Authorities have suggested that migratory bird strikes were the cause of last month's deadly plane crash in South Korea, according to multiple reports.

A small American Airlines jet collided with a Sikorsky H-60 military helicopter on approach to Reagan Washington National Airport and crashed in to the Potomac River on Wednesday night.

The preliminary report was released by the Aviation and Railway Accident Investigation Board on Monday in South Korea.

Jeju Air Accident Prelim Report Says Ducks Ingested By Both Engines is published in Aviation Daily, an Aviation Week Intelligence Network (AWIN) Market Briefing and is included with your AWIN membership. Already a member of AWIN or subscribe to Aviation Daily through your company? Login with your existing email and password

Pilots’ actions after the bird strike are an early focus of the investigation, according to people familiar with the probe.

Bird feathers and bloodstains were found in both engines of the Jeju Air plane that crashed in December, according to a preliminary investigation released Monday.

Bereaved family members of the Jeju Air plane crash honor the victims through a joint ancestral rite -- also known as charye -- at the memorial altar set up for the plane crash victims at Muan International Airport on Wednesday,

Both engines of the Jeju Air plane that crashed last month contained duck remains, according to a preliminary report.

A midair collision near Reagan National Airport has raised questions about aviation safety protocols, following Donald Trump’s controversial hiring freeze on air traffic controllers just days prior.

A passenger jet collided with a Black Hawk helicopter near Reagan Washington National Airport.Four crew members and 60 passengers were aboard the jet, and three aboard the helicopter.John Donnelly, the Washington DC fire chief,

To prevent confusion in future crises, airlines must review protocols concerning passengers seated in exit rows and ensure that their responsibilities in an emergency are clearly defined.