A widely used Boeing aircraft, the 737-800, was involved in Sunday’s crash-landing of a Jeju Air flight that killed 179 people.

The cause of the crash probably won’t be determined for months, with investigators expected to focus on a wide range of issues.

The deadly crash this week of an Azerbaijani passenger jet — with Russian air defenses as the suspected culprit — brings into focus a little-noticed aspect ...

The crash of a passenger jet heading from Azerbaijan to the Chechnya region of Russia on Christmas Day has killed at least 38 people, officials said. ...