NTSB investigations, 1999
10 cases where the first occurrence was “Propeller failure/malfunction”.
Cases per year
| 1994 | 6 |
|---|---|
| 1995 | 10 |
| 1996 | 7 |
| 1997 | 7 |
| 1998 | 5 |
| 1999 | 10 |
| 2000 | 9 |
| 2001 | 5 |
| 2002 | 2 |
| 2003 | 9 |
| 2004 | 1 |
| 2005 | 3 |
| 2006 | 3 |
| 2007 | 4 |
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\") = 1999
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\" = 131)
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") = 1999 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" = 131) 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 NYC00LA061Accident · Minor injuriesLimited investigationFinal reportZielke RV-4 · Florence, NJFailure of one of the propeller blades. A factor was the necessity land across, rather than in alignment with, the furrowed terrain due to the nature of the emergency.NTSB FTW00LA042Accident · No injuriesLimited investigationFinal reportKing Lancair 235/320 · Sterling City, TXThe fatigue fracture of the propeller attaching bolts, due to improper torque during the installation of the propeller by other maintenance personnel. A factor was the lack of suitable terrain for the forced landing.NTSB LAX00LA023Accident · 1 fatalLimited investigationFinal reportLuhnau BD-5B · Boulder City, NVThe pilot's failure to secure an electrical wire terminal in the propeller pitch control circuit following a maintenance adjustment, which resulted in the propeller malfunctioning and going to a flat pitch. The flat pitch of the propeller produced a high drag…NTSB FTW99LA271Accident · No injuriesLimited investigationFinal reportStinson L-5 · Woodward, OKThe in-flight separation of the tip of a wood propeller blade. Contributing factors were the soft terrain and ditch encountered during the precautionary landing.NTSB SEA99LA174Accident · No injuriesLimited investigationFinal reportPiper PA-28-180 · Vaughn, WAThe separation of a propeller blade tip due to fatigue, and the improper maintenance procedure.NTSB NYC99LA202Accident · Serious injuriesLimited investigationFinal reportMooney M20E · Prattsburg, NYPropeller blade separation, resulting from fatigue cracking initiated by intergranular corrosion. A factor was the lack of propeller blade corrosion inspection requirements.NTSB NYC99LA184Accident · No injuriesLimited investigationFinal reportTroy Pietenpol · Collins, OHIn-flight separation of the propeller.NTSB MIA99LA173Accident · Minor injuriesLimited investigationFinal reportCessna 182R · Sevierville, TNA loss of propeller governor control due to oil contamination.NTSB FTW99FA148Accident · 1 fatalField investigationFinal reportBeech C18S · Waldron, ARthe separation of a propeller blade in cruise flight as a result of fatigue cracking emanating from surface corrosion pitting.NTSB FTW99FA132Accident · No injuriesField investigationFinal reportGrumman American AA-5B · Claremore, OKThe fatigue fracture of the propeller bolts resulting from the improper installation of the propeller assembly.