Here are some of the reasons why aircraft can catastrophically veer toward the ground like a medevac jet did in Philadelphia ...

The Learjet 55 medevac, registered as XA-UCI and operated by Jet Rescue Air Ambulance, was flying from Northeast Philadelphia ...

Six people - including a child have died - in the US's second deadly plane tragedy this week, which saw a Learjet 55 aircraft ...

A regional jet carrying 64 people collided with an Army Black Hawk helicopter. Reagan National Airport grounded all flights.

The U.S. Army Corps of Engineers is leading the removal effort, which will first focus on retrieving the mangled passenger plane ... of the crash and any contributing factors, will take one ...