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Cessna 188 Cessna 188
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Cessna 188

Davis Aviation Services, Inc., now offers the STC to convert your Cessna 188 to the IO-550 with the various propeller options!

Formerly known worldwide as the "Bonaire 550", this conversion provides for the upgrade to the IO-550 engine. With either the McCauley or the Hartzell propeller option, performance is phenomenal with shorter takeoff roll, increased rate of climb, and faster cruise speeds.

Hartzell Service Center offers propeller upgrades for the Cessna 188 to accompany your existing IO-520 engine. Davis Aviation can supply this upgrade. The remainder of the IO-550 upgrade can be purchased, as you approach TBO, to complete the performance modification.

Cessna 188 IO-550 Conversion Improvements:
  • 40 to 50 gallons more load per flight.
  • Quieter operation: the noise level at 2700 RPM is greatly reduced.
  • No limit in full throttle operation.
  • Excess vibration virtually eliminated.
  • Lower fuel consumption for the same %BHP.
  • 15 mph additional cruise depending on altitude configuration and gross weight.
  • 20% better rate of climb at gross.
  • Continuous 300 HP without limitation.

Cessna 188 Performance and Test Data

Performance and Test Data Not Yet Available On Website.

Please check back as this page will be updated.

Cessna 188 Testimonials

Hello Donna and team....
This is the newest Davis Truck now flying in Brazil with a Padle Blade Prop.
This  morning we made delivery to Solag Aviaçao Agricola, this is his second Davis Truck.
Thanks for one more year of business and all the CONTE AERO family would like to say HAPPY NEY YEAR to DAVIS AVIATION.


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