NTSB investigations: Lycoming IO-540 series, 1981
10 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
| 1964 | 1 |
|---|---|
| 1965 | 2 |
| 1966 | 1 |
| 1967 | 4 |
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 3 |
| 1971 | 1 |
| 1972 | 3 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1976 | 4 |
| 1977 | 3 |
| 1978 | 6 |
| 1979 | 7 |
| 1980 | 18 |
| 1981 | 10 |
| 1982 | 16 |
| 1983 | 17 |
| 1984 | 30 |
| 1985 | 20 |
| 1986 | 17 |
| 1987 | 15 |
| 1988 | 12 |
| 1989 | 11 |
| 1990 | 14 |
| 1991 | 14 |
| 1992 | 19 |
| 1993 | 24 |
| 1994 | 13 |
| 1995 | 14 |
| 1996 | 16 |
| 1997 | 16 |
| 1998 | 16 |
| 1999 | 28 |
| 2000 | 27 |
| 2001 | 32 |
| 2002 | 37 |
| 2003 | 30 |
| 2004 | 35 |
| 2005 | 30 |
| 2006 | 31 |
| 2007 | 34 |
| 2008 | 29 |
| 2009 | 19 |
| 2010 | 29 |
| 2011 | 22 |
| 2012 | 26 |
| 2013 | 21 |
| 2014 | 28 |
| 2015 | 19 |
| 2016 | 18 |
| 2017 | 28 |
| 2018 | 27 |
| 2019 | 16 |
| 2020 | 15 |
| 2021 | 27 |
| 2022 | 23 |
| 2023 | 24 |
| 2024 | 14 |
| 2025 | 18 |
| 2026 | 16 |
Where
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\") = 1981
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.
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") = 1981
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" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB SEA81DYP40Accident · No injuriesClosedEagle DW-1 · Chelan, WANTSB ANC81FA105Accident · No injuriesClosedPiper PA-32 · Lk Clark Pass, AKNTSB LAX81FA121Accident · 6 fatalClosedPiper PA-32R · Grand Canyon, AZNTSB DEN81FTE47Accident · No injuriesClosedBellanca DW1 · Loveland, CONTSB MKC81DCD13Accident · No injuriesClosedPiper PA32RT · Waterloo, IANTSB CHI81FER26Accident · No injuriesClosedPiper PA-32 · Faribault, MNNTSB LAX81DUG13Accident · No injuriesClosedPiper PA-32 · Salton Sea, CANTSB MIA81DA044Accident · 2 fatalClosedPiper PA-32 · Aruba (Atlantic Ocean)NTSB DEN81FTE16Accident · Serious injuriesClosedBellanca 17-31 · Englwood, CONTSB NYC81IA019Incident · No injuriesClosedPiper PA-32 · Coatesville, PA