NTSB investigations, 1997
11 cases where the first occurrence was “Gear collapsed”.
Cases per year
| 1982 | 8 |
|---|---|
| 1983 | 12 |
| 1984 | 12 |
| 1985 | 17 |
| 1986 | 11 |
| 1987 | 7 |
| 1988 | 4 |
| 1989 | 11 |
| 1990 | 6 |
| 1991 | 9 |
| 1992 | 7 |
| 1993 | 4 |
| 1994 | 18 |
| 1995 | 11 |
| 1996 | 6 |
| 1997 | 11 |
| 1998 | 9 |
| 1999 | 21 |
| 2000 | 9 |
| 2001 | 14 |
| 2002 | 18 |
| 2003 | 11 |
| 2004 | 6 |
| 2005 | 12 |
| 2006 | 13 |
| 2007 | 18 |
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\" = 190)
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" = 190) 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 LAX98LA036Accident · No injuriesLimited investigationFinal reportCessna 172RG · San Diego, CAOverload of the main gear actuator piston and the subsequent collapse of the landing gear.NTSB CHI98LA001Accident · No injuriesLimited investigationFinal reportCessna T210N · Fargo, NDthe circuit breaker for the hydraulic pump popped during gear extension which resulting in the failure of the landing gear to lock in the extended position.NTSB FTW97LA370Accident · No injuriesLimited investigationFinal reportCessna 210L · Albuquerque, NMThe fracture of the right main hydraulic landing gear actuator housing assembly due to overload.NTSB FTW97LA342Accident · No injuriesLimited investigationFinal reportBeech V35 · Sulphur Springs, TXthe pilot's delayed extension of the landing gear.NTSB LAX97LA277Accident · No injuriesLimited investigationFinal reportCessna 310 · Mesa, AZinadequate maintenance inspection of the landing gear system, following a prior incident, due to the mechanic's failure to follow the service manual instructions.NTSB CHI97LA186Accident · Minor injuriesLimited investigationFinal reportHulliberger Starduster II · Berrien Springs, MIthe failure of the landing gear axle due to fatigue.NTSB FTW97LA216Accident · Minor injuriesLimited investigationFinal reportWsk Pzl Mielec M-18 · Swifton, ARMain landing gear collapse resulting from a failure of the torque link assembly attaching bolt. A factor was the lack of required maintenance (lubrication of the bolt) which resulted in the bolt becoming dry and corroded.NTSB NYC97LA112Accident · No injuriesLimited investigationFinal reportLuscombe LL-8-E · Charlottesville, VAThe left main landing gear collapsed due to corrosion.NTSB CHI97LA087Accident · No injuriesLimited investigationFinal reportCessna T210 · Janesville, WIthe pilot inadvertently retracting the landing gear during the takeoff roll.NTSB FTW97LA107Accident · No injuriesLimited investigationFinal reportPiper PA-32R-300 · Salida, COThe airplane's performance being exceeded due to the pilot's inadequate preflight planning. Factors were the uphill runway, high density altitude, and the pilot's lack of experience performing takeoffs from a high altitude airport.NTSB NYC97LA047Accident · No injuriesLimited investigationFinal reportCessna 650 · Wilkes-Barre, PAThe collapse of the left main landing gear as a result of the malfunction of the downlock actuator for undetermined reasons.