FARO - Aircraft Pilot Helicopter Adapter (Converts GA Headset to Helicopter Plug)(Compatible with U-174/U plug or the U-93A/U plug) Helicopter Adapter Converting Airplane Jack Converts General Aircraft Dual-plugs (GA) to U174U / U93AU High quality connectors ensures crystal clear transmissions to your aviation headset Durable Product with US Engineered Quality Amazing 1-Year Warranty. No Batteries Required