NTSB investigations: Hughes TH-55, 1994
2 cases on aircraft the registry lists as Hughes TH-55. 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
| 1990 | 2 |
|---|---|
| 1991 | 2 |
| 1994 | 2 |
| 1997 | 2 |
| 1998 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2005 | 2 |
| 2007 | 1 |
| 2008 | 1 |
| 2012 | 1 |
| 2015 | 1 |
| 2019 | 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 year(c.\"eventDate\") = 1994
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4471002'))
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 year(c."eventDate") = 1994
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4471002'))
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 FTW94LA253Accident · No injuriesLimited investigationFinal reportHughes 269A · Leander, LAInadequate maintenance and a fatigue failure of a #1 cylinder connecting rod bolt. A factor was the lack of suitable terrain available to the pilot for a forced landing.NTSB CHI94LA131Accident · No injuriesLimited investigationFinal reportCessna 172 · Edina, MOthe pilot in commands' failure to obtain obstruction clearance from trees during a visual takeoff from a short, soft, wet field in instrument meteorological conditions. A factor was the pilot in commands' misjudgment of the takeoff climb performance of the…