January 17, 2014
Question: While walking the ramp one day you were staggered by the beauty of one airplane’s polished propeller blades. Is polishing an option for the propeller on your airplane?
Answer: Possibly. It is best to check with the propeller manufacturer to determine if polishing is acceptable. This is because to achieve the polished look, corrosion protection such as paint is often removed. According to a 2008 special airworthiness information bulletin, “Polished propeller blades are rarely an acceptable configuration”.
Aircraft Power and Fuel
Preheating is about far more than just oil temperature. Proper preheating involves heating the entire engine, so that all critical engine parts can be brought into the ‘safe’ temperature range.
Red Bull Air Racing has returned for 2014, with Paul Bonhomme, twice a world champion of past years’ competitions, claiming a victory.
Honeywell's Turbine-Powered Civil Helicopter Purchase Outlook shows strong demand for new helicopters.
AOPA thanks our members for their continued support in protecting the freedom to fly.