After investigating a few aluminum propeller failures, the NTSB has issued a Safety Alert and it’s particularly addressing backcountry pilots. “Aluminum propeller blades can be susceptible to fatigue cracking and fracture if a small nick, pit, or corrosion on the surface or edge is not found and repaired during preflight inspection or maintenance,” the NTSB … Continue reading NTSB Urges Better Prop Inspections