Petersburg Pilot -

ANCHORAGE, Alaska (AP) — A preliminary report from the federal agency investigating the fatal helicopter crash in Alaska that killed five people, including the richest man in the Czech Republic, sheds little light on the cause.

The Tuesday report from the National Transportation Safety Board said the helicopter involved in a heli-ski operation in the Chugach Mountains just north of Anchorage flew multiple legs on March 27, transporting the skiers to several starting points near Knik Glacier.

Data obtained from a handheld GPS unit shows the helicopter started another trip at 6:27 p.m. on a...