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An air ambulance king air first officer described noticing torque fluctuations on final approach. An emergency was declared and a divert was performed to the nearest suitable airport.
| Attributes | |
| ACN | 848710 |
| Time | |
| Date | 200908 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Super King Air 200 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Engine |
| Person 1 | |
| Function | First Officer Pilot Not Flying |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
On final; landing checklist complete; the aircraft experienced 3 uncommanded fluctuations in torque. Torque was set to about 600# then dropped to about 200# then recovered on its own. With the addition of power; to about 800#; these fluctuations quit. A go around was initiated. For superior facilities and runway length; we told tower that we wanted to divert to another airport approximately four miles away. The problem was briefly described to tower. Tower said they would have the trucks rolling and ready for us at destination and gave us a heading and frequency change. The call was acknowledged. Contacted tower and briefly explained the problem to them. Approach asked the souls on board and fuel remaining. They said they were going to roll the aarf and then gave us vectors. We landed with out any further power fluctuations or incidents. Enroute I called dispatch and had them reposition the ambulance; which showed up as we taxied in. The patients were off loaded normally.
Original NASA ASRS Text
Title: An air ambulance King Air First Officer described noticing torque fluctuations on final approach. An emergency was declared and a divert was performed to the nearest suitable airport.
Narrative: On final; landing checklist complete; the aircraft experienced 3 uncommanded fluctuations in torque. Torque was set to about 600# then dropped to about 200# then recovered on its own. With the addition of power; to about 800#; these fluctuations quit. A go around was initiated. For superior facilities and runway length; we told Tower that we wanted to divert to another airport approximately four miles away. The problem was briefly described to Tower. Tower said they would have the trucks rolling and ready for us at destination and gave us a heading and frequency change. The call was acknowledged. Contacted tower and briefly explained the problem to them. Approach asked the souls on board and fuel remaining. They said they were going to roll the AARF and then gave us vectors. We landed with out any further power fluctuations or incidents. Enroute I called Dispatch and had them reposition the ambulance; which showed up as we taxied in. The patients were off loaded normally.
Data retrieved from NASA's ASRS site as of April 2012 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.