This is the high-quality Soundset for the Cessna 421c Golden-Eagle III with Teledyne Continental GSIO-520N recommended for the beautiful Alabeo Cessna 421c Golden-Eagle III or similar models.

The sound was taken up from a genuine airplane and processed digitally for the real-feel environment.

• Authentie and Digital Recorded of Continental GSI0-520N
• CustomSounds for every knob,cards plastic no-smoke-sign,seatbelts and many more
• Full Prop-featheringsound inside & Outside
• Orginal Flapssound with wind effects
• Orginal Alternators
• Authentie Startup procedures
• Authentie shutdown effects
• Authentie Groundroll with structure shake airspeed controlled
• Propeller managment in all conditions of flight
• Touchdown for every wheel
• Orginal Open/C/ose Door sound with lock
• 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&/ocked by Throttle
• Asymmetrie Engine~Run on each side by Throttle and Propeller Contra/
• Wind effects in cabin speed controlled
• Super soundproofing for lower noises in cabin
• Structure and Airframe overloaded effects
• Scrape effects,structure,Airframe, Ca bin
• overG warning with structure over/oaded sound
• Stall Warning with structure shaked
• Full crashsounds including:
• gearUp landings with EL T-signal
• water landings with EL T-Signal
• any other conditions with ELT-Signal
• Gear broken sounds in case of Gear failure (system failures)
• Engine failure effects (system failures)
• Cabin heat sounds
• Full compatible to Alabeo build-in soundeffects
• Full compatible to A2A Akku-sim tool
• Runs great in all FSX-versions 
• Designed for Prepar 3D V2 V3 V4
• all other soundtools and environments (3rd addon packages)
• Tested by Beta and Realworld pilots.Sounds like the real thing