NTSB investigations: Lycoming IO-540 series, 1969

2 cases on aircraft whose registry engine model is Lycoming IO-540 series. 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

19642026
NTSB investigations: Lycoming IO-540 series, 1969 per year, 1964–2026: 1,056 cases
19641
19652
19661
19674
19681
19692
19703
19711
19723
19731
19741
19751
19764
19773
19786
19797
198018
198110
198216
198317
198430
198520
198617
198715
198812
198911
199014
199114
199219
199324
199413
199514
199616
199716
199816
199928
200027
200132
200237
200330
200435
200530
200631
200734
200829
200919
201029
201122
201226
201321
201428
201519
201618
201728
201827
201916
202015
202127
202223
202324
202414
202518
202616

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\") = 1969
    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'))
  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.