NTSB investigations: Allison 250 SER 250HP, FL
11 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
| 1980 | 1 |
|---|---|
| 1981 | 1 |
| 1987 | 2 |
| 1988 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 2006 | 1 |
| 2014 | 1 |
| 2020 | 1 |
| 2024 | 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 c.\"eventStateOrRegion\" = 'FL' AND c.\"eventCountry\" = 'USA'
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 c."eventStateOrRegion" = 'FL' AND c."eventCountry" = 'USA'
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 ERA25LA059Accident · No injuriesClass 4 · LimitedFinal reportBell 206B · Lakeland, FLThe pilot’s failure to maintain yaw control during a tailwind approach, which resulted in a loss of tail rotor effectiveness, an uncommanded spin, and subsequent hard landing.NTSB ERA21LA023Accident · No injuriesClass 3 · LimitedFinal reportBell 206 · Zephyrhills, FLImproper torquing of the “B” nut at the fuel control unit, which led to a total loss of engine power and subsequent autorotation that resulted in substantial damage.NTSB ERA15LA060Accident · No injuriesLimited investigationFinal reportBell 206B · West Palm Beach, FLA hard landing for reasons that could not be determined based on the available evidence.NTSB MIA06LA123Accident · Minor injuriesLimited investigationFinal reportBell 206B · Pompano Beach, FLThe pilot's improper landing flare during a precautionary landing. A factor in the accident was the unusual noise as a result of an improper repaired air conditioner compressor system.NTSB MIA98LA148Accident · No injuriesLimited investigationFinal reportBell 206L-1 · Orlando, FLfailure of the flight crew to maintain main rotor RPM during a landing touchdown, which resulted in the main rotor blades contacting the tailboom.NTSB MIA97FA070Accident · 4 fatalField investigationFinal reportBell 206-B3 · Fort Lauderdale, FLThe pilot's incapacitation by carbon monoxide from undetermined sources which led to his diminished ability to see and avoid a radio tower.NTSB MIA88FA257Accident · Serious injuriesField investigationFinal reportHughes 500 · Riviera Beach, FLThe traffic watch helicopter was cruising northbound along the interstate at 450 ft AGL & 85 KTS airspeed. A grinding noise was heard & the tail rotor separated from the acft. The acft began an uncommanded right turn which was arrested in about 1/4 turn. The…NTSB MIA87LA133Accident · Minor injuriesLimited investigationFinal reportBell 206L · Miami, FLUnlicensed pilot lost control of helicopter while in hover while attempting to steal the helicopter. The aircraft crashed to earth and rolled over. The pilot was on probation for attempting to steal a helicopter on a previous occasion. The plt received minor…NTSB MIA87LA106Accident · Minor injuriesLimited investigationFinal reportHughes 364HS · Opa Locka, FLThe pilot of the helicopter was executing a normal approach to the ground when as he neared the ground the ventral fin struck the ground. The tail rotor driveshaft re-centered and the pilot thought the accompanying shudder was a tail rotor failure, and landed…NTSB MIA82FLD09Accident · No injuriesClosedBell 206B · Orlando, FLNTSB MIA80FA039Accident · 2 fatalClosedBell 206B · Kissimmee, FL