Cessna 207
Conversion Offering
Davis Aviation offers engine upgrades for all Cessna 207 and 207A models, replacing the IO-520 F with a 300 HP IO-550 F engine. This upgrade includes various propeller options to meet your needs.
Known as the “Bonaire 550,” this conversion improves performance with shorter takeoff rolls, faster climbs, and better cruise speeds—continuing where Cessna left off in the 1980s. Obsolete propellers are replaced with newer designs, making this upgrade a cost-effective solution.
Propeller Options:
- Takeoff/Climb: Hartzell Top Prop and McCauley Black Mac
- Cruise: Hartzell Scimitar
- Balanced Performance: Hartzell 3-blade, 80 or 82 inch Super Scimitar
If you already upgraded your propeller, provide the model number to confirm compatibility with the IO-550 STC.
Propeller Kit Package Includes:
- New propeller, spinner assembly, tachometer, MP/FF gauge, silicone baffling, shock mounts, firewall-forward hoses (firesleeving optional), hardware, placards, and STC paperwork
- Partial kits are available if you have a compatible propeller
We also offer a propeller-only option now, with the full IO-550 engine upgrade available later. This allows you to spread the conversion cost over time, aligning it with your TBO.
*Note: Long hub propellers can be installed on short hub serial numbers to move CG forward. Hartzell propeller installation uses a spinner extenson. McCauley options uses a different Cessna spinner.
IO-550 Conversion Improvements
- 400 inch lbs more torque over the IO-520 F engine/15% More Horsepower at Cruise.
- Quieter operation: the noise level at 2700 RPM is greatly reduced.
- 10-20 MPH additional cruise speed improvement depending on propeller choice.
- 10%-20% better rate of climb at gross Continuous 300HP without limitations.
- Short field take-off 10%-20% less at full gross weight.
- Cost difference is normally offset by the added value to the plane
Why Upgrade Your Older Cessna?
– Walter Raleigh.
Davis Aviation is focused on each customer’s needs and offers specialized service to a global clientele. We have over three decades of experience in aviation conversions and can help you with engine and propeller upgrades, other STC upgrades, parts, and more.
Upgrading your single-engine Cessna is as easy as 1-2-3!
Contact Us
Approve Your Quote
Get What You Need
Contact us with your needs and Cessna aircraft type to learn more!
Call +1-423-652-1113, Email dasi@charter.net or complete the form.
