Diamond Aircraft Ind Inc DA20-C1 N643DC accident near Nephi, Utah

Jun 25, 2026 · NTSB number WPR26LA235 · Preliminary report

Preliminary information

On June 25, 2026, about 0905 mountain daylight time, a Diamond DA20-C1, N643DC, was substantially damaged when it was involved in an accident near Nephi, Utah. The flight instructor and the student pilot were not injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 141 instructional flight.

The flight departed Spanish Fork Airport (SPK), Spanish Fork, Utah, about 0741. According to the flight instructor, during the training flight they elected to perform a simulated engine-out approach to a field. The flight instructor reduced the engine power to simulate the engine failure, and the student maneuvered the airplane toward the selected landing area. As the airplane approached the field, the flight instructor advanced the throttle to full power; however, the engine did not respond. The flight instructor subsequently assumed control of the airplane and performed a forced landing.

During the landing rollout, the airplane struck a ditch, which resulted in substantial damage to the right wing and fuselage.

The airplane was retained for further examination.

Text from the NTSB; a preliminary report can change and names no cause. Open the NTSB docket for WPR26LA235 for the full record.

Event

Date
Jun 25, 2026
Type
Accident
Place
Nephi, Utah
Nearest airport
None (Fiel)
Highest injury
None

Diamond Aircraft Ind Inc DA20-C1

N-number
N643DC
Category
Airplane
Year built
2001
Damage
Substantial
Operating rule
Part 91 (general aviation)
Purpose of flight
Instructional

From the NTSB aviation accident database: N-registered aircraft, events since 2008, data through Oct 28, 2026. The file is published monthly, so the latest weeks are incomplete and recent records can change. The official source is the NTSB aviation investigation search. CheckAero is independent and not affiliated with the NTSB.