Five persons lost their life when a private aircraft crashed into an under construction building at Ghatkopar in Mumbai on Thursday afternoon. While four of them were on board the flight, the fifth deceased was a person who was on the ground where the wreckage of the plane fell. While more than 24 hours have since passed, this is what we know so far about the Ghatkopar plane crash.

* It was a test flight for the ill fated King Air C-90 12-seater aircraft that had taken off from the Juhu airstrip. It lost control 4 nautical miles from Juhu, according to the Air Traffic Control (ATC) sources

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* The test flight was to avail an Airworthy Certificate. The aircraft had been earlier issued a temporary airworthy certificate to fly

* Mumbai Police sources said the aircraft had been undergoing repairs and maintenance work for the past one year

* According to a statement issued by the Ministry of Civil Aviation, the aircraft last flew on 22 February 2008, when it was with Uttar Pradesh government. The aircraft was bought by UY Aviation in 2014

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* Anil Chauhan, a manager at UY Aviation, told a TV channel the aircraft had not yet been handed over to the company and did not have a certificate of airworthiness

* DGCA officials have found the crucial ‘black box’ — the Aircraft Voice Data Recorder — that will help them investigate the events leading to the crash

* The four person on board the plane were pilot Capt Pradeep Rajput, co-pilot Capt Maria Zuberi, aircraft maintenance engineer Surabhi Gupta and junior technician Manish Pandey. All four died on the spot

* Govind Dubey, a construction labourer, was on the ground when the plane crashed, triggering a fire as its jet fuel tank exploded

* Aircraft maintenance engineer Surabhi Gupta was said to be pregnant. She reportedly got married around a year ago

* Flight technician Manish Pandey was also a newly married man. He got married only six months ago

* There were a group of 35-odd people working at a construction site near the crash site. They had a narrow escape as they had taken a break for lunch when the tragedy occurred

* This was the second air accident in Maharashtra this week. A Sukhoi Su-30M aircraft crashed near Nashik on Wednesday

* According to media reports, Advocate Prabhat Kathuria, co-pilot Capt Maria Zuberi’s husband, has sought action against the company saying Maria had told him that the weather conditions were not favourable for the test flight but the company ignored her warnings and insisted on flying it.