NTSB investigations: Lycoming VO-540 series, 2008
6 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\") = 2008
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") = 2008
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 WPR09LA028Accident · Minor injuriesLimited investigationFinal reportHiller UH-12E · Powder River, WYA flight control system malfunction while the helicopter was maneuvering at low altitude due to the failure/separation of the rotor blade control tube.NTSB WPR09CA008Accident · No injuriesData collectionFinal reportBell 47J-2A · Florence, AZThe pilot’s inadequate compensation for a wind shift encountered during the landing approach, which resulted in a hard landing and rollover. Contributing to the accident was the encounter with the wind shift.NTSB CHI08CA252Accident · No injuriesData collectionFinal reportHiller UH-12E · Cokato, MNThe pilot did not visually identify and maintain clearance with the power lines, and the pilot's inability to maintain control of the helicopter once it contacted the power lines. Factors associated with the accident were the low altitude operations being…NTSB CHI08LA211Accident · 1 fatalLimited investigationFinal reportBell 47G-4A · Mayville, WIThe pilot's failure to maintain clearance with the rotating rotor blades after he exited the helicopter after landing.NTSB DFW08LA100Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Quinton, OKAn undetermined mechanical malfuction associated with the tail rotor drive system which led to a loss of control.NTSB DEN08LA071Accident · Minor injuriesLimited investigationFinal reportHiller UH-12E · La Porte, TXThe loss of tail rotor effectiveness. Contributing factors were the sudden windshift to a tailwind, and the pilot initiating a hovering turn in ground effect.