NTSB investigations: Lycoming 0-540 series, FL

4 cases on aircraft whose registry engine model is Lycoming 0-540 series, where the first occurrence was “Airframe/component/system failure/malfunction”. 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

19842026
NTSB investigations: Lycoming 0-540 series, FL per year, 1984–2026: 4 cases
19841
19881
19931
19981

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.\"eventStateOrRegion\" = 'FL' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41532')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 130))
  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 ATL98IA039Incident · No injuriesIncident investigationFinal reportRobinson R-44 · Miami, FLAn inadequate service bulletin which did not require measurement of the cyclic trim assembly shaft and did not identify all helicopters in which shaft wear could lead to restricted movement of the lateral cyclic trim.Jan 23, 1998 · N972SA · No damageNTSB MIA93IA083Incident · No injuriesIncident investigationFinal reportAero Commander 500 · Everglades City, FLThe preexisting fatigue cracking of the propeller hub arm in the bearing retention radius due to polishing and wear of the radius from contact with the split rings, resulting in a propeller blade separating from the propeller hub on the takeoff ground run,…Mar 7, 1993 · N3836C · Minor damageNTSB MIA89LA045Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Crestview, FLWhile in cruise flt near an arpt, the prop separated. Plt was given vectors to arpt & entered pattern for lndg. Downwind leg was extended due to strong tailwind. Strong headwind on final caused acft to land short. During landing roll acft collided with two…Nov 28, 1988 · N8226P · Substantial damageNTSB MIA84LA144Accident · No injuriesLimited investigationFinal reportCessna TR182 · Daytona Beach, FLThe plt was unable to lower the landing gear and made a wheels-up landing. An exam revealed that a rod end, pn S02321-3, on the nose gear door had failed. The failure was in tension bending with no signs of preexisting fatigue or corrosion.Apr 21, 1984 · N738JA · Substantial damage