King Air C90


Getting the most out of your King Air C90 means utilizing all the benefits that Raisbeck Systems bring to your aircraft. For over 30 years, Raisbeck has engineered performance systems that make positive contributions to the following areas: payload, range, airport availability, cost, and ramp appeal. 

Put all of our systems together in the EPIC Performance Package, and you will be flying in the best King Air in the field. 



EPIC Packages

When you equip your King Air C90GT with a Raisbeck EPIC, you will receive a new Airplane Flight Manual Supplement that enables you to take advantage of the following performance benefits:
  • MTOW increase to 10,500 lbs
  • MLW increase to 9,700 lbs
  • FAA-certified short field performance
  • Worldwide noise certification
  • Quieter, more comfortable cabin and cockpit (1750 RPM cruise)
  • Open up more airports safely
  • Lock-in prop synchrophasing
The EPIC Performance package includes:
  • Raisbeck/Hartzell Quiet Turbofan Propeller System
  • Dual Aft Body Strakes
  • Airplane Flight Manual Supplement
Take advantage of special combination savings—and extra storage space outside the cabin—by adding Crown Wing Lockers when you complete your EPIC purchase.

EPIC Performance data: 

C90 EPIC Accel-Go Graph

EPIC Performance Data for C90GT vs C90

All C90 Systems

c90 sbtp system tn 300x201

The latest addition to the Raisbeck King Air Performance System line-up, the C90 Swept Blade Turbofan Propeller represents the most advanced prop technology. They give your C90 (all) the best performance in the field and stunning ramp presence!


The Dual Aft Body Strakes’ multifunctional capabilities reduce drag and noise—one product that goes a long way, and updates your aircraft to the modern look of today's King Airs.


Providing you with more baggage space and reducing drag, Raisbeck's Crown Wing Lockers help you optimize your cargo capabilities with zero performance loss.

C90 Engine Upgrades

All Raisbeck Performance Systems and C90 EPIC Performance Packages are fully compatible and certified with all Pratt & Whitney engine upgrades for C90 King Airs, including PT6A-135, PT6A-135A, PT6A-28, PT6A-34 and PT6A-35.

These engine upgrades are currently available from Blackhawk Modifications, Inc.

For more information on Blackhawk Modifications, click here.

Additional Resources

Additional Documentation (PDFs):