CircumFlightN1664D accident
NTSB WPR23LA260 · 2023-07-07 · Fremont Island, UT · near 89D
Docket — crew, injuries and powerplant
Factual narrative
According to the flight instructor, during the landing roll the pilot undergoing instruction applied asymmetrical braking and locked the left brake. This led to a ground loop. The airplane sustained substantial damage to the right wing. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.
Probable cause
The pilot undergoing instruction’s excessive application of asymmetrical braking during landing, which resulted in a ground loop. The National Transportation Safety Board determined the probable cause of this accident.
Circumstances
- Event type
- Accident
- Highest injury
- None
- Weather conditions
- Visual Meteorological Cond
- Light condition
- Day
- Ceiling (ft)
- 0
- Wind direction
- 0
- Temperature (F)
- 93
- Nearest airport
- Freemont Island Lower
- Distance from field
- 0.0
- Airport elevation
- 4215
Aircraft
| Registration | Make | Model | Damage | FAR part |
|---|---|---|---|---|
| N1664D | — | — | SUBS | 091 |
Sequence of events
| # | Occurrence | Phase |
|---|---|---|
| 1 | Landing-landing roll Loss of control on ground defining | Cruise |