RYAN NAVION
Bismarck, MO, June 23, 2026
Event Information
| Date | June 23, 2026 |
| Event Type | ACC |
| Location | Bismarck, MO |
| Country | USA |
| Airport | Bismarck Memorial |
| Highest Injury | MINR |
| NTSB Number | WPR26LA229 |
| Event ID | 20260624203233 |
Aircraft
| Make | RYAN |
| Model | NAVION |
| Registration # | N4583K |
| Category | AIR |
| FAR Part | 091 |
| Aircraft Damage | SUBS |
Conditions
| Light Condition | DAYL |
| Weather | VMC |
Injuries
| Fatal | 0 |
| Serious | 0 |
| Minor | 1 |
| None | 0 |
| Total Injured | 1 |
Probable Cause
The pilot’s failure to remove the maintenance spacer before takeoff, which resulted in restricted flight control movement and a loss of control.
About This NTSB Record
This aviation event was investigated by the National Transportation Safety Board (NTSB). NTSB investigates all U.S. civil aviation accidents to determine probable cause and issue safety recommendations to prevent future accidents.