A medical evacuation plane flying to Mexico by way of Missouri crashed after takeoff in Philadelphia Friday night, killing all six people on board. At least one person on the ground also died.
The Friday letter came two days after a midair collision between a Black Hawk helicopter and a commercial airliner near the national’s capitol killed 67.
A medical transport jet transporting a child who had just completed treatment for a life-threatening condition, her mother and four others crashed into a Philadelphia neighborhood.