The National Transportation Safety Board says a commuter plane that crashed on sea ice off Alaska and killed all 10 people on board was half a ton overweight for the known or possible weather conditions in the area.

A Douglas C-54 Skymaster has crashed into the Tanana River outside Fairbanks, Alaska.

Authorities in Alaska say search and rescue divers have recovered the bodies of a helicopter pilot and three state scientists whose aircraft went down in a shallow lake last week.

Foggy, reduced-visibility conditions have delayed efforts to recover the wreckage of a sightseeing plane that crashed in southeast Alaska, killing six people.

Efforts to recover the wreckage of a sightseeing plane that crashed in southeast Alaska last week and killed six people is on hold as investigators await a break in poor weather conditions.

This photo provided by the Alaska Mountain Rescue Group shows the scene of a helicopter crash near the Knik Glacier in Alaska on Sunday, March 28, 2021. The pilot and four of the five passengers on board died in the crash, including billionaire Petr Kellner, the richest man in the Czech Republic. The National Transportation Safety Board is investigating the cause of the crash just north of Anchorage on Saturday night. Among the dead in the Saturday evening crash was billionaire Petr Kellner, the richest man in the Czech Republic. The five passengers included three guests and two guides from the Tordrillo Mountain Lodge, said company spokesperson Mary Ann Pruitt.