NTSB investigations: Lycoming IO-540-AB1A5

5 cases on aircraft whose registry engine model is Lycoming IO-540-AB1A5, 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

20092026
NTSB investigations: Lycoming IO-540-AB1A5 per year, 2009–2026: 5 cases
20091
20132
20161
20201

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 ('41808')
      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 CEN20FA075Accident · 3 fatalClass 3 · FieldFinal reportCessna 182 · Chatham, LAThe pilot’s encounter with icing in-flight, which resulted in a loss of control and impact with terrain.Feb 6, 2020 · N60381 · DestroyedNTSB ERA16FA100Accident · 2 fatalField investigationFinal reportCessna 182 · Mobile, ALThe pilot's loss of airplane control during a missed approach in instrument meteorological conditions due to spatial disorientation. Contributing to the accident was the pilot's inadequate preflight and inflight weather planning which resulted the pilot's…Feb 2, 2016 · N784CP · DestroyedNTSB ERA14LA072Accident · No injuriesLimited investigationFinal reportCessna 182T · Burlington, NCA loss of airplane control during takeoff for reasons that could not be determined due to the postaccident condition of the elevator control system.Dec 17, 2013 · N963CP · Substantial damageNTSB CEN13FA269Accident · 2 fatalField investigationFinal reportCessna 182T · Fredericksburg, TXThe pilot’s failure to maintain airspeed while transitioning from instrument to visual flight while still in instrument conditions, which resulted in an inadvertent stall.May 9, 2013 · N6197H · DestroyedNTSB CEN09LA247Accident · Serious injuriesLimited investigationFinal reportCessna 182T · Stigler, OKThe loss of directional control during takeoff. Contributing to the accident was the pilot's decision to take off with 40-degrees of flaps and with a tailwind.Apr 9, 2009 · N1491D · Substantial damage