United Airlines Flight 585 was a Boeing 737-200 that crashed on March 3, 1991, while approaching Colorado Springs Municipal Airport. The flight, en route from Denver, experienced a sudden and uncommanded rudder movement, causing the plane to roll and dive.

All 25 people on board were killed. The crash was later attributed to a design flaw in the 737's rudder control system.

Key Details:

Flight:

United Airlines Flight 585, a Boeing 737-200

Date:

March 3, 1991

Route:

Denver to Colorado Springs, Colorado

Cause:

Uncommanded rudder movement, later identified as a design flaw in the Boeing 737's rudder control system

Outcome:

The aircraft crashed, resulting in the deaths of all 25 passengers and crew members.

Investigation:

The NTSB investigated the crash and determined the rudder issue was a likely cause after similar incidents occurred with other Boeing 737s, according to Aviation Safety Network.

Impact:

The incident led to modifications and redesigns of the Boeing 737's rudder system.