Tyler Ives SD-1 TG accident near Spanish Fork, UT
On September 6, 2013, a Tyler Ives SD-1 TG (airplane) was involved in an accident near Spanish Fork, UT. 1 person died. Damage to the aircraft: destroyed.
- Date
- September 6, 2013
- Place
- Spanish Fork, UT
- Aircraft
- Tyler Ives SD-1 TG · Airplane
- Injuries
- 1 fatal, 0 serious, 0 minor
- Damage
- Destroyed
- Position
- 40.142°N, 111.685°W
- NTSB ID
- 20130906X73030
Official records · WPR13FA399
- Public docket: reports, statements and exhibits from the investigation
NTSB summary
HISTORY OF FLIGHTOn September 6, 2013, at 0809 mountain daylight time, an Ives SD-1 TG experimental amateur-built airplane, N123SD, departed controlled flight and impacted flat open terrain in a nose-low attitude about 1 mile west of the Spanish Fork Airport-Springville-Woodhouse Field (U77), Spanish Fork, Utah. The pilot operated the airplane under the provisions of 14 Code of Federal Regulations Part 91, as a test flight for the owner/builder of the airplane. The pilot, the sole occupant, was fatally injured; the airplane was destroyed. Visual meteorological conditions prevailed for the local area flight that departed U77 about 0805, and no flight plan had been filed. According to the owner of the airplane, the accident flight was the fourth test flight. Ground crew members reported that the pilot arrived at the airport about 0645, and a preflight inspection was performed, with no discrepancies noted with the airplane. Three GoPro cameras were mounted to the airplane and to the pilot. The ground crew also reported that the pilot was flying the airplane in the traffic pattern at the time of the accident. One of the ground crew reported that he did not personally witness the accident, but he stated that the other ground crew started shouting about the pilot performing barrel rolls, which he had never performed before. He further reported that the barrel rolls were not scheduled for the day's test flight. Another one of the ground crew reported that the pilot performed one roll, and midway through the second roll, the ballistic parachute was deployed, almost immediately sepa
Probable cause
The pilot’s failure to maintain airplane control while performing prohibited aerobatic maneuvers and the deployment and separation of the ballistic parachute system from the airframe for reasons that could not be determined due to the severity of impact damage to the system.
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Source: NTSB aviation accident database (US government, public domain). Findings may be preliminary or later revised by the NTSB. Not a complete global record.
