(KGTV) -- Details on what may have led to the crash that killed NBA star Kobe Bryant, his daughter, and seven others has not been determined, as the National Transportation Safety Board launched its investigation on Monday.
The aircraft was on its way to Thousand Oaks when it went down less than 25 miles away in Calabasas.
Federal Aviation Administration (FAA) records obtained by 10News show the aircraft flown by a single pilot that was carrying Bryant and seven other passengers was a Sikorsky S-76B twin-engine helicopter.
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Sikorsky is a subsidiary of defense company Lockheed Martin.
Following confirmed reports of the crash, Sikorsky tweeted: "We extend our sincerest condolences to all those affected by today’s Sikorsky S-76B accident in Calabasas, California. We have been in contact with the NTSB and stand ready to provide assistance and support to the investigative authorities and our customer."
We extend our sincerest condolences to all those affected by today’s Sikorsky S-76B accident in Calabasas, California. We have been in contact with the NTSB and stand ready to provide assistance and support to the investigative authorities and our customer.
— Sikorsky (@Sikorsky) January 26, 2020
According to Business Insider, the helicopter that crashed Sunday was built in 1991 and owned by Van Nuys-based Island Express Holding Corp. and either chartered or leased by Bryant.
The helicopter was registered to Island Express Holding Corp. in Sept. 2015, according to FAA records.
The S-76B was designed for corporate transportation, especially within the oil industry, where executives were traveling between land and off-shore drilling platforms and was inspired by the UH-60 Black Hawk military helicopter, according to the publication.
The site says the helicopter's good safety record "has been largely attributed to its twin-turbine design, along with more rigorous training standards than some other civilian models, and the fact that it's frequently flown by two pilots, unlike most light helicopters."
Click here for more information on the flight path.
City News Service contributed to this report.