# NTSB investigations: Loss of engine power (partial)

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 29 of 38 · 1,858 cases

## Cases, newest first

- [NTSB ERA12LA267](https://openairdocs.org/ntsb/ERA12LA267.md): Piper PA-28R-200 · Eastover, SC · Accident · No injuries · Limited investigation · Final report · Apr 3, 2012 · N961JD · Substantial damage
  > Inadequate or loss of through bolt preload tension, which resulted in fretting between the engine halves, the subsequent failure of one cylinder through bolt, the loosening of additional cylinder retaining studs, and the fracture of the crankcase.…
- [NTSB WPR12LA141](https://openairdocs.org/ntsb/WPR12LA141.md): Grimm RV-9A · Santa Maria, CA · Accident · No injuries · Limited investigation · Final report · Mar 20, 2012 · N629BJ · Substantial damage
  > A partial loss of engine power during cruise flight for reasons that could not be determined because postaccident examination and testing did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA12LA241](https://openairdocs.org/ntsb/ERA12LA241.md): Cessna 172K · Belfast, ME · Accident · No injuries · Limited investigation · Final report · Mar 20, 2012 · N46492 · Substantial damage
  > The flight instructor’s failure to ensure the radio was set correctly to activate the pilot-controlled lighting, which resulted in poor positioning for a proper landing and a subsequent off-runway forced landing during an attempted go-around. Contributing to…
- [NTSB ERA12LA233](https://openairdocs.org/ntsb/ERA12LA233.md): Boehlke Kevin P 2/3 Scale Jenny · Hannacroix, NY · Accident · Serious injuries · Limited investigation · Final report · Mar 18, 2012 · N987KB · Substantial damage
  > The non-certificated pilot's improper high-speed taxi test, which resulted in a loss of control and the pilot's subsequent decision to take off to avoid trees. Also causal, was an in-flight magneto failure, which resulted in a partial loss of engine power.…
- [NTSB DCA12FA051](https://openairdocs.org/ntsb/DCA12FA051.md): Convair 440 - NO Series · San Juan, PR · Accident · 2 fatal · Class 1 · Field · Final report · Mar 15, 2012 · N153JR · Destroyed
  > the flight crew's failure to maintain adequate airspeed after shutting down the right engine due to an in-flight fire in one of the right augmentors. The failure to maintain airspeed resulted in either an aerodynamic stall or a loss of directional control.
- [NTSB ERA12LA226](https://openairdocs.org/ntsb/ERA12LA226.md): Michael S/Michael K Safari · Middle Valley, TN · Accident · Serious injuries · Limited investigation · Final report · Mar 13, 2012 · N105KM · Substantial damage
  > A partial loss of engine power for reasons that could not be determined due to the postaccident condition of the airframe and engine.
- [NTSB WPR12LA125](https://openairdocs.org/ntsb/WPR12LA125.md): Aerospatiale AS 355F1 · Makakilo City, HI · Accident · No injuries · Limited investigation · Final report · Mar 3, 2012 · N101MZ · Substantial damage
  > A partial loss of engine power while maneuvering over rough/uneven terrain that was precipitated by the failure of a 3rd stage turbine blade as a result of high-cycle fatigue.
- [NTSB CEN12FA170](https://openairdocs.org/ntsb/CEN12FA170.md): Mooney M20E · San Antonio, TX · Accident · 2 fatal · Field investigation · Final report · Feb 26, 2012 · N9224M · Substantial damage
  > The pilot's inadvertent overboost of the turbocharged engine during initial climb, which resulted in detonation and a partial loss of engine power followed by the pilot's failure to maintain airspeed and the instructor's delayed remedial action, which…
- [NTSB CEN12LA175](https://openairdocs.org/ntsb/CEN12LA175.md): Piper PA-28-161 · Rapid City, SD · Accident · No injuries · Limited investigation · Final report · Feb 24, 2012 · N20GG · Substantial damage
  > The loss of engine power during climb due to carburetor icing. Contributing to the accident was the limited travel of the carburetor heat valve which prevented application of maximum carburetor heat.
- [NTSB ERA12LA191](https://openairdocs.org/ntsb/ERA12LA191.md): Cessna 172N · Flat Rock, VA · Accident · No injuries · Limited investigation · Final report · Feb 17, 2012 · N4737D · Substantial damage
  > The partial loss of engine power due to the failure of the exhaust valve spring seat for reasons that could not be determined.
- [NTSB WPR12LA099](https://openairdocs.org/ntsb/WPR12LA099.md): Cessna 172M · Cusick, WA · Accident · No injuries · Limited investigation · Final report · Feb 9, 2012 · N5100R · Substantial damage
  > A total loss of engine power during cruise flight for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB DCA12WA063](https://openairdocs.org/ntsb/DCA12WA063.md): Mcdonnell Douglas MD80 - 80 · Copenhagen, Denmark · Incident · No injuries · Foreign investigation · Feb 5, 2012 · SE-DIL · Minor damage
  > The Danish Accident Investigation Board (AIB) has notified the NTSB of an incident involving a McDonnell Douglas MD-82 that occurred on February 5, 2012. The NTSB has appointed a U.S. Accredited Representative to assist the AIB investigation under the…
- [NTSB WPR12LA092](https://openairdocs.org/ntsb/WPR12LA092.md): Piper PA-28R-201T · Kalispell, MT · Accident · Minor injuries · Limited investigation · Final report · Feb 4, 2012 · N38906 · Substantial damage
  > The partial loss of engine power due to magneto malfunction. Contributing to the accident was the lack of adherence to the manufacturer’s recommended magneto overhaul schedule.
- [NTSB CEN12LA192](https://openairdocs.org/ntsb/CEN12LA192.md): Aero Commander 100 · Seguin, TX · Accident · Minor injuries · Limited investigation · Final report · Jan 28, 2012 · N5551M · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB WPR12LA081](https://openairdocs.org/ntsb/WPR12LA081.md): Mas Events Nemesis · Camarillo, CA · Accident · Minor injuries · Limited investigation · Final report · Jan 24, 2012 · F-WNXT · Substantial damage
  > A partial loss of engine power during cruise flight due to incorrectly installed airframe components, which came into contact with a high pressure fuel line and resulted in its failure. Contributing to the accident was an undetermined failure of the primary…
- [NTSB CEN13WA102](https://openairdocs.org/ntsb/CEN13WA102.md): Robinson Helicopter R44 · Oosterschelde, Netherlands · Incident · No injuries · Foreign investigation · Jan 21, 2012 · PH-WMW · No damage
  > On January 21, 2012, at 1430 universal coordinated time, a Robinson Helicopter Company model R44, Dutch registration PH-WMW, made an uneventful forced landing after experiencing a partial loss of engine power near Oosterschelde, The Netherlands. The pilot and…
- [NTSB ERA12FA146](https://openairdocs.org/ntsb/ERA12FA146.md): Aerostar PA-60-601P · Philadelphia, MS · Accident · 1 fatal · Field investigation · Final report · Jan 16, 2012 · N700PS · Substantial damage
  > The pilot’s failure to maintain directional control during takeoff following loss of power to the left engine due to fuel starvation. Contributing to the loss of control was the pilot’s failure to feather the left propeller following the loss of left engine…
- [NTSB CEN12LA135](https://openairdocs.org/ntsb/CEN12LA135.md): Cessna 150M · El Dorado, KS · Accident · No injuries · Limited investigation · Final report · Jan 13, 2012 · N714BS · Substantial damage
  > The loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA12FA143](https://openairdocs.org/ntsb/ERA12FA143.md): Cessna 150G · Fitchburg, MA · Accident · Serious injuries · Field investigation · Final report · Jan 11, 2012 · N4041J · Substantial damage
  > A partial loss of engine power due to the formation of carburetor ice and the flight instructor's improper application of carburetor heat.
- [NTSB ERA12LA131](https://openairdocs.org/ntsb/ERA12LA131.md): Haney John F B Seastar XP · Willimantic, CT · Accident · No injuries · Limited investigation · Final report · Jan 1, 2012 · N667JH · Substantial damage
  > A partial loss of engine power due to carburetor icing. Contributing to the accident was the lack of an installed manufacturer-recommended carburetor heat system.
- [NTSB CEN12LA118](https://openairdocs.org/ntsb/CEN12LA118.md): Piper PA-32-260 · Elk Rapids, MI · Accident · Minor injuries · Limited investigation · Final report · Dec 31, 2011 · N997TB · Substantial damage
  > The loss of engine power due to the failure of the exhaust valve.
- [NTSB ERA12LA126](https://openairdocs.org/ntsb/ERA12LA126.md): Classic Waco YMF5 · Marathon, FL · Accident · No injuries · Limited investigation · Final report · Dec 26, 2011 · N64JE · Substantial damage
  > The pilot did not ensure that there was sufficient fuel aboard the airplane before initiating the flight, which resulted in temporary fuel starvation and an interruption in engine power during maneuvering. Contributing to the accident was the pilot’s decision…
- [NTSB ERA12FA123](https://openairdocs.org/ntsb/ERA12FA123.md): Aero Commander 560-F · Venice, FL · Accident · 1 fatal · Field investigation · Final report · Dec 26, 2011 · N560WM · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during a single-engine approach, which resulted in an aerodynamic stall. Contributing to the accident was the total loss of power in the left engine due to a failed No. 2 connecting rod bearing.
- [NTSB ERA12CA118](https://openairdocs.org/ntsb/ERA12CA118.md): Cessna 120 · Montague, MA · Accident · No injuries · Data collection · Final report · Dec 17, 2011 · N89809 · Substantial damage
  > The pilot's delay in performing a rejected takeoff after experiencing an intermittent loss of engine power, which resulted in a runway excursion.
- [NTSB ERA12LA106](https://openairdocs.org/ntsb/ERA12LA106.md): Cessna 152 · Venice, FL · Accident · No injuries · Limited investigation · Final report · Dec 9, 2011 · N471TC · Substantial damage
  > A loss of engine power during takeoff for reasons that could not be determined because postaccident examination and testing did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN12LA103](https://openairdocs.org/ntsb/CEN12LA103.md): Beech C23 · Watertown, SD · Accident · No injuries · Limited investigation · Final report · Dec 9, 2011 · N6717K · Substantial damage
  > A total loss of engine power during initial climb for undetermined reasons.
- [NTSB ERA12FA093](https://openairdocs.org/ntsb/ERA12FA093.md): Wing John R Wittman Tailwind · Fulton, NY · Accident · 1 fatal · Field investigation · Final report · Dec 1, 2011 · N865JT · Substantial damage
  > The pilot's failure to maintain adequate airspeed, which resulted in an aerodynamic stall. Contributing to the accident was a partial loss of engine power due to the formation of carburetor ice.
- [NTSB CEN12LA077](https://openairdocs.org/ntsb/CEN12LA077.md): Cessna 152 · Princeton, MN · Accident · No injuries · Limited investigation · Final report · Nov 22, 2011 · N6436P · Substantial damage
  > The inadequate installation of the threaded insert in the No. 2 cylinder spark plug hole by maintenance personnel, which resulted in a loss of engine power during initial climb.
- [NTSB CEN12LA066](https://openairdocs.org/ntsb/CEN12LA066.md): Piaggio Aero Industries P180 · Flint, MI · Accident · Minor injuries · Limited investigation · Final report · Nov 16, 2011 · N168SL · Substantial damage
  > The captain's failure to maintain directional control during landing with one engine inoperative. Contributing to the accident was an improperly installed clevis pin in the left engine power lever, the crew’s delay in accurately identifying their heading, and…
- [NTSB ERA12WA092](https://openairdocs.org/ntsb/ERA12WA092.md): Piper PA-25 · Meteropolitana, Chile · Accident · No injuries · Foreign investigation · Nov 11, 2011 · CC-ABM · Substantial damage
  > On November 11, 2011, at 1345 UTC, a Piper PA-25-260, Chilean registration CC-ABM, registered to and operated by Sociedad De Ttrabajos Aeros Aeropacifico LTDA as a personal flight experienced a partial loss of engine power on initial takeoff climb, in the…
- [NTSB CEN12FA058](https://openairdocs.org/ntsb/CEN12FA058.md): Cessna 337G · Alamosa, CO · Accident · 1 fatal · Field investigation · Final report · Nov 10, 2011 · N337LC · Destroyed
  > The loss of power to the rear engine due to fuel starvation during takeoff, which resulted from the fuel selector valve being inadvertently moved to the “off” position, and resulted in the airplane’s inability to climb.
- [NTSB ERA12LA071](https://openairdocs.org/ntsb/ERA12LA071.md): Siai-Marchetti S205-22R · Okeechobee, FL · Accident · No injuries · Limited investigation · Final report · Nov 5, 2011 · N729WA · Substantial damage
  > A partial loss of engine power due to a failure of the drive bearings in the alternator drive system. Contributing to the accident was the inadequate maintenance.
- [NTSB ERA12LA058](https://openairdocs.org/ntsb/ERA12LA058.md): Cessna 172N · Pompano Beach, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 1, 2011 · N739JN · Substantial damage
  > The separation of the throttle cable from its fitting, which resulted in an inability to control engine power. Contributing to the accident was the inadequate maintenance by the owner.
- [NTSB CEN12LA049](https://openairdocs.org/ntsb/CEN12LA049.md): Brochetti Louis Pietenpol Aircamper · Vienna, OH · Accident · Serious injuries · Limited investigation · Final report · Oct 29, 2011 · N486LB · Substantial damage
  > The loss of engine power during climb after takeoff due to carburetor icing.
- [NTSB ERA12LA048](https://openairdocs.org/ntsb/ERA12LA048.md): Beech C23 · Columbia, MS · Accident · No injuries · Limited investigation · Final report · Oct 23, 2011 · N89MH · Substantial damage
  > The partial loss of engine power for undetermined reasons during takeoff.
- [NTSB WPR12LA015](https://openairdocs.org/ntsb/WPR12LA015.md): Piper PA46R · Paso Robles, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 21, 2011 · N422HP · Substantial damage
  > A loss of engine power while maneuvering for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA12LA045](https://openairdocs.org/ntsb/ERA12LA045.md): Graff Wilbur C Bearhawk · Woodrow, WV · Accident · No injuries · Limited investigation · Final report · Oct 18, 2011 · N5456C · Substantial damage
  > The pilot’s delayed use of carburetor heat while operating in conditions conducive to carburetor icing.
- [NTSB ENG12IA001](https://openairdocs.org/ntsb/ENG12IA001.md): Boeing 757-251 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Oct 10, 2011 · N553NW · Minor damage
  > the return to service of overhauled airplane engine parts with undetected fatigue cracks, resulting in complete loss of engine power and uncontained engine failure. A contributing factor was the inadequate diffuser and HPT case inspection procedure.
- [NTSB CEN12LA008](https://openairdocs.org/ntsb/CEN12LA008.md): Johnston William Alfred JR Kolb Mark III · Versailles, MO · Accident · Serious injuries · Limited investigation · Final report · Oct 5, 2011 · N9144E · Substantial damage
  > A loss of engine power due to adjustments and modifications that the pilot made to the engine and airplane.
- [NTSB ERA11FA504](https://openairdocs.org/ntsb/ERA11FA504.md): Hutchinson Kenneth A Velocity RG · Sanford, NC · Accident · 1 fatal · Field investigation · Final report · Sep 25, 2011 · N360TV · Substantial damage
  > The pilot/owner's intentional flight of his airplane with known mechanical discrepancies (frozen turbocharger waste gate), which resulted in a partial loss of engine power and subsequent collision with trees and terrain shortly after takeoff. Contributing to…
- [NTSB CEN11LA415](https://openairdocs.org/ntsb/CEN11LA415.md): Bins Tom Kitfox IV · Lafayette, LA · Accident · Serious injuries · Limited investigation · Final report · Sep 24, 2011 · N211KF · Substantial damage
  > The pilot’s loss of control during a forced landing after a loss of engine power for undetermined reasons during takeoff.
- [NTSB WPR11LA463](https://openairdocs.org/ntsb/WPR11LA463.md): Cessna 177 · Rock Springs, WY · Accident · No injuries · Limited investigation · Final report · Sep 23, 2011 · N3152T · Substantial damage
  > The pilot did not lean the fuel mixture prior to takeoff, which resulted in the engine's inability to attain sufficient power due to the rich mixture, and his inadequate preflight planning.
- [NTSB WPR11LA460](https://openairdocs.org/ntsb/WPR11LA460.md): Piper PA23 · Truckee, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 21, 2011 · N62792 · Substantial damage
  > The pilot's failure to maintain an airspeed at or above the airplane's minimum controllable airspeed, which resulted in a loss of airplane control. Contributing to the accident was the partial loss of power from the left engine as a result of a clogged fuel…
- [NTSB CEN11LA648](https://openairdocs.org/ntsb/CEN11LA648.md): Robinson Helicopter R44 · Ocate, NM · Accident · Serious injuries · Limited investigation · Final report · Sep 15, 2011 · N828PM · Substantial damage
  > The pilot’s failure to apply carburetor heat, which resulted in the formation of carburetor ice and a partial loss of engine power.
- [NTSB CEN11CA678](https://openairdocs.org/ntsb/CEN11CA678.md): Piper PA-28-180 · Buena Vista, CO · Accident · Minor injuries · Data collection · Final report · Sep 6, 2011 · N9430J · Substantial damage
  > The airplane’s diminished climb performance due to the pilot not leaning the engine mixture enough prior to takeoff in high density altitude conditions and at nearly maximum gross takeoff weight.
- [NTSB WPR11FA424](https://openairdocs.org/ntsb/WPR11FA424.md): Consolidated Aeronautics Lake LA-4-200 · Lakeport, CA · Accident · Serious injuries · Field investigation · Final report · Sep 2, 2011 · N80033 · Substantial damage
  > The pilot's decision to continue the takeoff with reduced engine power, which resulted in a collision with terrain during the takeoff initial climb. Contributing to the accident was the partial loss of engine power for reasons that could not be determined…
- [NTSB CEN11LA618](https://openairdocs.org/ntsb/CEN11LA618.md): Vicari Waiex · Marion, IL · Accident · No injuries · Limited investigation · Final report · Sep 2, 2011 · N100VY · Substantial damage
  > The partial loss of engine power during initial climb for undetermined reasons.
- [NTSB CEN11CA637](https://openairdocs.org/ntsb/CEN11CA637.md): Aero Commander S2R · Park Rapids, MN · Accident · No injuries · Data collection · Final report · Sep 1, 2011 · N8962Q · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB CEN11CA660](https://openairdocs.org/ntsb/CEN11CA660.md): Cessna 175 · Sugar Creek, OH · Accident · No injuries · Data collection · Final report · Aug 31, 2011 · N7103M · Substantial damage
  > The pilot's delayed application of carburetor heat while operating in conditions conducive to carburetor icing.
- [NTSB CEN11LA610](https://openairdocs.org/ntsb/CEN11LA610.md): Grumman Acft ENG Cor-Schweizer G-164A · Monette, AR · Accident · No injuries · Limited investigation · Final report · Aug 29, 2011 · N48378 · Substantial damage
  > The fracture of the throttle cable in tensile overstress because of wear damage, which resulted in the partial loss of engine power.

Next page: https://openairdocs.org/ntsb-events/342/sequence.md?page=30

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '342' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/342/sequence?page=29

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