Youll need a reliable unit for the long term. Dual turbochargers allow operation at altitudes up to 25,000 feet. And I purchased six new Superior Millennium cylinders and pistons for the overhaul; I didnt want to use the originals, in fact I sold those off to an airboat shop in central Florida. There would have been a happy ending, but he stalled the airplane on short final, over the runway, and stuck a wingtip into the ground. L3 Avionics product sold by Aspen. Log in and start reading now. Garmin will upgrade it to the GTX330ES, which has ADS-B Out, but requires a WAAS GPS input. However, the empty weight is also higher, by 337 pounds. There could be major panel work involved, and it might not work fully with your autopilot. It's a pricey and time-consuming effort that many Belvoir Media Group, LLC. Rare find! Diversity and the version made for helicopters. . [parts], [*parts Piper Comanche PA-24 Models.