NTSB investigations, 2004
4 cases where the first occurrence was “Rotor failure/malfunction”.
Cases per year
| 1994 | 1 |
|---|---|
| 1995 | 4 |
| 1996 | 3 |
| 1997 | 2 |
| 1998 | 8 |
| 1999 | 2 |
| 2000 | 3 |
| 2001 | 7 |
| 2002 | 4 |
| 2003 | 5 |
| 2004 | 4 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 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 year(c.\"eventDate\") = 2004
AND c.\"mKey\" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 132)
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") = 2004 AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 132) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run 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 SEA05FA019Accident · 2 fatalField investigationFinal reportRobinson R22 Beta · Arlington, WAThe divergence of the main rotor from its normal plane of rotation for an undetermined reason, resulting in rotor contact with the aircraft's left windscreen. The failure of the door pins to be installed was a factor.NTSB FTW04IA217Incident · No injuriesIncident investigationFinal reportBell 412 · South Pass 65The failure and separation of the tail rotor gearbox for undetermined reasons.NTSB IAD04LA013Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Media, PAA lack of previous lubrication to the tail rotor drive shaft forward fitting teeth, which resulted in their gradual wear, the eventual slippage of the shaft, and the subsequent loss of tailrotor thrust and forced landing.NTSB SEA04LA043Accident · Serious injuriesLimited investigationFinal reportGarlick UH-1H · Liberty, WAThe failure of the tail rotor slider lugs due to fatigue while the helicopter was maneuvering.