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Lancair 400 pilot experiences a throttle linkage failure during climbout resulting in a high power setting that cannot be reduced. The reporter returns to a point above the departure airport where the mixture is pulled to cut off and a gliding approach is accomplished successfully.
| Attributes | |
| ACN | 1187205 |
| Time | |
| Date | 201407 |
| 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 | Lancair Columbia |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Route In Use | None |
| Flight Plan | None |
| Component | |
| Aircraft Component | Throttle/Power Lever |
| Person 1 | |
| Function | Pilot Flying |
| Qualification | Flight Crew Flight Instructor Flight Crew Instrument Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 50 Flight Crew Total 2500 Flight Crew Type 6 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
Took the owner of the aircraft on his first flight since a new engine was mounted. The engine had 5 hours on it at the beginning of the incident. Run-up was normal. Departed and noticed a slightly low fuel burn on climb out at 35 gph; should be 40 gph. We leveled off at 2;000 ft about 3 miles southwest of the field. When I reduced the throttle to lower manifold pressure; nothing happened. I pulled it back farther and still no change. At that time I elected to turn back towards the field and land. On CTAF there were 3 other aircraft in the pattern and one on a long final; I said that we had an emergency and needed the pattern clear. The other aircraft acknowledged and cleared the pattern. We were indicating 190 KTS at 2;000 ft. Once we were abeam the numbers I pulled the mixture to idle cut-off to start slowing the airplane. To bleed off speed and altitude we made right 360 and then turned base. On final I added 1 notch of flaps and made a normal landing. We coasted off the runway and got a tow back to the ramp. In the maintenance shop we discovered that the throttle linkage had separated from the throttle control attachment point.
Original NASA ASRS Text
Title: Lancair 400 pilot experiences a throttle linkage failure during climbout resulting in a high power setting that cannot be reduced. The reporter returns to a point above the departure airport where the mixture is pulled to cut off and a gliding approach is accomplished successfully.
Narrative: Took the owner of the aircraft on his first flight since a new engine was mounted. The engine had 5 hours on it at the beginning of the incident. Run-up was normal. Departed and noticed a slightly low fuel burn on climb out at 35 GPH; should be 40 GPH. We leveled off at 2;000 FT about 3 miles southwest of the field. When I reduced the throttle to lower manifold pressure; nothing happened. I pulled it back farther and still no change. At that time I elected to turn back towards the field and land. On CTAF there were 3 other aircraft in the pattern and one on a long final; I said that we had an emergency and needed the pattern clear. The other aircraft acknowledged and cleared the pattern. We were indicating 190 KTS at 2;000 FT. Once we were abeam the numbers I pulled the mixture to idle cut-off to start slowing the airplane. To bleed off speed and altitude we made right 360 and then turned base. On final I added 1 notch of flaps and made a normal landing. We coasted off the runway and got a tow back to the ramp. In the maintenance shop we discovered that the throttle linkage had separated from the throttle control attachment point.
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.