NTSB investigations: Lycoming IO-540 series, CT
10 cases on aircraft whose registry engine model is Lycoming IO-540 series. 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
| 1984 | 1 |
|---|---|
| 1985 | 1 |
| 1991 | 1 |
| 1996 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2004 | 1 |
| 2010 | 1 |
| 2025 | 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\" = 'CT' 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 ('41530', '41585'))
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" = 'CT' 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 ('41530', '41585'))
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 ERA25LA215Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA32-300 · Branford, CTMaintenance personnel's improper installation and inspection of the crankshaft gear bolt during major overhaul, which resulted in the crankshaft gear disengaging from the accessory gears which led to a total loss of engine power.NTSB ERA10LA113Accident · 1 fatalLimited investigationFinal reportFoster John Glasair III · Oxford, CTThe pilot's failure to maintain a proper approach path during visual conditions at dusk, which resulted in an in-flight collision with power lines.NTSB NYC04LA106Accident · No injuriesLimited investigationFinal reportCessna 182S · Plainville, CTThe failure of the elevator servo which resulted in restricted elevator movement and the pilot's inability to initiate a landing flare.NTSB IAD02LA069Accident · No injuriesLimited investigationFinal reportCessna 182T · Plainville, CTThe pilot's improper recovery from a bounced landing.NTSB IAD01FA070Accident · 1 fatalField investigationFinal reportPiper PA-32R-301 · Greenwich, CTThe pilot's failure to maintain control of the airplane while maneuvering in instrument meteorological conditions, due to spatial disorientation. Factors in the accident were the fog, and the pilot's use of a sedating medication.NTSB NYC00LA111Accident · No injuriesLimited investigationFinal reportPiper PA-32R-301 · East Haddam, CTThe private pilots failure to obtain the proper touchdown point and the CFI's delay in remedial action.NTSB NYC96LA064Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Stratford, CTinadequate visual lookout by the pilot and the vehicle operator, resulting in their failure to see and avoid each other.NTSB NYC91FA145Accident · 1 fatalField investigationFinal reportPiper PA-32RT-300 · Wallingford, CTThe pilot attempting a VFR flight in adverse weather conditions, at an altitude that was insufficient to clear trees along his route of flight. Factors related to the accident were the pilot's lack of instrument rating, and his overconfidence to fly in…NTSB NYC85LA128Accident · No injuriesLimited investigationFinal reportPiper PA-32R-301 · Ellington, CTThe acft colldied with a stump during a landing attempt at Ellington arpt. The acft had touched dwn about 25 ft short of the rwy. The left aileron was damaged but the acft made a go-around & returned to westover air base & landed. According to the plt,…NTSB NYC85LA021Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Oxford, CTAfter entering the traffic pattern for the selected runway, plt was informed of surface wind conditions and elected to continue and execute a downwind landing. Upon touchdown, plt raised flaps to assist braking action. During roll-out the plt decided…