Equipment failure led Flight 232 from Denver to Chicago to crash in Sioux City in 1989, killing more than 100 people.

From United Flight 232 in Sioux City to the loss of Buddy Holly in Clear Lake: What's Iowa's history with fatal plane crashes ...

The deadliest crash, United flight 232, happened when a Douglas DC-10 flying from Denver to Philadephia experienced an engine failure and made an emergency landing in Sioux City on July 19 ...

It's one of the most important pieces of forensic evidence following a plane crash: The so-called “black box." There are actually two of these remarkably sturdy devices: the cockpit voice ...

Here are some of the deadliest commercial plane crashes in the U.S. since the Air ... failure and crashed while attempting to land in Sioux City, Iowa, killing 110 passengers and one crew member.

Here are some of the deadliest commercial plane crashes in the U.S. since the Air Florida disaster ... experienced an engine ...