Alaska investigator Clint Johnson says the agency does not want to speculate and will know far more after reviewing data from a cockpit imaging and flight data monitoring device.
The crash April 30 killed 55-year-old pilot Mel Nading, 40-year-old Trooper Tage Toll, and an injured snowmobiler they had picked up, 56-year-old Carl Ober of Talkeetna.
The helicopter crashed 5.6 miles east of Talkeetna on a flight that should have taken only about five minutes from the snowmobiler's pickup site to medics waiting in the town.
Johnson says the helicopter had flown 2.5 to 3 miles when it crashed.
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