NTSB investigations: Hughes 269C, IL
14 cases on aircraft the registry lists as Hughes 269C. 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
| 1976 | 1 |
|---|---|
| 1978 | 3 |
| 1985 | 2 |
| 1987 | 1 |
| 1988 | 2 |
| 1989 | 3 |
| 1992 | 1 |
| 2010 | 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\" = 'IL' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470504'))
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" = 'IL' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470504'))
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 CEN10LA560Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Schaumburg, ILThe in-flight separation of the left aft cluster fitting assembly following the loss of torque on the lock nut due to a manufacturing defect.NTSB CHI92LA222Accident · No injuriesLimited investigationFinal reportHughes 269C · Aurora, ILFatigue fracture of the engine crankshaft resulting in loss of power. Factors were the pilot's excessive descent and his lack of total experience.NTSB CHI89FA112Accident · Minor injuriesField investigationFinal reportHughes 269C · Lockport, ILImproper flight technique by the PIC during a takeoff from a confined area.NTSB CHI89DEV06Accident · No injuriesFinal reportHughes 269C · Millersville, ILLoss of rotor RPM for an undetermined reason during a turn to reverse direction while applying agricultural chemicals.NTSB CHI89FA062Accident · Serious injuriesField investigationFinal reportHughes 269C · De Kalb, ILFatigue failure of the number four connecting rod which resulted in an engine failure. Factors in the accident were the broken ring in the number one piston and a deteriorated center main bearing.NTSB CHI89LA029Accident · Minor injuriesLimited investigationFinal reportMcdonnell Douglas 269C · Frankfort, ILThe helicopter experienced a tree strike with the main rotor blades and then rolled over when it struck the ground during a precautionary landing attempt. The helicopter had been conducting contract power line patrol when the PIC noted an apparent partial…NTSB CHI88DEE07Accident · No injuriesFinal reportHughes 269C · Sandwich, ILThe plt rprtd that while he was conducting spraying opns, he noted a significant loss of eng power. He made a run-on landing in a bean field. As he landed, the left skid dug into a furrow & the helicopter rolled over. During the investigation, which included…NTSB CHI87LA150Accident · No injuriesLimited investigationFinal reportHughes 300C · Aurora, ILWhile the student & instructor (CFI) were on an instructional flt, a decision was made to practice an autorotation & simulated tail rotor failure. Rprtdly, a smooth touchdown was made, but the helicopter began to vibrate. The CFI electedto get the helicopter…NTSB CHI85FA210Accident · Minor injuriesField investigationFinal reportHughes 300 · Joliet, ILThe helicopter experienced extreme vertical vibrations while landing from a hover. Inadvertent ground contact during uncontrolled oscillations resulted in destruction of the helicopter.NTSB CHI85LA197Accident · No injuriesLimited investigationFinal reportHughes 269 · Stonington, ILAfter completing a swath run, the plt maneuvered the helicopter up over a power line, then made a turn-around for another swath run. He stated that as he started the next run, he 'felt the wind push the tail upward forcing the nose downward...' He applied aft…NTSB CHI79FEE06Accident · No injuriesClosedHughes 269C · West Chicago, ILNTSB CHI78DEV35Accident · No injuriesClosedHughes 269C · Maroa, ILNTSB CHI78DEE33Accident · No injuriesClosedHughes 269C · Mendota, ILNTSB CHI76FEV50Accident · No injuriesClosedHughes 269C · Maroa, IL