NTSB investigations, 1997
7 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\") = 1997
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") = 1997 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 LAX98LA033Accident · Serious injuriesLimited investigationFinal reportWaco YMF-5 · Sedona, AZThe failure and separation of the propeller for undetermined reasons.NTSB LAX97FA291Accident · 1 fatalField investigationFinal reportHefner Pitts S1S · Van Nuys, CAthe operation of the propeller beyond the design rpm limitations and the resultant gyroscopic loads from aerobatics. Contributing to the accident was the lack of a required instrument panel rpm restriction for the propeller mandated by an airworthiness…NTSB LAX97LA245Accident · Minor injuriesLimited investigationFinal reportClassic Waco YMF-5 · Pahoa, HILoss of the propeller retaining nut and associated hardware for undetermined reasons. A factor in the accident was the lack of suitable terrain for a forced landing.NTSB FTW97LA225Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502A · Chesterville, TXan undetermined malfunction/failure of the propeller reversing system.NTSB ANC97LA046Accident · No injuriesLimited investigationFinal reportBeech G18S · Nome, AKfracture of a propeller blade tip.NTSB ANC97FA024Accident · 1 fatalField investigationFinal reportde Havilland DHC-4A · Sparrevohn, AKloss of the right engine propeller control oil, which led to an overspeed of the right engine and propeller, and necessitated a shut-down of the right engine; and failure of the pilot to maintain adequate altitude/distance from terrain during visual approach…NTSB LAX97LA084Accident · No injuriesLimited investigationFinal reportBeech N35 · Holbrook, AZfatigue failure of the propeller hub, which resulted in separation of the propeller assembly and reduction of aircraft control. Also causal was: the resultant lack of compliance with Airworthiness Directive (AD) 89-26-08, due to ambiguous and unclear wording…