NTSB investigations: Lycoming VO-540 series, 2004
3 cases on aircraft whose registry engine model is Lycoming VO-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 | 4 |
|---|---|
| 1965 | 15 |
| 1966 | 16 |
| 1967 | 5 |
| 1968 | 15 |
| 1969 | 10 |
| 1970 | 8 |
| 1971 | 7 |
| 1972 | 6 |
| 1973 | 9 |
| 1974 | 11 |
| 1975 | 14 |
| 1976 | 13 |
| 1977 | 13 |
| 1978 | 22 |
| 1979 | 17 |
| 1980 | 8 |
| 1981 | 14 |
| 1982 | 9 |
| 1983 | 10 |
| 1984 | 9 |
| 1985 | 3 |
| 1986 | 9 |
| 1987 | 8 |
| 1988 | 6 |
| 1989 | 5 |
| 1990 | 6 |
| 1991 | 8 |
| 1992 | 6 |
| 1993 | 7 |
| 1994 | 4 |
| 1995 | 7 |
| 1996 | 7 |
| 1997 | 5 |
| 1998 | 6 |
| 1999 | 2 |
| 2000 | 3 |
| 2001 | 4 |
| 2002 | 6 |
| 2003 | 4 |
| 2004 | 3 |
| 2005 | 4 |
| 2008 | 6 |
| 2009 | 2 |
| 2010 | 6 |
| 2011 | 3 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 3 |
| 2017 | 1 |
| 2022 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Where
Open the mapLatest 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\") = 2004
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41534', '41582'))
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") = 2004
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41534', '41582'))
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 FTW04LA198Accident · Serious injuriesLimited investigationFinal reportBell 47-G2 · La Porte, TXThe loss of engine power for undetermined reasons.NTSB SEA04LA073Accident · Minor injuriesLimited investigationFinal reportHiller UH-12E · Haines, ORA momentary partial loss of power for undetermined reason(s) and the pilot's failure to maintain adequate RPM during his autorotation landing.NTSB LAX04LA176Accident · Serious injuriesLimited investigationFinal reportBell 47G-4A · Bakersfield, CAa loss of tail rotor drive due to a disconnection of the drive shaft's splined coupling at the tail rotor gear box. The splined coupling to tail rotor gear box disconnection occurred as a result of tail boom flexing due to the combined effects of an…