Investigators examining large debris field after deadly medical jet crash

A Learjet crashed in Philadelphia, killing all six onboard and injuring 19 on the ground. The crash involved a mother and daughter returning from medical treatment. The NTSB is investigating, and Jet Rescue Air Ambulance claims the plane was well-maintained. The incident follows another aviation accident involving a Blackhawk helicopter. Casualties include one death and several injuries treated at a local hospital.

What concerns did the community express regarding aviation safety?

What were the reported casualties on the ground following the crash?