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A pilot reported losing power shortly after takeoff in his socata rallye; he landed safely off airport in a field.
| Attributes | |
| ACN | 849150 |
| Time | |
| Date | 200908 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Rallye MS-880/881/883/887 Rallye 100S/100ST |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Initial Climb |
| Route In Use | Direct |
| Flight Plan | None |
| Component | |
| Aircraft Component | Engine |
| Person 1 | |
| Function | Pilot Flying Single Pilot |
| Qualification | Flight Crew Flight Engineer Flight Crew Air Transport Pilot (ATP) Flight Crew Flight Instructor Flight Crew Multiengine Flight Crew Instrument |
| Experience | Flight Crew Last 90 Days 150 Flight Crew Total 25200 Flight Crew Type 0 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
The mission was to deliver a 1968 socata rallye from a private strip to another airport. The airplane was out of annual and operating on a special flight permit. After an inspection and a thorough engine run by a mechanic and myself I elected to takeoff. I had done a takeoff performance calculation using the aircraft pilot's operating handbook and found the performance satisfactory. The takeoff was uneventful until approximately 150 ft AGL when the engine started running rough. I had hoped that it would smooth out; but when the RPM started decreasing from the takeoff setting of 2800 RPM I chose the closest field; flew over a barbed wire fence and landed with no damage to the airplane or myself. We were able to tow the airplane back to the strip where it sits at the time of this writing until we can assess its condition. I reexamined all that I had done prior to the takeoff and was able to find no apparent omissions or errors. The engine was putting out takeoff power with all engine instruments in the normal range with mixture leaned for the density altitude. Until we are able to more thoroughly examine the airplane the cause of the engine rollback is unknown.
Original NASA ASRS Text
Title: A pilot reported losing power shortly after takeoff in his Socata Rallye; he landed safely off airport in a field.
Narrative: The mission was to deliver a 1968 Socata Rallye from a private strip to another airport. The airplane was out of annual and operating on a special flight permit. After an inspection and a thorough engine run by a mechanic and myself I elected to takeoff. I had done a takeoff performance calculation using the aircraft Pilot's Operating Handbook and found the performance satisfactory. The takeoff was uneventful until approximately 150 FT AGL when the engine started running rough. I had hoped that it would smooth out; but when the RPM started decreasing from the takeoff setting of 2800 RPM I chose the closest field; flew over a barbed wire fence and landed with no damage to the airplane or myself. We were able to tow the airplane back to the strip where it sits at the time of this writing until we can assess its condition. I reexamined all that I had done prior to the takeoff and was able to find no apparent omissions or errors. The engine was putting out takeoff power with all engine instruments in the normal range with mixture leaned for the density altitude. Until we are able to more thoroughly examine the airplane the cause of the engine rollback is unknown.
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.