After analyzing the devices, the U.S. National Transportation Safety Board concluded​ that both the flight data and cockpit voice recorders stopped working about four minutes before the crash.

A Jeju Air jet in South Korea crashed last month due to bird strikes, leading to 179 fatalities. Investigators found bird feathers and blood in its engines. The crash occurred after overshooting the runway,

Before it suffered the deadliest crash in South Korea's history, budget airline Jeju Air was moving fast: racking up record passenger numbers and flying its aircraft more than domestic rivals and many of its global peers,

Bird feathers have been found in an engine recovered from the site of the deadly Jeju Air flight which crashed-landedand killed 179 people in South Korea, investigators said. The Boeing 737 -800 skidded off a runway at Muan International Airport and hit a concrete fence, bursting into flames, on 29 December.

SEOUL (Reuters) -South Korea plans to improve the structures housing the antenna that guide landings at its airports this year following December's fatal crash of a Jeju Air plane, which skidded off the runway and burst into flames after hitting such a structure.

A Jeju Air aircraft crashed in South Korea on December 29, killing 179 people. Bird feathers and blood has been found in the engines of the plane.

South Korea said it planned to improve the structures housing the antennas that guide landings at its airports this year after December's fatal crash of a Jeju Air plane, which skidded off the runway and burst into flames after hitting such a structure.

Muan international airport in South Korea, investigators have revealed the reason for the nation's worst aviation disaster. Reuters reported that blood and feathers were found in both the engines of the Jeju Air flight that allegedly led to the crash,