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 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 ...

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 ...

Jet Rescue Air Ambulance, a company based in Mexico, operated the Learjet 55, a medical jet that crashed in Northeast Philadelphia on January 31 at 6:30 pm local time. The plane which was on its ...

A medical transport jet crashed on Friday in northeast Philadelphia. The Learjet 55 had six people on board when it went down shortly after departing Northeast Philadelphia Airport, according to ...

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 ...

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 ...

Early reports suggest windy and snowy conditions may have played a role in the crash. A Learjet 35A crashed into a parked Gulfstream 200 jet about 2:45 p.m. Arizona time after landing at ...

The Federal Aviation Authority (FAA) said that around 3:45 p.m. CST, a Learjet 35A veered off the runway after landing and crashed into a Gulfstream G200 business jet. The Scottsdale Fire ...