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Pc-12 captain reported experiencing a trim runaway on approach. Crew decided to continue the landing; which was accomplished safely.
| Attributes | |
| ACN | 1224997 |
| Time | |
| Date | 201411 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | PC-12 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Final Approach |
| Component | |
| Aircraft Component | Horizontal Stabilizer Trim |
| Person 1 | |
| Function | Pilot Not Flying Captain |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
[I] had a trim runaway. On final; at 1200 feet; with the auto pilot; yaw damper and flight director off; the aural 'trim runaway' warning was heard and the red cas message appeared. I; PIC (pilot monitoring) immediately hit the trim interrupt switch and took the controls from the sic (pilot flying). By the time I had handed the QRH to the sic; we were at ~800 feet and decided that the safest course of action was to just land. We landed without further incident. After landing with the engine still running; we ran the QRH 'trim runaway' checklist; and discovered that the primary pitch trim continued to run nose up. We notified maintenance control; and cancelled our next flight. No emergency was declared; and no deviations or emergency services were required.
Original NASA ASRS Text
Title: PC-12 Captain reported experiencing a trim runaway on approach. Crew decided to continue the landing; which was accomplished safely.
Narrative: [I] had a trim runaway. On final; at 1200 feet; with the auto pilot; yaw damper and flight director OFF; the aural 'Trim Runaway' warning was heard and the red CAS message appeared. I; PIC (Pilot Monitoring) immediately hit the trim interrupt switch and took the controls from the SIC (Pilot Flying). By the time I had handed the QRH to the SIC; we were at ~800 feet and decided that the safest course of action was to just land. We landed without further incident. After landing with the engine still running; we ran the QRH 'Trim runaway' checklist; and discovered that the primary pitch trim continued to run nose up. We notified maintenance control; and cancelled our next flight. No emergency was declared; and no deviations or emergency services were required.
Data retrieved from NASA's ASRS site 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.