NTSB investigations: Allison 250 SER 250HP, 1982
9 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\") = 1982
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") = 1982
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 FTW83FA066Accident · 3 fatalField investigationFinal reportBell 206B · San Antonio, TXThe acft departed brackettville at 0715 & at 0740 contacted uvalde UNICOM for their wx. When informed that uvalde was "zero-zero" the flt continued east. The acft was later observed & heard flying above the low indefinite ceiling shortly before impacting the…NTSB DEN83LA022Accident · No injuriesLimited investigationFinal reportBell 206B · Near Kalispell, MTAcft departed hospital at missoula in good wx to assist highway accident victim 5 mi east of clinton. Victim was placed aboard helicopter on stretcher for emergency flight to hospital. About 5-6 mi east of missoula plt noticed light snow falling & observed a…NTSB FTW82FRJ17Accident · Serious injuriesFinal reportBell 206B · Jamestown, LAThe pilot was conducting aerial burning operations over a wooded area when he heard a loud bang from the engine area of the helicopter. At that time, the helicopter was approximately 20 ft above the tallest tree in the area with the aerial torch burning. The…NTSB SEA82DA137Accident · No injuriesFinal reportHughes 369D · Shelton, WADuring a sight seeing flight the pilot smelled a burning odor and prepared to make a precautionary off-airport landing. Shortly thereafter, engine RPM decayed and an autorotative landing was effected on a dirt road. On touchdown, the main rotor blades flexed…NTSB ATL82DLQ08Accident · Serious injuriesFinal reportBell 206B · 2nm Sw Of Lynch, KYThe pilot was on a flight to spray powerline right-of-ways with defoliant. During climb, near a 3500 foot ridgeline, the aircraft began to spin to the right. The pilot took corrective action but was not able to stop the spin. The pilot did not have sufficient…NTSB FTW82FA204Accident · 2 fatalField investigationFinal reportBell 206B · Fairfield, TXWitnesses observed the helicopter flying northbound while traveling parallel and just east of a north-south highway. Reportedly, it enter an autorotative landing approach, crossed over the highway and impacted in an open field on a westerly heading after…NTSB SEA82FYM16Accident · Minor injuriesFinal reportHughes 369D · Birkenfeld, ORThe pilot stated that the fuel gauge indicated 150 lbs of fuel remaining when he began the flight. Since the drop point was within 2 to 3 minutes of the departure point, he elected to proceed without refueling. While hovering and being guided into the drop…NTSB SEA82FA070Accident · Minor injuriesField investigationFinal reportHughes 369D · 6nm Sse Wrangel, AKThe pilot reported that the aircraft was on a reconnaissance flight to survey a proposed powerline project. He reported that during the flight, the engine flamed out and an autorotation was initiated. He maneuvered the helicopter to land in a clearance, but…NTSB ATL82DA027Accident · No injuriesFinal reportBell 206L-1 · Chamblee, GAWhile returning to refuel from an air ambulance flight the helicopter yawed left and N2 dropped to about 92% approximately one mile from the airport. At 30-50 feet with airspeed at about 20 knots the aircraft yawed violently to the left with corresponding…