# Final NTSB investigations, TX: 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 4 · 156 cases

## Latest cases

- [NTSB DCA25LA185](https://openairdocs.org/ntsb/DCA25LA185.md): Boeing 737 · Houston, TX · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 17, 2025 · N7724A · No damage
  > Serious Injury to a flight attendant sustained during an evacuation.
- [NTSB CEN25LA107](https://openairdocs.org/ntsb/CEN25LA107.md): Schweizer 269C-1 · Alvord, TX · Accident · No injuries · Class 3 · Limited · Final report · Feb 28, 2025 · N2027T · Substantial damage
  > A total loss of engine power for a reason that could not be determined.
- [NTSB CEN25LA054](https://openairdocs.org/ntsb/CEN25LA054.md): American AA-1B · Brenham, TX · Accident · No injuries · Class 3 · Limited · Final report · Dec 1, 2024 · N6242L · Substantial damage
  > A partial loss of engine power due to an obstructed induction system from a mud dauber nest.
- [NTSB CEN25LA025](https://openairdocs.org/ntsb/CEN25LA025.md): Boeing A75N1 · Denton, TX · Accident · No injuries · Class 4 · Limited · Final report · Oct 21, 2024 · N62394 · Substantial damage
  > The partial loss of engine power during the initial climb and the pilot’s failure to maintain directional control during the forced landing with a tailwind.
- [NTSB CEN24LA301](https://openairdocs.org/ntsb/CEN24LA301.md): Tailwind W10 · West Livingston, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 3, 2024 · N129WT · Substantial damage
  > A partial loss of engine power due to carburetor ice.
- [NTSB CEN24LA236](https://openairdocs.org/ntsb/CEN24LA236.md): Cirrus Design SR22T · Boerne, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 23, 2024 · N87AQ · Substantial damage
  > Maintenance personnel’s inadequate adjustment of fuel flow, which resulted in an excessively rich mixture, a rough-running engine, and a subsequent partial loss of engine power.
- [NTSB CEN24LA200](https://openairdocs.org/ntsb/CEN24LA200.md): Piper PA28 · Taylor, TX · Accident · Minor injuries · Class 3 · Limited · Final report · May 27, 2024 · N56466 · Substantial damage
  > A partial loss of engine power due to an incorrect carburetor air inlet hose, which led to a reduction in air flow to the engine.
- [NTSB CEN24LA137](https://openairdocs.org/ntsb/CEN24LA137.md): Enstrom Helicopter 280C · Port Lavaca, TX · Accident · No injuries · Class 3 · Limited · Final report · Mar 16, 2024 · N280WR · Substantial damage
  > The pilot’s improper manual engine mixture management which resulted in a loss of power. Contributing to the accident was the mechanic’s improper setting of the idle mixture adjustment and the pilot’s decision to take off with a known mechanical deficiency.
- [NTSB CEN24LA065](https://openairdocs.org/ntsb/CEN24LA065.md): Beech B36TC · Burnet, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 17, 2023 · N70SL · Destroyed
  > The loss of engine power due an overly rich mixture from an improper adjustment of the fuel pump, which resulted in a forced landing and impact with a car and terrain.
- [NTSB CEN23LA367](https://openairdocs.org/ntsb/CEN23LA367.md): Cessna 172B · San Angelo, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 17, 2023 · N7509X · Substantial damage
  > A partial loss of engine power due to loose bolts holding the carburetor throttle body to the fuel bowl.
- [NTSB WPR23LA117](https://openairdocs.org/ntsb/WPR23LA117.md): Stinson 108 · Lampasas, TX · Accident · No injuries · Class 3 · Limited · Final report · Mar 4, 2023 · N6532M · Substantial damage
  > Improper case hardening of the crankshaft timing gear, which resulted in the fatigue failure of the gear and a total loss of engine power.
- [NTSB CEN23LA107](https://openairdocs.org/ntsb/CEN23LA107.md): Mooney M20 · Lakeway, TX · Accident · No injuries · Class 3 · Limited · Final report · Feb 12, 2023 · N304MA · Substantial damage
  > A total loss of engine power due to detonation and preignition in the No. 6 cylinder.
- [NTSB CEN22LA429](https://openairdocs.org/ntsb/CEN22LA429.md): Commander 114TC · Savoy, TX · Accident · No injuries · Class 3 · Limited · Final report · Sep 22, 2022 · N495TC · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB CEN22LA413](https://openairdocs.org/ntsb/CEN22LA413.md): Piper PA32RT · Bulverde, TX · Accident · No injuries · Class 3 · Limited · Final report · Sep 9, 2022 · N31981 · Substantial damage
  > The partial loss of engine power due to excessive carbon deposits that resulted in one or more stuck exhaust valves.
- [NTSB CEN22LA283](https://openairdocs.org/ntsb/CEN22LA283.md): Osprey II · Bulverde, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 24, 2022 · N10236 · Substantial damage
  > A loss of engine power due to fuel starvation due to a blockage of the fuel tank outlet port.
- [NTSB CEN22LA230](https://openairdocs.org/ntsb/CEN22LA230.md): Cessna 172P · Ennis, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 2, 2022 · N65497 · Substantial damage
  > A partial loss of engine power for reasons that were undetermined.
- [NTSB CEN22LA106](https://openairdocs.org/ntsb/CEN22LA106.md): Dehavilland Tiger Moth DH 82A · Lampasas, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Jan 23, 2022 · N5300 · Substantial damage
  > The failure of a bolt in the engine valve system which resulted in malfunction of the engine exhaust valve system and a partial loss of engine power. The rough terrain encountered during the forced landing contributed to the outcome.
- [NTSB CEN22LA036](https://openairdocs.org/ntsb/CEN22LA036.md): Cessna 177 · Hudson Oaks, TX · Accident · No injuries · Class 3 · Limited · Final report · Oct 31, 2021 · N29615 · Substantial damage
  > The partial loss of engine power due to fuel exhaustion. Contributing was the pilot’s improper fuel planning.
- [NTSB CEN22LA002](https://openairdocs.org/ntsb/CEN22LA002.md): Beech B23 · Lamesa, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 2, 2021 · N6996Q · Substantial damage
  > The loss of engine power for a reason that could not be determined.
- [NTSB CEN21LA391](https://openairdocs.org/ntsb/CEN21LA391.md): Cessna 320 · Windthorst, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 29, 2021 · N222L · Substantial damage
  > A forced landing due to a loss of engine power on the right engine for a reason that could not be determined based on the available evidence.
- [NTSB CEN21LA375](https://openairdocs.org/ntsb/CEN21LA375.md): Haley Highlander · Waller, TX · Accident · No injuries · Class 3 · Limited · Final report · Aug 14, 2021 · N100GH · Substantial damage
  > A loss of engine power due to fuel exhaustion.
- [NTSB CEN21LA473](https://openairdocs.org/ntsb/CEN21LA473.md): Beech 35-A33 · Mineral Wells, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 23, 2021 · N5ML · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB CEN21LA293](https://openairdocs.org/ntsb/CEN21LA293.md): Piper PA-28-140 · Porter, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 25, 2021 · N4216J · Substantial damage
  > The pilot’s decision to continue the takeoff with degraded engine performance, which resulted in an inability to climb and a subsequent forced landing. The reason for the engine’s degraded performance could not be determined based on available information.
- [NTSB CEN21LA273](https://openairdocs.org/ntsb/CEN21LA273.md): Tony Dubeansky RV10 · Fort Worth, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 16, 2021 · N878TD · Substantial damage
  > A partial loss of engine power due to a separated electronic ignition system connector. Contributing to the accident was the location of the ignition boxes, which provided limited access to the connectors for visual inspection.
- [NTSB CEN21LA176](https://openairdocs.org/ntsb/CEN21LA176.md): Beech B35 · Pearland, TX · Accident · No injuries · Class 3 · Limited · Final report · Apr 3, 2021 · N5240C · Substantial damage
  > The partial loss of engine power due to a crack in the No. 1 cylinder for unknown reasons.
- [NTSB CEN21LA133](https://openairdocs.org/ntsb/CEN21LA133.md): Aero Commander S2R · Alamo, TX · Accident · No injuries · Class 3 · Limited · Final report · Feb 9, 2021 · N5679X · Substantial damage
  > The partial loss of engine power due to water-contaminated fuel.
- [NTSB CEN21LA078](https://openairdocs.org/ntsb/CEN21LA078.md): Vans RV4 · Sadler, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 7, 2020 · N423WH · Substantial damage
  > The partial loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB CEN21LA035](https://openairdocs.org/ntsb/CEN21LA035.md): Piper PA28 · Crystal Beach, TX · Accident · No injuries · Class 3 · Limited · Final report · Oct 26, 2020 · N32458 · Substantial damage
  > The partial loss of engine power for reasons that could not be determined.
- [NTSB CEN20LA291](https://openairdocs.org/ntsb/CEN20LA291.md): Cessna 140 · Arlington, TX · Accident · No injuries · Class 3 · Limited · Final report · Jul 18, 2020 · N140AB · Substantial damage
  > The pilot's failure to maintain directional control during a forced landing with a quartering tailwind, following a partial loss of engine power due to carburetor icing.
- [NTSB CEN20LA262](https://openairdocs.org/ntsb/CEN20LA262.md): Beech F35 · Ravenna, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 5, 2020 · N4219B · Substantial damage
  > Electrical and engine problems for reasons that could not be determined based on available evidence.
- [NTSB CEN20LA260](https://openairdocs.org/ntsb/CEN20LA260.md): Champion 7EC · Port O'Conner, TX · Accident · No injuries · Class 3 · Limited · Final report · Jul 3, 2020 · N9891B · Substantial damage
  > The loss of engine power due to a stuck intake valve.
- [NTSB CEN20LA256](https://openairdocs.org/ntsb/CEN20LA256.md): Cessna 320 · Round Rock, TX · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 1, 2020 · N19AS · Destroyed
  > Improper maintenance that led to a loss of engine power due to a failed left engine magneto, the pilot’s improper application of single engine emergency procedures, and his failure to maintain control of the airplane which resulted in a collision with trees.
- [NTSB CEN20LA170](https://openairdocs.org/ntsb/CEN20LA170.md): Ercoupe 415 · Hallettsville, TX · Accident · No injuries · Class 3 · Limited · Final report · Apr 30, 2020 · N2275H · Substantial damage
  > The partial loss of engine power due to contaminated fuel and carburetor ice.
- [NTSB CEN20LA159](https://openairdocs.org/ntsb/CEN20LA159.md): Pilatus PC12 · Mesquite, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 23, 2020 · N477SS · Substantial damage
  > The loss of engine power due to a mis-rigged beta control cable (propeller reversing cable), which resulted in a loss of thrust inflight.
- [NTSB CEN20LA051](https://openairdocs.org/ntsb/CEN20LA051.md): Enstrom F28 · Danbury, TX · Accident · No injuries · Class 3 · Limited · Final report · Dec 31, 2019 · N57SJ · Substantial damage
  > The failure of the engine's No.3 intake valve resulting is a loss of engine power and a rollover following the autorotation to soft ground.
- [NTSB ERA20LA054](https://openairdocs.org/ntsb/ERA20LA054.md): Robinson R44 · San Antonio, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 14, 2019 · N440AH · Substantial damage
  > Maintenance personnel’s failure to complete all necessary steps of a service bulletin and subsequent failure to identify the loose lower actuator bearing support bracket during inspections, which resulted in the misalignment of the clutch actuator, resulted…
- [NTSB CEN20FA023](https://openairdocs.org/ntsb/CEN20FA023.md): Piper PA24 · San Antonio, TX · Accident · 3 fatal · Class 3 · Field · Final report · Dec 2, 2019 · N6678P · Substantial damage
  > The loss of engine power for reason that could not be determined. Contributing to the accident was the pilot’s failure to maintain aircraft control while maneuvering to landing which resulted in an inadvertent stall/spin with insufficient altitude to recover.
- [NTSB CEN20LA005](https://openairdocs.org/ntsb/CEN20LA005.md): Zenair Zenith CH 701 · Garden Ridge, TX · Accident · No injuries · Limited investigation · Final report · Oct 5, 2019 · N701BJ · Substantial damage
  > The partial loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB CEN19LA326](https://openairdocs.org/ntsb/CEN19LA326.md): Vans Vans RV-10 · Lancaster, TX · Accident · No injuries · Class 3 · Limited · Final report · Sep 21, 2019 · N569JC · Substantial damage
  > A partial loss of engine power due to a faulty magneto/ignition system, which resulting in a forced landing.
- [NTSB CEN19FA325](https://openairdocs.org/ntsb/CEN19FA325.md): Cessna A185 · Conroe, TX · Accident · 2 fatal · Class 3 · Field · Final report · Sep 21, 2019 · C-GOZJ · Destroyed
  > A partial loss of engine power due to fuel contamination with water, and the pilot’s failure to maintain control of the airplane during an attempted return to the airport shortly after takeoff, which resulted in an aerodynamic stall.
- [NTSB CEN19LA299](https://openairdocs.org/ntsb/CEN19LA299.md): Piper PA28 · Conroe, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 31, 2019 · N55633 · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB CEN19LA275](https://openairdocs.org/ntsb/CEN19LA275.md): Cessna 150 · Rio Grande City, TX · Accident · No injuries · Class 3 · Limited · Final report · Aug 15, 2019 · N150CR · Substantial damage
  > The loss of engine power following an increase in oil temperature for undetermined reasons during cruise flight, which resulted in a forced landing on unsuitable terrain.
- [NTSB CEN19LA167](https://openairdocs.org/ntsb/CEN19LA167.md): Ercoupe 415 · Hawkins, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 13, 2019 · N87294 · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB CEN19LA158](https://openairdocs.org/ntsb/CEN19LA158.md): Boeing B75N1 · Fredericksburg, TX · Accident · Serious injuries · Class 3 · Limited · Final report · May 29, 2019 · N60955 · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB CEN19LA129](https://openairdocs.org/ntsb/CEN19LA129.md): Piper PA 23 · Sulphur Spring, TX · Accident · No injuries · Class 3 · Limited · Final report · Apr 27, 2019 · N233P · Substantial damage
  > The pilot’s inadequate preflight inspection, during which he failed to detect the water contamination in the left fuel, which resulted in a partial loss of power in the left engine. Contributing to the accident was the total loss of power in the right engine…
- [NTSB CEN19FA099](https://openairdocs.org/ntsb/CEN19FA099.md): Cessna 172 · Lakeway, TX · Accident · 1 fatal · Class 2 · Field · Final report · Mar 14, 2019 · N8620B · Substantial damage
  > A partial loss of engine power for reasons that could not be determined, and the flight instructor's exceedance of the airplane's critical angle of attack while maneuvering for a forced landing, which resulted in an aerodynamic stall and subsequent loss of…
- [NTSB CEN19LA076](https://openairdocs.org/ntsb/CEN19LA076.md): Piper PA32RT · Pflugerville, TX · Accident · Minor injuries · Limited investigation · Final report · Jan 27, 2019 · N39650 · Substantial damage
  > The pilot's fuel mismanagement and his improper use and placement of the fuel selector, contrary to operating procedures, which resulted in a partial loss of engine power due to fuel starvation.
- [NTSB CEN19LA002](https://openairdocs.org/ntsb/CEN19LA002.md): Cirrus SR22 · Midland, TX · Accident · Minor injuries · Limited investigation · Final report · Oct 12, 2018 · N729TG · Substantial damage
  > The loss of engine power due to excessive fuel flow.
- [NTSB CEN18LA382](https://openairdocs.org/ntsb/CEN18LA382.md): Cessna 206 · Sugar Land, TX · Accident · Minor injuries · Limited investigation · Final report · Sep 19, 2018 · N247F · Substantial damage
  > Fatigue failure of the No. 1 cylinder intake valve, which resulted in the loss of engine power.
- [NTSB CEN18LA385](https://openairdocs.org/ntsb/CEN18LA385.md): Zenair Zenith CH 750 · Temple, TX · Accident · Minor injuries · Limited investigation · Final report · Sep 10, 2018 · N946JY · Substantial damage
  > The accumulation of carburetor ice before takeoff, which resulted in a partial loss of engine power on initial climb and a forced landing on unsuitable terrain.

Next page: https://openairdocs.org/ntsb-events/342/sequence.md?status=final&state=TX&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 c."eventStateOrRegion" = 'TX' AND c."eventCountry" = 'USA'
  AND c."completionStatus" = 'Completed'
  AND 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?state=TX&status=final

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