The latest update on the investigation into the cargo-plane crash involving United Parcel Service (UPS) near Louisville Muhammad Ali International Airport (SDF) in Kentucky shows the state of the official investigation into the incident. Eleven people are now said to be died.

On Wednesday, the National Transportation Safety Board (NTSB) confirmed that the cockpit voice recorder (CVR) and flight data recorder (FDR) — commonly referred to as the “black boxes” — have been recovered from the wreckage of the aircraft. Board Member Todd Inman stated that both recorders appeared to be intact despite the post-crash fire and that the agency is confident they will be able to download useful data.

According to preliminary statements, airport-surveillance footage indicates that the left-side engine of the aircraft detached during the take-off roll, which is now a primary focus of the investigation. A large debris field has been mapped out by investigators, who say they will remain on site for an extended period to gather evidence, interview witnesses and analyse the recorders.

At this stage the NTSB has not publicly released any findings about the flight crew’s identities. The operator, UPS, has confirmed there were three crew members onboard the aircraft — a typical complement for the model involved — but has declined to name them.  The company statement emphasises cooperation with the NTSB and the Federal Aviation Administration (FAA) and affirms its commitment to support the investigation.

Commercial-aviation analysts note that the recovery of the recorders so early in the process is a positive sign, as it may facilitate a faster determination of probable cause — though a full investigation typically takes 12 to 24 months. Investigators will examine mechanical failure (notably the engine separation), structural damage, weight-and-balance issues, and procedural factors including the crew’s decision-making during the emergency. There is also close scrutiny of the aircraft’s maintenance history and the loading conditions at the time of take-off given the heavy fuel load on board.

From a business-perspective the outcome of the investigation matters for UPS’s air-cargo operations and broader supply-chain risk profile. Should a component fault or operational lapse be identified, it could trigger regulatory scrutiny, affect insurance and liability exposure, and prompt a review of hub-operations practices. The early recovery of the black boxes and the transparency of the investigative process may help mitigate reputational damage.

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