NTSB investigations: CFM International CFM56 series
26 cases on aircraft whose registry engine model is CFM International CFM56 series, where the defining event was Turbulence encounter. 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
| 2008 | 2 |
|---|---|
| 2009 | 1 |
| 2010 | 1 |
| 2012 | 4 |
| 2014 | 3 |
| 2015 | 3 |
| 2016 | 4 |
| 2018 | 1 |
| 2019 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 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 c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('13802')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '360'))
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('13802')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '360'))
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 DCA25LA240Accident · Serious injuriesClass 4 · LimitedFinal reportAirbus Industrie A321-211 · Miami, FLThe unexpected encounter with a rapidly developing convective cell during climb resulting in convectively induced turbulence on a dark moon-less evening.NTSB DCA25LA190Accident · Serious injuriesClass 4 · LimitedFinal reportBoeing 737-7H4 · Tahlequah, OKThe airplane’s encounter with moderate turbulence during descent.NTSB DCA24LA256Accident · Serious injuriesClass 4 · LimitedFinal reportBoeing 737 · Severn, MDA passenger’s failure to comply with crew member instructions to remain seated with seatbelt fastened.NTSB DCA24LA124Accident · Serious injuriesClass 4 · LimitedFinal reportBoeing 737 · Aylett, VAAn encounter with clear air turbulence during descent.NTSB DCA23LA170Accident · Serious injuriesClass 4 · LimitedFinal reportBoeing 737 · Rushville, INAn encounter with clear air turbulence during descent.NTSB DCA22LA188Accident · Serious injuriesClass 4 · LimitedFinal reportBoeing 737-824 · Pharisburg, OHThe airplane’s inadvertent encounter with convective turbulence.NTSB DCA19CA091Accident · Serious injuriesClass 4 · Data collectionFinal reportBoeing 737 · Franklin, TNan encounter with convective turbulence during descent.NTSB DCA18CA316Accident · Serious injuriesClass 4 · Data collectionFinal reportAirbus A319 · West Palm Beach, FLAn inadvertent encounter with convective turbulence.NTSB DCA17CA042Accident · Serious injuriesData collectionFinal reportBoeing 737 824 · Denver, COAn inadvertent encounter with mountain wave turbulence.NTSB DCA16CA214Accident · Serious injuriesData collectionFinal reportBoeing 737 924 · Waco, TXan encounter with convective turbulence.NTSB DCA16CA153Accident · Serious injuriesData collectionFinal reportAirbus Industrie A320 214 · Philadelphia, PAan inadvertent encounter with clear air turbulence that resulted in a serious injury to a flight attendant.NTSB DCA16CA077Accident · Serious injuriesData collectionFinal reportBoeing 737 7H4 · Titusville, FLan inadvertent encounter with clear air turbulence.NTSB DCA16CA026Accident · Serious injuriesData collectionFinal reportBoeing 737 7H4 · St Louis, MOan inadvertent encounter with clear air turbulence.NTSB DCA16CA023Accident · Serious injuriesData collectionFinal reportAirbus Industrie A319 112 · Philadelphia, PAan inadvertent encounter with clear air turbulence.NTSB OPS15IA020Incident · No injuriesIncident investigationFinal reportAirbus Industrie A320 211 · Max, NEThe flight crew's continued flight into a closing gap between areas of thunderstorm activity and their failure to maintain the required lateral separation from the thunderstorms, which resulted in the airplane's encounter with hail and subsequent airplane…NTSB DCA15CA050Accident · Serious injuriesData collectionFinal reportBoeing 737 7H4 · San Jose, CAan inadvertent encounter with convective turbulence during descent.NTSB DCA15CA035Accident · Serious injuriesData collectionFinal reportBoeing 737 824 · Valdosta, GAan inadvertent encounter with clear air turbulence while the flight attendants were returning to their seats.NTSB DCA14LA060Accident · Serious injuriesLimited investigationFinal reportBoeing 737 · Kaycee, WYan encounter with severe mountain wave turbulence during cruise flight.NTSB DCA12LA091Accident · Serious injuriesLimited investigationFinal reportBoeing 737-724 · Winnie, TXthe flight crew's penetration of a rapidly developing thunderstorm cell in an area of forecasted convective activity. The serious injuries were the result of a misunderstanding between the captain and cabin crew regarding the potential for turbulence.NTSB DCA12CA088Accident · Serious injuriesData collectionFinal reportAirbus Industrie A320-212 · Minneapolis, MNInadvertent encounter with convective turbulence while in descent.NTSB DCA12FA046Accident · Serious injuriesField investigationFinal reportAirbus A321 · Millville, NJan encounter with convective turbulence that resulted in injury to a passenger who was not seated when the seatbelt sign was illuminated.NTSB CEN12LA166Accident · Serious injuriesLimited investigationFinal reportBoeing 737-832 · Detroit, MIAn in-flight encounter with forecasted turbulence, which resulted in a serious injury to a flight attendant. Contributing to the accident was the flight attendant not being seated with her seatbelt fastened when the encounter occurred.NTSB ERA10CA174Accident · Serious injuriesData collectionFinal reportAirbus Industrie A319-100 · Titusville, FLAn inadvertent in-flight encounter with turbulence, resulting in an injury to a cabin attendant.NTSB CEN09LA256Accident · Serious injuriesLimited investigationFinal reportBoeing 737-724 · McAllen, TXThe injured passenger's failure to comply with the requirement to remain seated with a fastened seatbelt.NTSB NYC08CA156Accident · Serious injuriesData collectionFinal reportBoeing 737-823 · Miami, FLAn unexpected encounter with turbulence, during the initial descent for landing.NTSB LAX08IA065Incident · Minor injuriesIncident investigationFinal reportBoeing 737-300 · Las Vegas, NVAn inadvertent encounter with severe turbulence during descent and the failure of two passenger seat belt attach fittings. Contributing to the incident was the failure of the operator to comply with the SAIB.