NTSB investigations: Lycoming 0-320 series

136 cases on aircraft whose registry engine model is Lycoming 0-320 series, where the defining event was Loss of engine power (partial). Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

20082026
NTSB investigations: Lycoming 0-320 series per year, 2008–2026: 136 cases
200810
20099
20107
201110
201214
20134
20149
201510
20167
20173
20186
20197
20206
20215
20227
20232
20243
20257
202610

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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41508')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '342'))
  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 CEN27LA029Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-28 · Claremore, OKOn October 22, 2026, about 1510 central daylight time, a Piper PA-28-160 airplane, N5393W, was substantially damaged when it was involved in an accident near Claremore, Oklahoma. The flight instructor and student pilot were not injured. The airplane was…Oct 22, 2026 · N5393W · Substantial damageNTSB CEN26LA322Accident · Minor injuriesClass 3 · LimitedPreliminary reportCessna 172M · Hanover, INOn September 16, 2026, about 1905 eastern daylight time, a Cessna 172M airplane, N9909Q, was substantially damaged when it was involved in an accident near Hanover, Indiana. The pilot and passenger sustained minor injuries. The airplane was operated as a…Sep 16, 2026 · N9909Q · Substantial damageNTSB ERA26LA342Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 172N · Panama City, FLOn September 7, 2026, about 1059 central daylight time, a Cessna 172N airplane, N734NM, was substantially damaged when it was involved in an accident near Panama City, Florida. The student pilot and flight instructor were not injured. The airplane was…Sep 7, 2026 · N734NM · Substantial damageNTSB ERA26LA319Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA22 · Pace, FLOn August 29, 2026, about 1030 central daylight time, a Piper PA-22-150, N5731D, was substantially damaged when it was involved in an accident near Pace, Florida. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal Regulations…Aug 29, 2026 · N5731D · Substantial damageNTSB ERA26LA221Accident · Serious injuriesClass 3 · LimitedPreliminary reportCessna 172P · Pembroke Pines, FLOn May 29, 2026, at 1138 eastern daylight time, a Cessna 172P, N96100, was substantially damaged when it was involved in an accident near Pembroke Pines, Florida. The flight instructor sustained serious injuries. The student pilot sustained minor injuries.…May 29, 2026 · N96100 · Substantial damageNTSB WPR26LA190Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-28-140 · Chandler, AZOn May 14, 2026, at 2043 mountain standard time, a Piper PA-28, N8714N, was substantially damaged when it was involved in an accident near Chandler, Arizona. The pilot sustained minor injuries. The airplane was operated as a Title 14 Code of Federal…May 15, 2026 · N8714N · Substantial damageNTSB WPR26LA132Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-28-140 · West Valley City, UTOn March 21, 2026, about 1610 mountain daylight time, a Piper PA-28-140, N7328J, was substantially damaged when it was involved in an accident near West Valley City, Utah. The pilot and passenger were not injured. The airplane was operated as a Title 14 Code…Mar 21, 2026 · N7328J · Substantial damageNTSB CEN26LA143Accident · Serious injuriesClass 3 · LimitedPreliminary reportCessna 172P · Denton, TXOn March 20, 2026, about 1415 central daylight time, a Cessna 172P airplane, N65614, was substantially damaged when it was involved in an accident near Denton, Texas. The pilot sustained minor injuries, and the pilot-rated sensor operator sustained serious…Mar 20, 2026 · N65614 · Substantial damageNTSB ERA26LA144Accident · Serious injuriesClass 3 · LimitedPreliminary reportPiper PA-28-140 · Indian Trail, NCOn March 8, 2026, about 1100 eastern daylight time, a Piper PA-28-140, N98360, was substantially damaged when it was involved in an accident near Indian Trail, North Carolina. The pilot and passenger were seriously injured. The airplane was operated as a…Mar 8, 2026 · N98360 · Substantial damageNTSB WPR26FA119Accident · Serious injuriesClass 3 · FieldPreliminary reportPiper PA-28-140 · Phoenix, AZOn March 4, 2026, about 0721 mountain standard time, a Piper PA-28-140, N7744T, was substantially damaged when it was involved in an accident near Phoenix, Arizona. The flight instructor was seriously injured, and the student pilot and one person on the…Mar 4, 2026 · N7744T · Substantial damageNTSB ERA26LA046Accident · Minor injuriesClass 3 · LimitedPreliminary reportCessna 172 · Palm Bay, FLOn November 17, 2025, about 1900 eastern standard time, a Cessna 172N, N6124D, was substantially damaged when it was involved in an accident near Palm Bay, Florida. The private pilot sustained minor injuries. The airplane was operated as a Title 14 Code of…Nov 18, 2025 · N6124D · Substantial damageNTSB ERA26LA007Accident · Minor injuriesClass 3 · LimitedPreliminary reportCessna 172 · Miami, FLOn October 07, 2025, at 1440 eastern daylight time, a Cessna 172M, N433PT, was substantially damaged when it was involved in an accident near Miami, Florida. The private pilot and the flight instructor were uninjured. The airplane was operated as a Title 14…Oct 7, 2025 · N433PT · Substantial damageNTSB CEN26LA006Accident · Serious injuriesClass 3 · LimitedPreliminary reportPiper PA-28-140 · McGregor, MNOn October 5, 2025, about 1310 central daylight time, a Piper PA-28-140, N4218T was substantially damaged when it was involved in an accident near McGregor, Minnesota. The pilot and two passengers were seriously injured. The airplane was operated under the…Oct 5, 2025 · N4218T · Substantial damageNTSB ERA25LA302Accident · Serious injuriesClass 3 · LimitedPreliminary reportCessna 172 · Titusville, FLOn August 15, 2025, about 1415 eastern daylight time, a Cessna 172, N7205Q, was substantially damaged when it was involved in an accident near Titusville, Florida. The pilot was seriously injured and the flight instructor received minor injuries. The airplane…Aug 15, 2025 · N7205Q · Substantial damageNTSB CEN25LA168Accident · No injuriesClass 3 · LimitedFinal reportCessna 172N · Longmont, COThe disconnected throttle control that resulted in a loss of engine power due to improper maintenance.May 4, 2025 · N75775 · Substantial damageNTSB CEN25LA111Accident · Minor injuriesClass 3 · LimitedPreliminary reportPiper PA-28-140 · Pearland, TXOn March 6, 2025, about 1145 central standard time, a Piper PA-28-140 airplane, N54479, was substantially damaged when it was involved in an accident near Pearland, Texas. One pilot sustained minor injuries, and the other pilot was not injured. The airplane…Mar 6, 2025 · N54479 · Substantial damageNTSB CEN25LA096Accident · Minor injuriesClass 3 · LimitedPreliminary reportGrumman American Avn. AA-5A · Gladewater, TXOn February 17, 2025, about 2215 central standard time, a Grumman AA-5A airplane, N26071, was substantially damaged when it was involved in an accident near Gladewater, Texas. The pilot sustained minor injuries. The airplane was operated as a Title 14 Code of…Feb 18, 2025 · N26071 · Substantial damageNTSB ERA24LA271Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Hernando, FLThe improper installation of a cylinder rocker stud by maintenance personnel, which resulted in a partial loss of engine power and subsequent forced landing.Jun 21, 2024 · N734XT · Substantial damageNTSB CEN24LA200Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA28 · Taylor, TXA partial loss of engine power due to an incorrect carburetor air inlet hose, which led to a reduction in air flow to the engine.May 27, 2024 · N56466 · Substantial damageNTSB WPR24LA117Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Acton, CAThe pilots inability to fully turn off the carburetor heat which resulted in a reduction of engine power and reduced climb performance. Contributing to the accident was the pilots delayed recovery from the simulated emergency landing.Mar 23, 2024 · N1695H · 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 ERA23FA103Accident · 2 fatalClass 3 · FieldFinal reportPiper PA28 · Suffolk, VAThe pilot’s decision to fly the airplane without confirming it had been released from maintenance, which resulted in a partial loss of engine power due to loose magnetos. Contributing to the outcome was the pilot’s failure to maintain adequate airspeed and…Jan 7, 2023 · N592FL · DestroyedNTSB CEN22FA436Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-28-140 · Allentown, PAA partial loss of engine power for undetermined reasons.Sep 28, 2022 · N7329F · DestroyedNTSB WPR22LA351Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172L · Ventura, CAA partial loss of engine power due to the fatigue fracture of the No. 4 exhaust valve.Sep 16, 2022 · N7917G · Substantial damageNTSB 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 ERA22LA369Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 172 · Jamestown, NYA partial loss of engine power for reasons that could not be definitively determined.Aug 12, 2022 · N4751F · Substantial damageNTSB WPR22LA301Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Laurel, MTThe loss of climb performance due to undetermined reasons.Aug 11, 2022 · N5780F · Substantial damageNTSB CEN22LA230Accident · No injuriesClass 3 · LimitedFinal reportCessna 172P · Ennis, TXA partial loss of engine power for reasons that were undetermined.Jun 2, 2022 · N65497 · 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 ANC22LA008Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18 · Palmer, AKThe pilot’s failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice, which resulted in a partial loss of engine power, off-airport landing, and nose over.Nov 26, 2021 · N1380A · Substantial damageNTSB CEN21LA293Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Porter, TXThe 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.Jun 25, 2021 · N4216J · Substantial damageNTSB ERA21LA213Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA-28-161 · Okeechobee, FLA total loss of engine power for reasons that could not be determined based on available information.Apr 29, 2021 · N271SG · Substantial damageNTSB CEN21LA175Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Augusta, KSInadequate maintenance at the time the carburetor was replaced, which resulted in the improperly installed throttle cable and a partial loss of engine power. Contributing to the accident was an inadequate annual inspection that failed to detect the improper…Apr 1, 2021 · N7274F · Substantial damageNTSB WPR21LA151Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Yacolt, WAA partial loss of power caused by carbon build up in the cylinders, which prevented the exhaust valves from seating properly. Contributing to the accident was flying in moderate icing conditions which resulted in reduced aircraft performance and vibrations.Mar 29, 2021 · N665FL · Substantial damageNTSB WPR21LA069Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · San Diego, CAA partial loss of engine power due to the fatigue fracture of the No. 3 exhaust valve rocker arm stud.Dec 13, 2020 · N5098E · Substantial damageNTSB WPR21LA052Accident · Minor injuriesClass 3 · LimitedFinal reportBellanca 7GCBC · Fallbrook, CAA partial loss of engine power for reasons that could not be determined with the available evidence.Nov 11, 2020 · N57517 · Substantial damageNTSB CEN20LA343Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA18 · Brandon, MNThe partial loss of engine power during takeoff due to carburetor icing.Aug 15, 2020 · N2510H · DestroyedNTSB WPR20LA212Accident · 2 fatalClass 3 · LimitedFinal reportCessna 172 · Lake Tahoe, CAThe partial loss of engine power due to carbon buildup in the No. 4 cylinder resulting from the pilot’s inadequate mixture-leaning procedures.Jul 7, 2020 · N6328D · DestroyedNTSB WPR20LA136Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Fresno, CAThe partial loss of engine power for reasons that could not be determined based on available evidence.May 2, 2020 · N734NW · Substantial damageNTSB ANC20CA030Accident · No injuriesData collectionFinal reportPiper PA18 · Big Lake, AKThe pilot's failure to use carburetor heat in conditions conducive to carburetor icing, which resulted in a partial loss of engine power, a precautionary landing, and impact with snow.Feb 29, 2020 · N7384D · Substantial damageNTSB ERA19LA274Accident · Minor injuriesClass 3 · LimitedFinal reportSocata TB9 · Fort Meade, MDThe failure of the carburetor intake scat tubing, which resulted in a partial loss of engine power.Sep 17, 2019 · N2824R · Substantial damageNTSB CEN19LA299Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA28 · Conroe, TXA partial loss of engine power for reasons that could not be determined based on the available evidence.Aug 31, 2019 · N55633 · Substantial damageNTSB CEN19LA265Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Fairhope, ALFailure of the No. 3 exhaust valve and the subsequent loss of engine power due to engine operation with an excessively lean fuel mixture over a period of time.Jul 30, 2019 · N6754J · Substantial damageNTSB WPR19LA176Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Fullerton, CAPartial loss of engine power during takeoff due to an age-degraded carburetor heat valve seal, which detached and partially blocked the carburetor air inlet. Contributing to the accident was an inadequate maintenance inspection.Jun 21, 2019 · N64460 · Substantial damageNTSB WPR19LA102Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Placerville, CAThe partial loss of engine power due to an improperly maintained carburetor.Mar 31, 2019 · N7033Q · Substantial damageNTSB ANC19LA011Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-22-150 · Anchorage, AKA loss of engine power due to oil starvation as the result of a loose B-nut fitting on the engine oil cooler, resulting in a forced landing to a soft, snow-covered surface, and a subsequent nose over.Jan 22, 2019 · N7640D · Substantial damageNTSB WPR19LA065Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Salt Lake City, UTA partial loss of engine power due to the mechanic’s failure to properly secure the throttle lever locking nut and cotter pin.Jan 15, 2019 · N1697J · Substantial damageNTSB ERA19LA027Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Parker, COA partial loss of engine power during initial climb due to carburetor icing, and the pilot's failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice.Oct 26, 2018 · N5575U · Substantial damageNTSB ANC18LA080Accident · No injuriesLimited investigationFinal reportPiper PA18 · Delta Junction, AKThe total loss of engine power due to carburetor icing, which resulted from the pilot's failure to use carburetor heat while operating at low power settings in conditions conducive to the formation of carburetor ice.Sep 30, 2018 · N5907Y · Substantial damageNTSB CEN18LA299Accident · Serious injuriesLimited investigationFinal reportPiper PA28 · Columbia, ILThe airplane's inability to climb due to reduced engine power as a result of insufficient compression in all cylinders and fouled spark plugs in the No. 2 cylinder while operating near its maximum gross weight.Jul 28, 2018 · N624FL · Substantial damage