# NTSB investigations, 2011: 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 1 of 2 · 88 cases

## Latest cases

- [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 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 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 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 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 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 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.
- [NTSB WPR11LA391](https://openairdocs.org/ntsb/WPR11LA391.md): Luscombe 8A · Cowiche, WA · Accident · No injuries · Limited investigation · Final report · Aug 18, 2011 · N1444K · Substantial damage
  > A partial loss of engine power during maneuvering flight due to an exhaust valve failure.
- [NTSB ERA11FA458](https://openairdocs.org/ntsb/ERA11FA458.md): Cessna 310Q · Tupelo, MS · Accident · 1 fatal · Field investigation · Final report · Aug 17, 2011 · N444YM · Substantial damage
  > The pilot’s delayed reaction in performing the engine failure procedures and his failure to maintain adequate airspeed, which resulted in a loss of airplane control. Contributing to the accident was maintenance personnel’s improper torquing of the B-nut…
- [NTSB WPR11LA386](https://openairdocs.org/ntsb/WPR11LA386.md): Air Tractor AT-401 · Hardin, MT · Accident · No injuries · Limited investigation · Final report · Aug 16, 2011 · N1012T · Substantial damage
  > The loss of engine power during takeoff due to the fatigue failure of the turbine wheel blades, which resulted from inadequate maintenance and inspections.
- [NTSB CEN11LA671](https://openairdocs.org/ntsb/CEN11LA671.md): Fisher Michael E Hyster · Lake Jackson, TX · Accident · Serious injuries · Limited investigation · Final report · Aug 13, 2011 · N7167S · Substantial damage
  > The improper maintenance of the throttle control cable, which resulted in the engine going to idle power after takeoff.
- [NTSB CEN11LA598](https://openairdocs.org/ntsb/CEN11LA598.md): Air Tractor AT-301 · Edgeley, ND · Accident · No injuries · Limited investigation · Final report · Aug 13, 2011 · N73071 · Substantial damage
  > The loss of engine power for reasons that could not be determined because postaccident examination of the airplane and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB ANC11CA075](https://openairdocs.org/ntsb/ANC11CA075.md): Piper PA-32-301 · Kodiak, AK · Accident · No injuries · Data collection · Final report · Aug 12, 2011 · N8152Z · Substantial damage
  > A partial loss of engine power while on approach to land due to a disconnected throttle control linkage, and the maintenance director's inadequate inspection of the throttle linkage during maintenance.
- [NTSB WPR11LA374](https://openairdocs.org/ntsb/WPR11LA374.md): SIAI Marchetti F.260 · Coalinga, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 7, 2011 · N408FD · Substantial damage
  > A partial loss of engine power immediately after takeoff for undetermined reasons.
- [NTSB ERA11LA444](https://openairdocs.org/ntsb/ERA11LA444.md): Hodges Samuel J RV-7A · Paducah, KY · Accident · Minor injuries · Limited investigation · Final report · Aug 7, 2011 · N462WP · Substantial damage
  > A partial loss of engine power during the initial climb for undetermined reasons.
- [NTSB WPR11LA366](https://openairdocs.org/ntsb/WPR11LA366.md): Ayres S2R-600 · Hazelton, ID · Accident · No injuries · Limited investigation · Final report · Aug 3, 2011 · N4021S · Substantial damage
  > Partial loss of engine power for undetermined reasons.
- [NTSB WPR11LA362](https://openairdocs.org/ntsb/WPR11LA362.md): Cessna 172S · Syracuse, UT · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 2011 · N235GW · Substantial damage
  > The failure of the maintenance technicians who installed the engine to properly tighten the fuel injection servo to a spider supply line, which caused a loss of engine power due to fuel starvation.
- [NTSB CEN11CA532](https://openairdocs.org/ntsb/CEN11CA532.md): Alon A-2A · Rolfe, IA · Accident · No injuries · Data collection · Final report · Jul 31, 2011 · N5647F · Substantial damage
  > The pilot's decision to execute a precautionary landing to unsuitable terrain.
- [NTSB CEN11LA539](https://openairdocs.org/ntsb/CEN11LA539.md): Hurley Richard A Cavalier SA102.5 · Salem, IA · Accident · Serious injuries · Limited investigation · Final report · Jul 29, 2011 · N115RH · Substantial damage
  > The partial loss of engine power due to the formation of carburetor ice.
- [NTSB ERA11LA429](https://openairdocs.org/ntsb/ERA11LA429.md): Cessna 172M · Pahokee, FL · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 2011 · N1443U · Substantial damage
  > The flight instructor's misjudgment of the airplane's position and airspeed relative to the runway while returning to the airport after a partial loss of engine power. Contributing to the accident was the separation of the engine's No. 3 cylinder exhaust…
- [NTSB CEN11FA508](https://openairdocs.org/ntsb/CEN11FA508.md): Beech A36 · Williston, ND · Accident · 1 fatal · Field investigation · Final report · Jul 26, 2011 · N41MK · Substantial damage
  > The pilot's improper fuel management, which resulted in fuel starvation and a partial loss of engine power while maneuvering at a low altitude.
- [NTSB CEN11CA516](https://openairdocs.org/ntsb/CEN11CA516.md): Cessna 150F · Harbor Beach, MI · Accident · Serious injuries · Data collection · Final report · Jul 26, 2011 · N3050X · Substantial damage
  > The pilot's delay in using carburetor heat while operating in carburetor icing conditions, resulting in carburetor ice and subsequent partial loss of engine power.
- [NTSB ANC11LA068](https://openairdocs.org/ntsb/ANC11LA068.md): Cessna 185 · Kenai, AK · Accident · No injuries · Limited investigation · Final report · Jul 25, 2011 · N9852X · Substantial damage
  > The loss of engine power for an undetermined reason, resulting in the ditching and sinking of the airplane in ocean waters.
- [NTSB CEN11CA526](https://openairdocs.org/ntsb/CEN11CA526.md): Piper PA-36-375 · Cambridge, NE · Accident · No injuries · Data collection · Final report · Jul 23, 2011 · N3963E · Substantial damage
  > The pilot's failure to reset the engine's mixture control lever to the full rich position prior to takeoff.
- [NTSB CEN11LA544](https://openairdocs.org/ntsb/CEN11LA544.md): Air Tractor AT802 · Ullin, IL · Accident · Minor injuries · Limited investigation · Final report · Jul 22, 2011 · N396LA · Substantial damage
  > The loss of engine power for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR11FA333](https://openairdocs.org/ntsb/WPR11FA333.md): Davidson Zenith Stol CH701 · Glendale, OR · Accident · 2 fatal · Field investigation · Final report · Jul 18, 2011 · N701RD · Substantial damage
  > A total loss of engine power due to fuel starvation and the pilot’s subsequent failure to maintain airplane control during the forced landing. Contributing to the accident was the pilot’s failure to ensure that the fuel valves were in the correct position for…
- [NTSB WPR11LA340](https://openairdocs.org/ntsb/WPR11LA340.md): Piper PA-24-250 · Lopez, WA · Accident · No injuries · Limited investigation · Final report · Jul 17, 2011 · N5532P · Substantial damage
  > A partial loss of engine power due to a cracked engine case near the rear cylinder.
- [NTSB CEN11LA488](https://openairdocs.org/ntsb/CEN11LA488.md): Dixon Volksplane VP-1 · Jackson, MI · Accident · Minor injuries · Limited investigation · Final report · Jul 16, 2011 · N341MD · Substantial damage
  > A partial loss of engine power during initial climb after takeoff for undetermined reasons.
- [NTSB WPR11WA488](https://openairdocs.org/ntsb/WPR11WA488.md): Eurocopter BO105 · Tari, Papua New Guinea · Accident · No injuries · Foreign investigation · Jul 7, 2011 · P2-LAE · Substantial damage
  > On July 7, 2011, about 1200 local time, a Eurocopter BO-105C, Papua New Guinea registry P2-LAE, sustained an uncontained engine failure in one of its Rolls-Ropyce 250-C20B engines. A fire consumed the helicopter following a forced landing. The helicopter was…
- [NTSB WPR11LA311](https://openairdocs.org/ntsb/WPR11LA311.md): Cessna R182 · Hesperia, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 2011 · N7392X · Substantial damage
  > The separation of the end baffle cone inside the muffler, which blocked airflow through the engine after takeoff and resulted in a loss of engine power and an off-airport landing into obstacles.
- [NTSB ANC11IA059](https://openairdocs.org/ntsb/ANC11IA059.md): Hughes 500D · McGrath, AK · Incident · No injuries · Incident investigation · Final report · Jul 5, 2011 · N315SH · Minor damage
  > A fatigue fracture of the governor-to-fuel control Pc line, which resulted in a partial loss of engine power.
- [NTSB ERA11LA388](https://openairdocs.org/ntsb/ERA11LA388.md): Cessna 172N · Orange Beach, AL · Accident · No injuries · Limited investigation · Final report · Jul 4, 2011 · N109DP · Substantial damage
  > The operation of the airplane using unapproved fuels, which resulted in abnormal combustion and subsequent damage to the No. 3 cylinder. Contributing to the accident was the inadequate 100-hour inspection because the mechanic failed to note the lack of…
- [NTSB CEN11LA449](https://openairdocs.org/ntsb/CEN11LA449.md): Abbey Victor RV9-A · Leander, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 30, 2011 · N59VA · Substantial damage
  > The partial loss of engine power for reasons that could not be determined because examination of the engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN11FA436](https://openairdocs.org/ntsb/CEN11FA436.md): Ray Aerial Spraying 773 Racer · Ottumwa, IA · Accident · 1 fatal · Field investigation · Final report · Jun 30, 2011 · N773RY · Destroyed
  > The loss of engine power for reasons that could not be determined because postaccident examination of the airplane’s engine and ignition system did not reveal any anomalies that would have precluded normal operation, and extensive postaccident fire damage…
- [NTSB CEN11LA429](https://openairdocs.org/ntsb/CEN11LA429.md): Keesler W8 Tailwind · Oshkosh, WI · Accident · Minor injuries · Limited investigation · Final report · Jun 29, 2011 · N56PK · Substantial damage
  > The loss of engine power during initial climb for undetermined reasons.
- [NTSB WPR11LA291](https://openairdocs.org/ntsb/WPR11LA291.md): Richard Challenger II · Moses Lake, WA · Accident · Serious injuries · Limited investigation · Final report · Jun 27, 2011 · N9103L · Substantial damage
  > A loss of engine power during the initial climb for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.

Next page: https://openairdocs.org/ntsb-events/342/cases.md?year=2011&page=2

## 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 year(c."eventDate") = 2011
  AND c."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '342')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/342/cases?year=2011

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