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A PA-31 pilot was unable to stop the aircraft on the runway following a rejected takeoff due to a failed turbocharger.
| Attributes | |
| ACN | 912390 |
| Time | |
| Date | 201010 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | COS.Airport |
| State Reference | CO |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | PA-31 Navajo/Chieftan/Mojave/T1040 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Takeoff |
| Route In Use | Visual Approach |
| Flight Plan | None |
| Component | |
| Aircraft Component | Exhaust Turbo Charger |
| Person 1 | |
| Function | Single Pilot Pilot Flying |
| Qualification | Flight Crew Multiengine Flight Crew Instrument Flight Crew Flight Instructor Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 150 Flight Crew Total 7700 Flight Crew Type 222 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Ground Excursion Runway |
Narrative:
Cleared for takeoff on runway 17L at E2. Started takeoff roll; advanced power; came up to about 40 inches manifold pressure. At about 90-95 KTS; just before takeoff; lost turbocharger on left engine; manifold pressure dropped to about 25 inches. Reduced power on right engine and applied right rudder to keep plane going straight. Reduced power on both engines to keep straight; started applying brakes; told tower I was aborting takeoff. I continued trying to slow down with heaving braking and must have overheated the brakes because braking action was very limited. This caused me to run off the end of the runway. There were no injuries or damage to the aircraft. I think I did not reduce power to idle on both engines fast enough or apparently not all the way to idle.
Original NASA ASRS Text
Title: A PA-31 pilot was unable to stop the aircraft on the runway following a rejected takeoff due to a failed turbocharger.
Narrative: Cleared for takeoff on Runway 17L at E2. Started takeoff roll; advanced power; came up to about 40 inches manifold pressure. At about 90-95 KTS; just before takeoff; lost turbocharger on left engine; manifold pressure dropped to about 25 inches. Reduced power on right engine and applied right rudder to keep plane going straight. Reduced power on both engines to keep straight; started applying brakes; told Tower I was aborting takeoff. I continued trying to slow down with heaving braking and must have overheated the brakes because braking action was very limited. This caused me to run off the end of the runway. There were no injuries or damage to the aircraft. I think I did not reduce power to idle on both engines fast enough or apparently not all the way to idle.
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.