The extraction of flight data from the Brazilian-made Azerbaijan Airlines plane that crashed in Kazakhstan last month was completed at a lab run by Brazil's air force, according to a statement released by the entity on Monday.

Experts from investigation commission to begin studying decrypted data from crashed plane’s black boxes as soon as they arrive in Astana, says Kazakh Transport Ministry - Anadolu Ajansı

The Brazilian Air Force Laboratory has sent data from the flight recorders of an Azerbaijan Airlines plane to Kazakh investigators. The plane crashed on December 25 near the city of Aktau, Radio Liberty reports.

After an Azerbaijan Airlines plane crashed in Kazakhstan in December, killing 38 people, a video surfaced across social media in multiple languages alongside the claim it showed the moments before the tragedy.

Brazilian investigators have extracted data from the two black boxes found at the crash site of the Azerbaijan Airlines Embraer E-190.

Azerbaijan Airlines, the carrier of the passenger jet that crashed in Kazakhstan on Christmas Day, said preliminary investigations have found the disaster occurred “as a result of physical and technical external interference,

The cause of the crash of Azerbaijan Airlines flight J2-8243 near the city of Aktau, Kazakhstan, is still unknown. The Kremlin has so far been tight-lipped, prompting questions over its messaging.

In the crash’s aftermath, Azerbaijan has unleashed rare and stinging criticism of Russia, with the country’s president saying Moscow’s response has caused “surprise, regret and rightful indignation.”