On March 3, 1991, about 0944 mountain standard time, United Airlines flight 585, a Boeing 737-291 (737-200), N999UA, crashed while maneuvering to land on runway 35at Colorado Springs Municipal Airport, Colorado Springs, Colorado. Flight 585 wasoperating under the provisions of 14 Code of Federal Regulations Part 121 as a scheduleddomestic passenger flight from Denver, Colorado, to Colorado Springs. Numerouswitnesses reported that, shortly after completing its turn onto the final approach course, the airplane rolled steadily to the right and pitched nose down until it reached a nearlyvertical attitude before hitting the ground. The 2 flight crew members, 3 flight attendants, and 20 passengers aboard were killed, and the airplane was destroyed by impact forcesand fi