NTSB investigations: Lycoming TIO-540-AE2A

7 cases on aircraft whose registry engine model is Lycoming TIO-540-AE2A, where the defining event was Loss of control in flight. 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

20202026
NTSB investigations: Lycoming TIO-540-AE2A per year, 2020–2026: 7 cases
20202
20231
20242
20251
20261

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 ('41999', '40999')
      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\" = '240'))
  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 CEN27FA016Accident · 5 fatalClass 3 · FieldInvestigation openPiper PA 46-350P · Reedsburg, WIOct 14, 2026 · N931TTNTSB ERA25LA172Accident · Serious injuriesClass 4 · LimitedFinal reportPiper PA46R-350T · Folkston, GAThe pilot’s failure to maintain control of the airplane during a go-around.Apr 10, 2025 · N179ST · Substantial damageNTSB CEN24FA160Accident · 1 fatalClass 3 · FieldFinal reportPiper PA 46-350P · Hartsburg, MOThe pilot’s encounter with convective weather conditions, which resulted in a loss of airplane control, the exceedance of the airplane’s never exceed speed, and the resulting overload failure of the horizontal stabilizer and subsequent failure of the…Apr 16, 2024 · N451MA · DestroyedNTSB GAA24WA072Accident · 4 fatalClass 5 · ForeignPiper PA 46-350P · Ramos Arizpe, Coahuila,, MexicoJan 5, 2024 · N6074A · DestroyedNTSB CEN23FA084Accident · 4 fatalClass 3 · FieldFinal reportPiper PA46 · Yoakum, TXThe pilot’s spatial disorientation during a missed approach in instrument meteorological conditions, which led to an exceedance of the airplane’s critical angle of attack and a subsequent aerodynamic stall.Jan 17, 2023 · N963MA · Substantial damageNTSB CEN20LA430Accident · No injuriesClass 4 · LimitedFinal reportPiper PA46R-350T · Rogers, ARThe pilot’s inadvertent loss of aircraft control, resulting in substantial damage to the airframe during the spin recovery.Sep 25, 2020 · N920X · Substantial damageNTSB CEN20CA396Accident · Minor injuriesClass 4 · Data collectionFinal reportPiper PA46 · Jacksonville, TXThe student pilot’s failure to maintain control of the airplane during the landing approach and the exceedance of the airplane’s critical angle of attack at low altitude resulting in an aerodynamic stall. Contributing was the instructor pilot’s failure to…Sep 16, 2020 · N972DD · Substantial damage