A private jet with two pilots and two technicians crashed at a construction site in Ghatkopar, Mumbai, India, killing all passengers onboard and one person on the ground.

The crash also injured three labourers who were present at the construction site.

Owned by Mumbai-based UY Aviation, the Beechcraft King C90 aircraft was undertaking a test flight after three years of maintenance when the incident happened.

The aircraft burst into flames after hitting a unit of the Lifescapes Prithvii building that was under construction.

Police and firefighters were deployed at the crash site within ten minutes, said eye-witnesses.

“We have sealed flying and maintenance records of the aircraft company. Call records with ATC have also been seized.”

The victims have been identified as Captain P S Rajput (49), co-pilot Marya Zuberi (47), aircraft maintenance engineer Surabhi and technician Manish Pandey. The deceased pedestrian is yet to be identified.

Surabhi and Pandey were employed by a company involved in the repairs of the plane.

According to India’s Directorate General of Civil Aviation (DGCA) officials, low visibility caused by heavy rain, or engine failure could have caused the crash.

Rescue officials have recovered the black box and flight data recorder, which have already been submitted to the DGCA’s office for further investigation.

A DGCA official was quoted by indianexpress.com as saying: “We have sealed flying and maintenance records of the aircraft company. Call records with ATC have also been seized.”

The Beechcraft aircraft had been granted a temporary airworthy certificate to fly before the crash. It flew for nearly 40 minutes and was supposed to land at Juhu airport in Mumbai.