Piper Autocontrol Mitchell Directional Gyro And Transistor Amplifier P/N 1X217 from $85.19 Qty. Add to Cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Condition: UsedCondition Description: as removed Manufacturer Part Number: 1X217 Qty available: 1 Tweet