FlightGlobal Kopter flies first AW09 prototype with Arriel 2K engine https://www.flightglobal.com/helicopters/kopter-flies-first-aw09-prototype-with-arriel-2k-engine/152525.article Hype AI Summary Kopter has successfully flown their latest AW09 prototype, the first to be equipped with the Safran Helicopter Engines Arriel 2K engine. This maiden sortie marks a significant milestone for the Swiss helicopter developer.