This is the high-quality Soundset for the Piper PA31T CHEYENNE II with Pratt & Whitney PT6A-28 recommended for the beautiful Carenado Piper Cheyenne II or similar models
The sound was taken up from a genuine airplane and processed digitally for the real-feel environment.

Features:

• CustomSounds for every knob,cards plastic no-smoke-sign,seatbelts and many more 
• Full Prop-featheringsound including Beta-Range
• Orginal Flapssound with wind effects
• Orginal Alternators
• Authentic Startup procedures
• Authentic shutdown effects
• Authentic Groundroll with structure shake airspeed controlled
• Propeller managment in all conditions of flight
• Touchdown for every wheel
• Orginal Open/Close Door sound with lock and windstream (cabin-Pressure)
• Engine cooling down sounds inside&outside including Airport Traffic environment
• Gear Up&Down with windstream geardoors and locked effects
• Gear warning when gear is not retracted or Down&locked by Throttle
• Passengers no smoking and seat-belt Sign with Seatbelt-sound in cabin (if required)
• Seat-belt animation when shutdown&parked
• Asymmetric Engine-Run on each side by Throttle and Propeller Control
• Wind effects in cabin speed controlled
• De-icing features (outside only)
• Super soundproofing for lower noises in cabin
• Structure and Airframe overloaded effects
• Scrape effects,structure,Airframe,Cabin
• overG warning with structure overloaded sound
• Stall Warning with structure shaked
• Full crashsounds including:
• gearUp landings with ELT-signal
• water landings with ELT-Signal
• any other conditions with ELT-Signal
• Gear broken sounds in case of Gear failure (FSX-system failures)
• Engine failure effects (FSX system failures)
• Cabin heat sounds
• Full compatible to Carenado build-in soundeffects
• Full compatible to A2A Akku-sim tool
• Runs great in Prepar 3D V2 V3xx
• all other soundtools and environments (3rd addon packages)
• Tested by real PT6 pilots.Sounds like the real thing