Fatal NTSB investigations: Lycoming 0-320 series

12 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
Fatal NTSB investigations: Lycoming 0-320 series per year, 2008–2026: 12 cases
20082
20101
20142
20152
20161
20181
20201
20221
20231

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.\"highestInjuryLevel\" = 'Fatal'
    AND 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 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 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 ERA18FA084Accident · 1 fatalField investigationFinal reportPiper PA28 · Bonifay, FLA partial loss of engine power due to a stuck exhaust valve. Contributing to the accident was the pilot's decision to operate an airplane with a known mechanical deficiency and his failure to fly an appropriate traffic pattern that would have allowed the…Feb 21, 2018 · N3568K · DestroyedNTSB ERA17FA072Accident · 1 fatalField investigationFinal reportPiper PA28 · Middlebury, VTThe pilot's improper decision to return to the airport following a partial or complete loss of engine power during takeoff initial climb and his failure to maintain sufficient airspeed while maneuvering, which resulted in exceedance of the critical angle of…Dec 23, 2016 · N31202 · Substantial damageNTSB WPR15FA256Accident · 2 fatalField investigationFinal reportPiper PA28 · Santee, CAThe pilots' failure to maintain airplane control following a partial loss of engine power after takeoff, which resulted in an aerodynamic stall. Contributing to the accident was the partial loss of engine power due to a failure of the right magneto.Sep 3, 2015 · N8441B · Substantial damageNTSB ERA15FA171Accident · 2 fatalField investigationFinal reportPiper PA28 · West Chester, PAThe 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…Mar 29, 2015 · N6842W · DestroyedNTSB CEN15FA088Accident · 1 fatalField investigationFinal reportPiper PA 23-160 · Port Clinton, OHThe pilot's loss of control following a loss of left engine power for reasons that could not be determined because an examination of the airframe and engine did not reveal any preimpact abnormalities.Dec 29, 2014 · N222CP · DestroyedNTSB CEN14FA435Accident · 1 fatalField investigationFinal reportCessna 172N · Natchitoches, LAThe partial loss of engine power due to the exhaust valve rocker retaining stud backing out of the cylinder head, which resulted in the exhaust valve being stuck in the closed position. Contributing to the accident was the pilot’s failure to configure the…Aug 17, 2014 · N734YW · Substantial damageNTSB CEN10LA429Accident · 1 fatalLimited investigationFinal reportWarth Dennis J Classic Sport S-18 · Tea, SDA loss of engine power for undetermined reasons and the pilot's loss of airplane control, which led to an aerodynamic stall.Jul 24, 2010 · N216TB · Substantial damageNTSB SEA08LA179Accident · 1 fatalLimited investigationFinal reportCessna 177 · St. Johns, AZThe failure of both pilots to abort the takeoff when a suitable climb rate could not be attained. Contributing to the accident was the reduction of available power due to the camshaft lobe and lifter corrosion/wear, the high density altitude, and the CFI’s…Aug 16, 2008 · N3487T · Substantial damageNTSB CHI08FA135Accident · 2 fatalField investigationFinal reportPiper PA-28-140 · Stevens Point, WIThe partial loss of engine power for undetermined reasons.May 12, 2008 · N1813T · Substantial damage