NTSB investigations: Lycoming TVO-435-GIA, 1988
2 cases on aircraft whose registry engine model is Lycoming TVO-435-GIA. 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 | 6 |
|---|---|
| 1965 | 3 |
| 1966 | 12 |
| 1967 | 15 |
| 1968 | 14 |
| 1969 | 16 |
| 1970 | 12 |
| 1971 | 6 |
| 1972 | 12 |
| 1973 | 9 |
| 1974 | 12 |
| 1975 | 10 |
| 1976 | 9 |
| 1977 | 10 |
| 1978 | 9 |
| 1979 | 9 |
| 1980 | 11 |
| 1981 | 5 |
| 1982 | 4 |
| 1983 | 5 |
| 1984 | 4 |
| 1985 | 3 |
| 1986 | 8 |
| 1987 | 4 |
| 1988 | 2 |
| 1989 | 4 |
| 1990 | 5 |
| 1991 | 7 |
| 1992 | 3 |
| 1993 | 3 |
| 1994 | 2 |
| 1995 | 1 |
| 1996 | 3 |
| 1997 | 7 |
| 1998 | 4 |
| 1999 | 4 |
| 2000 | 3 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 3 |
| 2004 | 2 |
| 2005 | 3 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 5 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2020 | 1 |
| 2024 | 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\") = 1988
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41526'))
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") = 1988
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41526'))
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 DEN88LA135Accident · Serious injuriesLimited investigationFinal reportBell 47G · Terry, MTThe aircraft was on a ferry flight from alpine, WY. To belfield, ND. The plt departed alpine at approximately 0950 and made several enroute stops to refuel. The plt intended to land at miles city, MT to refuel but he got lost and flew to Terry, MT, located 38…NTSB DEN88FA106Accident · 1 fatalField investigationFinal reportBell 47G-3B1 · Cortez, COThe plt said that he had just taken off and reached an alt of about 300 ft when his collective control went 'limp'. The helicopter entered a descent, partially controlled by the plt using throttle and cyclic control inputs. The helicopter touched down in soft…