# 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 29 · 1,419 cases

## Cases, newest first

- [NTSB CEN15LA383](https://openairdocs.org/ntsb/CEN15LA383.md): Piper PA 25-235 · Harvey, ND · Accident · No injuries · Limited investigation · Final report · Aug 21, 2015 · N4652Y · Substantial damage
  > The partial loss of engine power due to a failed magneto and two cylinders with low compression. Contributing to the accident was the pilot/owner’s decision to operate the airplane with an ongoing engine issue.
- [NTSB ERA15LA318](https://openairdocs.org/ntsb/ERA15LA318.md): Cessna 172K · Chiefland, FL · Accident · No injuries · Limited investigation · Final report · Aug 17, 2015 · N84308 · Substantial damage
  > The partial loss of engine power during cruise flight for reasons that could not be determined because a postaccident airframe and engine examination and engine test run revealed no evidence of mechanical malfunctions or failures.
- [NTSB ERA15LA311](https://openairdocs.org/ntsb/ERA15LA311.md): Thomas A Siminski Zenith CH 750 · Allentown, PA · Accident · Serious injuries · Limited investigation · Final report · Aug 14, 2015 · N1750Z · Substantial damage
  > A partial loss of engine power due to the No. 1 spark plug being liberated from the cylinder head due to the stripped threads in the cylinder head. Contributing to the accident was the pilot’s decision to attempt to return to the airport while at a low…
- [NTSB ERA15FA308](https://openairdocs.org/ntsb/ERA15FA308.md): Beech N35 · Weirsdale, FL · Accident · 2 fatal · Field investigation · Final report · Aug 12, 2015 · N390Z · Destroyed
  > A partial loss of engine power during takeoff. The reason for the partial loss of power could not be determined due to the extensive fire and impact damage to the engine.
- [NTSB CEN15LA377](https://openairdocs.org/ntsb/CEN15LA377.md): Grumman G 164B · Sac City, IA · Accident · No injuries · Limited investigation · Final report · Aug 12, 2015 · N311AL · Substantial damage
  > The loss of engine power for reasons that could not be determined based on the available information.
- [NTSB ERA15LA306](https://openairdocs.org/ntsb/ERA15LA306.md): Wright Daniel J Volksplane VP-1 · Brooksville, FL · Accident · Serious injuries · Limited investigation · Final report · Aug 10, 2015 · N9288 · Destroyed
  > The pilot's failure to abort the takeoff after determining that the engine was not producing adequate power. Contributing to the accident was the engine's inability to produce adequate power for reasons that could not be determined due to extensive postimpact…
- [NTSB WPR15LA235](https://openairdocs.org/ntsb/WPR15LA235.md): Cleveland Allan B Nieuport 11# · Bellingham, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 7, 2015 · N917AB · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because postaccident examination revealed no mechanical malfunctions or anomalies that would have precluded normal operation.
- [NTSB WPR15LA230](https://openairdocs.org/ntsb/WPR15LA230.md): Grumman G164 - B · Princeton, CA · Accident · No injuries · Limited investigation · Final report · Aug 4, 2015 · N48452 · Substantial damage
  > The loss of engine power during an agricultural application flight due to a cylinder failure.
- [NTSB ERA15LA293](https://openairdocs.org/ntsb/ERA15LA293.md): Beech C90B · Georgetown, KY · Accident · Serious injuries · Limited investigation · Final report · Aug 2, 2015 · N257CQ · Substantial damage
  > Undetermined based on the available evidence.
- [NTSB ERA15LA291](https://openairdocs.org/ntsb/ERA15LA291.md): Sontonastaso Mosquito · Winchendon, MA · Accident · No injuries · Limited investigation · Final report · Jul 29, 2015 · N285XE · Substantial damage
  > A partial loss of engine power due to a faulty electrical wiring crimp in the engine’s ignition system.
- [NTSB CEN15LA326](https://openairdocs.org/ntsb/CEN15LA326.md): Eagle Eagle DW 1 · Hector, MN · Accident · No injuries · Limited investigation · Final report · Jul 29, 2015 · N8806B · Substantial damage
  > The intermittent partial loss of engine power, which resulted in a lower-than-expected approach glidepath and impact with terrain short of the runway. The reason for the intermittent partial loss of engine power could not be determined because postaccident…
- [NTSB WPR15LA223](https://openairdocs.org/ntsb/WPR15LA223.md): Stinson 108 - 3 · North Las Vegas, NV · Accident · No injuries · Limited investigation · Final report · Jul 25, 2015 · N6152M · Substantial damage
  > The partial loss of engine power due to a degraded cylinder exhaust valve seal, which resulted in low cylinder compression.
- [NTSB CEN15LA318](https://openairdocs.org/ntsb/CEN15LA318.md): Piper PA38 - 112 · Millbury, OH · Accident · 1 fatal · Limited investigation · Final report · Jul 25, 2015 · C-GTAO · Substantial damage
  > A loss of engine power due to three of the engine valve adjustment mechanisms backing out, which resulted from improper maintenance.
- [NTSB WPR15LA217](https://openairdocs.org/ntsb/WPR15LA217.md): Piper PA 28-181 · Las Vegas, NV · Accident · Serious injuries · Limited investigation · Final report · Jul 19, 2015 · N8740E · Destroyed
  > The engine's inability to produce full-rated power due to wear on internal engine components, which resulted in a loss of altitude and subsequent landing on uneven terrain. Contributing to the accident was the airplane owner's failure to maintain the engine…
- [NTSB ERA15LA276](https://openairdocs.org/ntsb/ERA15LA276.md): Grumman American Avn. AA1B · Lititz, PA · Accident · No injuries · Limited investigation · Final report · Jul 19, 2015 · N8969L · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because postaccident examination of the engine found no mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB GAA15CA143](https://openairdocs.org/ntsb/GAA15CA143.md): Aventura II · Fenton, MI · Accident · No injuries · Data collection · Final report · Jul 17, 2015 · N1204A · Substantial damage
  > The failure of the student pilot to ensure that the experimental seaplane was airworthy prior to take off.
- [NTSB ANC15LA044](https://openairdocs.org/ntsb/ANC15LA044.md): Piper PA-18 · Wasilla, AK · Accident · No injuries · Limited investigation · Final report · Jul 3, 2015 · N9189D · Substantial damage
  > The partial loss of engine power after takeoff 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 CEN15LA286](https://openairdocs.org/ntsb/CEN15LA286.md): Don W Guice Zodiac 601XL · Seagoville, TX · Accident · No injuries · Limited investigation · Final report · Jun 29, 2015 · N253DG · Substantial damage
  > The engine overheating, which resulted in a partial loss of engine power, due to the pilot's operation of the engine with a higher-than-specified oil quantity level.
- [NTSB CEN15LA284](https://openairdocs.org/ntsb/CEN15LA284.md): Cessna TR182 · Casper, WY · Accident · Serious injuries · Limited investigation · Final report · Jun 27, 2015 · N4751S · Substantial damage
  > The improper repair of the carburetor heat cable sheath to clamp joint, which prevented the proper operation of the carburetor heat and resulted in the loss of engine power.
- [NTSB CEN15LA285](https://openairdocs.org/ntsb/CEN15LA285.md): Robinson Helicopter R44 II · Danville, AR · Accident · No injuries · Limited investigation · Final report · Jun 21, 2015 · N305CG · Substantial damage
  > The loss of engine power for reasons that could not be determined based on the available information.
- [NTSB ERA15LA248](https://openairdocs.org/ntsb/ERA15LA248.md): Cessna 152 · St. Augustine, FL · Accident · No injuries · Limited investigation · Final report · Jun 18, 2015 · N6553L · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB WPR15FA181](https://openairdocs.org/ntsb/WPR15FA181.md): Beech F35 · Everett, WA · Accident · 1 fatal · Field investigation · Final report · Jun 10, 2015 · N4224B · Substantial damage
  > The partial loss of engine power during takeoff due to debris within the fuel servo, which restricted fuel flow throughout the engine fuel system and resulted in a partial loss of engine power.
- [NTSB CEN15LA258](https://openairdocs.org/ntsb/CEN15LA258.md): Flight Design Ctsw · Haskell, OK · Accident · Minor injuries · Limited investigation · Final report · Jun 6, 2015 · N535CT · Substantial damage
  > The loss of engine power for reasons that could not be determined because a postaccident engine examination and test run did not reveal any evidence of preimpact malfunctions or failures that would have precluded normal operation.
- [NTSB CEN15LA247](https://openairdocs.org/ntsb/CEN15LA247.md): Raytheon G36 · Horseshoe Bay, TX · Accident · Serious injuries · Class 3 · Limited · Final report · May 28, 2015 · N224TB · Destroyed
  > The pilot’s failure to abort the takeoff after the partial loss of engine power before liftoff, and the partial loss of engine power for undetermined reasons.
- [NTSB CEN15LA243](https://openairdocs.org/ntsb/CEN15LA243.md): Cessna TR182 · Tulia, TX · Accident · No injuries · Limited investigation · Final report · May 27, 2015 · N4645T · Substantial damage
  > The partial loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no mechanical anomalies that would have precluded normal operation.
- [NTSB CEN15LA237](https://openairdocs.org/ntsb/CEN15LA237.md): Piper PA-22 · St. Charles, MO · Accident · No injuries · Limited investigation · Final report · May 19, 2015 · N118U · Substantial damage
  > A 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 WPR15FA163](https://openairdocs.org/ntsb/WPR15FA163.md): Rockwell Commander 114 · Laughlin, NV · Accident · 3 fatal · Field investigation · Final report · May 18, 2015 · N4775W · Destroyed
  > A partial loss of engine power due to the turbocharger's seizure as a result of a severely worn turbowheel. Contributing to the accident was the failure of the pilot/owner to have the turbo normalization system inspected every 100 hours as required, which…
- [NTSB WPR15LA162](https://openairdocs.org/ntsb/WPR15LA162.md): Earl Allen Miglet · Corning, CA · Accident · No injuries · Limited investigation · Final report · May 16, 2015 · N414US · Substantial damage
  > The partial loss of engine power during initial climb due to a loose set screw, which allowed the throttle cable rig within the connector to slip.
- [NTSB CEN15LA238](https://openairdocs.org/ntsb/CEN15LA238.md): Piper PA-25-235 · Omega, OK · Accident · No injuries · Limited investigation · Final report · May 11, 2015 · N7279Z · Substantial damage
  > Improper base metal preparation or contamination of the No. 5 cylinder wall before it was coated, which resulted in the coating peeling off of the cylinder wall and contaminating the engine oil and the subsequent partial loss of engine power.
- [NTSB WPR15LA157](https://openairdocs.org/ntsb/WPR15LA157.md): Piper PA 32-300 · Redlands, CA · Accident · No injuries · Limited investigation · Final report · May 9, 2015 · N4124R · Substantial damage
  > The partial loss of engine power during takeoff due to oil starvation.
- [NTSB ERA15LA205](https://openairdocs.org/ntsb/ERA15LA205.md): Jerome D Fischer RV-7 · Bartow, GA · Accident · Minor injuries · Limited investigation · Final report · May 5, 2015 · N364SJ · Substantial damage
  > The pilot's use of the improper fuel grade for the engine, which resulted in detonation, engine damage, and loss of engine power.
- [NTSB WPR15LA156](https://openairdocs.org/ntsb/WPR15LA156.md): Buhl LA 1 · Cottage Grove, OR · Accident · Minor injuries · Limited investigation · Final report · May 3, 2015 · N352Y · Substantial damage
  > A loss of engine power on downwind for landing due to carburetor icing, which resulted in a forced landing.
- [NTSB ENG15WA040](https://openairdocs.org/ntsb/ENG15WA040.md): Bell 407 · Morobe Province, Papua New Guinea · Incident · No injuries · Foreign investigation · May 2, 2015 · P2-HSL · No damage
  > On May 2, 2015, a Bell Helicopters 407 powered by a Roll-Royce M250-C47B turboshaft experienced an unexpected uncommanded high rate of descent while on approach to the helipad with an external load of two diesel fuel drums. The pilot jettisoned his load and…
- [NTSB CEN15LA217](https://openairdocs.org/ntsb/CEN15LA217.md): Cessna 150F · Neillsville, WI · Accident · Minor injuries · Limited investigation · Final report · May 2, 2015 · N8558G · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because a postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA15LA200](https://openairdocs.org/ntsb/ERA15LA200.md): Diamond Aircraft Ind DA 20 C1 · Sylacauga, AL · Accident · No injuries · Limited investigation · Final report · Apr 27, 2015 · N248ME · Substantial damage
  > A partial loss of engine power due to the failure of the throttle body/fuel metering unit to provide the engine with adequate fuel pressure for full power operation.
- [NTSB ERA15LA197](https://openairdocs.org/ntsb/ERA15LA197.md): James Kilroy Pitts Model 12 · LaGrange, GA · Accident · Serious injuries · Limited investigation · Final report · Apr 22, 2015 · N488WT · Substantial damage
  > A partial loss of engine power after takeoff 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 ENG15RA023](https://openairdocs.org/ntsb/ENG15RA023.md): Boeing 400 · Islamabad, Pakistan, Pakistan · Incident · No injuries · Foreign investigation · Apr 21, 2015 · AP-BJT · No damage
  > On April 21, 2015, a Shaheen Air International (SAI) Boeing 737-400, powered by CFMI CFM56-3C1 turbofan engines, experienced a No. 1 (left engine) failure while climbing through 3,200 feet. The flight crew heard a loud band and high exhaust gas temperature…
- [NTSB ERA15LA201](https://openairdocs.org/ntsb/ERA15LA201.md): Universal Stinson 108-1 · Macon, MS · Accident · No injuries · Limited investigation · Final report · Apr 16, 2015 · N9799G · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB WPR15LA139](https://openairdocs.org/ntsb/WPR15LA139.md): Beech H35 · Tucson, AZ · Accident · No injuries · Limited investigation · Final report · Mar 30, 2015 · N112F · Substantial damage
  > A partial loss of engine power during initial takeoff climb for reasons that could not be determined because postaccident examination revealed no evidence of a mechanical anomaly that would have precluded normal operation.
- [NTSB ERA15FA171](https://openairdocs.org/ntsb/ERA15FA171.md): Piper PA28 · West Chester, PA · Accident · 2 fatal · Field investigation · Final report · Mar 29, 2015 · N6842W · Destroyed
  > The failure of the flight instructor and the pilot to abort the takeoff after the airplane experienced a partial loss of engine power with adequate runway remaining, and their subsequent failure to maintain adequate airspeed, which led to the airplane…
- [NTSB CEN15LA206](https://openairdocs.org/ntsb/CEN15LA206.md): Piper PA 32R-301T · Stephenville, TX · Accident · Serious injuries · Limited investigation · Final report · Mar 27, 2015 · N9284 · Substantial damage
  > The partial loss of engine power after takeoff for undetermined reasons, which necessitated a forced landing, during which the airplane impacted trees and a power line.
- [NTSB ERA15LA179](https://openairdocs.org/ntsb/ERA15LA179.md): Bell 206B · Taylors Island, MD · Accident · No injuries · Limited investigation · Final report · Mar 24, 2015 · N43CM · Substantial damage
  > A partial loss of engine power during cruise flight 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 CEN15LA180](https://openairdocs.org/ntsb/CEN15LA180.md): Cessna 208B · Verdigris, OK · Accident · Minor injuries · Limited investigation · Final report · Mar 24, 2015 · N106BZ · Substantial damage
  > The fuel pump gear manufacturer’s allowance of set-up gears made from a nonconforming material to be put in the production inventory system, the installation of a nonconforming gear in the accident airplane’s production fuel pump, and the gear’s failure,…
- [NTSB WPR15LA131](https://openairdocs.org/ntsb/WPR15LA131.md): Mccurry Charles P F 1 Rocket · Sedona, AZ · Accident · Serious injuries · Limited investigation · Final report · Mar 21, 2015 · N747MC · Substantial damage
  > The partial loss of engine power during final approach for reasons that could not be determined during postaccident examination of the engine.
- [NTSB CEN15LA170](https://openairdocs.org/ntsb/CEN15LA170.md): Maule M 7-260C · Oregon, MO · Accident · No injuries · Limited investigation · Final report · Mar 10, 2015 · N55000 · Substantial damage
  > Engine vibration for reasons that could not be determined based on the available evidence.
- [NTSB CEN15LA169](https://openairdocs.org/ntsb/CEN15LA169.md): Hoke Bobby F Rans S 12 · Rusk, TX · Accident · Serious injuries · Limited investigation · Final report · Mar 7, 2015 · N154BH · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information. Contributing to the accident was the pilot's failure to maintain control while maneuvering for a forced landing, which resulted in the airplane…
- [NTSB ERA15FA139](https://openairdocs.org/ntsb/ERA15FA139.md): Adams Donald L DA1 · Sebring, FL · Accident · 1 fatal · Field investigation · Final report · Mar 2, 2015 · N797A · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB CEN15WA161](https://openairdocs.org/ntsb/CEN15WA161.md): Cirrus SR22 · Ljubljana, Moste, Slovenia, Slovenia · Accident · No injuries · Foreign investigation · Feb 28, 2015 · S5-DJW · Substantial damage
  > The accident investigation is under the jurisdiction and control of the Slovenian government. This report is for information purposes only and contains only information released by or obtained from the Slovenian government. Further information pertaining to…
- [NTSB ERA15LA134](https://openairdocs.org/ntsb/ERA15LA134.md): Cirrus Design SR22 · Lexington, KY · Accident · No injuries · Limited investigation · Final report · Feb 19, 2015 · N358CD · Substantial damage
  > Maintenance personnel's failure to properly inspect and clean the engine ignition harness spark plug terminals, which resulted in a partial loss of engine power during an attempted takeoff.
- [NTSB ERA15LA133](https://openairdocs.org/ntsb/ERA15LA133.md): Johnson Joel H Rans S-6ES Coyote II · Rincon, PR · Accident · 1 fatal · Limited investigation · Final report · Feb 19, 2015 · N5196W · Substantial damage
  > The inadequate maintenance and inspection of the fuel system, which resulted in partial blockage of a fuel filter, a partial loss of engine power, and subsequent ditching.

Next page: https://openairdocs.org/ntsb-events/342/cases.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 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=17

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