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ASN Wikibase Occurrence # 133732
Last updated: 6 May 2021
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Type:Silhouette image of generic C172 model; specific model in this crash may look slightly different
Cessna 172E
Owner/operator:Brady L. Davis
Registration: N7780U
MSN: 17251780
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Watkins, CO -   United States of America
Phase: Take off
Departure airport:FTG
Destination airport:APA
Investigating agency: NTSB
On July 2, 1998, approximately 1940 mountain daylight time, a Cessna 172E (tail wheel conversion), N7780U, owned and operated by the pilot, was destroyed when it impacted terrain during takeoff at Watkins, Colorado. The commercial pilot and his private pilot-rated passenger sustained minor injuries. Visual meteorological conditions prevailed, and no flight plan was filed for the personal flight being conducted under Title 14 CFR Part 91. The flight was originating when the accident occurred.

According to the pilot's accident report, he had flown from Wray, Colorado, to Front Range Airport, Watkins, Colorado, where he landed, refueled, and waited 90 minutes for a thunderstorm to pass. He then took off en route to Englewood, Colorado. He returned to the airport shortly thereafter because he encountered "steady state precipitation." He waited for 30 minutes "until the rain and virga passed and the wind [had] died down." He took off from runway 17 into a 4 to 6 knot wind from 160 degrees. After climbing about 400 to 500 feet agl, he began to feel the airplane sinking rapidly. He maintained an airspeed of 60 to 65 knots during the descent, and the stall warning horn sounded intermittently. The airplane collided with rising terrain south of the airport. It was the pilot's opinion that he had encountered a microburst.

At the time of the accident, Denver International Airport, located 10 miles northwest of Front Range Airport, reported there were several cumulonimbus clouds at 5500 feet in the area, with winds from the east at 20 knots, gusts to 26 knots, and peak winds at 30 knots. A line of cumulonimbus clouds, stretching from the northwest to the northeast, were moving north with rain showers to the northeast.
PROBABLE CAUSE:The pilot's inadequate evaluation of the weather which resulted in an encounter with a microburst. Contributing was the airplane's climb capability exceeded by the microburst, and rising terrain.


NTSB id 20001211X10567

Revision history:

21-Mar-2016 16:05 beaverspotter Updated [Cn, Narrative]
21-Dec-2016 19:26 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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