This is the high-quality Soundset for the Beechcraft Duke B60 Turbine v2 with Pratt&whitney PT6A-35 recommended for the beautiful REALAIR Duke B60 TURBINE V2.
The sound was taken up from a genuine airplane and processed digitally for the real-feel environment.

Features:

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 RealAir build-in soundeffects
Full compatible to A2A Akku-sim tool
Runs great in Prepar 3D V2xx
all other soundtools and environments (3rd addon packages)
Tested by real PT6 pilots.Sounds like the real thing