# 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 13 of 29 · 1,419 cases

## Cases, newest first

- [NTSB ERA18FA149](https://openairdocs.org/ntsb/ERA18FA149.md): Taylorcraft BC12 · Commerce, GA · Accident · 1 fatal · Field investigation · Final report · May 21, 2018 · N94909 · Substantial damage
  > The pilot's failure to effectively mitigate an accumulation of carburetor ice, which resulted in an undetected partial loss of engine power and an aerodynamic stall during takeoff.
- [NTSB WPR18LA140](https://openairdocs.org/ntsb/WPR18LA140.md): Bell OH 58C · Yuma, AZ · Accident · No injuries · Class 3 · Limited · Final report · May 12, 2018 · N82857 · Substantial damage
  > A partial loss of engine power during an aerial application flight due to thermal damage to the 1st stage gas producer turbine nozzle and an irregular fuel spray pattern due to carbon buildup of the fuel nozzle. Contributing to the accident was maintenance…
- [NTSB ANC18LA034](https://openairdocs.org/ntsb/ANC18LA034.md): Grumman TBM-3 · Fort Apache, AZ · Accident · Serious injuries · Class 3 · Limited · Final report · May 6, 2018 · N337VT · Destroyed
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB DCA18WA174](https://openairdocs.org/ntsb/DCA18WA174.md): Boeing 737 · Arequipa, Peru · Incident · No injuries · Foreign investigation · May 5, 2018 · OB-2079-P · No damage
  > The government of Peru has notified the NTSB of an incident involving a BOEING 737 airplane that occurred on May 05, 2018. The NTSB has appointed a U.S. Accredited Representative to assist the government of Peru's investigation under the provisions of ICAO…
- [NTSB CEN18LA158](https://openairdocs.org/ntsb/CEN18LA158.md): Robinson Helicopter R44 · East Troy, WI · Accident · No injuries · Class 3 · Limited · Final report · May 4, 2018 · N444VH · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information, which resulted in impact with terrain and dynamic rollover during the subsequent attempted landing.
- [NTSB WPR18LA136](https://openairdocs.org/ntsb/WPR18LA136.md): Cessna 182F · Boulder, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 28, 2018 · N3377U · Substantial damage
  > A partial loss of engine power for reasons that could not be determined due to the available evidence.
- [NTSB ERA18FA137](https://openairdocs.org/ntsb/ERA18FA137.md): Piper PA28R · Gainesville, GA · Accident · 1 fatal · Field investigation · Final report · Apr 28, 2018 · N4363F · Substantial damage
  > A partial loss of engine power due to inadequate thru-bolt and stud preload tension by undetermined maintenance personnel, which resulted in fretting between the engine crankcase halves, and the subsequent separation of the No. 2 cylinder due to the fatigue…
- [NTSB CEN18LA152](https://openairdocs.org/ntsb/CEN18LA152.md): Grumman G 164A · Garwood, TX · Accident · No injuries · Limited investigation · Final report · Apr 27, 2018 · N6637 · Substantial damage
  > A partial 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 WPR18LA125](https://openairdocs.org/ntsb/WPR18LA125.md): Bellanca 7GCBC · Andover, NJ · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 23, 2018 · N8737V · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB CEN18LA138](https://openairdocs.org/ntsb/CEN18LA138.md): Piper PA 24 · New Braunfels, TX · Accident · Minor injuries · Limited investigation · Final report · Apr 12, 2018 · N7386P · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB WPR18LA111](https://openairdocs.org/ntsb/WPR18LA111.md): Pflugradt Kitfox · Clatskanie, OR · Accident · No injuries · Limited investigation · Final report · Mar 20, 2018 · N925DP · Substantial damage
  > A partial loss of engine power due to an improperly secured throttle cable set screw.
- [NTSB ERA18LA110](https://openairdocs.org/ntsb/ERA18LA110.md): Besarick Skybolt · Punta Gorda, FL · Accident · Minor injuries · Limited investigation · Final report · Mar 17, 2018 · N27265 · Destroyed
  > A substantial oil leak, which resulted in a partial loss of engine power and failure of the No. 2 connecting rod.
- [NTSB ERA18LA107](https://openairdocs.org/ntsb/ERA18LA107.md): Cessna 177 · Key West, FL · Accident · Minor injuries · Limited investigation · Final report · Mar 15, 2018 · N713CX · Substantial damage
  > A partial loss of engine power during initial climb for reasons that could not be determined because examination of the wreckage did not reveal any evidence of preimpact malfunctions or failures that would have precluded normal operation.
- [NTSB CEN18LA118](https://openairdocs.org/ntsb/CEN18LA118.md): Bereznak Lancair Legacy · Temple, TX · Accident · Minor injuries · Limited investigation · Final report · Mar 8, 2018 · N60JN · Destroyed
  > The failure of the fuel selector valve in a nearly closed position, which resulted in a partial loss of engine power due to fuel starvation.
- [NTSB CEN18LA177](https://openairdocs.org/ntsb/CEN18LA177.md): Cessna 150M · Sinton, TX · Accident · No injuries · Limited investigation · Final report · Mar 7, 2018 · N66786 · Substantial damage
  > The inadequate service and repair of the airplane's carburetor, which led to a partial loss of engine power during takeoff and resulted in a forced landing.
- [NTSB WPR18LA102](https://openairdocs.org/ntsb/WPR18LA102.md): Macdonald Craig MAC CUB · Ogden, UT · Accident · No injuries · Class 3 · Limited · Final report · Mar 5, 2018 · N669WH · Substantial damage
  > The pilot’s failure to use carburetor heat during the flight, which resulted in a partial loss of engine power due to carburetor icing.
- [NTSB ERA18FA084](https://openairdocs.org/ntsb/ERA18FA084.md): Piper PA28 · Bonifay, FL · Accident · 1 fatal · Field investigation · Final report · Feb 21, 2018 · N3568K · Destroyed
  > A partial loss of engine power due to a stuck exhaust valve. Contributing to the accident was the pilot's decision to operate an airplane with a known mechanical deficiency and his failure to fly an appropriate traffic pattern that would have allowed the…
- [NTSB ERA18LA075](https://openairdocs.org/ntsb/ERA18LA075.md): Bell OH 58C · Zebulon, GA · Accident · No injuries · Limited investigation · Final report · Jan 29, 2018 · N942SC · Substantial damage
  > The pilot's failure to fully open the throttle before initiating the power recovery in response to a simulated engine failure.
- [NTSB ERA18LA074](https://openairdocs.org/ntsb/ERA18LA074.md): Cessna 172 · Babylon, NY · Accident · No injuries · Limited investigation · Final report · Jan 29, 2018 · N294ME · Substantial damage
  > The partial loss of engine power after a simulated engine failure for reasons that could not be determined because a postaccident examination and an engine test run did not reveal any anomalies that would have precluded normal operation.
- [NTSB ENG18WA011](https://openairdocs.org/ntsb/ENG18WA011.md): Airbus A330 · Alice Springs, Australia · Incident · No injuries · Foreign investigation · Jan 18, 2018 · 9M-MTM · No damage
  > On January 18, 2018, about 14:25 Western Australian standard time, a Malaysian-registered Airbus A330-323 airplane had the No. 1 engine, a Pratt & Whitney PW4168A engine shutdown by the flight crew after it had compressor stalls. The airplane, which was…
- [NTSB WPR18WA159](https://openairdocs.org/ntsb/WPR18WA159.md): Robinson R44 · Ayers Rock, Australia · Accident · Serious injuries · Foreign investigation · Jan 17, 2018 · VH-HGX · Substantial damage
  > On January 17, 2018, at 1800 local time, a Robinson R44 helicopter, VH-HGX, experienced a partial loss of engine power shortly after takeoff. The pilot subsequently initiated an autorotation, landed hard and rolled over near Ayres Rock, Australia. The pilot…
- [NTSB ERA18WA061](https://openairdocs.org/ntsb/ERA18WA061.md): Cessna A188 · Dom Pedrito, Brazil · Accident · 1 fatal · Foreign investigation · Dec 30, 2017 · PR-MLY · Substantial damage
  > The government of Brazil has notified the NTSB of an accident involving a CESSNA A188 airplane that occurred on December 30, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Brazil's investigation under the provisions…
- [NTSB ERA18LA062](https://openairdocs.org/ntsb/ERA18LA062.md): Piper PA32 · Oakland Park, FL · Accident · No injuries · Limited investigation · Final report · Dec 13, 2017 · C6RVT · Substantial damage
  > The loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB WPR18WA061](https://openairdocs.org/ntsb/WPR18WA061.md): Enstrom 480 · Bacoor, Philippines · Accident · Minor injuries · Foreign investigation · Dec 2, 2017 · RP-C8955 · Substantial damage
  > On December 2, 2017, at 0900 universal time coordinated, a Enstrom Helicopter Corporation 480B, RP-C8955, was substantially damaged during a precautionary landing near Bacoor, Cavite, Philippines. The pilot was not injured, and the passenger sustained minor…
- [NTSB ERA18LA032](https://openairdocs.org/ntsb/ERA18LA032.md): Piper PA 34-220T · Ebensburg, PA · Accident · Serious injuries · Limited investigation · Final report · Nov 25, 2017 · N263DM · Substantial damage
  > The pilot's improper decision to fly an airplane with a known oil leak, which led to a total loss of engine power due to oil starvation. Contributing to the accident was the pilot's decision to land with a tailwind, which led to his attempted go-around and…
- [NTSB ERA18LA031](https://openairdocs.org/ntsb/ERA18LA031.md): Piper PA46 · Clearwater, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 25, 2017 · N863RB · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB WPR18LA034](https://openairdocs.org/ntsb/WPR18LA034.md): Cessna 172P · San Jose, CA · Accident · Serious injuries · Class 2 · Limited · Final report · Nov 19, 2017 · N52492 · Substantial damage
  > The pilot's delayed decision to execute an emergency landing and his attempt to return to the airport following a partial loss of power due to wear on internal engine components, which prevented the engine from developing full-rated power during the…
- [NTSB ERA18LA026](https://openairdocs.org/ntsb/ERA18LA026.md): Piper PA28 · Bladenboro, NC · Accident · No injuries · Limited investigation · Final report · Nov 18, 2017 · N8758N · Substantial damage
  > A loss of engine power due to carburetor icing and the presence of an insect nest in the carburetor heat control box that prevented the pilot’s application of carburetor heat from restoring engine power.
- [NTSB ERA18LA038](https://openairdocs.org/ntsb/ERA18LA038.md): Beech B 55 · Statesville, NC · Accident · No injuries · Class 3 · Limited · Final report · Nov 17, 2017 · N592SS · Substantial damage
  > A total loss of left engine power during initial climb. Contributing to the accident was the pilot's failure to maintain control of the airplane following the loss of engine power.
- [NTSB ERA18LA027](https://openairdocs.org/ntsb/ERA18LA027.md): Homer Autogyro Cavalon · Oak Island, NC · Accident · No injuries · Class 3 · Limited · Final report · Nov 17, 2017 · N470CH · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB ANC18LA004](https://openairdocs.org/ntsb/ANC18LA004.md): Cirrus Design SR22T · Tuskegee, AL · Accident · No injuries · Limited investigation · Final report · Oct 15, 2017 · N289CM · Substantial damage
  > An improperly adjusted slope controller and fuel pump that resulted in an excessively high fuel flow, an extremely rich mixture, a rough-running engine, and a subsequent partial loss of engine power.
- [NTSB ANC18LA002](https://openairdocs.org/ntsb/ANC18LA002.md): Fleetwood Jack Team Airbike · Ocean Springs, MS · Accident · No injuries · Limited investigation · Final report · Oct 11, 2017 · N7566D · Substantial damage
  > An intermittent failure of the power take-off cylinder ignition coil, which resulted in a partial loss of engine power.
- [NTSB WPR18LA006](https://openairdocs.org/ntsb/WPR18LA006.md): Nanchang China CJ 6 · Buckeye, AZ · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 9, 2017 · N8NW · Substantial damage
  > The failure of the fuel pump’s diaphragm which resulted in fuel system contamination from air and or oil and caused the engine to lose power.
- [NTSB ERA18LA007](https://openairdocs.org/ntsb/ERA18LA007.md): Ercoupe 415 · Centre Hall, PA · Accident · No injuries · Limited investigation · Final report · Oct 6, 2017 · N3538H · Substantial damage
  > The partial loss of engine power due to the No. 2 cylinder exhaust valve being stuck.
- [NTSB CEN18LA008](https://openairdocs.org/ntsb/CEN18LA008.md): Piper PA 34-220T · Sugar Grove, IL · Accident · No injuries · Limited investigation · Final report · Oct 6, 2017 · N4136D · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB WPR18LA007](https://openairdocs.org/ntsb/WPR18LA007.md): Thomas Stephen Glasair Super II RG · Santa Ynez, CA · Accident · No injuries · Class 3 · Limited · Final report · Oct 5, 2017 · N248ST · Substantial damage
  > A partial loss of engine power for reasons that were not determined.
- [NTSB ERA18LA003](https://openairdocs.org/ntsb/ERA18LA003.md): Freeman Heritage Collection SE5A · Virginia Beach, VA · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 3, 2017 · N685SE · Substantial damage
  > A partial loss of engine power due to an interruption of the normal fuel/air mixture to the engine.
- [NTSB WPR18LA002](https://openairdocs.org/ntsb/WPR18LA002.md): Cessna 172S · Tonopah, NV · Accident · No injuries · Limited investigation · Final report · Oct 2, 2017 · N5311H · Substantial damage
  > The pilot's failure to enrich the mixture during the descent, as required by the Pilot's Operating Handbook (POH), and his subsequent failure to follow the POH emergency procedures, which resulted in an excessively lean fuel/air mixture and subsequent loss of…
- [NTSB CEN17LA366](https://openairdocs.org/ntsb/CEN17LA366.md): Emerson Kitfox · Waller, TX · Accident · No injuries · Limited investigation · Final report · Sep 24, 2017 · N91904 · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB WPR17LA208](https://openairdocs.org/ntsb/WPR17LA208.md): Piper PA 28-161 · El Cajon, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 17, 2017 · N2587X · Substantial damage
  > A partial loss of engine power due to the formation of carburetor ice during descent for landing. Contributing to the accident was the pilot’s failure to apply carburetor heat.
- [NTSB CEN17WA343](https://openairdocs.org/ntsb/CEN17WA343.md): Piper Piper PA-28RT-201 · Wolferton, United Kingdom · Accident · 2 fatal · Foreign investigation · Sep 11, 2017 · G-BHAY · Substantial damage
  > On September 11, 2017, at 0956 universal coordinated time (UTC), a Piper PA-28RT-201 single-engine airplane, United Kingdom registration G-BHAY, serial number 28R-7918213, was substantially damaged during a forced landing following a loss of engine power and…
- [NTSB ERA17MA316](https://openairdocs.org/ntsb/ERA17MA316.md): Eurocopter Deutschland MBB BK 117 · Hertford, NC · Accident · 4 fatal · Class 2 · Major · Final report · Sep 8, 2017 · N146DU · Destroyed
  > A failure of the rear bearing in the No. 2 engine, which (1) created multiple and likely unexpected and confusing cockpit indications, resulting in the pilot's improper diagnosis and subsequent erroneous shutdown of the No. 1 engine, and (2) the resulting…
- [NTSB WPR17LA188](https://openairdocs.org/ntsb/WPR17LA188.md): Robinson Helicopter R44 II · El Dorado Hills, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 26, 2017 · N61NM · Substantial damage
  > Maintenance personnel's inadequate routine maintenance on the helicopter engine, which led to low cylinder compression, improper magneto timing, and camshaft lobe wear, which subsequently resulted in degraded engine performance.
- [NTSB CEN17LA330](https://openairdocs.org/ntsb/CEN17LA330.md): Air Tractor AT 401 · Pearsall, TX · Accident · No injuries · Limited investigation · Final report · Aug 24, 2017 · N4532F · Substantial damage
  > The fatigue crack of an engine cylinder, which resulted in a partial loss of engine power.
- [NTSB CEN17LA328](https://openairdocs.org/ntsb/CEN17LA328.md): Beech A36 · Gonzales, LA · Accident · No injuries · Limited investigation · Final report · Aug 17, 2017 · N48TZ · Substantial damage
  > A partial loss of engine power due to inadequate maintenance, including worn spark plugs and a leaking fuel hose fitting.
- [NTSB CEN17LA318](https://openairdocs.org/ntsb/CEN17LA318.md): Knapp Easy Raider · Rochester, IN · Accident · Minor injuries · Limited investigation · Final report · Aug 14, 2017 · N6862K · Substantial damage
  > A partial 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 CEN17LA317](https://openairdocs.org/ntsb/CEN17LA317.md): Piper PA22 · Beckville, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 14, 2017 · N2591A · Substantial damage
  > A stuck exhaust valve, which resulted in the failure of the valve and a loss of engine power. Contributing to the valve failure and loss of engine power was the extended time since the last overhaul.
- [NTSB CEN17LA316](https://openairdocs.org/ntsb/CEN17LA316.md): Navion Navion G · Adrian, MI · Accident · Serious injuries · Limited investigation · Final report · Aug 11, 2017 · N249KC · Substantial damage
  > A leak in the gascolator, which allowed air to enter the fuel system and resulted in a partial loss of engine power.
- [NTSB WPR17LA175](https://openairdocs.org/ntsb/WPR17LA175.md): Grumman AA1 · Phoenix, AZ · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 2017 · N6216L · Substantial damage
  > The partial loss of engine power during initial climb due to the No. 3 cylinder exhaust valve becoming stuck open due to deposit buildup in the exhaust valve stem and guide and the pilot’s exceedance of the airplane’s critical angle of attack while attempting…
- [NTSB CEN17LA295](https://openairdocs.org/ntsb/CEN17LA295.md): Steele Acro Sport II · Loudonville, OH · Accident · Minor injuries · Limited investigation · Final report · Jul 30, 2017 · N896JC · Substantial damage
  > A partial loss of engine power due to carburetor icing.

Next page: https://openairdocs.org/ntsb-events/342/cases.md?page=14

## 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 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?page=13

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