NTSB investigations, 1991
13 cases where the first occurrence was “Main gear collapsed”.
Cases per year
| 1982 | 48 |
|---|---|
| 1983 | 27 |
| 1984 | 33 |
| 1985 | 23 |
| 1986 | 24 |
| 1987 | 20 |
| 1988 | 20 |
| 1989 | 33 |
| 1990 | 14 |
| 1991 | 13 |
| 1992 | 21 |
| 1993 | 21 |
| 1994 | 9 |
| 1995 | 10 |
| 1996 | 9 |
| 1997 | 17 |
| 1998 | 9 |
| 1999 | 10 |
| 2000 | 6 |
| 2001 | 6 |
| 2002 | 9 |
| 2003 | 5 |
| 2004 | 3 |
| 2005 | 4 |
| 2006 | 7 |
| 2007 | 5 |
Where
Latest 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\") = 1991
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\" = 191)
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") = 1991 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" = 191) 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 FTW92LA051Accident · No injuriesLimited investigationFinal reportCessna 180K · Orange, TXThe ruptured left main gear tire for undetermined reasons.NTSB BFO92LA012Accident · No injuriesLimited investigationFinal reportJohn W Upton SA-300 · Leon, WVThe defective welding between the axle and the wheel assembly causing the right main gear to collapse.NTSB FTW92LA027Accident · No injuriesLimited investigationFinal reportCessna R182 · Santa Fe, NMThe right main gear collapsed for undetermined reasons, which resulted in the pilot's loss of directional control during the landing roll.NTSB LAX92LA009Accident · No injuriesLimited investigationFinal reportCessna 210 · Riverside, CAThe failure of a hydraulic gear return line, which caused the aircraft's main landing gear to collapse during landing touchdown.NTSB NYC91LA248Accident · No injuriesLimited investigationFinal reportFairchild SW3 · Atlantic City, NJA failure of the down lock roller bearings of the right main landing gear, as the result of an improper modification.NTSB SEA91LA248Accident · No injuriesLimited investigationFinal reportPiper PA-28R-200 · Lewiston, IDThe pilot's failure to maintain directional control.NTSB MIA91LA218Accident · No injuriesLimited investigationFinal reportCessna A188B · Yazoo City, MSSeparation of the right main landing gear during take off due to failure of the bolts which secure the gear to the airframe. Contributing to the accident was the failure of the pilot to abort the takeoff.NTSB CHI91LA227Accident · No injuriesLimited investigationFinal reportAero Commander 500B · Hutchinson, KSThe landing gear handle was placed in the gear up postion prematurely resulting in a gear retraction during takeoff. Factors related to the accident were proper procedures were not followed by the pilot.NTSB FTW91DPG17Accident · No injuriesFinal reportGrumman G-164 · Goodwin, ARThe failure of the right main landing gear.NTSB CHI91LA157Accident · No injuriesLimited investigationFinal reportPiper PA-34-220T · Eau Claire, WIThe inadequate finishing procedures used by the manufacturer and the failure to comply with the manufacturer's bulletin.NTSB ANC91LA056Accident · No injuriesLimited investigationFinal reportCessna C-170B · Manley Hot Sprg, AKThe pilot's selecting unsuitable terrain for landing. Contributing to the accident was the rough landing area.NTSB CHI91LA133Accident · No injuriesLimited investigationFinal reportCessna TR182 · Jackson, MIFailure to the pilot to assure gear extension. Factors related to the accident were the electrical failure due to a seized alternator and diverted attention by the pilot.NTSB CHI91LA076Accident · No injuriesLimited investigationFinal reportCessna 320 · Middleton, WIThe main landing gear collapsed during landing rollout due to extreme cold temperatures. A factor related to the accident was a snowbank adjacent to the runway.