When you need a straightforward way to use military-style headsets in helicopter cockpits, the PA-61 delivers dependable performance.

Connector Details:

• Input: U-75/U (military/M22442-style) headset plug
• Output: U-174/U helicopter headset plug
• Design: Passive adapter — direct pass-through, no impedance conversion