United Airlines flight 4919 made an emergency landing at Yampa Valley Regional Airport, Colorado, on September 30.
The de Havilland Dash 8-400 twin-turboprop aircraft, en-route from Aspen to Denver, was diverted after the pilots had to shut down its right engine due to a mechanical issue.
The plane landed safely.
No injuries were reported.

Pegasus Airlines flight PC-884 and UTAir flight UT-561 receive and follow TCAS resolution advisories and escaped collision at Domodedovo International Airport, Moscow Oblast, Russia, on November 2nd.
The Boeing 737-800 (Pegasus Airlines) en-route from Turkey to Russia, was about to land maintaining FL-120 route, however, it descended to FL-110. The Boeing 737-500 (UTAir) was about to take-off from FL-110 for Grozny, Russia, at the time.