

Fish and Wildlife aviators battle Arctic conditions to track down a polar bear population; a bush pilot races fading daylight to save a business; Anchorage field crews battle to clear an icy runway; CBP officers investigate suspicious cargo.

Pilots fly over the dangerous Brooks mountains, so engineers can fix a remote weather station, a veteran pilot tests a rookie on their bush plane landings, crews fight ice and wind to save a winter festival, and engineers race.

In Southern California, crews rebuild after the 2025 wildfires, cutting firebreaks, repairing emergency water systems, hardening roads and power lines and building fire-resistant homes before the next firestorm.

A U.S. military plane veers off course and flies into a mountain while attempting to land at Dubrovnik Airport in Croatia in heavy fog, killing all 35 people on board.

Korean Air Cargo Flight 8509 crashes shortly after take off from London Stansted Airport on December 22, 1999.

A plane crash lands in Guam after losing sight of the airport in a storm.

Indonesia AirAsia Flight 8501 stalls and crashes into the Java Sea while flying through a thunderstorm.

A modern turboprop nosedives towards the North Sea after being struck by lightning, an unusual feature in the plane may explain why.