NTSB investigations

233 cases where NTSB found Recip engine power section.

Cases per year

20082026
NTSB investigations per year, 2008–2026: 233 cases
200818
200916
201012
20117
201213
201318
20149
201520
201618
201711
201816
201914
202012
202112
202211
202314
202411
20251

Latest cases

Query with SQL
duckdb -csv -c "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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '01058520'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB ERA25LA141Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28-181 · Hollywood, FLA total loss of engine power was due to a fracture of the crankshaft at the No. 3 main journal, which originated from a preexisting, thermally induced crack that had gone undetected by maintenance personnel during an inspection performed as part of the…Mar 12, 2025 · N3055B · Substantial damageNTSB ERA24LA388Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172K · Spartanburg, SCMaintenance personnel’s failure to follow the engine manufacturer’s maintenance guidance, which resulted in the assembly of the engine with an obstructed oil passage, a subsequent lack of lubrication to the front main bearing, and a total loss of engine power.Sep 20, 2024 · N7037G · Substantial damageNTSB WPR24LA261Accident · No injuriesClass 3 · LimitedFinal reportAeronca 11AC · Winchester, CAA total loss of engine power due to a fatigue fracture of the crankshaft.Jul 27, 2024 · N86270 · Substantial damageNTSB WPR24LA240Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 182B · Soldier, IDA total loss of engine power resulting from the failure of the No. 1 piston and the No. 2 piston connecting rod due to detonation.Jul 13, 2024 · N2617G · Substantial damageNTSB WPR24LA159Accident · No injuriesClass 3 · LimitedFinal reportNanchang China CJ-6A · Peoria, AZThe partial loss of engine power during cruise flight due to the improper installation of the master connecting rod main bushing set screws, which backed off and allowed the main bushing to shift, resulting in scoring damage on the crankshaft that led to the…May 21, 2024 · N4182C · Substantial damageNTSB ERA24LA159Accident · Serious injuriesClass 3 · LimitedFinal reportDta Voyager II 912S · Clermont, FLLack of lubrication of the No. 4 connecting rod bearing, which resulted in a total loss of engine power.Mar 30, 2024 · N20330 · Substantial damageNTSB CEN24LA140Accident · No injuriesClass 3 · LimitedFinal reportCessna T210 · San Saba, TXA total loss of engine power due to multiple connecting rod failures from oil starvation.Mar 25, 2024 · N498TB · Substantial damageNTSB ERA24LA141Accident · No injuriesClass 3 · LimitedFinal reportCirrus Design SR22 · Winokur, GAA total loss of engine power due to the unseating and subsequent failure of the No. 4 piston connection rod bushing.Mar 16, 2024 · N469GB · Substantial damageNTSB WPR24FA103Incident · No injuriesClass 3 · FieldFinal reportCirrus Design SR22T · Bellevue, WAA total loss of engine power due to a fatigue fracture of the crankshaft.Mar 6, 2024 · N927CS · Minor damageNTSB WPR24LA084Accident · No injuriesClass 3 · LimitedFinal reportCessna 172P · Goodyear, AZBearing degradation that increased clearances between the bearing and crankshaft journal surfaces, resulting in fatigue cracks and the subsequent failure of the No. 3 connecting rod and a total loss of engine power. Contributing to the accident was the…Feb 10, 2024 · N52436 · Substantial damageNTSB ERA24LA095Accident · No injuriesClass 3 · LimitedFinal reportCessna 210D · Paris, TNThe disruption of torque to the No 4 connecting rod journals, which resulted in a spun bearing and the subsequent total loss of engine power.Jan 22, 2024 · N3857Y · Substantial damageNTSB WPR24LA076Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-181 · Colorado City, AZThe loss of engine power due to the failure of the No. 2 piston pin plug, which resulted in oil starvation and subsequent failure of the No. 3 connecting rod. Contributing to the accident was the inadequate engine inspections by maintenance personnel.Jan 13, 2024 · N2886X · Substantial damageNTSB WPR24FA054Accident · 1 fatalClass 3 · FieldFinal reportBeech A36 · Topock, AZThe 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…Dec 10, 2023 · N4171S · Substantial damageNTSB CEN24FA057Accident · 2 fatalClass 3 · FieldFinal reportBeech A23-24 · Oklahoma City, OKA total loss of engine power due to multiple connecting rod failures from oil starvation associated with an extensive before takeoff oil system leak, the source of which could not be identified due to postaccident fire damage.Dec 10, 2023 · N6945Q · DestroyedNTSB ERA23LA361Accident · No injuriesClass 3 · LimitedFinal reportBeech V35 · Rutledge, TNA total loss of engine power due to the fatigue failure of a retaining circlip in one of the No. 2 crankshaft cheek counterweights, which resulted in liberation of the counterweight.Sep 2, 2023 · N5431U · Substantial damageNTSB ERA23LA341Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Preston, CTA failure of the No. 2 connecting rod, which resulted in a total loss of engine power.Aug 19, 2023 · N7463W · Substantial damageNTSB ERA23LA331Accident · No injuriesClass 3 · LimitedFinal reportCessna 175 · Wetumpka, ALA total loss of engine power due to the separation of the No. 3 connecting rod from the crankshaft.Aug 11, 2023 · N7117M · Substantial damageNTSB ERA23LA310Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · New London, NCA partial loss of engine power due to the No. 4 cylinder’s stuck exhaust valve.Jul 24, 2023 · N98134 · Substantial damageNTSB WPR23FA275Accident · 1 fatalClass 3 · FieldFinal reportCessna T310R · Santa Fe, NMA total loss of left engine power as a result of improper installation of the aft-facing crankshaft counterweight retaining rings. Also causal was the pilot’s failure to maintain adequate airspeed following the loss of left engine power, which resulted in the…Jul 18, 2023 · N5251C · Substantial damageNTSB ANC23LA053Accident · No injuriesClass 3 · LimitedFinal reportAeronca 7DC · Ninilchik, AKA total loss of engine power due to a shift of a crankshaft main bearing, which resulted in a lack of lubrication and subsequent overheating and failure of the engine crankshaft.Jul 13, 2023 · N83391 · Substantial damageNTSB WPR23LA184Accident · No injuriesClass 3 · LimitedFinal reportRans S-21 · Creswell, ORA total loss of engine power caused by fatigue cracking and fracture of the crankshaft due to severe wear of the bearings.May 10, 2023 · N468MM · Substantial damageNTSB WPR23LA160Accident · No injuriesClass 3 · LimitedFinal reportRemos Remos GX · Glendale, AZA total loss of engine power caused by fatigue cracking and fracture of the crankshaft. Contributing to the accident was the operator’s failure to properly maintain the airplane.Apr 18, 2023 · N21GX · Substantial damageNTSB CEN23LA149Accident · No injuriesClass 3 · LimitedFinal reportCessna 182Q · Gardner, KSA total loss of engine power due to failure of the No. 6 connecting rod as a result of detonation.Apr 7, 2023 · N982NC · Substantial damageNTSB ERA23LA146Accident · No injuriesClass 4 · LimitedFinal reportHughes 269A · Titusville, FLThe pilot’s failure to maintain adequate main rotor RPM during an autorotation which resulted in a hard landing and subsequent rotor blade strike of the tail boom.Mar 9, 2023 · N8911F · Substantial damageNTSB WPR23LA094Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28R · Carlsbad, CAA failure of the No. 2 piston connecting rod bearing due to oil starvation for reasons that could not be determined, which resulted in a complete loss of engine power.Jan 19, 2023 · N57355 · Substantial damageNTSB ERA23LA112Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-31-350 · Middlefield, OHA runway overrun during a precautionary landing following a total loss of right engine power due to detonation and subsequent oil starvation. Contributing was the pilot’s failure to lower the flaps and the excessive airspeed at touchdown.Jan 18, 2023 · N101MA · Substantial damageNTSB WPR23FA073Accident · 1 fatalClass 3 · FieldFinal reportCessna 150A · Santa Monica, CAA failure of the No. 1 piston connecting rod bearing journal due to oil starvation for reasons that could not be determined, which resulted in a complete loss of engine power.Dec 22, 2022 · N7032X · Substantial damageNTSB CEN23LA062Accident · Serious injuriesClass 3 · LimitedFinal reportMooney M20K · Addison, TXThe fatigue failure of the engine’s camshaft gear teeth which resulted in a loss of all engine power. Contributing to the accident was the non-compliance with the engine manufacturer’s recommended service bulletin.Dec 13, 2022 · N231GZ · Substantial damageNTSB ERA23LA086Accident · No injuriesClass 3 · LimitedFinal reportBeech A36 · Covington, GAA total loss of engine power due to oil starvation as a result of engine operation with low oil pressure. Contributing to the accident was the failure of two separate maintenance facilities to comply with guidance from the engine manufacturer to disassemble…Dec 8, 2022 · N900AW · Substantial damageNTSB ERA23FA025Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-32-300 · Brentwood, TNA total loss of engine power due to the catastrophic failure of the crankshaft resulting from the improper installation of the crankshaft for this application.Oct 18, 2022 · N600JG · DestroyedNTSB ERA22LA411Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Clearfield, PAA sudden partial loss of engine power for undetermined reasons, which resulted in an off-airport landing.Sep 3, 2022 · N9619H · Substantial damageNTSB WPR22LA263Accident · Serious injuriesClass 3 · LimitedFinal reportZenith CH701 · Bothell, WAA loss of engine power due to the fatigue failure of the engine’s flywheel screws that were likely overloaded when the engine was involved in a previous accident.Jul 20, 2022 · N8787G · Substantial damageNTSB ERA22LA317Accident · No injuriesClass 3 · LimitedFinal reportCessna T210F · Monticello, NYMaintenance personnel’s improper torque of the engine through-bolts during maintenance, which resulted in a bearing shift, oil starvation, and a total loss of engine power.Jul 15, 2022 · N6195R · DestroyedNTSB CEN22LA227Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28RT-201T · Morgan, TXA partial loss of engine power due to a corrosion-related fatigue crack of the No. 3 cylinder barrel.May 29, 2022 · N2148J · Substantial damageNTSB ERA22LA172Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28 · Melbourne, FLA loss of engine power due to oil starvation as a result of the failure of the No. 3 crankshaft journal bearing.Mar 29, 2022 · N5067W · Substantial damageNTSB ERA22FA126Accident · 1 fatalClass 3 · FieldFinal reportBeech 58 · Lexington, NCInadequate maintenance, which led to a partial loss of both right and left engine power during takeoff, and the pilot’s subsequent failure to maintain airspeed while maneuvering with one engine at low altitude. Contributing to the accident was the pilot’s…Feb 16, 2022 · N58LF · DestroyedNTSB ERA22LA104Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-32-300 · Edisto Island, SCA loss of engine power due to the fatigue failure of the crankshaft counterweight retaining ring and the No. 6 connecting rod.Jan 11, 2022 · N475RT · Substantial damageNTSB ERA22LA097Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 207 · Marathon, FLA total loss of engine power due to the failure of the No. 2 bearing, which resulted in the No. 2 connecting rod failing due to fatigue, high heat, and stress.Dec 29, 2021 · N1596U · Minor damageNTSB ERA22LA045Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Decatur, GAOil exhaustion due to an oil leak that resulted in a total loss of engine power.Nov 4, 2021 · N172XX · Substantial damageNTSB ERA22LA011Accident · Minor injuriesClass 3 · LimitedFinal reportFlight Design Ctls · Greenville, SCA total loss of engine power resulting from the in-flight disconnection of oil hoses from the oil thermostat.Oct 10, 2021 · N121YT · Substantial damageNTSB WPR21FA340Accident · 1 fatalClass 3 · FieldFinal reportCessna 177RG · Lake Havasu City, AZA partial loss of engine power during the airplane's initial climb due to wear of internal engine components, which prevented the engine from developing full-rated power and resulted in a loss of altitude.Sep 12, 2021 · N2085Q · Substantial damageNTSB CEN21LA402Accident · No injuriesClass 3 · LimitedFinal reportMurphy Renegade II · Sheridan, ILA total loss of engine power during initial climb due to a piston seizure.Sep 5, 2021 · N490DJ · Substantial damageNTSB WPR21FA272Accident · 4 fatalClass 3 · FieldFinal reportMooney M20J · Dinsmore, CAThe airplane’s degraded engine performance due to wear to the intake cam lobes, which diminished the airplane’s takeoff and climb performance, resulting in a subsequent collision with trees.Jul 15, 2021 · N4474H · DestroyedNTSB CEN21FA304Accident · 1 fatalClass 3 · FieldFinal reportFocke-Wulf FWP-149D · Killeen, TXThe total loss of engine power due to a fatigue failure of a crankshaft counterweight mounting lobe, which resulted in a counterweight separation and catastrophic secondary damage to the engine drivetrain. Contributing to the accident was the mislabeled…Jul 4, 2021 · N9145 · DestroyedNTSB CEN21LA264Accident · No injuriesClass 3 · LimitedFinal reportBoeing B75N1 · Elwood, NEThe failure of the engine master rod, resulting in a total loss of engine power and a forced landing.Jun 13, 2021 · N777JG · Substantial damageNTSB ERA21LA222Accident · Serious injuriesClass 3 · LimitedFinal reportMooney M20K · Dawson, GAMaintenance personnel’s failure to properly secure the No. 4 connecting rod bolt nut with a cotter pin, resulting in a total loss of engine power.May 20, 2021 · N9514R · Substantial damageNTSB CEN21LA221Accident · No injuriesClass 3 · LimitedFinal reportBeech A36 · Pinckneyville, ILThe total loss of engine power due to oil starvation. The reason for the oil starvation could not be determined based on available evidence.May 14, 2021 · N1875W · Substantial damageNTSB ERA21LA188Accident · No injuriesClass 3 · LimitedFinal reportCessna A188 · Dover, NCA total loss of engine power due to a shift of a crankshaft main bearing, which resulted in a lack of lubrication and subsequent overheating and failure of the engine crankshaft. Contributing to the accident was the hard touchdown during the forced landing.Apr 15, 2021 · N731TB · Substantial damageNTSB ERA21LA109Accident · Serious injuriesClass 3 · LimitedFinal reportPlante Challenger II · Minneola, FLFailure of the engine/propeller drive belt.Jan 21, 2021 · N4469Z · Substantial damageNTSB CEN21LA073Accident · No injuriesClass 3 · LimitedFinal reportBellanca 17-30A · Arden Hills, MNIncorrect connecting rod installation, which resulted in the failure of the nos. 5 and 6 connecting rods and subsequent total loss of engine power.Dec 3, 2020 · N28067 · Substantial damage