David Clark 18253G-06 GA to Helicopter Adapter – Converts PJ-068 & PJ-055 to U-174/U PA-1779TP the 40688G-90 battery pack helps

the 40688G-90 battery pack helps maintain safe charging and consistent communication reliability

Enhanced Microphone Protection: Shields the microphone from moisture

FAA TSO Approved: Meets the Federal Aviation Administration's Technical Standard Order requirements

and easy transmit control for ground crew operations

consistent voice transmission in loud environments

David Clark 18253G-06 GA to Helicopter Adapter – Converts PJ-068 & PJ-055 to U-174/U PA-1779TP the 40688G-90 battery pack helpsDavid Clark 18253G 06 GA to Helicopter Adapter PJ 068 PJ 055 to U 174 U Plug Part Number: 18253G 06 Manufacturer: David Clark Company Application: General Aviation Use Compatibility: Converts PJ 068 & PJ 055 to U 174 U Overview The David Clark 18253G 06 GA to Helicopter Adapter converts standard fixed wing general aviation headset plugs (PJ 068 for mic and PJ 055 for audio) into a single U 174 U plug for helicopter use. Perfect for pilots who fly both