(CNN) — A UPS cargo plane crashed Wednesday morning on approach to a Birmingham, Alabama, airport, according to an FAA spokeswoman.
It was unclear whether anyone was injured in the crash of the A300 aircraft, which happened around 4:45 a.m. (5:45 a.m. ET) in an open field outside the fence of Birmingham-Shuttlesworth International Airport, according to Toni Bast of the Birmingham Airport Authority.
The aircraft was headed to Birmingham from Louisville, Kentucky, FAA spokeswoman Kathleen Bergen said.
The National Transportation Safety Board will send a quick-response “go team” of investigators to the site, the agency said.
CNN”s Mike Ahlers and Stephanie Gallman contributed to this report.