Under investigation is what role a bird strike played in the air disaster that killed 179 people, the deadliest on the nation’s soil.

The South Korean Ministry of Transport announced it would release a preliminary report on the Jeju Air plane crash by Monday.

Experts say that changes put in place after Avianca and similar crashes have improved aviation safety for millions.

Six people were injured on a flight from Nigeria to Virginia. The airline also saw a series technical issues in March.

United Airlines said it was cooperating with U.S. and Nigerian investigators to determine what exactly happened on the flight ...