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The flight took off from Sharjah late yesterday afternoon and climbed up to 35,000ft.
Slightly over an hour later, it rapidly gained altitude and then fell sharply within minutes, said FlightRadar24, a flight-tracking website.
Locals reported seeing flames erupting from the engine before the aircraft crashed.
It then hit a mountain near Shahr-e Kord and burst into flames.
All bodies were heavily burnt.
Mina, who joined the company as board member in 2013, was in line to run the Basaran business, which deals in food, energy, finance, construction and tourism.
She was also into fashion and had appeared in Vogue Turkey.
Photos of the plane and her bachelorette had been posted on Mina's Instagram, where she has over 58,000 followers.
She was due to marry March end.