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.

A JetBlue Embraer E190 and Hop-A-Jet-operated Bombardier Learjet 60 were involved in a near-collision at Boston Logan airport on February 27. Lee Aerospace identifies an opportunity to provide ...

One of the Learjet's pilots, Joie Vitosky, 78, was killed in the crash. Vitosky’s daughter, Jana Schertzer, told The Arizona Republic that her father had been a pilot for 60 years ... aviation — a ...