NTSB investigations: Allison 250 SER 250HP, 2016
4 cases on aircraft whose registry engine model is Allison 250 SER 250HP. 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
| 1967 | 1 |
|---|---|
| 1968 | 3 |
| 1969 | 4 |
| 1970 | 9 |
| 1971 | 3 |
| 1972 | 9 |
| 1973 | 6 |
| 1974 | 2 |
| 1975 | 4 |
| 1976 | 1 |
| 1977 | 5 |
| 1978 | 2 |
| 1979 | 5 |
| 1980 | 8 |
| 1981 | 13 |
| 1982 | 9 |
| 1983 | 9 |
| 1984 | 10 |
| 1985 | 4 |
| 1986 | 5 |
| 1987 | 8 |
| 1988 | 6 |
| 1989 | 5 |
| 1990 | 10 |
| 1991 | 1 |
| 1993 | 6 |
| 1994 | 6 |
| 1995 | 1 |
| 1996 | 5 |
| 1997 | 3 |
| 1998 | 6 |
| 1999 | 8 |
| 2000 | 4 |
| 2001 | 3 |
| 2002 | 6 |
| 2003 | 6 |
| 2004 | 5 |
| 2005 | 4 |
| 2006 | 6 |
| 2007 | 3 |
| 2008 | 5 |
| 2009 | 1 |
| 2010 | 3 |
| 2011 | 3 |
| 2012 | 5 |
| 2013 | 4 |
| 2014 | 3 |
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 2 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 2 |
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\") = 2016
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03002', '03003'))
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") = 2016
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03002', '03003'))
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 WPR17FA021Accident · 2 fatalField investigationFinal reportHughes 369 · Pukoo, HIThe pilot's decision to continue visual flight into an area of instrument meteorological conditions at night in rain, which resulted in his geographic disorientation and controlled flight into terrain.NTSB WPR17LA019Accident · Serious injuriesLimited investigationFinal reportBell 206B · Yuma, AZThe pilot’s inability to maintain helicopter control after its skid got caught on the landing pad while he was maneuvering the helicopter to land on it, which resulted in a dynamic roll-over.NTSB WPR16LA125Accident · No injuriesLimited investigationFinal reportBell 206 · Bishop, CAThe pilot’s improper preflight weather planning, fuel planning, and fuel management, which resulted in fuel starvation and a loss of engine power. Contributing to the severity of the accident was the pilot's initiation of the landing flare at a high altitude,…NTSB CEN16FA171Accident · 1 fatalField investigationFinal reportMcdonnell Douglas Helicopter 369E · Reedsville, WIThe failure of the power turbine governor's dual-spool bearing due to a lack of lubrication, which resulted in a complete loss of engine power and subsequent impact with terrain.