# NTSB investigations, 2023: 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 2 · 75 cases

## Latest cases

- [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 GAA24WA056](https://openairdocs.org/ntsb/GAA24WA056.md): Cessna F150 · Budapest, Hungary · Accident · No injuries · Class 5 · Foreign · Dec 15, 2023 · HA-BHI · Substantial damage
- [NTSB WPR24FA054](https://openairdocs.org/ntsb/WPR24FA054.md): Beech A36 · Topock, AZ · Accident · 1 fatal · Class 3 · Field · Final report · Dec 10, 2023 · N4171S · Substantial damage
  > The failure of the No. 4 connecting rod due to oil starvation, which resulted in a loss of engine power, inflight fire, and a subsequent off-airport emergency landing on rough desert terrain. Contributing to the accident was the pilot’s decision to attempt a…
- [NTSB CEN24LA056](https://openairdocs.org/ntsb/CEN24LA056.md): Vans RV6 · Fordyce, AR · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 5, 2023 · N600VS · Substantial damage
  > The pilot’s failure to attain a proper touchdown point following an unidentified electrical system failure and subsequent partial loss of engine power, which resulted in a runway overrun and impact with terrain. Contributing to the accident was the pilot’s…
- [NTSB GAA24WA050](https://openairdocs.org/ntsb/GAA24WA050.md): Piper PA30 · Villejuif, France · Accident · Serious injuries · Class 5 · Foreign · Dec 4, 2023 · F-BPIR · Destroyed
- [NTSB ANC24LA005](https://openairdocs.org/ntsb/ANC24LA005.md): Diamond Aircraft Ind DA 40 · Kapolei, HI · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 4, 2023 · N691YW · Substantial damage
  > A partial loss of engine power due to lose baffling from the muffler, which resulted in an obstruction of the exhaust system.
- [NTSB CEN24LA036](https://openairdocs.org/ntsb/CEN24LA036.md): Textron 172S · Erie, CO · Accident · No injuries · Class 3 · Limited · Final report · Nov 9, 2023 · N1817E · Substantial damage
  > A partial loss of engine power while maneuvering at a low altitude due to a stuck exhaust valve.
- [NTSB GAA24WA055](https://openairdocs.org/ntsb/GAA24WA055.md): Robinson R44 · Groenvlei, South Africa · Accident · Class 5 · Foreign · Oct 26, 2023 · ZT-RBU · Substantial damage
- [NTSB GAA24WA042](https://openairdocs.org/ntsb/GAA24WA042.md): Beech C23 · Bram Fischer International Airpor, South Africa · Accident · 1 fatal · Class 5 · Foreign · Oct 21, 2023 · ZS-JKE · Substantial damage
- [NTSB ERA24LA016](https://openairdocs.org/ntsb/ERA24LA016.md): Cessna 172L · Richmond, VA · Accident · No injuries · Class 3 · Limited · Final report · Oct 21, 2023 · N7716G · Substantial damage
  > The loss of engine power due to a restriction of fuel flow as a result of a fractured float bracket in the carburetor.
- [NTSB GAA24WA019](https://openairdocs.org/ntsb/GAA24WA019.md): Cessna 208 · Barwon Heads Geelong, Australia · Accident · Serious injuries · Class 5 · Foreign · Oct 19, 2023 · VH-UMV · Substantial damage
- [NTSB ENG24WA006](https://openairdocs.org/ntsb/ENG24WA006.md): Viking DHC-6-200 · Hulhulé Island, Maldives · Incident · No injuries · Class 5 · Foreign · Oct 6, 2023 · 8Q-RAL · No damage
- [NTSB ERA24FA001](https://openairdocs.org/ntsb/ERA24FA001.md): Cessna 177RG · Lake Placid, NY · Accident · 2 fatal · Class 3 · Field · Final report · Oct 1, 2023 · N545PZ · Substantial damage
  > A partial loss of engine power for undetermined reasons. Contributing to the accident was the pilot’s inadequate preflight weight and balance planning and his aggressive low altitude maneuvering, which resulted in an aerodynamic stall and loss of control.
- [NTSB GAA23WA278](https://openairdocs.org/ntsb/GAA23WA278.md): De Havilland DHC2 · Campbel River, Canada · Accident · No injuries · Class 3 · Foreign · Sep 20, 2023 · C-GSBA · Substantial damage
- [NTSB GAA23WA257](https://openairdocs.org/ntsb/GAA23WA257.md): Robinson R44 · Guatemala City, Guatemala · Accident · Class 5 · Foreign · Sep 15, 2023 · YS-1000P · Substantial damage
- [NTSB ERA23LA372](https://openairdocs.org/ntsb/ERA23LA372.md): Cessna 182P · Prospect, TN · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 14, 2023 · N8443M · Substantial damage
  > A loss of engine power due to the fatigue failure of the No. 6 cylinder exhaust valve rocker boss.
- [NTSB CEN23LA415](https://openairdocs.org/ntsb/CEN23LA415.md): Piper PA-32-300 · Moberly, MO · Accident · No injuries · Class 4 · Limited · Final report · Sep 11, 2023 · N4219T · Substantial damage
  > The flight instructor’s inadequate fuel management that resulted in fuel starvation and a total loss of engine power during an approach for landing.
- [NTSB ENG23WA036](https://openairdocs.org/ntsb/ENG23WA036.md): Airbus A320 · Chihuahua, MX, Mexico · Incident · No injuries · Class 5 · Foreign · Sep 3, 2023 · XA-VSE · No damage
- [NTSB DCA23WA423](https://openairdocs.org/ntsb/DCA23WA423.md): Douglas DC9 · Maturin, Venezuela · Incident · No injuries · Class 5 · Foreign · Aug 24, 2023 · YV648T · No damage
- [NTSB GAA23WA238](https://openairdocs.org/ntsb/GAA23WA238.md): Beech 1900 · Nassau, Bahamas · Incident · Class 5 · Foreign · Aug 18, 2023 · C6-KRC
- [NTSB ERA23LA331](https://openairdocs.org/ntsb/ERA23LA331.md): Cessna 175 · Wetumpka, AL · Accident · No injuries · Class 3 · Limited · Final report · Aug 11, 2023 · N7117M · Substantial damage
  > A total loss of engine power due to the separation of the No. 3 connecting rod from the crankshaft.
- [NTSB ANC23LA062](https://openairdocs.org/ntsb/ANC23LA062.md): Cessna 180J · Chaka Creek, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 10, 2023 · N42610 · Substantial damage
  > A partial loss of engine power as a result of carburetor ice. Contributing to the outcome was the pilot’s failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice.
- [NTSB WPR23LA314](https://openairdocs.org/ntsb/WPR23LA314.md): Reynolds Ronald B Team Acft Z-MAX · Rigby, ID · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 9, 2023 · N440ZM · Substantial damage
  > The loss of engine power during takeoff due to inadequately secured wires, which resulted in the wearing of the wires’ sheaths and the grounding of the airplane’s electrical system. Contributing to the accident was the pilot’s failure to maintain airplane…
- [NTSB WPR23LA307](https://openairdocs.org/ntsb/WPR23LA307.md): Boeing A75N1(PT17) · Red Lodge, MT · Accident · No injuries · Class 3 · Limited · Final report · Aug 8, 2023 · N56907 · Substantial damage
  > A partial loss of engine power during the initial climb out due to improper maintenance of the magneto.
- [NTSB WPR23LA306](https://openairdocs.org/ntsb/WPR23LA306.md): Boeing CH-46E · Springerville, AZ · Accident · No injuries · Class 3 · Limited · Final report · Aug 5, 2023 · N461WY · Destroyed
  > The flight crew’s misidentification of a No. 2 torque sensing system signal conditioner malfunction when both engines were performing normally, which resulted in their attempt to execute a single-engine steep approach and landing without sufficient engine…
- [NTSB WPR23FA299](https://openairdocs.org/ntsb/WPR23FA299.md): Czech Sport SportCruiser · Van Nuys, CA · Accident · 2 fatal · Class 3 · Field · Final report · Aug 2, 2023 · N384SC · Destroyed
  > The misalignment of the carburetor piston slides, which resulted in a partial loss of engine power, and the flight instructor’s failure to maintain control of the airplane during an emergency landing, leading to an aerodynamic stall and impact with terrain.
- [NTSB ERA23LA320](https://openairdocs.org/ntsb/ERA23LA320.md): Mesnard Velocity Twin · Sandersville, GA · Accident · 1 fatal · Class 3 · Limited · Final report · Aug 1, 2023 · N106VT · Substantial damage
  > A total loss of power in the right engine due to the right ECU injector wires being severed by the main landing gear actuator piston teeter bar as a result of a lack of clearance and protection of the wiring bundle.
- [NTSB ERA23LA310](https://openairdocs.org/ntsb/ERA23LA310.md): Piper PA-28-140 · New London, NC · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 24, 2023 · N98134 · Substantial damage
  > A partial loss of engine power due to the No. 4 cylinder’s stuck exhaust valve.
- [NTSB CEN23LA317](https://openairdocs.org/ntsb/CEN23LA317.md): Grumman G-164A · Patoka, IL · Accident · No injuries · Class 3 · Limited · Final report · Jul 22, 2023 · N9892 · Substantial damage
  > A partial loss of engine power due to the failure of two compressor turbine blades as a result of the engine operating near or above the engine’s operating limits for an undetermined amount of time beyond the recommended engine’s TBO limit, which led to…
- [NTSB WPR23LA283](https://openairdocs.org/ntsb/WPR23LA283.md): Beech C35 · Rock Springs, WY · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 20, 2023 · N620D · Substantial damage
  > Maintenance personnel’s failure to properly secure the propeller pitch control rod castellated nut hardware, which resulted in an in-flight failure of the pitch control bearing and subsequent loss of engine RPM and thrust.
- [NTSB CEN23FA314](https://openairdocs.org/ntsb/CEN23FA314.md): Piper PA-31P · Kearney, MO · Accident · 1 fatal · Class 3 · Field · Final report · Jul 20, 2023 · N200RA · Destroyed
  > The pilot’s decision to operate an airplane with known fuel leaks, his failure to conduct an engine run-up before takeoff, his subsequent failure to abort the takeoff, and the mechanic’s inadequate maintenance, which resulted in a partial loss of right engine…
- [NTSB WPR23LA278](https://openairdocs.org/ntsb/WPR23LA278.md): Aerospatiale AS-355E Twin Star · Farmington, UT · Accident · No injuries · Class 3 · Limited · Final report · Jul 19, 2023 · N102UM · Substantial damage
  > The premature failure of one of the No. 2 engine compressor bleed valve, which resulted in a partial loss of power to that engine.
- [NTSB CEN23LA313](https://openairdocs.org/ntsb/CEN23LA313.md): Pietenpol Aircamper · Gardner, KS · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 19, 2023 · N34KP · Substantial damage
  > A loss of engine power due to lead fouling of a spark plug.
- [NTSB ERA23LA297](https://openairdocs.org/ntsb/ERA23LA297.md): Cessna 150L · Elberton, GA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 12, 2023 · N16071 · Substantial damage
  > The pilot’s decision to take off with a known engine issue, which resulted in a partial loss of power on the initial climb due to the No. 1 cylinder’s exhaust valve becoming stuck. Contributing to the outcome, was the pilot’s delay in aborting the takeoff.
- [NTSB WPR23LA262](https://openairdocs.org/ntsb/WPR23LA262.md): Beech P35 · Shelter Cove, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 8, 2023 · N9520Y · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because the airplane was not located and recovered.
- [NTSB GAA23WA210](https://openairdocs.org/ntsb/GAA23WA210.md): Cessna 206 · Esrum Sø, Denmark · Incident · No injuries · Class 5 · Foreign · Jul 4, 2023 · LN-TEP · Minor damage
- [NTSB ERA23LA288](https://openairdocs.org/ntsb/ERA23LA288.md): Steen Skybolt · Aliceville, AL · Accident · No injuries · Class 4 · Limited · Final report · Jul 4, 2023 · N32WM · Substantial damage
  > A partial loss of engine power for reasons that could not be determined as the wreckage was not recovered and could not be examined.
- [NTSB CEN23LA273](https://openairdocs.org/ntsb/CEN23LA273.md): Berkut 540 · Cedar Rapids, IA · Accident · No injuries · Class 3 · Limited · Final report · Jul 1, 2023 · N567JS · Substantial damage
  > A partial loss of engine power during the test flight due to multiple ignition system anomalies.
- [NTSB ERA23LA285](https://openairdocs.org/ntsb/ERA23LA285.md): Diamond DA40 · Yorktown Heights, NY · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 29, 2023 · N44HH · Substantial damage
  > A fatigue failure of the turbocharger housing, which resulted in a partial loss of engine power.
- [NTSB WPR23FA244](https://openairdocs.org/ntsb/WPR23FA244.md): Curtiss Wright P-40E · Hamilton, MT · Accident · 1 fatal · Class 3 · Field · Final report · Jun 27, 2023 · N4420K · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB CEN23LA264](https://openairdocs.org/ntsb/CEN23LA264.md): Beech B19 · Scott City, KS · Accident · No injuries · Class 3 · Limited · Final report · Jun 24, 2023 · N9721Q · Substantial damage
  > A partial loss of engine power as a result of carburetor icing that formed while the engine was operating at a low power setting for an extended period before departure.
- [NTSB GAA23WA179](https://openairdocs.org/ntsb/GAA23WA179.md): Cessna 170 · Santiago, Brazil · Accident · Minor injuries · Class 4 · Foreign · Jun 19, 2023 · PT-KUM · Substantial damage
- [NTSB GAA23WA249](https://openairdocs.org/ntsb/GAA23WA249.md): Kitfox Mk IV · Drimmelen, Netherlands · Accident · Class 5 · Foreign · Jun 17, 2023 · PH-DJM · Substantial damage
- [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 GAA23WA170](https://openairdocs.org/ntsb/GAA23WA170.md): Cessna 210L · Groote Eylandt, Australia · Accident · Serious injuries · Class 5 · Foreign · Jun 16, 2023 · VH-FTM · Substantial damage
- [NTSB WPR23FA225](https://openairdocs.org/ntsb/WPR23FA225.md): Cessna R182 · McCall, ID · Accident · 1 fatal · Class 3 · Field · Final report · Jun 12, 2023 · N3138C · Substantial damage
  > Maintenance personnel's failure to properly torque and inspect the magneto hardware, which resulted in a partial loss of engine power.
- [NTSB ERA23FA265](https://openairdocs.org/ntsb/ERA23FA265.md): Beech B35 · Orangeburg, SC · Accident · 1 fatal · Class 3 · Field · Final report · Jun 10, 2023 · N8725A · Destroyed
  > A stuck No. 3 cylinder intake valve, which resulted in a partial loss of engine power and subsequent forced landing.
- [NTSB ENG23WA029](https://openairdocs.org/ntsb/ENG23WA029.md): Sikorsky S92 · Sola, Norway · Incident · No injuries · Class 5 · Foreign · Jun 5, 2023 · LN-OMI · No damage
- [NTSB GAA23WA159](https://openairdocs.org/ntsb/GAA23WA159.md): Piper PA-32-260 · Nicholls Town, Bahamas · Accident · No injuries · Class 5 · Foreign · Jun 1, 2023 · N3790W · Substantial damage
- [NTSB CEN23LA206](https://openairdocs.org/ntsb/CEN23LA206.md): Cessna 172B · Divide, CO · Accident · Minor injuries · Class 3 · Limited · Final report · May 29, 2023 · N8098X · Substantial damage
  > A loss of engine power during cruise flight for reasons that could not be determined.

Next page: https://openairdocs.org/ntsb-events/342/sequence.md?year=2023&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 year(c."eventDate") = 2023
  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?year=2023

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