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"There was no indications of a malfunction in the aircraft systems before the aircraft loss of control occurred".
This is a Sikorsky S76C+ accident in Indonesia 21.3.2015. Most likely we will see similar flight data from Nigeria AIB's final accident report when, if ever will be officially published. Interesting to see if the hydraulic fluid will be contaminated due to sudden wear of Nylon-Teflon servo actuator piston ring?
Let's hope that everything is good and the helo type is safe to fly now and in the future.