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NTSB has issued an investigative update for its ongoing investigation of the fatal, Jan. 26, 2020, helicopter crash near Calabasas, California. The Sikorsky S-76B helicopter collided with hilly terrain and was destroyed by impact forces and fire. The pilot and eight passengers were fatally injured. "Our investigators have already developed a substantial amount of evidence about the circumstances of this tragic crash," said NTSB Chairman Robert L. Sumwalt. "And we are confident that we will be able to determine its cause as well as any factors that contributed to it so we can make safety recommendations to prevent accidents like this from occurring again.&rdq