The disappearance marks the third major incident in U.S. aviation in eight days. A commercial jetliner and an Army helicopter collided near the nation’s capital on Jan. 29, killing 67 people. A medical transportation plane crashed in Philadelphia on Jan. 31, killing the six people onboard and another person on the ground.

Crews in Alaska are searching for a plane that went missing with 10 people on board while over Norton Sound off Nome.

The plane was flying from the Alaskan coastal city of Unalakleet to another city along the Bering Sea coast, Nome—a journey that usually takes less than an hour.

A search is underway in Alaska after a plane with 10 people on board did not arrive in Nome when scheduled, officials said. The Bering Air Caravan flight, from Unalakleet to Nome, was reported overdue to Alaska State Troopers at 4 p.m. local time, the law enforcement agency said. Nine passengers and a pilot were on board, officials said.

The plane, a Cessna 208B Grand Caravan aircraft owned by Bering Air, was reported to have been flying from Unalakleet to Nome.

A plane carrying 10 people over Alaska went missing on Thursday, and crews are still searching for the aircraft. Here's what to know.

A plane carrying 10 people went missing while waiting for the runway to be cleared in Nome, Alaska, Thursday afternoon. Here's the latest.

An aircraft carrying 10 people across Alaska’s Norton Sound south of the Arctic Circle went missing Thursday afternoon and rescuers searched into the night for any sign of the aircraft. The Bering Air Caravan was heading from Unalakleet to Nome with nine passengers and a pilot,