# NTSB investigations, 2012: 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 · 95 cases

## Latest cases

- [NTSB CEN13LA119](https://openairdocs.org/ntsb/CEN13LA119.md): Bell 407 · Big Lake, TX · Accident · No injuries · Limited investigation · Final report · Dec 29, 2012 · N534MT · Substantial damage
  > The loss of engine power due to the fatigue failure of the outer combustion case at the fuel nozzle port. Contributing to the accident was the operator’s failure to conduct the recommended routine inspections of the outer combustion case.
- [NTSB CEN13LA095](https://openairdocs.org/ntsb/CEN13LA095.md): Mooney M20E · Gurdon, AR · Accident · No injuries · Limited investigation · Final report · Dec 5, 2012 · N9493V · Substantial damage
  > The total loss of engine power for reasons that could not be determined because no mechanical engine malfunctions were identified and because the actual fuel load and distribution at the time of the accident could not be determined.
- [NTSB ERA13LA072](https://openairdocs.org/ntsb/ERA13LA072.md): Hansen David Daniel RV-4 · Carthage, NC · Accident · Serious injuries · Limited investigation · Final report · Dec 1, 2012 · N416DH · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because postaccident examinations of the engine and fuel system revealed no anomalies that would have precluded normal operation. Contributing to the severity of the accident was the…
- [NTSB CEN13LA068](https://openairdocs.org/ntsb/CEN13LA068.md): Boeing A75L3 · San Antonio, TX · Accident · Minor injuries · Limited investigation · Final report · Nov 20, 2012 · N56226 · Substantial damage
  > A partial loss of engine power during takeoff, likely due to the accumulation of carburetor ice.
- [NTSB WPR13LA045](https://openairdocs.org/ntsb/WPR13LA045.md): Piper PA-32 · Obyan · Accident · 1 fatal · Limited investigation · Final report · Nov 18, 2012 · N4267R · Substantial damage
  > A partial loss of engine power shortly after takeoff for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation and the pilot’s failure to maintain airplane control during…
- [NTSB ERA13LA056](https://openairdocs.org/ntsb/ERA13LA056.md): Piper PA-18-150 · Canton, GA · Accident · No injuries · Limited investigation · Final report · Nov 13, 2012 · N9764P · Substantial damage
  > A partial loss of engine power due to carburetor icing, which the pilot could not correct by applying carburetor heat because the movement of the carburetor heat control arm was restricted.
- [NTSB ERA13LA034](https://openairdocs.org/ntsb/ERA13LA034.md): Cessna 150H · Mansfield, MA · Accident · No injuries · Limited investigation · Final report · Oct 21, 2012 · N7250S · Substantial damage
  > The pilots’ failure to apply carburetor heat during takeoff, which resulted in a partial loss of engine power due to the formation of carburetor ice.
- [NTSB ERA13LA025](https://openairdocs.org/ntsb/ERA13LA025.md): Piper PA-28-140 · Allentown, PA · Accident · No injuries · Limited investigation · Final report · Oct 12, 2012 · N15037 · Substantial damage
  > The operator's failure to perform magneto inspections per the manufacturer's recommendations and failure to comply with the engine manufacturer's recommended time interval for engine overhaul, which resulted in defects in the magnetos going undetected and the…
- [NTSB ERA13WA108](https://openairdocs.org/ntsb/ERA13WA108.md): Sikorsky S61 · Carauari, Brazil · Incident · No injuries · Foreign investigation · Oct 10, 2012 · PR-HRU · No damage
  > On October 10, 2012, at 1630 Coordinated Universal Time (UTC), a Sikorsky S-61, Brazilian registration PR-HRU, experienced a loss of power in the number one engine and performed a single-engine landing to Carauari Airport, Carauari Municipality, Brazil. The…
- [NTSB ERA13LA013](https://openairdocs.org/ntsb/ERA13LA013.md): Beaudry Phillip Aventura II · Minneola, FL · Accident · Serious injuries · Limited investigation · Final report · Oct 6, 2012 · N4401P · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA13CA010](https://openairdocs.org/ntsb/ERA13CA010.md): Moulton Howard Wells ULTRA-PUP · Lyman, ME · Accident · Minor injuries · Data collection · Final report · Oct 6, 2012 · N3073X · Substantial damage
  > The accumulation of ice in the automotive engine’s carburetor, which resulted in a loss of engine power.
- [NTSB DCA13WA174](https://openairdocs.org/ntsb/DCA13WA174.md): Cessna 210 - N · Outjo, Namibia · Incident · No injuries · Foreign investigation · Oct 6, 2012 · V5-YUL · No damage
  > On October 6, 2012 about 1400 UTC, V5-YUL, Cessna 210N, had a partial loss of engine power followed by a precautionary landing near Outjo, Namibia. Visual meteorological conditions existed at the time. None of the 4 occupans were injured. The airplane was not…
- [NTSB CEN12LA661](https://openairdocs.org/ntsb/CEN12LA661.md): Lake LA4 · Kenosha, WI · Accident · No injuries · Limited investigation · Final report · Sep 27, 2012 · N1127L · Substantial damage
  > The loss of engine power for reasons that could not be determined because examination and test run of the engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR12LA411](https://openairdocs.org/ntsb/WPR12LA411.md): Cessna A185F · Cambria, CA · Accident · No injuries · Limited investigation · Final report · Sep 9, 2012 · N80SS · Substantial damage
  > A partial loss of engine power during cruise flight for reasons that could not be determined because the airplane sank in the ocean and was not recovered.
- [NTSB CEN12LA623](https://openairdocs.org/ntsb/CEN12LA623.md): Piper PA-28RT-201 · Gilmer, TX · Accident · No injuries · Limited investigation · Final report · Sep 9, 2012 · N2878V · Substantial damage
  > The partial loss of engine power due to the loss of cylinder compression. The loss of cylinder compression was the result of the No. 3 piston ring failure due to excessive heat because of the lean fuel mixture from a partially clogged fuel nozzle.
- [NTSB CEN12LA622](https://openairdocs.org/ntsb/CEN12LA622.md): Piper PA-25-235 · Jasper, MO · Accident · No injuries · Limited investigation · Final report · Sep 6, 2012 · N7655Z · Substantial damage
  > The total loss of engine power due to separation of a carburetor air box support bracket and subsequent airflow obstruction to the carburetor.
- [NTSB CEN12LA609](https://openairdocs.org/ntsb/CEN12LA609.md): Cessna 175B · Hamilton, TX · Accident · No injuries · Limited investigation · Final report · Sep 5, 2012 · N8260T · Substantial damage
  > The partial loss of engine power due to an exhaust valve that was stuck in the open position.
- [NTSB ANC12LA096](https://openairdocs.org/ntsb/ANC12LA096.md): Taylorcraft F21 · Willow, AK · Accident · Serious injuries · Limited investigation · Final report · Sep 3, 2012 · N2005E · Substantial damage
  > The pilot’s failure to maintain control of the airplane after a loss of engine power during takeoff due to carburetor ice.
- [NTSB ERA12LA539](https://openairdocs.org/ntsb/ERA12LA539.md): Cessna 172M · Canadensis, PA · Accident · No injuries · Limited investigation · Final report · Aug 31, 2012 · N391R · Substantial damage
  > The pilot’s failure to attain a proper glidepath.
- [NTSB CEN12LA580](https://openairdocs.org/ntsb/CEN12LA580.md): Cessna 140 · Spearfish, SD · Accident · No injuries · Limited investigation · Final report · Aug 25, 2012 · N140XX · Substantial damage
  > The partial loss of engine power due to debris lodged beneath the throttle body of the carburetor venturi.
- [NTSB ERA12LA522](https://openairdocs.org/ntsb/ERA12LA522.md): Piper PA-28RT-201T · Hernando Beach, FL · Accident · No injuries · Limited investigation · Final report · Aug 22, 2012 · N2970G · Substantial damage
  > A partial loss of engine power due to a blockage of the No. 6 cylinder fuel injector nozzle.
- [NTSB ERA12FA514](https://openairdocs.org/ntsb/ERA12FA514.md): Socata TB 10 · Shirley, NY · Accident · 2 fatal · Field investigation · Final report · Aug 19, 2012 · N5542Z · Substantial damage
  > The pilot/owner's operation of the airplane with known deficiencies, and the mechanic's failure to reattach the mixture control cable to the mixture control arm following maintenance of the carburetor.
- [NTSB WPR12LA414](https://openairdocs.org/ntsb/WPR12LA414.md): Cessna T210N · Bakersfield, CA · Accident · No injuries · Limited investigation · Final report · Aug 17, 2012 · N6493N · Substantial damage
  > A partial loss of engine power during the initial climb due to an in-flight fire of undetermined origin.
- [NTSB CEN12CA599](https://openairdocs.org/ntsb/CEN12CA599.md): Cessna 152 · Rockford, IL · Accident · No injuries · Data collection · Final report · Aug 17, 2012 · N152BA · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no anomalies.
- [NTSB WPR12LA356](https://openairdocs.org/ntsb/WPR12LA356.md): Rockwell S2R · Royal City, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 14, 2012 · N8468V · Substantial damage
  > The loss of engine power due to the separation of the No. 2 cylinder exhaust rocker boss housing, which prevented the exhaust valve from opening.
- [NTSB DCA12WA160](https://openairdocs.org/ntsb/DCA12WA160.md): BAE BAE146 - 199 · Gaborone, Botswana · Incident · No injuries · Foreign investigation · Aug 11, 2012 · A2-ABF · Minor damage
  > On August 11, 2012 about 1136 UTC, A2-ABF, British Aerospace BAe 146-199, a scheduled commerical flight, operated by Air Botswana, after a loss of power in the no. 2 engine, aborted takeoff at Sir Seretse Khama International Airport, Gaborone, Botswana. There…
- [NTSB CEN12LA637](https://openairdocs.org/ntsb/CEN12LA637.md): Sackman Sackman Special · Ste. Genevieve, MO · Accident · No injuries · Limited investigation · Final report · Aug 11, 2012 · N4760R · Substantial damage
  > The loss of engine power during a low level maneuver due to oil starvation for reasons that could not be determined during postaccident examination.
- [NTSB CEN12LA530](https://openairdocs.org/ntsb/CEN12LA530.md): Williams John T-51 Mustang · Oshkosh, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 7, 2012 · N151TA · Substantial damage
  > The separation of an engine cooling hose from the radiator.
- [NTSB CEN12LA524](https://openairdocs.org/ntsb/CEN12LA524.md): Cessna 177B · Carthage, TX · Accident · No injuries · Limited investigation · Final report · Aug 7, 2012 · N17201 · Substantial damage
  > The loss of engine power during a low-level aerial observation flight as the result of the wearing of the rocker arm tip due to a thin carburized case layer, which resulted in a forced landing.
- [NTSB ERA12LA507](https://openairdocs.org/ntsb/ERA12LA507.md): Aeronca 7AC · Clifford, PA · Accident · No injuries · Limited investigation · Final report · Aug 6, 2012 · N83826 · Substantial damage
  > Partial loss of engine power for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN12LA514](https://openairdocs.org/ntsb/CEN12LA514.md): Weatherly 620B · Holcomb, KS · Accident · Minor injuries · Limited investigation · Final report · Aug 3, 2012 · N2008S · Substantial damage
  > The pilot's failure to use carburetor heat while operating in conditions conducive to carburetor icing, which resulted in a partial loss of engine power shortly after takeoff.
- [NTSB CEN12LA515](https://openairdocs.org/ntsb/CEN12LA515.md): Beech E-55 · Houston, TX · Accident · No injuries · Limited investigation · Final report · Aug 2, 2012 · N3644A · Substantial damage
  > A damaged ignition harness, which resulted in a partial loss of engine power.
- [NTSB CEN12LA513](https://openairdocs.org/ntsb/CEN12LA513.md): Grumman Acft ENG Cor G-164A · La Salle, CO · Accident · Minor injuries · Limited investigation · Final report · Aug 1, 2012 · N9822 · Substantial damage
  > The loss of engine power due to the detached distributor rotor.
- [NTSB WPR12LA329](https://openairdocs.org/ntsb/WPR12LA329.md): Interplane Skyboy EX · Sandy, OR · Accident · No injuries · Limited investigation · Final report · Jul 28, 2012 · N582YB · Substantial damage
  > A partial loss of engine power during takeoff due to carburetor icing. Contributing to the accident was the lack of a carburetor heat system installed on the airplane.
- [NTSB ERA12LA503](https://openairdocs.org/ntsb/ERA12LA503.md): Beech 95-A55 · Homerville, GA · Accident · No injuries · Limited investigation · Final report · Jul 27, 2012 · N1572S · Substantial damage
  > The loss of engine power due to debris within the engine-driven fuel pump.
- [NTSB CEN12LA481](https://openairdocs.org/ntsb/CEN12LA481.md): Raytheon B36TC · Sugar Grove, IL · Accident · No injuries · Limited investigation · Final report · Jul 25, 2012 · N471BB · Substantial damage
  > The partial loss of engine power for reasons that could not be determined because postaccident testing and examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN12LA477](https://openairdocs.org/ntsb/CEN12LA477.md): Luscombe 8A · Leander, TX · Accident · Minor injuries · Limited investigation · Final report · Jul 22, 2012 · N71743 · Substantial damage
  > The partial loss of engine power due to carburetor ice accumulation, which resulted in the airplane’s reduced climb performance and subsequent impact with trees off the end of the runway.
- [NTSB CEN12FA463](https://openairdocs.org/ntsb/CEN12FA463.md): Mooney M20E · Marked Tree, AR · Accident · Minor injuries · Field investigation · Final report · Jul 21, 2012 · N1310W · Substantial damage
  > The loss of engine power during cruise flight due to a malfunction of the fuel injection servo due to a damaged O-ring.
- [NTSB ERA12LA453](https://openairdocs.org/ntsb/ERA12LA453.md): Piper PA-18-150 · North Myrtle Beach, SC · Accident · No injuries · Limited investigation · Final report · Jul 15, 2012 · N8048D · Substantial damage
  > The pilot's inadequate use of carburetor heat during cruise flight, which resulted in a partial loss of engine power and subsequent forced landing.
- [NTSB WPR12LA321](https://openairdocs.org/ntsb/WPR12LA321.md): Loflin RV-7A · Novato, CA · Accident · No injuries · Limited investigation · Final report · Jul 14, 2012 · N404JT · Substantial damage
  > The partial loss of engine power for reasons that could not be determined because postaccident examination revealed no mechanical malfunctions or failures that would have precluded normal operation. Contributing to the accident was the pilot’s failure to…
- [NTSB CEN12WA681](https://openairdocs.org/ntsb/CEN12WA681.md): Mcdonnell Douglas 500 · Kastire, Latvia · Accident · No injuries · Foreign investigation · Jul 12, 2012 · OH-HJR · Substantial damage
  > On July 12, 2012, about 0945 local time, a McDonnell Douglas MD-500 helicopter, registration OH-HJR, sustained substantial damage when it impacted terrain near Kastire, Latvia. The pilot was not injured. This investigation is under the jurisdiction of the…
- [NTSB ERA12LA442](https://openairdocs.org/ntsb/ERA12LA442.md): Piper PA-28-140 · Pensacola, FL · Accident · Serious injuries · Limited investigation · Final report · Jul 11, 2012 · N6258J · Substantial damage
  > A partial loss of engine power during initial climb for reasons that could not be determined because examination of the engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN12LA458](https://openairdocs.org/ntsb/CEN12LA458.md): Grumman G-164A · Egeland, ND · Accident · No injuries · Limited investigation · Final report · Jul 7, 2012 · N6583 · Substantial damage
  > The partial loss of engine power for reasons that could not be determined during postaccident examinations.
- [NTSB ANC12LA068](https://openairdocs.org/ntsb/ANC12LA068.md): Shorey Timothy A Preceptor Stol King · North Pole, AK · Accident · No injuries · Limited investigation · Final report · Jul 7, 2012 · N919WP · Substantial damage
  > A total loss of engine power due to a binding drive belt while in the airport traffic pattern.
- [NTSB ANC12CA072](https://openairdocs.org/ntsb/ANC12CA072.md): Piper PA-12 · Quinhagak, AK · Accident · No injuries · Data collection · Final report · Jul 6, 2012 · N7779H · Substantial damage
  > The pilot's failure to use continuous carburetor heat while operating in conditions conducive to carburetor icing, which resulted in the development of carburetor ice and a subsequent partial loss of engine power.
- [NTSB ERA12LA428](https://openairdocs.org/ntsb/ERA12LA428.md): Cessna R172K · Greene, NY · Accident · No injuries · Limited investigation · Final report · Jul 1, 2012 · N758JQ · Substantial damage
  > An undetected fatigue crack on the outer surface of the No. 3 cylinder barrel that could only have been detected visually and not by a differential compression test, resulting in separation of the head from the barrel and a subsequent partial loss of engine…
- [NTSB ERA12FA423](https://openairdocs.org/ntsb/ERA12FA423.md): Piper PA-31P · Dalton, GA · Accident · 1 fatal · Field investigation · Final report · Jun 30, 2012 · N33CG · Substantial damage
  > The pilot’s failure to maintain airplane control following loss of power in the right engine for reasons that could not be determined because of fire and impact damage. Contributing to the accident was the pilot’s delayed feathering of the right propeller…
- [NTSB ERA12LA425](https://openairdocs.org/ntsb/ERA12LA425.md): Piper PA-28-140 · Lakewood, NJ · Accident · No injuries · Limited investigation · Final report · Jun 29, 2012 · N449FL · Substantial damage
  > The loss of engine power during climb for reasons that could not be determined during postaccident examination of the engine and engine systems or during postaccident operational testing of the engine.
- [NTSB WPR12LA275](https://openairdocs.org/ntsb/WPR12LA275.md): Dehavilland Tiger Moth DH 82A · Fontana, CA · Accident · No injuries · Limited investigation · Final report · Jun 24, 2012 · N523R · Substantial damage
  > Partial loss of engine power during cruise flight due to a failed engine cylinder rocker assembly clamping bolt. Contributing to the accident was the failure of unknown maintenance personnel to perform a modification to the assembly that would have prevented…
- [NTSB CEN12LA388](https://openairdocs.org/ntsb/CEN12LA388.md): Cessna A150K · Mamou, LA · Accident · No injuries · Limited investigation · Final report · Jun 23, 2012 · N8380M · Substantial damage
  > The pilot's inadequate preflight inspection, which resulted in a partial loss of engine power due to fuel contamination.

Next page: https://openairdocs.org/ntsb-events/342/cases.md?year=2012&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") = 2012
  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=2012

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.