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8 Featured Plane 
Cessna 172N SuperHawk 
A Skyhawk With 180 hp Upgrade 
By Stephanie Finnegan 

18 Avionics 
Carbon Monoxide Revisited 
By Bob Hart  

FAA Article “An ‘Unconscious’ Landing” About Dr. Robert Frayser’s CO Accident 

Guardian Avionics CO Detectors for Certified Aircraft

Sporty’s / ForeFlight Sentry Plus ADS-B Receiver

Lightspeed Delta Zulu ANR Headset With CO Detection

22 Sky Talk 
Modifications and Upgrades 
How Improvements Affect Insurance 
By Scott “Sky” Smith  

26 Powder Coating Plane Parts 
An Alternative to Paint 
By John A. Bradley 

34 Wings of Hope 
Celebrating 60 Years of Changing and Saving Lives Through the Power of Aviation 

Wings of Hope video 

36 Preparing for Your Next Flight Review 
By Scott Sherer 


Aircraft Spruce 

Sporty’s Pilot Shop 

40 Industry News 

Six Pack Aero 

Garmin PlaneSync 


46 Hangar Tip  
Oil Changes and Annuals 
By Elizabeth Gibbs 

Paul New Webinar 

Member Activity 

41 Member Q&A 

43 Member Photos 

6 From the Editor 
45 Advertising Index 

On the Cover
Photo of Rex Womble’s 1978 Cessna 172N SuperHawk by Jack Fleetwood (