NTSB investigations: Hughes 269C, HI
6 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
| 1973 | 1 |
|---|---|
| 1977 | 1 |
| 1986 | 1 |
| 1989 | 1 |
| 1991 | 1 |
| 1994 | 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\" = 'HI' 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" = 'HI' 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 LAX94LA306Accident · No injuriesLimited investigationFinal reportHughes 269C · Puunene, Maui, HIthe improper overhaul of the red blade main rotor damper, and the inadequate maintenance condition of the other rotor dampers and the landing gear dampers, which led to an uncorrectable ground resonance vibration and a subsequent rollover.NTSB LAX91LA152Accident · No injuriesLimited investigationFinal reportHughes 269C · Honolulu, HIThe instructor's improperly planned approach. A factor was the pilot's failure to observe performance data for the helicopter.NTSB LAX89LA246Accident · Serious injuriesLimited investigationFinal reportHughes 269C · Kalapana, HIThe loss of engine power due to the failure of the engine exhaust valve in the no. 2 cylinder and the disregard of the Lycoming service bulletin by company maintenance personnel. Contributing to the accident was the high vegetation and trees located at the…NTSB LAX86LA188Accident · Minor injuriesLimited investigationFinal reportHughes 269 · Kahului, HIA Hughes 269 went out of control after turning left into a 20 kt tailwind condition. The plt indicated that the engine failed. The eng was run on a eng test stand and no deficientcies were found. A fuel sample was found to be within specified parameters. Ac…NTSB OAK77FJA07Accident · 2 fatalClosedHughes 269C · Honolulu, HINTSB OAK73FJA11Accident · Serious injuriesClosedHughes 269C · Honolulu, HI