# 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 22 of 38 · 1,858 cases

## Cases, newest first

- [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 CEN15CA261](https://openairdocs.org/ntsb/CEN15CA261.md): Brewer Sportcopter Votex M · Sikeston, MO · Accident · Minor injuries · Data collection · Final report · Jun 5, 2015 · N229MG · Substantial damage
  > The pilot inadvertently reducing engine power to the idle position while maneuvering at a low altitude.
- [NTSB CEN15FA249](https://openairdocs.org/ntsb/CEN15FA249.md): Monnett John T JR Sonex SA · Oshkosh, WI · Accident · 2 fatal · Field investigation · Final report · Jun 2, 2015 · N123SX · Substantial damage
  > The pilot's failure to maintain sufficient airspeed following a loss of engine power during initial takeoff climb, which resulted in the airplane's wing exceeding its critical angle-of-attack and a subsequent aerodynamic stall. The reason for the loss of…
- [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 CEN15LA233](https://openairdocs.org/ntsb/CEN15LA233.md): Cessna T206H · Piggott, AR · Accident · Minor injuries · Limited investigation · Final report · May 15, 2015 · N164CS · Substantial damage
  > The loss of engine power due to a malfunctioning magneto. Contributing to the accident was maintenance personnel's improper use of a drill bit instead of a timing pin during magneto installation, which resulted in a section of the drill bit breaking off and…
- [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 CEN15LA226](https://openairdocs.org/ntsb/CEN15LA226.md): Air Tractor AT 502B · Dighton, KS · Accident · No injuries · Limited investigation · Final report · May 10, 2015 · N879JA · Substantial damage
  > The pilot's failure to follow the Preflight checklist and his inadequate preflight inspection, during which he failed to detect the water contamination of the fuel, which resulted in a partial loss of engine power during initial climb.
- [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 CEN15IA230](https://openairdocs.org/ntsb/CEN15IA230.md): Cessna 152 · Pilot Point, TX · Incident · No injuries · Incident investigation · Final report · Apr 30, 2015 · N49158 · Minor damage
  > The loss of engine power due to the separation of the distributor gear arm on the left magneto.
- [NTSB CEN15FA211](https://openairdocs.org/ntsb/CEN15FA211.md): Hoffman Zenith 701 · Trinidad, CO · Accident · 1 fatal · Field investigation · Final report · Apr 30, 2015 · N95MH · Substantial damage
  > The noncertificated pilot's failure to maintain airspeed following a loss of engine power while maneuvering at a low altitude, which resulted in the airplane's wing exceeding its critical angle-of-attack and a subsequent aerodynamic stall. The reason for the…
- [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 CEN15LA205](https://openairdocs.org/ntsb/CEN15LA205.md): Pitts Model 12 · Burneyville, OK · Accident · Minor injuries · Limited investigation · Final report · Apr 18, 2015 · N12DR · Substantial damage
  > The partial loss of engine power due to contamination of the fuel system.
- [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 ERA15LA166](https://openairdocs.org/ntsb/ERA15LA166.md): Hawker Beechcraft G36 · Inverness, FL · Accident · Minor injuries · Class 3 · Limited · Final report · Mar 23, 2015 · N936B · Substantial damage
  > The pilot's inadequate fuel planning, which resulted in fuel exhaustion and a total loss of engine power.
- [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 CEN15LA175](https://openairdocs.org/ntsb/CEN15LA175.md): Grumman Acft ENG Cor-Schweizer G 164A · New Roads, LA · Accident · Minor injuries · Limited investigation · Final report · Mar 17, 2015 · N9755 · Substantial damage
  > The loss of engine power due to three stuck exhaust valves.
- [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.
- [NTSB ENG15RA015](https://openairdocs.org/ntsb/ENG15RA015.md): Boeing 767 - 204ER · Islamabad, Pakistan, Pakistan · Incident · No injuries · Foreign investigation · Feb 17, 2015 · JY-JAG · Minor damage
  > On February 15, 2015, a Jordan Air Boeing 767-204ER, leased by Shaheen Air International (SAI), experienced a failure of the No. 1 engine, a General Electric CF6-80A2 turbofan engine, during the takeoff roll from the Islamabad International Airport (ISB),…
- [NTSB ANC15LA011](https://openairdocs.org/ntsb/ANC15LA011.md): Cessna 180 · Glennallen, AK · Accident · No injuries · Limited investigation · Final report · Feb 9, 2015 · N9280C · Substantial damage
  > An in-flight fire and a partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB ERA15LA123](https://openairdocs.org/ntsb/ERA15LA123.md): American AA-1 · Fort Meade, MD · Accident · Serious injuries · Limited investigation · Final report · Feb 8, 2015 · N6116L · Substantial damage
  > The mechanic’s failure to detect the incorrect dry valve tappet clearances while troubleshooting ongoing engine issues, which resulted in partial loss of engine power during takeoff. Contributing to the partial loss of engine power was the mechanic's failure…
- [NTSB DCA15RA059](https://openairdocs.org/ntsb/DCA15RA059.md): ATR 72 · Taipei, Taiwan · Accident · 43 fatal · Foreign investigation · Feb 4, 2015 · B-22816 · Destroyed
  > import
- [NTSB WPR15LA096](https://openairdocs.org/ntsb/WPR15LA096.md): Robinson Helicopter R44 II · Calexico, CA · Accident · No injuries · Limited investigation · Final report · Feb 1, 2015 · N510KJ · 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 WPR15CA091](https://openairdocs.org/ntsb/WPR15CA091.md): Cessna 172N · Makaha, HI · Accident · Minor injuries · Data collection · Final report · Jan 26, 2015 · N422BP · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because the airplane was ditched and not recovered.
- [NTSB WPR15LA086](https://openairdocs.org/ntsb/WPR15LA086.md): Cessna 172N · Ualapue, HI · Accident · Serious injuries · Limited investigation · Final report · Jan 17, 2015 · N5660E · Substantial damage
  > A partial loss of engine power during cruise flight for reasons that could not be determined because the airplane was not recovered.
- [NTSB ERA15LA094](https://openairdocs.org/ntsb/ERA15LA094.md): Cessna 172 · Norfolk, VA · Accident · No injuries · Limited investigation · Final report · Jan 6, 2015 · N2102P · Substantial damage
  > The engine’s failure to regain full power after a simulated engine failure for reasons that could not be determined during postaccident examinations and testing.

Next page: https://openairdocs.org/ntsb-events/342/sequence.md?page=23

## 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=22

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