A small medical jet carrying a child patient crashed in Philadelphia, sparking a massive explosion and a flurry of questions.
Four people were on the Learjet and one person was on the Gulfstream ... The airfield is described on the airport's website as "a basic training facility for World War II Army Air Corps pilots ...
The plane, a Learjet 55, quickly disappeared from radar ... crew and everyone involved in these flights goes through rigorous training. "When an incident like this happens, it's shocking and ...