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A be-400XP flight crew on final approach utilized innovative actions to halt a runaway stabilizer trim and land safely.
| Attributes | |
| ACN | 1108822 |
| Time | |
| Date | 201308 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | Beechjet 400 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Final Approach |
| Component | |
| Aircraft Component | Horizontal Stabilizer Trim |
| Person 1 | |
| Function | First Officer Pilot Flying |
| Person 2 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
Pitch trim failed during final approach approximately 1;000 ft-1;500 ft AGL. Autopilot was not engaged at the time. The captain pushed and held the 'trim in/autopilot disengage' switch to prevent the trim from moving and instructed me to switch the pitch from 'norm' to 'emergency.' the emergency trim worked sufficiently to control the airplane and we continued and landed. Upon landing and clearing the runway we ran the emergency checklist for 'pitch trim runaway or failure' and promptly notified maintenance. The trim worked fine during the flight until the time of failure.
Original NASA ASRS Text
Title: A BE-400XP flight crew on final approach utilized innovative actions to halt a runaway stabilizer trim and land safely.
Narrative: Pitch trim failed during final approach approximately 1;000 FT-1;500 FT AGL. Autopilot was not engaged at the time. The Captain pushed and held the 'trim in/autopilot disengage' switch to prevent the trim from moving and instructed me to switch the pitch from 'NORM' to 'EMER.' The emergency trim worked sufficiently to control the airplane and we continued and landed. Upon landing and clearing the runway we ran the Emergency Checklist for 'Pitch Trim Runaway or Failure' and promptly notified Maintenance. The trim worked fine during the flight until the time of failure.
Data retrieved from NASA's ASRS site as of July 2013 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.