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NTSB investigations, 2011

30 cases where the sequence of events included Landing gear not configured.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

20082026

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Latest cases

Query with SQL

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") = 2011 AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '095' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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\") = 2011
    AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '095' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\"))
  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") = 2011
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '095' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
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 ANC12CA012Accident · No injuriesData collectionFinal reportPiper PA-31-350 · Kaltag, AKThe pilot landed without lowering the landing gear. Contributing to the accident was the pilot's self-reported fatigue.Dec 8, 2011 · N300ED · Substantial damage NTSB ERA12LA070Accident · No injuriesLimited investigationFinal reportCessna 172RG · Kissimmee, FLA fatigue failure of the right main landing gear pivot assembly, which prevented the landing gear from extending.Nov 8, 2011 · N5095V · Substantial damage NTSB CEN12CA036Accident · No injuriesData collectionFinal reportCessna 210J · West Chicago, ILThe pilot's failure to extend the landing gear before touchdown due to his failure to use a checklist.Oct 23, 2011 · N3309S · Substantial damage NTSB WPR12CA016Accident · No injuriesData collectionFinal reportBeech D17S · Phoenix, AZThe pilot's failure to extend the landing gear.Oct 18, 2011 · N44562 · Substantial damage NTSB CEN11LA632Accident · Minor injuriesLimited investigationFinal reportPiper/Cub Crafters PA-18-150 · Long Lake, WIThe pilot's failure to complete the prelanding checklist, which resulted in the landing gear wheels not being retracted for the water landing.Sep 8, 2011 · N902CC · Substantial damage NTSB CEN11IA615Incident · No injuriesIncident investigationFinal reportBombardier CL-600-2B19 · Baton Rouge, LAThe improperly installed upper attachment bolt in the left main landing gear uplock assembly, which led to the failure of the left main landing gear to extend before landing. Contributing to the accident was maintenance personnel's lack of training on the…Sep 1, 2011 · N875AS · Minor damage NTSB CEN11CA640Accident · No injuriesData collectionFinal reportCessna T210M · Cahokia, ILA failure of a spring in the main landing gear actuation system that prevented the landing gear from extending.Aug 25, 2011 · N44HR · Substantial damage NTSB CEN11CA561Accident · No injuriesData collectionFinal reportCessna TR182 · Bloomington, INThe pilot's failure to extend the landing gear prior to landing.Aug 9, 2011 · N9281R · Substantial damage NTSB ERA11LA461Accident · No injuriesLimited investigationFinal reportPiper PA-46-310P · Elizabethtown, NCThe improper securing of a “B” nut on the power turbine control (Py) line by unknown maintenance personnel, which resulted in a total loss of engine power. Contributing to the accident was the pilot's failure to use the manual fuel override switch.Aug 6, 2011 · N469CC · Substantial damage NTSB CEN11CA518Accident · No injuriesData collectionFinal reportCessna 180D · Oscoda, MIThe pilot's failure to retract the landing gear before a water landing. Contributing to the accident was the pilot's failure to use a checklist.Jul 24, 2011 · N6425X · Substantial damage NTSB ERA11CA382Accident · No injuriesData collectionFinal reportBeech A36 · Wauchula, FLThe pilot's failure to extend the landing gear during the approach.Jul 5, 2011 · N8036V · Substantial damage NTSB CEN11CA461Accident · No injuriesData collectionFinal reportPiper PA-24-180 · Amarillo, TXThe pilot's failure to lower the landing gear prior to landing.Jul 4, 2011 · N5621P · Substantial damage NTSB CEN11LA418Accident · No injuriesLimited investigationFinal reportPiper PA-28R-201 · Rantoul, ILThe pilot did not use the emergency landing gear extension system, which resulted in a wheels-up landing. Contributing to the accident was the inoperative landing gear power pack motor.Jun 25, 2011 · N4106Q · Substantial damage NTSB WPR11LA292Accident · No injuriesLimited investigationFinal reportCessna 320F · Phoenix, AZThe mechanic's failure to properly secure the nose landing gear actuator push-pull tube to the landing gear door hinge clevis, which resulted in the gear jamming and not fully retracting after takeoff.Jun 21, 2011 · N6160Q · Substantial damage NTSB ANC11CA044Accident · No injuriesData collectionFinal reportDouglas DC-6B · Cold Bay, AKThe flight crew's failure to extend the landing gear, which resulted in an inadvertent wheels up landing. Contributing to the accident was the flight crew's diverted attention.Jun 12, 2011 · N600UA · Substantial damage NTSB CEN11IA379Incident · No injuriesIncident investigationFinal reportBombardier CL-600-2B19 · Milwaukee, WIThe failure of the right main landing gear (MLG) to extend normally, which resulted from the combination of a slightly worn uplock pin, the operation of the hydraulic pumps below their specified operating pressures, and contamination within the landing gear…Jun 7, 2011 · N866AS · Minor damage NTSB ANC11LA041Accident · No injuriesLimited investigationFinal reportEclipse EA500 · Nome, AKThe pilot landed without lowering the landing gear. Contributing to the accident was the pilot's decision to fly the airplane with an inoperative wing flap system.Jun 2, 2011 · N168TT · Substantial damage NTSB CEN11LA327Accident · No injuriesLimited investigationFinal reportPiper PA 46-350P · Chico, TXThe mechanic's improper installation of the turbocharger's exhaust balance system, which resulted in an in-flight fire.May 8, 2011 · N80JB · Substantial damage NTSB ERA11CA238Accident · No injuriesData collectionFinal reportMooney M20K · Augusta, GAThe pilot's failure to extend the landing gear prior to landing. Contributing to the accident was the pilot’s reported fatigue.Apr 11, 2011 · N777CV · Substantial damage NTSB CEN11CA277Accident · No injuriesData collectionFinal reportPiper PA-24-260 · Kansas City, MOThe pilot's failure to extend the landing gear for a landing.Mar 29, 2011 · N8546P · Substantial damage NTSB WPR11FA159Accident · No injuriesField investigationFinal reportFairchild SA227-AC · Seattle, WAThe pilot's failure to extend the landing gear, which resulted in a gear-up landing.Mar 11, 2011 · N671AV · Substantial damage NTSB CEN11CA216Accident · No injuriesData collectionFinal reportCessna A185F · Belle Chase, LAThe pilot's failure to ensure that the landing gear was retracted for the water landing.Mar 7, 2011 · N434JG · Substantial damage NTSB WPR11LA154Accident · No injuriesLimited investigationFinal reportCessna 210 · Pahrump, NVThe pilot's failure to extend the landing gear prior to touchdown and his improper decision to abort a gear-up landing following a propeller strike.Mar 6, 2011 · N9400T · Substantial damage NTSB CEN11CA212Accident · No injuriesData collectionFinal reportBeech G35 · Brenham, TXThe pilot’s failure to extend the landing gear during the approach resulting in a gear-up landing.Feb 27, 2011 · N437D · Substantial damage NTSB WPR11CA142Accident · No injuriesData collectionFinal reportPiper PA-31P-350 · North Bend, ORThe pilot's failure to lower the landing gear while on approach to landing. Contributing to the accident was the pilot's failure to follow a written checklist during the approach portion of the flight.Feb 22, 2011 · N9237Y · Substantial damage NTSB CEN11CA185Accident · No injuriesData collectionFinal reportPiper PA-28RT-201 · Danville, INThe pilot's failure to extend the landing gear prior to touchdown.Feb 14, 2011 · N2878N · Substantial damage NTSB WPR11CA130Accident · Minor injuriesData collectionFinal reportAllardyce Michael Glastar · Wilsonville, ORThe pilot's failure to raise the landing gear wheels prior to landing in water, resulting in a nose over.Feb 9, 2011 · N238MA · Substantial damage NTSB CEN11IA179Incident · No injuriesIncident investigationFinal reportCessna 210N · Columbia, MOThe pilot did not extend the landing gear before touchdown due to his distraction during the landing approach and his not using a landing checklist.Feb 8, 2011 · N92MP · Minor damage NTSB CEN11CA155Accident · No injuriesData collectionFinal reportCessna R182 · Houston, TXThe failure of the landing gear to fully extend and lock in the down position due to the inoperative electric pump motor.Jan 19, 2011 · N6187S · Substantial damage NTSB WPR11CA141Accident · No injuriesData collectionFinal reportPiper PA-24-250 · Aurora, ORThe pilot's failure to lower the landing gear prior to landing.Jan 18, 2011 · N3TP · Substantial damage