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Pilot of a small aircraft reported that while on final approach he lost throttle authority and had to make an off-airport landing on ice/water.
| Attributes | |
| ACN | 1712255 |
| Time | |
| Date | 201912 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Small Aircraft Low Wing 1 Eng Fixed Gear |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Final Approach |
| Route In Use | Visual Approach |
| Flight Plan | None |
| Component | |
| Aircraft Component | Throttle/Power Lever |
| Person 1 | |
| Function | Single Pilot |
| Qualification | Flight Crew Private |
| Experience | Flight Crew Last 90 Days 30 Flight Crew Total 750 Flight Crew Type 600 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
Upon final approach to runway xx at ZZZ; the aircraft lost throttle authority. I could neither increase or decrease power. I was at 1500 rpms and by the time I figured out that I had a problem I could not get the airplane on the ground by switching the mags off without running out of runway and putting it in the trees. Since I had partial power and some altitude I opted to try to make a nearby pond that was 180 degrees behind me. Making shallow left turns; and barking on the radio my intentions for anyone who could hear me; I managed to get over [the pond] where I was no longer able to maintain enough altitude to clear the trees for a second approach. Knowing that an off-airport landing was imminent I [prepared]. I opened the door latches in preparation for a water landing. I got the airplane clear of people and structures and tried to put it down gently on the thin ice. The wheels broke through on contact with the ice/water surface. I am uninjured. I was able quickly exit the aircraft and stand on the wings until the wings were submerged. I then stood on the roof of the fuselage where the water came to my knees but got no deeper as the aircraft came to a rest of the pond floor. Very fortunate!
Original NASA ASRS Text
Title: Pilot of a small aircraft reported that while on final approach he lost throttle authority and had to make an off-airport landing on ice/water.
Narrative: Upon final approach to Runway XX at ZZZ; the aircraft lost throttle authority. I could neither increase or decrease power. I was at 1500 RPMs and by the time I figured out that I had a problem I could not get the airplane on the ground by switching the mags off without running out of runway and putting it in the trees. Since I had partial power and some altitude I opted to try to make a nearby pond that was 180 degrees behind me. Making shallow left turns; and barking on the radio my intentions for anyone who could hear me; I managed to get over [the pond] where I was no longer able to maintain enough altitude to clear the trees for a second approach. Knowing that an off-airport landing was imminent I [prepared]. I opened the door latches in preparation for a water landing. I got the airplane clear of people and structures and tried to put it down gently on the thin ice. The wheels broke through on contact with the ice/water surface. I am uninjured. I was able quickly exit the aircraft and stand on the wings until the wings were submerged. I then stood on the roof of the fuselage where the water came to my knees but got no deeper as the aircraft came to a rest of the pond floor. Very fortunate!
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.