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NTSB investigations, 2011

32 cases where the sequence of events included Aircraft maintenance event.

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" = '040' 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\" = '040' 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" = '040' 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 ERA12LA117Accident · No injuriesLimited investigationFinal reportPiper PA-44-180 · Lawrenceville, GAThe mechanic's improper installation and lubrication of the bushing on the right main landing gear truss assembly, which resulted in the landing gear not locking in the down position.Dec 19, 2011 · N790GK · Substantial damage NTSB DCA12MA020Accident · 5 fatalClass 1 · MajorFinal reportEurocopter France AS350B2 · Las Vegas, NVSundance Helicopters’ inadequate maintenance of the helicopter, including (1) the improper reuse of a degraded self-locking nut, (2) the improper or lack of installation of a split pin, and (3) inadequate postmaintenance inspections, which resulted in the…Dec 8, 2011 · N37SH · Destroyed NTSB CEN12LA071Accident · Serious injuriesLimited investigationFinal reportJuve Richard G Zodiac CH601 HDS · Clinton, ARThe inadvertent opening of the canopy during takeoff due to the improperly repaired forward canopy latch mechanism, which did not fully secure the canopy.Nov 17, 2011 · N274 · Substantial damage NTSB CEN12CA035Accident · Minor injuriesData collectionFinal reportHouts Avid Mark IV · Hibbing, MNThe improper installation of a hose clamp, which resulted in an oil line rupture and subsequent loss of engine oil pressure.Oct 21, 2011 · N43280 · Substantial damage NTSB CEN12CA029Accident · Minor injuriesData collectionFinal reportHunt Sparrowhawk · Blair, NEThe pilot/builder’s inadequate installation of a nosewheel steering component, which resulted in a shimmy and a loss of directional control during the takeoff roll.Oct 15, 2011 · N29HT · Substantial damage NTSB ERA12FA017Accident · 1 fatalField investigationFinal reportLuscombe 8A · Dixie, GAMaintenance personnel’s improper installation of the No. 2 cylinder’s connecting rod, which resulted in the disconnection of the rod and a subsequent loss of engine power.Oct 8, 2011 · N41907 · Substantial damage NTSB ERA11LA507Accident · No injuriesLimited investigationFinal reportMitsubishi MU-2B-25 · Atlanta, GAThe improper installation of the nose landing gear strut and subsequent collapse of the nose landing gear during landing.Sep 28, 2011 · N344KL · Substantial damage NTSB CEN11LA669Accident · Serious injuriesLimited investigationFinal reportOwen Vans RV-10 · Marietta, OHThe in-flight engine fire and loss of engine power due to an improperly installed fuel injector nozzle during a recent engine overhaul.Sep 27, 2011 · N499RV · Destroyed NTSB WPR11MA454Accident · 11 fatalClass 1 · MajorFinal reportNorth American/Aero Classics P-51D · Reno, NVThe reduced stiffness of the elevator trim tab system that allowed aerodynamic flutter to occur at racing speeds. The reduced stiffness was a result of deteriorated locknut inserts that allowed the trim tab attachment screws to become loose and to initiate…Sep 16, 2011 · N79111 · Substantial damage NTSB WPR11LA412Accident · No injuriesLimited investigationFinal reportWheeler Vans RV-6A · Albany, ORThe in-flight separation of a propeller blade due to fatigue.Aug 28, 2011 · N642DW · Substantial damage NTSB CEN11LA558Accident · No injuriesLimited investigationFinal reportPiper Aerostar 601P · Alpine, TXThe pilot’s improper flare which resulted in a hard landing. Contributing to the accident was the pilot’s improper decision to fly the airplane with a known mechanical deficiency.Aug 22, 2011 · N8076J · Substantial damage NTSB ERA11FA458Accident · 1 fatalField investigationFinal reportCessna 310Q · Tupelo, MSThe pilot’s delayed reaction in performing the engine failure procedures and his failure to maintain adequate airspeed, which resulted in a loss of airplane control. Contributing to the accident was maintenance personnel’s improper torquing of the B-nut…Aug 17, 2011 · N444YM · 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 WPR11LA352Accident · No injuriesLimited investigationFinal reportEurocopter AS 350 B3 · Troutdale, ORThe in-flight separation of the tail rotor drive shaft cover as a result of maintenance personnel not ensuring that it was secured after a maintenance inspection; also causal was the pilot’s inadequate preflight inspection of the helicopter.Jul 27, 2011 · N808LF · Substantial damage NTSB ERA11LA416Accident · Serious injuriesLimited investigationFinal reportChampion 7ECA · Hinesville, GAThe total loss of engine power due to the improper installation of the carburetor air filter by maintenance personnel, which resulted in the filter becoming dislodged and obstructing the carburetor. Contributing to the accident was the pilot did not maintain…Jul 23, 2011 · N5191X · Substantial damage NTSB ERA11FA406Accident · 1 fatalField investigationFinal reportMooney M20K · Augusta, GAThe pilot’s decision to fly the airplane after maintenance personnel advised him that the airplane should not be flown because the pilot provided an incorrect propeller for installation and the subsequent failure of the propeller attachment bolts and the…Jul 18, 2011 · N777CV · Substantial damage NTSB CEN11LA490Accident · No injuriesLimited investigationFinal reportDarrow Stephen AL-6 · Peyton, COThe loss of engine power during the descent for reasons that could not be determined because a thorough examination of the engine could not be completed due to the remote accident site.Jul 13, 2011 · N61262 · Substantial damage NTSB CEN11LA460Accident · No injuriesLimited investigationFinal reportAyres S2R600 · Pine Bluff, ARThe use of an incorrect mounting bolt by maintenance persons to attach the engine torque sensor, which resulted in an internal failure of the torque sensor and subsequent loss of engine power due to fuel starvation.Jul 6, 2011 · N3101S · Substantial damage NTSB ERA11CA375Accident · No injuriesData collectionFinal reportTemco GC-1B · Sparta, TNThe improper installation of the right rudder control cable by maintenance personnel, which resulted in the pilot's inability to maintain directional control during takeoff.Jul 2, 2011 · N106S · 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 ERA11CA355Accident · No injuriesData collectionFinal reportDotson William P Sngl Seat Hawk Arrow · Carthage, NCA partial loss of engine power due to the pilot’s improper installation of the engine’s No. 1 cylinder spark plugs.Jun 20, 2011 · N4209F · Substantial damage NTSB CEN11IA369Incident · No injuriesIncident investigationFinal reportEmbraer EMB-145 · Chicago, ILThe overheat and failure the brake during landing due to oxidation of the brake rotors, which went undetected by maintenance personnel. Contributing to the accident was maintenance personnel’s lack of familiarity with detailed brake oxidation inspection…Jun 3, 2011 · N607AE · No 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 ERA11LA239Accident · No injuriesLimited investigationFinal reportBeech BE99 · Cedartown, GAThe failure of the left main landing gear bearings and supports due to inadequate lubrication by unknown maintenance personnel.Apr 10, 2011 · N899AE · Substantial damage NTSB WPR11CA157Accident · No injuriesData collectionFinal reportAeronca 7EC · Big Bear City, CAThe pilot's improper maintenance, which resulted in a wheel separating from the airplane during takeoff, and the airplane's subsequent nose over during the landing rollout.Mar 11, 2011 · N2349E · Substantial damage NTSB ERA11LA179Accident · No injuriesLimited investigationFinal reportBeech C23 · Carrollton, GAThe mechanic's failure to re-connect a fuel line following an annual inspection. Contributing to the accident was the pilot's improper decision to depart with a known mechanical deficiency.Mar 4, 2011 · N6015F · Substantial damage NTSB CEN11LA182Accident · No injuriesLimited investigationFinal reportCessna 150L · Trenton, MIThe loss of preload torque on a connecting rod nut and bolt, which precipitated a separation of the connecting rod from the engine's crankshaft and resulted in the total loss of engine power.Feb 12, 2011 · N6622G · Substantial damage NTSB WPR11LA113Accident · Serious injuriesLimited investigationFinal reportPiper PA-30 · Big Bear City, CAThe pilot’s failure to maintain the minimum single-engine control speed while on final approach for landing. Contributing to the accident was the pilot's decision to fly with a known deficiency in one engine and a loss of power in that engine for reasons that…Jan 30, 2011 · N64RJ · Substantial damage NTSB WPR11CA112Accident · Minor injuriesData collectionFinal reportHarvey Patten Rans S-6ES · Buckeye, AZA disconnection of the elevator control linkage due to incorrect installation or maintenance, which was due to the retaining nut backing off the bolt and allowing the bolt to fall out.Jan 28, 2011 · N8053R · Substantial damage NTSB WPR11LA108Accident · No injuriesLimited investigationFinal reportPiper PA-28-201T · Santa Ana, CAThe failure of the left main landing gear due to the lack of lubrication.Jan 21, 2011 · N47589 · Substantial damage NTSB CEN11IA156Incident · No injuriesIncident investigationFinal reportSikorsky 92 · Galliano, LAThe misalignment of the retaining washer during routine maintenance, resulting in the subsequent separation of the washer and nut.Jan 19, 2011 · N920AL · Minor damage NTSB ERA11LA117Accident · No injuriesLimited investigationFinal reportConvair 340-71 · Charlotte AmalieThe captain’s decision to continue the flight with the left engine backfiring, resulting in an engine fire shortly after takeoff. Contributing to the accident were the captain’s decision to continue the flight following a report of black smoke trailing the…Jan 17, 2011 · N8277Q · Substantial damage