Features February 2015 Issue
Stacking the Deck
Certification for flight into known icing is expensive. Since most GA airplanes are Sunday drivers the benefit doesn’t justify the cost. Instead, airplane manufactures and aftermarket providers may offer pieces of a full system. This piecemeal application of anti-icing or de-icing equipment circumvents the testing requirements while providing a pilot with some additional—if not certified—options. Four methods of anti/de-icing exist: hot air, electrical resistance, liquid and boots.