Check the listing for details. David Clark H10-76 Aviation / Helicopter U-174 Pilot Headset. Condition: Used. Listed at 150.00 USD. This David Clark H10-76 Aviation/Helicopter U-174 Pilot Headset is a must-have for aviation enthusiasts. Designed for maximum comfort and durability, this headset is perfect for pilots who demand high-quality audio and reliable communication. The headset is compatible with a wide range of aviation and helicopter communication systems, making it a versatile choice for pilots of all skill levels. The brand, David Clark, is known for their exceptional quality and attention to detail. Featuring a U-174 plug, this headset is perfect for use in a wide range of aviation and helicopter communication systems. The headset is also designed to be comfortable and durable, making it perfect for extended use. Whether you're a professional pilot or an aviation enthusiast, this David Clark H10-76 Aviation/Helicopter U-174 Pilot Headset is the perfect choice for you.