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NTSB investigating runway incursion involving airliner and snowplow in Denver
6 February 2007

The NTSB is investigating a runway incursion incident at Denver. At about 5:38 p.m. on February 2, 2007, a United Airlines Boeing 737, operating as flight 1193 from Billings, Montana, landed on runway 26 at Denver International Airport (DEN). One of the pilots noticed a snowplow on the runway and the crew used maximum braking power and full use of the thrust reversers to bring the aircraft to a complete stop. The plane missed the snowplow by about 200 feet. There were no injuries to the 101 persons aboard or the operator of the snowplow. The plow was being escorted by an airport operations vehicle that was in radio communications with the air traffic control tower, but the vehicles had become separated, with the escort vehicle already having cleared the runway. It is
unclear if the snowplow was in radio communications with either the escort vehicle or the tower. Visibility at the time of the incident was about 10 miles. (NTSB)