PHILADELPHIA — A key piece of hardware that aviation experts and pilots said could solve the mystery in the fatal crash of the medical transport Learjet on Jan. 31 turned out to be useless.

The Learjet 35A model received certain attention-grabbing honors like being selected to use as a military jet. Taking on the same role, it now operates with the name of C-21. The celebrity ...

A Mexican-registered Learjet 55, registered as XA-UCI, crashed near Cottman Avenue and Roosevelt Boulevard just after 6:30 p.m. on Friday, Jan. 31, after departing from Northeast Philadelphia ...

In a harrowing incident unfolding near a shopping mall in Northeast Philadelphia, a Learjet 55 crashed just before 6:30 p.m. on Friday, prompting emergency response teams and raising concerns ...

And while the doomed Learjet 55 was in contact with an air traffic control tower, "there were no distress calls received from the flight crew," the report said. The fiery crash killed six people ...

The NTSB's early investigation into the Jan. 31 crash revealed little about what caused the Learjet 55 to go down seconds after taking off from Northeast Philadelphia Airport. The jet slammed into ...

US investigators have disclosed that the cockpit-voice recorder on the ambulance Learjet 55 which fatally crashed in Philadelphia failed to capture audio from the flight. The 30min recording tape ...

SCOTTSDALE, Arizona -- One person is dead and at least three others are injured after a Bombardier Learjet 35A veered off the runway after landing at Scottsdale Airport and crashed into a ...

Credit: NTSB The cockpit voice recorder did not record the moments before a Learjet 55 medical jet crashed earlier this year in a Philadelphia neighborhood, killing six people on the aircraft and ...