# 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 17 of 38 · 1,858 cases

## Cases, newest first

- [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 WPR17LA197](https://openairdocs.org/ntsb/WPR17LA197.md): Boeing A75N1(PT17) · Santa Paula, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 4, 2017 · N75753 · Substantial damage
  > A partial loss of engine power during initial climb for reasons that could not be determined based on the available information.
- [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 WPR17LA187](https://openairdocs.org/ntsb/WPR17LA187.md): Cessna 310I · Salt Lake City, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 24, 2017 · N8170M · Substantial damage
  > A loss of engine power for reasons that could not be determined based on the available information.
- [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 CEN17LA327](https://openairdocs.org/ntsb/CEN17LA327.md): Greene R/Greene S Rans S 17 · Erie, CO · Accident · Minor injuries · Limited investigation · Final report · Aug 22, 2017 · N117BE · Substantial damage
  > The pilot's failure to maintain control following a rejected takeoff for a perceived loss of engine power. Contributing to the accident was the pilot's lack of training and experience in the airplane.
- [NTSB ERA17LA284](https://openairdocs.org/ntsb/ERA17LA284.md): Mooney M20C · Palm Coast, FL · Accident · No injuries · Limited investigation · Final report · Aug 21, 2017 · N6833N · Substantial damage
  > A crack in the No. 4 cylinder head, which resulted in engine roughness, a fuel leak, a loss of engine power, and the subsequent in-flight fire.
- [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 WPR17LA174](https://openairdocs.org/ntsb/WPR17LA174.md): Rockwell International S 2R · Brawley, CA · Accident · No injuries · Limited investigation · Final report · Aug 1, 2017 · N4913X · Substantial damage
  > The partial loss of engine power due to the overstress separation of three supercharger drive gear teeth.
- [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.
- [NTSB ERA17LA257](https://openairdocs.org/ntsb/ERA17LA257.md): Robinson Helicopter R44 · Myrtle Beach, SC · Accident · No injuries · Limited investigation · Final report · Jul 24, 2017 · N828RD · Substantial damage
  > A loss of available power to the main rotor due to a fractured exhaust pushrod and housing, which allowed engine oil to coat the V-belts. Contributing to the accident was the pilot's decision to continue the tour and his failure to maintain adequate rotor rpm…
- [NTSB ERA17FA248](https://openairdocs.org/ntsb/ERA17FA248.md): Aircraft Mfg & Dvlpmt CH601XLi Slsa · Towanda, PA · Accident · 1 fatal · Field investigation · Final report · Jul 19, 2017 · N601PH · Destroyed
  > A partial loss of engine power for reasons that could not be determined based on the available information, and the pilot's exceedance of the airplane's critical angle of attack during an attempted return to the airport, which resulted in an aerodynamic stall…
- [NTSB ERA17CA251](https://openairdocs.org/ntsb/ERA17CA251.md): Weatherly 620 · Pemberton Twp, NJ · Accident · No injuries · Data collection · Final report · Jul 19, 2017 · N9270W · Substantial damage
  > An in-flight collision with a bird during takeoff, which resulted in a partial loss of engine power and subsequent collision with trees and terrain.
- [NTSB ERA17LA246](https://openairdocs.org/ntsb/ERA17LA246.md): Costruzioni Aeronautiche Tecna P92 Eaglet · Stevensville, MD · Accident · No injuries · Class 3 · Limited · Final report · Jul 15, 2017 · N561TU · Substantial damage
  > The fatigue failure of an exhaust valve spring retainer due to air trapped in the lubrication system, which resulted in a total loss of engine power.
- [NTSB CEN17FA266](https://openairdocs.org/ntsb/CEN17FA266.md): Piper PA31T · Tyler, TX · Accident · 2 fatal · Field investigation · Final report · Jul 13, 2017 · N47GW · Destroyed
  > The loss of engine power and the subsequent pilot's loss of control for reasons that could not be determined because post-accident engine examination revealed no anomalies.
- [NTSB WPR17LA148](https://openairdocs.org/ntsb/WPR17LA148.md): Charles J Norris Arion Lightning · New River, AZ · Accident · No injuries · Limited investigation · Final report · Jul 10, 2017 · N273DB · Substantial damage
  > A partial loss of engine power for reasons that could not be determined due to a lack of available evidence.
- [NTSB WPR17FA146](https://openairdocs.org/ntsb/WPR17FA146.md): Chicco Miguel E Quicksilver Sport II · Point Mugu, CA · Accident · 1 fatal · Field investigation · Final report · Jul 8, 2017 · N2812
  > A partial loss of engine power for reasons that could not be determined during postaccident examination in combination with the low cruise altitude selected by the pilots, which resulted in an ocean ditching. The lack of personal flotation devices likely…
- [NTSB ERA17LA278](https://openairdocs.org/ntsb/ERA17LA278.md): Piper PA28 · Gainsville, GA · Accident · No injuries · Limited investigation · Final report · Jul 7, 2017 · N6653J · Substantial damage
  > The separation of the mixture control cable from the mixture control lever at the carburetor, which resulted in the partial loss of engine power.
- [NTSB CEN17LA271](https://openairdocs.org/ntsb/CEN17LA271.md): Piper PA 32-300 · Rushville, IN · Accident · No injuries · Limited investigation · Final report · Jul 5, 2017 · N112DE · Substantial damage
  > The pilot’s inability to properly control engine power because of an improperly installed throttle control arm, which resulted in a partial loss of engine power and led to a forced landing.
- [NTSB ERA17LA227](https://openairdocs.org/ntsb/ERA17LA227.md): Piper PA28 · San Juan, PR · Accident · No injuries · Limited investigation · Final report · Jul 4, 2017 · N9427J · Substantial damage
  > A partial loss of engine power during initial climb for reasons that could not be determined and the pilot's subsequent exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB CEN17LA255](https://openairdocs.org/ntsb/CEN17LA255.md): Beech A36 · El Paso, TX · Accident · No injuries · Limited investigation · Final report · Jul 4, 2017 · N24LF · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because a postaccident examination did not reveal any anomalies that would have precluded normal engine operation.
- [NTSB WPR17LA140](https://openairdocs.org/ntsb/WPR17LA140.md): Robinson R44 · Bella Vista, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 2017 · N488AS · Substantial damage
  > A partial loss of engine power during low-altitude maneuvering for reasons that could not be determined because postaccident examinations of the engine and airframe revealed no evidence of any preaccident mechanical malfunctions or failures that would have…
- [NTSB CEN17LA251](https://openairdocs.org/ntsb/CEN17LA251.md): Cody Hawkins JA30 Superstol · Ponca City, OK · Accident · No injuries · Limited investigation · Final report · Jul 2, 2017 · N2463H · Substantial damage
  > Contamination of the fuel system, resulting in a partial loss of engine power and subsequent off-airport landing.
- [NTSB WPR17LA136](https://openairdocs.org/ntsb/WPR17LA136.md): Cessna 310R · Santa Ana, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 30, 2017 · N87297 · Substantial damage
  > The pilot’s inability to maintain adequate airspeed after a loss of power to the right engine while maneuvering in the pattern to return to the airport. Contributing to the accident were the loss of power to the right engine for reasons that could not be…
- [NTSB ERA17LA220](https://openairdocs.org/ntsb/ERA17LA220.md): Nunley KR2 · Baker, FL · Accident · Serious injuries · Limited investigation · Final report · Jun 30, 2017 · N269HJ · Destroyed
  > A partial loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no evidence of any preaccident mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB ERA17LA215](https://openairdocs.org/ntsb/ERA17LA215.md): Beech B23 · Ocean Isle Beach, NC · Accident · Serious injuries · Limited investigation · Final report · Jun 28, 2017 · N4023T · Substantial damage
  > The pilot's improper positioning of the fuel selector between the left and right fuel tank positions, which resulted in a partial loss of engine power due to fuel starvation and a subsequent forced landing into trees.
- [NTSB CEN17LA242](https://openairdocs.org/ntsb/CEN17LA242.md): Bellanca 17 30 · Grove, OK · Accident · No injuries · Limited investigation · Final report · Jun 25, 2017 · N14728 · Substantial damage
  > An unporting of fuel in the right wing while maneuvering in the airport traffic pattern, which resulted in a partial loss of engine power due to fuel starvation.
- [NTSB GAA17CA361](https://openairdocs.org/ntsb/GAA17CA361.md): Cessna 182 · Doniphan, MO · Accident · No injuries · Data collection · Final report · Jun 23, 2017 · N1800M · Substantial damage
  > The pilot’s improper decision to take off with a known fuel leak, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB CEN17LA238](https://openairdocs.org/ntsb/CEN17LA238.md): Aeronca 7BCM · Mahnomen, MN · Accident · Serious injuries · Limited investigation · Final report · Jun 21, 2017 · N2558E · Substantial damage
  > The pilot’s failure to abort the takeoff after recognizing a partial loss of engine power during the takeoff roll and his subsequent inability to maintain adequate airspeed during a turn to avoid power lines, which resulted in an aerodynamic stall. The…
- [NTSB CEN17LA230](https://openairdocs.org/ntsb/CEN17LA230.md): Grumman G164 · Delaplaine, AR · Accident · Minor injuries · Limited investigation · Final report · Jun 14, 2017 · N7501Z · Substantial damage
  > The loss of engine power due to fuel exhaustion, which resulted in a forced landing on unsuitable terrain.
- [NTSB CEN17LA226](https://openairdocs.org/ntsb/CEN17LA226.md): Piper PA 32R-301T · Dalhart, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 9, 2017 · N782SW · Substantial damage
  > The failure of the engine's front bearing seal due to maintenance personnel’s installation of an improperly sized crankshaft seal, which resulted in oil starvation and a forced landing.
- [NTSB WPR17LA122](https://openairdocs.org/ntsb/WPR17LA122.md): Luscombe 8A · Rexberg, ID · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 3, 2017 · N1627K · Substantial damage
  > A loss of engine power for reasons that could not be determined based on the available information which resulted in a landing short of the runway.
- [NTSB CEN17LA206](https://openairdocs.org/ntsb/CEN17LA206.md): Kenneth B Hines Nieuport 28 · Boonville, MO · Accident · No injuries · Limited investigation · Final report · Jun 1, 2017 · N6165 · Substantial damage
  > A partial loss of engine power due to a compromised induction system.
- [NTSB CEN17LA205](https://openairdocs.org/ntsb/CEN17LA205.md): Amstutz Curtis J BD-5B · Portland, IN · Accident · No injuries · Limited investigation · Final report · May 26, 2017 · N604KA · Substantial damage
  > A failure of the wiring between the engine control unit and the fuel injector, which resulted in a total loss of engine power.
- [NTSB CEN17FA197](https://openairdocs.org/ntsb/CEN17FA197.md): Aerotek Pitts S 2A · Sheboygan Falls, WI · Accident · 2 fatal · Field investigation · Final report · May 26, 2017 · N67PN · Substantial damage
  > The pilot's failure to maintain airplane control following a partial loss of engine power during a low-level aerobatic maneuver; the reason for the loss of engine power could not be determined during postaccident examination of the engine. Contributing to the…
- [NTSB GAA17CA306](https://openairdocs.org/ntsb/GAA17CA306.md): Cessna 150 · Zepp, VA · Accident · Minor injuries · Data collection · Final report · May 21, 2017 · N60579 · Substantial damage
  > A partial loss of engine power due to the formation of carburetor icing, which resulted from the student pilot’s failure to apply carburetor heat and the flight instructor’s delayed response in applying carburetor heat while operating in conditions conducive…
- [NTSB ERA17LA185](https://openairdocs.org/ntsb/ERA17LA185.md): Cessna 182 · West Chester, PA · Accident · No injuries · Limited investigation · Final report · May 21, 2017 · N378ES · Substantial damage
  > An engine crankcase overpressurization and the subsequent loss of engine oil for reasons that could not be determined, which resulted in the failure of the No. 6 cylinder connecting rod due to a lack of lubrication.
- [NTSB CEN17WA221](https://openairdocs.org/ntsb/CEN17WA221.md): Silence Twister · Abingdon, United Kingdom · Accident · Serious injuries · Foreign investigation · May 14, 2017 · G-JINX · Substantial damage
  > On May 14, 2017, at 1330 universal coordinated time (UTC), a Silence model Twister single-engine airplane, United Kingdom registration G-JINX, serial number LAA 329-15102, was substantially damaged during a forced landing following a loss of engine power…
- [NTSB CEN17WA256](https://openairdocs.org/ntsb/CEN17WA256.md): Lancair IV · Grenaa, Denmark · Accident · No injuries · Foreign investigation · May 12, 2017 · SE-XRU · Substantial damage
  > On May 12, 2017, about 0635 coordinated universal time, a Lancair IV P airplane, Swiss registration SE-XRU, was substantially damaged when it impacted terrain near Grenaa, Denmark. The airplane was registered to and operated by a private individual as a…

Next page: https://openairdocs.org/ntsb-events/342/sequence.md?page=18

## 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=17

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