Diamond Aircraft Ind Inc DA20-C1 accident near Payson, UT
On November 17, 2010, a Diamond Aircraft Ind Inc DA20-C1 (airplane) was involved in an accident near Payson, UT. 2 people died. Damage to the aircraft: substantial.
- Date
- November 17, 2010
- Place
- Payson, UT
- Aircraft
- Diamond Aircraft Ind Inc DA20-C1 · Airplane
- Injuries
- 2 fatal, 0 serious, 0 minor
- Damage
- Substantial
- Position
- 40.038°N, 111.740°W
- NTSB ID
- 20101117X70315
Official records · WPR11FA050
- Public docket: reports, statements and exhibits from the investigation
NTSB summary
HISTORY OF FLIGHT On November 17, 2010, at 1306 mountain standard time, a Diamond DA20-C1, N978CT, descended vertically in a spin or spiral and impacted terrain in Payson, Utah. The airplane was operated by Utah Valley University (UVU) Aviation Science Department under the provisions of Title 14 Code of Federal Regulations Part 91. The commercial pilot/certified flight instructor and a student pilot were killed, and the airplane was substantially damaged. Visual meteorological conditions prevailed, and a company flight plan had been filed. The instructional flight originated at Provo Municipal Airport, Provo, Utah, at 1245. Witnesses reported hearing and seeing the airplane descend vertically in a spiral or spin making numerous rotations before impacting the driveway of a residence. Sounds consistent with engine operation during the descent were also reported. The airplane was operating below the radar coverage area. No radio distress call was received by local air traffic control agencies or the dispatcher monitoring the Utah Valley University base frequency at Provo Airport. The certified flight instructor (CFI) had flown 28 flights with the student since January 27, 2009. The student pilot was preparing for his final (end of course) private pilot check flight. Maneuvers being practiced on this flight were stalls, slow flight, and landing pattern. The aircraft wreckage was located directly under a designated practice area (practice area D). The aircrew had called on the common base frequency and coordinated the use of high altitude practice area D. The floor of the workin
Probable cause
The pilots' failure to maintain adequate airspeed during a slow flight maneuver that resulted in a stall and spin, and the flight instructor’s delayed or improper remedial actions to recover from the spin. Contributing to the accident was the flight school’s inadequate safety program.
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Browse: Utah · Diamond Aircraft Ind aircraft
Source: NTSB aviation accident database (US government, public domain). Findings may be preliminary or later revised by the NTSB. Not a complete global record.
