Nigeria, Aug. 15 -- The Nigerian Safety Investigation Bureau (NSIB) has said critical data from the flight recorder of the private jet that landed on a road near Asaba Airport was overwritten after the aircraft was flown back to Lagos before investigators could take custody of it.

The Director-General of the NSIB, Alex Badeh, disclosed this on Friday during a virtual media briefing, saying the development would make it more difficult for investigators to reconstruct what happened during the unusual landing.

The incident involved a US-registered Bombardier Challenger 601-3A operated by VMO Aero Limited, which landed on a paved road near Asaba Airport in Delta State on 10 June instead of the designated runway.

The aircraft, which was fly...