NTSB investigations: Lycoming IO-540 series, 2001

5 cases on aircraft whose registry engine model is Lycoming IO-540 series, where the first occurrence was “In flight encounter with weather”. 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

19822026
NTSB investigations: Lycoming IO-540 series, 2001 per year, 1982–2026: 62 cases
19822
19832
19853
19862
19871
19882
19891
19912
19931
19942
19954
19964
19971
19983
19995
20001
20015
20026
20046
20052
20064
20073

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 year(c.\"eventDate\") = 2001
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41530', '41585')
      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\" = 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 LAX02FA031Accident · 5 fatalField investigationFinal reportAero Commander 500S · Eagleville, CAthe pilot's encounter with forecast mountain wave conditions, moderate or greater turbulence, and icing, with downdrafts that likely exceeded the climb capability of the airplane, which was encountered at an altitude that precluded recovery. Also causal in…Nov 21, 2001 · N900RA · DestroyedNTSB LAX02FA019Accident · 1 fatalField investigationFinal reportCessna 182S · Little River, CAthe pilot's continued VFR flight into instrument meteorological conditions, which resulted in a collision with trees and terrain.Nov 1, 2001 · N7270E · DestroyedNTSB ATL01FA105Accident · 2 fatalField investigationFinal reportPiper PA-32R-301 · Byhalia, MSThe pilot's improper evaluation of weather conditions which lead to an inflight encounter with turbulent weather resulting in an in flight break up of the airframe, and subsequent uncontrolled descent into terrain. A factor was the pilot's drug impairment.Sep 8, 2001 · N8398Z · DestroyedNTSB ANC01FA106Accident · 1 fatalField investigationFinal reportMaule M-6-235 · Kotzebue, AKThe pilot's failure to maintain adequate clearance from an obstruction (antenna tower), and his continued flight into instrument meteorological conditions. Factors associated with the accident were low ceilings, and low visibility.Aug 13, 2001 · N56467 · DestroyedNTSB ANC01FA093Accident · 6 fatalField investigationFinal reportPiper PA-32-300 · Haines, AKThe pilot's continued flight into known adverse weather conditions, and his poor in-flight decision making. Factors associated with the accident were clouds and mountainous terrain. A finding is the pilot's use of FAA prohibited drugs.Jul 30, 2001 · N39586 · Destroyed