King Air C90GT/GTx


Getting the most out of your King Air C90GT/GTi/GTx means utilizing all the benefits that Raisbeck Systems bring to your aircraft. For over 34 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 Raisbeck's EPIC Performance Package and you will be flying the best-performing King Air in the field. 



EPIC Package

When you equip your King Air C90GT, C90GTi or C90GTx with Raisbeck's EPIC Performance Package, 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.

C90GT EPIC Performance Table

C90GT EPIC Takeoff Distance Graph

C90GT EPIC Accel Go Distance Graph

C90GT EPIC Landing Distance Graph

All C90GT/C90GTi/GTx 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.

Additional Resources

Additional Documentation (PDFs):